fixes and modelgen insert

api/main.py

@@ -39,11 +39,11 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
-# Routes
+# Routes - all under /api prefix
-app.include_router(system_router)
+app.include_router(system_router, prefix="/api")
-app.include_router(assets_router)
+app.include_router(assets_router, prefix="/api")
-app.include_router(presets_router)
+app.include_router(presets_router, prefix="/api")
-app.include_router(jobs_router)
+app.include_router(jobs_router, prefix="/api")
 
 
 @app.get("/")

api/routes/system.py

@@ -15,6 +15,27 @@ def health_check():
     return {"status": "healthy"}
 
 
+@router.get("/status")
+def system_status():
+    """System status for UI."""
+    return {"status": "ok", "version": "0.1.0"}
+
+
+@router.get("/worker")
+def worker_status():
+    """Worker status from gRPC."""
+    try:
+        from mpr.grpc.client import get_client
+
+        client = get_client()
+        status = client.get_worker_status()
+        if status:
+            return status
+        return {"available": False, "error": "No response from worker"}
+    except Exception as e:
+        return {"available": False, "error": str(e)}
+
+
 @router.get("/ffmpeg/codecs")
 def ffmpeg_codecs():
     """Get available FFmpeg encoders and decoders."""

api/schemas/models.py

@@ -0,0 +1,89 @@
+"""
+Pydantic Models - GENERATED FILE
+
+Do not edit directly. Regenerate using modelgen.
+"""
+
+from datetime import datetime
+from enum import Enum
+from typing import Any, Dict, List, Optional
+from uuid import UUID
+
+from pydantic import BaseModel, Field
+
+class AssetStatus(str, Enum):
+    PENDING = "pending"
+    READY = "ready"
+    ERROR = "error"
+
+class JobStatus(str, Enum):
+    PENDING = "pending"
+    PROCESSING = "processing"
+    COMPLETED = "completed"
+    FAILED = "failed"
+    CANCELLED = "cancelled"
+
+class MediaAsset(BaseModel):
+    """A video/audio file registered in the system."""
+    id: UUID
+    filename: str
+    file_path: str
+    status: AssetStatus = "AssetStatus.PENDING"
+    error_message: Optional[str] = None
+    file_size: Optional[int] = None
+    duration: Optional[float] = None
+    video_codec: Optional[str] = None
+    audio_codec: Optional[str] = None
+    width: Optional[int] = None
+    height: Optional[int] = None
+    framerate: Optional[float] = None
+    bitrate: Optional[int] = None
+    properties: Dict[str, Any]
+    comments: str = ""
+    tags: List[str] = Field(default_factory=list)
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
+
+class TranscodePreset(BaseModel):
+    """A reusable transcoding configuration (like Handbrake presets)."""
+    id: UUID
+    name: str
+    description: str = ""
+    is_builtin: bool = False
+    container: str = "mp4"
+    video_codec: str = "libx264"
+    video_bitrate: Optional[str] = None
+    video_crf: Optional[int] = None
+    video_preset: Optional[str] = None
+    resolution: Optional[str] = None
+    framerate: Optional[float] = None
+    audio_codec: str = "aac"
+    audio_bitrate: Optional[str] = None
+    audio_channels: Optional[int] = None
+    audio_samplerate: Optional[int] = None
+    extra_args: List[str] = Field(default_factory=list)
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
+
+class TranscodeJob(BaseModel):
+    """A transcoding or trimming job in the queue."""
+    id: UUID
+    source_asset_id: UUID
+    preset_id: Optional[UUID] = None
+    preset_snapshot: Dict[str, Any]
+    trim_start: Optional[float] = None
+    trim_end: Optional[float] = None
+    output_filename: str = ""
+    output_path: Optional[str] = None
+    output_asset_id: Optional[UUID] = None
+    status: JobStatus = "JobStatus.PENDING"
+    progress: float = 0.0
+    current_frame: Optional[int] = None
+    current_time: Optional[float] = None
+    speed: Optional[str] = None
+    error_message: Optional[str] = None
+    celery_task_id: Optional[str] = None
+    priority: int = 0
+    created_at: Optional[datetime] = None
+    started_at: Optional[datetime] = None
+    completed_at: Optional[datetime] = None

ctrl/docker-compose.yml

@@ -23,7 +23,7 @@ services:
       POSTGRES_USER: mpr_user
       POSTGRES_PASSWORD: mpr_pass
     ports:
-      - "5435:5432"
+      - "5436:5432"
     volumes:
       - postgres-data:/var/lib/postgresql/data
     healthcheck:
@@ -33,7 +33,7 @@ services:
   redis:
     image: redis:7-alpine
     ports:
-      - "6380:6379"
+      - "6381:6379"
     volumes:
       - redis-data:/data
     healthcheck:
@@ -101,7 +101,7 @@ services:
       dockerfile: ctrl/Dockerfile
     command: python -m mpr.grpc.server
     ports:
-      - "50051:50051"
+      - "50052:50051"
     environment:
       <<: *common-env
       GRPC_PORT: 50051

ctrl/generate.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# Model generation script for MPR
+# Generates Django, Pydantic, TypeScript, and Protobuf from schema/models
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+echo "Generating models from schema/models..."
+
+# Django ORM models
+python -m tools.modelgen from-schema \
+    --schema schema/models \
+    --output mpr/media_assets/models.py \
+    --targets django
+
+# Pydantic schemas for FastAPI
+python -m tools.modelgen from-schema \
+    --schema schema/models \
+    --output api/schemas/models.py \
+    --targets pydantic
+
+# TypeScript types for Timeline UI
+python -m tools.modelgen from-schema \
+    --schema schema/models \
+    --output ui/timeline/src/types.ts \
+    --targets typescript
+
+# Protobuf for gRPC
+python -m tools.modelgen from-schema \
+    --schema schema/models \
+    --output mpr/grpc/protos/worker.proto \
+    --targets proto
+
+# Generate gRPC stubs from proto
+echo "Generating gRPC stubs..."
+python -m grpc_tools.protoc \
+    -I mpr/grpc/protos \
+    --python_out=mpr/grpc \
+    --grpc_python_out=mpr/grpc \
+    mpr/grpc/protos/worker.proto
+
+# Fix relative import in generated grpc stub
+sed -i 's/^import worker_pb2/from . import worker_pb2/' mpr/grpc/worker_pb2_grpc.py
+
+echo "Done!"

ctrl/nginx.conf

@@ -41,7 +41,7 @@ http {
         }
 
         # FastAPI
-        location /api {
+        location /api/ {
             proxy_pass http://fastapi;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;

mpr/grpc/protos/worker.proto

@@ -1,7 +1,6 @@
-// MPR Worker Service - GENERATED FILE
+// Protocol Buffer Definitions - GENERATED FILE
 //
-// Do not edit directly. Modify schema/models/grpc.py and run:
+// Do not edit directly. Regenerate using modelgen.
-//     python schema/generate.py --proto
 
 syntax = "proto3";
 

mpr/grpc/worker_pb2_grpc.py

@@ -1,32 +1,27 @@
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
 """Client and server classes corresponding to protobuf-defined services."""
-
-import warnings
-
 import grpc
+import warnings
 
 from . import worker_pb2 as worker__pb2
 
-GRPC_GENERATED_VERSION = "1.76.0"
+GRPC_GENERATED_VERSION = '1.76.0'
 GRPC_VERSION = grpc.__version__
 _version_not_supported = False
 
 try:
     from grpc._utilities import first_version_is_lower
-
+    _version_not_supported = first_version_is_lower(GRPC_VERSION, GRPC_GENERATED_VERSION)
-    _version_not_supported = first_version_is_lower(
-        GRPC_VERSION, GRPC_GENERATED_VERSION
-    )
 except ImportError:
     _version_not_supported = True
 
 if _version_not_supported:
     raise RuntimeError(
-        f"The grpc package installed is at version {GRPC_VERSION},"
+        f'The grpc package installed is at version {GRPC_VERSION},'
-        + " but the generated code in worker_pb2_grpc.py depends on"
+        + ' but the generated code in worker_pb2_grpc.py depends on'
-        + f" grpcio>={GRPC_GENERATED_VERSION}."
+        + f' grpcio>={GRPC_GENERATED_VERSION}.'
-        + f" Please upgrade your grpc module to grpcio>={GRPC_GENERATED_VERSION}"
+        + f' Please upgrade your grpc module to grpcio>={GRPC_GENERATED_VERSION}'
-        + f" or downgrade your generated code using grpcio-tools<={GRPC_VERSION}."
+        + f' or downgrade your generated code using grpcio-tools<={GRPC_VERSION}.'
     )
 
 
@@ -40,29 +35,25 @@ class WorkerServiceStub(object):
             channel: A grpc.Channel.
         """
         self.SubmitJob = channel.unary_unary(
-            "/mpr.worker.WorkerService/SubmitJob",
+                '/mpr.worker.WorkerService/SubmitJob',
-            request_serializer=worker__pb2.JobRequest.SerializeToString,
+                request_serializer=worker__pb2.JobRequest.SerializeToString,
-            response_deserializer=worker__pb2.JobResponse.FromString,
+                response_deserializer=worker__pb2.JobResponse.FromString,
-            _registered_method=True,
+                _registered_method=True)
-        )
         self.StreamProgress = channel.unary_stream(
-            "/mpr.worker.WorkerService/StreamProgress",
+                '/mpr.worker.WorkerService/StreamProgress',
-            request_serializer=worker__pb2.ProgressRequest.SerializeToString,
+                request_serializer=worker__pb2.ProgressRequest.SerializeToString,
-            response_deserializer=worker__pb2.ProgressUpdate.FromString,
+                response_deserializer=worker__pb2.ProgressUpdate.FromString,
-            _registered_method=True,
+                _registered_method=True)
-        )
         self.CancelJob = channel.unary_unary(
-            "/mpr.worker.WorkerService/CancelJob",
+                '/mpr.worker.WorkerService/CancelJob',
-            request_serializer=worker__pb2.CancelRequest.SerializeToString,
+                request_serializer=worker__pb2.CancelRequest.SerializeToString,
-            response_deserializer=worker__pb2.CancelResponse.FromString,
+                response_deserializer=worker__pb2.CancelResponse.FromString,
-            _registered_method=True,
+                _registered_method=True)
-        )
         self.GetWorkerStatus = channel.unary_unary(
-            "/mpr.worker.WorkerService/GetWorkerStatus",
+                '/mpr.worker.WorkerService/GetWorkerStatus',
-            request_serializer=worker__pb2.Empty.SerializeToString,
+                request_serializer=worker__pb2.Empty.SerializeToString,
-            response_deserializer=worker__pb2.WorkerStatus.FromString,
+                response_deserializer=worker__pb2.WorkerStatus.FromString,
-            _registered_method=True,
+                _registered_method=True)
-        )
 
 
 class WorkerServiceServicer(object):
@@ -71,81 +62,76 @@ class WorkerServiceServicer(object):
     def SubmitJob(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details("Method not implemented!")
+        context.set_details('Method not implemented!')
-        raise NotImplementedError("Method not implemented!")
+        raise NotImplementedError('Method not implemented!')
 
     def StreamProgress(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details("Method not implemented!")
+        context.set_details('Method not implemented!')
-        raise NotImplementedError("Method not implemented!")
+        raise NotImplementedError('Method not implemented!')
 
     def CancelJob(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details("Method not implemented!")
+        context.set_details('Method not implemented!')
-        raise NotImplementedError("Method not implemented!")
+        raise NotImplementedError('Method not implemented!')
 
     def GetWorkerStatus(self, request, context):
         """Missing associated documentation comment in .proto file."""
         context.set_code(grpc.StatusCode.UNIMPLEMENTED)
-        context.set_details("Method not implemented!")
+        context.set_details('Method not implemented!')
-        raise NotImplementedError("Method not implemented!")
+        raise NotImplementedError('Method not implemented!')
 
 
 def add_WorkerServiceServicer_to_server(servicer, server):
     rpc_method_handlers = {
-        "SubmitJob": grpc.unary_unary_rpc_method_handler(
+            'SubmitJob': grpc.unary_unary_rpc_method_handler(
-            servicer.SubmitJob,
+                    servicer.SubmitJob,
-            request_deserializer=worker__pb2.JobRequest.FromString,
+                    request_deserializer=worker__pb2.JobRequest.FromString,
-            response_serializer=worker__pb2.JobResponse.SerializeToString,
+                    response_serializer=worker__pb2.JobResponse.SerializeToString,
-        ),
+            ),
-        "StreamProgress": grpc.unary_stream_rpc_method_handler(
+            'StreamProgress': grpc.unary_stream_rpc_method_handler(
-            servicer.StreamProgress,
+                    servicer.StreamProgress,
-            request_deserializer=worker__pb2.ProgressRequest.FromString,
+                    request_deserializer=worker__pb2.ProgressRequest.FromString,
-            response_serializer=worker__pb2.ProgressUpdate.SerializeToString,
+                    response_serializer=worker__pb2.ProgressUpdate.SerializeToString,
-        ),
+            ),
-        "CancelJob": grpc.unary_unary_rpc_method_handler(
+            'CancelJob': grpc.unary_unary_rpc_method_handler(
-            servicer.CancelJob,
+                    servicer.CancelJob,
-            request_deserializer=worker__pb2.CancelRequest.FromString,
+                    request_deserializer=worker__pb2.CancelRequest.FromString,
-            response_serializer=worker__pb2.CancelResponse.SerializeToString,
+                    response_serializer=worker__pb2.CancelResponse.SerializeToString,
-        ),
+            ),
-        "GetWorkerStatus": grpc.unary_unary_rpc_method_handler(
+            'GetWorkerStatus': grpc.unary_unary_rpc_method_handler(
-            servicer.GetWorkerStatus,
+                    servicer.GetWorkerStatus,
-            request_deserializer=worker__pb2.Empty.FromString,
+                    request_deserializer=worker__pb2.Empty.FromString,
-            response_serializer=worker__pb2.WorkerStatus.SerializeToString,
+                    response_serializer=worker__pb2.WorkerStatus.SerializeToString,
-        ),
+            ),
     }
     generic_handler = grpc.method_handlers_generic_handler(
-        "mpr.worker.WorkerService", rpc_method_handlers
+            'mpr.worker.WorkerService', rpc_method_handlers)
-    )
     server.add_generic_rpc_handlers((generic_handler,))
-    server.add_registered_method_handlers(
+    server.add_registered_method_handlers('mpr.worker.WorkerService', rpc_method_handlers)
-        "mpr.worker.WorkerService", rpc_method_handlers
-    )
 
 
-# This class is part of an EXPERIMENTAL API.
+ # This class is part of an EXPERIMENTAL API.
 class WorkerService(object):
     """Missing associated documentation comment in .proto file."""
 
     @staticmethod
-    def SubmitJob(
+    def SubmitJob(request,
-        request,
+            target,
-        target,
+            options=(),
-        options=(),
+            channel_credentials=None,
-        channel_credentials=None,
+            call_credentials=None,
-        call_credentials=None,
+            insecure=False,
-        insecure=False,
+            compression=None,
-        compression=None,
+            wait_for_ready=None,
-        wait_for_ready=None,
+            timeout=None,
-        timeout=None,
+            metadata=None):
-        metadata=None,
-    ):
         return grpc.experimental.unary_unary(
             request,
             target,
-            "/mpr.worker.WorkerService/SubmitJob",
+            '/mpr.worker.WorkerService/SubmitJob',
             worker__pb2.JobRequest.SerializeToString,
             worker__pb2.JobResponse.FromString,
             options,
@@ -156,26 +142,23 @@ class WorkerService(object):
             wait_for_ready,
             timeout,
             metadata,
-            _registered_method=True,
+            _registered_method=True)
-        )
 
     @staticmethod
-    def StreamProgress(
+    def StreamProgress(request,
-        request,
+            target,
-        target,
+            options=(),
-        options=(),
+            channel_credentials=None,
-        channel_credentials=None,
+            call_credentials=None,
-        call_credentials=None,
+            insecure=False,
-        insecure=False,
+            compression=None,
-        compression=None,
+            wait_for_ready=None,
-        wait_for_ready=None,
+            timeout=None,
-        timeout=None,
+            metadata=None):
-        metadata=None,
-    ):
         return grpc.experimental.unary_stream(
             request,
             target,
-            "/mpr.worker.WorkerService/StreamProgress",
+            '/mpr.worker.WorkerService/StreamProgress',
             worker__pb2.ProgressRequest.SerializeToString,
             worker__pb2.ProgressUpdate.FromString,
             options,
@@ -186,26 +169,23 @@ class WorkerService(object):
             wait_for_ready,
             timeout,
             metadata,
-            _registered_method=True,
+            _registered_method=True)
-        )
 
     @staticmethod
-    def CancelJob(
+    def CancelJob(request,
-        request,
+            target,
-        target,
+            options=(),
-        options=(),
+            channel_credentials=None,
-        channel_credentials=None,
+            call_credentials=None,
-        call_credentials=None,
+            insecure=False,
-        insecure=False,
+            compression=None,
-        compression=None,
+            wait_for_ready=None,
-        wait_for_ready=None,
+            timeout=None,
-        timeout=None,
+            metadata=None):
-        metadata=None,
-    ):
         return grpc.experimental.unary_unary(
             request,
             target,
-            "/mpr.worker.WorkerService/CancelJob",
+            '/mpr.worker.WorkerService/CancelJob',
             worker__pb2.CancelRequest.SerializeToString,
             worker__pb2.CancelResponse.FromString,
             options,
@@ -216,26 +196,23 @@ class WorkerService(object):
             wait_for_ready,
             timeout,
             metadata,
-            _registered_method=True,
+            _registered_method=True)
-        )
 
     @staticmethod
-    def GetWorkerStatus(
+    def GetWorkerStatus(request,
-        request,
+            target,
-        target,
+            options=(),
-        options=(),
+            channel_credentials=None,
-        channel_credentials=None,
+            call_credentials=None,
-        call_credentials=None,
+            insecure=False,
-        insecure=False,
+            compression=None,
-        compression=None,
+            wait_for_ready=None,
-        wait_for_ready=None,
+            timeout=None,
-        timeout=None,
+            metadata=None):
-        metadata=None,
-    ):
         return grpc.experimental.unary_unary(
             request,
             target,
-            "/mpr.worker.WorkerService/GetWorkerStatus",
+            '/mpr.worker.WorkerService/GetWorkerStatus',
             worker__pb2.Empty.SerializeToString,
             worker__pb2.WorkerStatus.FromString,
             options,
@@ -246,5 +223,4 @@ class WorkerService(object):
             wait_for_ready,
             timeout,
             metadata,
-            _registered_method=True,
+            _registered_method=True)
-        )

mpr/media_assets/models.py

@@ -1,21 +1,27 @@
 """
 Django ORM Models - GENERATED FILE
 
-Do not edit directly. Modify schema/models/*.py and run:
+Do not edit directly. Regenerate using modelgen.
-    python schema/generate.py --django
 """
 
 import uuid
 from django.db import models
 
+class AssetStatus(models.TextChoices):
+    PENDING = "pending", "Pending"
+    READY = "ready", "Ready"
+    ERROR = "error", "Error"
+
+class JobStatus(models.TextChoices):
+    PENDING = "pending", "Pending"
+    PROCESSING = "processing", "Processing"
+    COMPLETED = "completed", "Completed"
+    FAILED = "failed", "Failed"
+    CANCELLED = "cancelled", "Cancelled"
+
 class MediaAsset(models.Model):
     """A video/audio file registered in the system."""
 
-    class Status(models.TextChoices):
-        PENDING = "pending", "Pending"
-        READY = "ready", "Ready"
-        ERROR = "error", "Error"
-
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     filename = models.CharField(max_length=500)
     file_path = models.CharField(max_length=1000)
@@ -74,13 +80,6 @@ class TranscodePreset(models.Model):
 class TranscodeJob(models.Model):
     """A transcoding or trimming job in the queue."""
 
-    class Status(models.TextChoices):
-        PENDING = "pending", "Pending"
-        PROCESSING = "processing", "Processing"
-        COMPLETED = "completed", "Completed"
-        FAILED = "failed", "Failed"
-        CANCELLED = "cancelled", "Cancelled"
-
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     source_asset_id = models.UUIDField()
     preset_id = models.UUIDField(null=True, blank=True)

tools/__init__.py

@@ -0,0 +1,41 @@
+"""
+Modelgen - Generic Model Generation Tool
+
+Generates typed models from various sources to various output formats.
+
+Input sources:
+- Configuration files (soleprint config.json style)
+- Python dataclasses in schema/ folder
+- Existing codebases: Django, SQLAlchemy, Prisma (for extraction)
+
+Output formats:
+- pydantic: Pydantic BaseModel classes
+- django: Django ORM models
+- typescript: TypeScript interfaces
+- protobuf: Protocol Buffer definitions
+- prisma: Prisma schema
+
+Usage:
+    python -m soleprint.station.tools.modelgen from-config -c config.json -o models.py
+    python -m soleprint.station.tools.modelgen from-schema -o models/ --targets pydantic,typescript
+    python -m soleprint.station.tools.modelgen extract --source /path/to/django --targets pydantic
+    python -m soleprint.station.tools.modelgen list-formats
+"""
+
+__version__ = "0.2.0"
+
+from .generator import GENERATORS, BaseGenerator
+from .loader import ConfigLoader, load_config
+from .model_generator import ModelGenerator
+
+# Backwards compatibility
+WRITERS = GENERATORS
+
+__all__ = [
+    "ModelGenerator",
+    "ConfigLoader",
+    "load_config",
+    "GENERATORS",
+    "WRITERS",
+    "BaseGenerator",
+]

tools/__main__.py

@@ -0,0 +1,290 @@
+"""
+Modelgen - Generic Model Generation Tool
+
+Generates typed models from various sources to various formats.
+
+Input sources:
+- from-config: Configuration files (soleprint config.json style)
+- from-schema: Python dataclasses in schema/ folder
+- extract: Existing codebases (Django, SQLAlchemy, Prisma)
+
+Output formats:
+- pydantic: Pydantic BaseModel classes
+- django: Django ORM models
+- typescript: TypeScript interfaces
+- protobuf: Protocol Buffer definitions
+- prisma: Prisma schema
+
+Usage:
+    python -m soleprint.station.tools.modelgen --help
+    python -m soleprint.station.tools.modelgen from-config -c config.json -o models.py
+    python -m soleprint.station.tools.modelgen from-schema -o models/ --targets pydantic,typescript
+    python -m soleprint.station.tools.modelgen extract --source /path/to/django --targets pydantic
+"""
+
+import argparse
+import sys
+from pathlib import Path
+
+from .generator import GENERATORS
+
+
+def cmd_from_config(args):
+    """Generate models from a configuration file (soleprint config.json style)."""
+    from .loader import load_config
+    from .model_generator import ModelGenerator
+
+    config_path = Path(args.config)
+    if not config_path.exists():
+        print(f"Error: Config file not found: {config_path}", file=sys.stderr)
+        sys.exit(1)
+
+    output_path = Path(args.output)
+
+    print(f"Loading config: {config_path}")
+    config = load_config(config_path)
+
+    print(f"Generating {args.format} models to: {output_path}")
+    generator = ModelGenerator(
+        config=config,
+        output_path=output_path,
+        output_format=args.format,
+    )
+    result_path = generator.generate()
+
+    print(f"Models generated: {result_path}")
+
+
+def cmd_from_schema(args):
+    """Generate models from Python dataclasses in schema/ folder."""
+    from .loader import load_schema
+    from .writer import write_file
+
+    # Determine schema path
+    schema_path = Path(args.schema) if args.schema else Path.cwd() / "schema"
+
+    if not schema_path.exists():
+        print(f"Error: Schema folder not found: {schema_path}", file=sys.stderr)
+        print(
+            "Create a schema/ folder with Python dataclasses and an __init__.py",
+            file=sys.stderr,
+        )
+        print("that exports DATACLASSES and ENUMS lists.", file=sys.stderr)
+        sys.exit(1)
+
+    print(f"Loading schema: {schema_path}")
+    schema = load_schema(schema_path)
+
+    print(f"Found {len(schema.models)} models, {len(schema.enums)} enums")
+
+    # Parse targets
+    targets = [t.strip() for t in args.targets.split(",")]
+    output_dir = Path(args.output)
+
+    for target in targets:
+        if target not in GENERATORS:
+            print(f"Warning: Unknown target '{target}', skipping", file=sys.stderr)
+            continue
+
+        generator = GENERATORS[target]()
+        ext = generator.file_extension()
+
+        # Determine output filename (use target name to avoid overwrites)
+        if len(targets) == 1 and args.output.endswith(ext):
+            output_file = output_dir
+        else:
+            output_file = output_dir / f"models_{target}{ext}"
+
+        print(f"Generating {target} to: {output_file}")
+        generator.generate(schema, output_file)
+
+    print("Done!")
+
+
+def cmd_extract(args):
+    """Extract models from existing codebase."""
+    from .loader.extract import EXTRACTORS
+
+    source_path = Path(args.source)
+    if not source_path.exists():
+        print(f"Error: Source path not found: {source_path}", file=sys.stderr)
+        sys.exit(1)
+
+    # Auto-detect or use specified framework
+    framework = args.framework
+    extractor = None
+
+    if framework == "auto":
+        for name, extractor_cls in EXTRACTORS.items():
+            ext = extractor_cls(source_path)
+            if ext.detect():
+                framework = name
+                extractor = ext
+                print(f"Detected framework: {framework}")
+                break
+
+        if not extractor:
+            print("Error: Could not auto-detect framework", file=sys.stderr)
+            print(f"Available frameworks: {list(EXTRACTORS.keys())}", file=sys.stderr)
+            sys.exit(1)
+    else:
+        if framework not in EXTRACTORS:
+            print(f"Error: Unknown framework: {framework}", file=sys.stderr)
+            print(f"Available: {list(EXTRACTORS.keys())}", file=sys.stderr)
+            sys.exit(1)
+        extractor = EXTRACTORS[framework](source_path)
+
+    print(f"Extracting from: {source_path}")
+    models, enums = extractor.extract()
+
+    print(f"Extracted {len(models)} models, {len(enums)} enums")
+
+    # Parse targets
+    targets = [t.strip() for t in args.targets.split(",")]
+    output_dir = Path(args.output)
+
+    for target in targets:
+        if target not in GENERATORS:
+            print(f"Warning: Unknown target '{target}', skipping", file=sys.stderr)
+            continue
+
+        generator = GENERATORS[target]()
+        ext = generator.file_extension()
+
+        # Determine output filename (use target name to avoid overwrites)
+        if len(targets) == 1 and args.output.endswith(ext):
+            output_file = output_dir
+        else:
+            output_file = output_dir / f"models_{target}{ext}"
+
+        print(f"Generating {target} to: {output_file}")
+        generator.generate((models, enums), output_file)
+
+    print("Done!")
+
+
+def cmd_list_formats(args):
+    """List available output formats."""
+    print("Available output formats:")
+    for fmt in GENERATORS.keys():
+        print(f"  - {fmt}")
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Modelgen - Generic Model Generation Tool",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+    )
+
+    subparsers = parser.add_subparsers(dest="command", required=True)
+
+    # Available formats for help text
+    formats = list(GENERATORS.keys())
+    formats_str = ", ".join(formats)
+
+    # from-config command
+    config_parser = subparsers.add_parser(
+        "from-config",
+        help="Generate models from soleprint configuration file",
+    )
+    config_parser.add_argument(
+        "--config",
+        "-c",
+        type=str,
+        required=True,
+        help="Path to configuration file (e.g., config.json)",
+    )
+    config_parser.add_argument(
+        "--output",
+        "-o",
+        type=str,
+        required=True,
+        help="Output path (file or directory)",
+    )
+    config_parser.add_argument(
+        "--format",
+        "-f",
+        type=str,
+        default="pydantic",
+        choices=["pydantic"],  # Only pydantic for config mode
+        help="Output format (default: pydantic)",
+    )
+    config_parser.set_defaults(func=cmd_from_config)
+
+    # from-schema command
+    schema_parser = subparsers.add_parser(
+        "from-schema",
+        help="Generate models from Python dataclasses in schema/ folder",
+    )
+    schema_parser.add_argument(
+        "--schema",
+        "-s",
+        type=str,
+        default=None,
+        help="Path to schema folder (default: ./schema)",
+    )
+    schema_parser.add_argument(
+        "--output",
+        "-o",
+        type=str,
+        required=True,
+        help="Output path (file or directory)",
+    )
+    schema_parser.add_argument(
+        "--targets",
+        "-t",
+        type=str,
+        default="pydantic",
+        help=f"Comma-separated output targets ({formats_str})",
+    )
+    schema_parser.set_defaults(func=cmd_from_schema)
+
+    # extract command
+    extract_parser = subparsers.add_parser(
+        "extract",
+        help="Extract models from existing codebase",
+    )
+    extract_parser.add_argument(
+        "--source",
+        "-s",
+        type=str,
+        required=True,
+        help="Path to source codebase",
+    )
+    extract_parser.add_argument(
+        "--framework",
+        "-f",
+        type=str,
+        choices=["django", "sqlalchemy", "prisma", "auto"],
+        default="auto",
+        help="Source framework (default: auto-detect)",
+    )
+    extract_parser.add_argument(
+        "--output",
+        "-o",
+        type=str,
+        required=True,
+        help="Output path (file or directory)",
+    )
+    extract_parser.add_argument(
+        "--targets",
+        "-t",
+        type=str,
+        default="pydantic",
+        help=f"Comma-separated output targets ({formats_str})",
+    )
+    extract_parser.set_defaults(func=cmd_extract)
+
+    # list-formats command
+    formats_parser = subparsers.add_parser(
+        "list-formats",
+        help="List available output formats",
+    )
+    formats_parser.set_defaults(func=cmd_list_formats)
+
+    args = parser.parse_args()
+    args.func(args)
+
+
+if __name__ == "__main__":
+    main()

tools/generator/__init__.py

@@ -0,0 +1,40 @@
+"""
+Generator - Stack-specific code generators for modelgen.
+
+Supported generators:
+- PydanticGenerator: Pydantic BaseModel classes
+- DjangoGenerator: Django ORM models
+- TypeScriptGenerator: TypeScript interfaces
+- ProtobufGenerator: Protocol Buffer definitions
+- PrismaGenerator: Prisma schema
+"""
+
+from typing import Dict, Type
+
+from .base import BaseGenerator
+from .django import DjangoGenerator
+from .prisma import PrismaGenerator
+from .protobuf import ProtobufGenerator
+from .pydantic import PydanticGenerator
+from .typescript import TypeScriptGenerator
+
+# Registry of available generators
+GENERATORS: Dict[str, Type[BaseGenerator]] = {
+    "pydantic": PydanticGenerator,
+    "django": DjangoGenerator,
+    "typescript": TypeScriptGenerator,
+    "ts": TypeScriptGenerator,  # Alias
+    "protobuf": ProtobufGenerator,
+    "proto": ProtobufGenerator,  # Alias
+    "prisma": PrismaGenerator,
+}
+
+__all__ = [
+    "BaseGenerator",
+    "PydanticGenerator",
+    "DjangoGenerator",
+    "TypeScriptGenerator",
+    "ProtobufGenerator",
+    "PrismaGenerator",
+    "GENERATORS",
+]

tools/generator/base.py

@@ -0,0 +1,23 @@
+"""
+Base Generator
+
+Abstract base class for all code generators.
+"""
+
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import Any
+
+
+class BaseGenerator(ABC):
+    """Abstract base for code generators."""
+
+    @abstractmethod
+    def generate(self, models: Any, output_path: Path) -> None:
+        """Generate code for the given models to the specified path."""
+        pass
+
+    @abstractmethod
+    def file_extension(self) -> str:
+        """Return the file extension for this format."""
+        pass

tools/generator/django.py

@@ -0,0 +1,268 @@
+"""
+Django Generator
+
+Generates Django ORM models from model definitions.
+"""
+
+import dataclasses as dc
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import format_opts, get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, ModelDefinition
+from ..types import DJANGO_SPECIAL, DJANGO_TYPES
+from .base import BaseGenerator
+
+
+class DjangoGenerator(BaseGenerator):
+    """Generates Django ORM model files."""
+
+    def file_extension(self) -> str:
+        return ".py"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate Django models to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "models"):
+            # SchemaLoader or similar
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header()
+
+        # Generate enums as TextChoices
+        for enum_def in enums:
+            lines.extend(self._generate_text_choices(enum_def))
+            lines.append("")
+
+        # Generate models
+        for model_def in models:
+            lines.extend(self._generate_model_from_definition(model_def))
+            lines.extend(["", ""])
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        for cls in dataclasses:
+            lines.extend(self._generate_model_from_dataclass(cls))
+            lines.extend(["", ""])
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header."""
+        return [
+            '"""',
+            "Django ORM Models - GENERATED FILE",
+            "",
+            "Do not edit directly. Regenerate using modelgen.",
+            '"""',
+            "",
+            "import uuid",
+            "from django.db import models",
+            "",
+        ]
+
+    def _generate_text_choices(self, enum_def: EnumDefinition) -> List[str]:
+        """Generate Django TextChoices from EnumDefinition."""
+        lines = [
+            f"class {enum_def.name}(models.TextChoices):",
+        ]
+        for name, value in enum_def.values:
+            label = name.replace("_", " ").title()
+            lines.append(f'    {name} = "{value}", "{label}"')
+        return lines
+
+    def _generate_model_from_definition(self, model_def: ModelDefinition) -> List[str]:
+        """Generate Django model from ModelDefinition."""
+        docstring = model_def.docstring or model_def.name
+        lines = [
+            f"class {model_def.name}(models.Model):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+            "",
+        ]
+
+        for field in model_def.fields:
+            django_field = self._resolve_field_type(
+                field.name, field.type_hint, field.default, field.optional
+            )
+            lines.append(f"    {field.name} = {django_field}")
+
+        # Add Meta and __str__
+        lines.extend(
+            [
+                "",
+                "    class Meta:",
+                '        ordering = ["-created_at"]'
+                if any(f.name == "created_at" for f in model_def.fields)
+                else "        pass",
+                "",
+                "    def __str__(self):",
+            ]
+        )
+
+        # Determine __str__ return
+        field_names = [f.name for f in model_def.fields]
+        if "filename" in field_names:
+            lines.append("        return self.filename")
+        elif "name" in field_names:
+            lines.append("        return self.name")
+        else:
+            lines.append("        return str(self.id)")
+
+        return lines
+
+    def _generate_model_from_dataclass(self, cls: type) -> List[str]:
+        """Generate Django model from a dataclass (MPR style)."""
+        docstring = cls.__doc__ or cls.__name__
+        lines = [
+            f"class {cls.__name__}(models.Model):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+            "",
+        ]
+
+        hints = get_type_hints(cls)
+        fields = {f.name: f for f in dc.fields(cls)}
+
+        # Check for enums and add Status inner class if needed
+        for type_hint in hints.values():
+            base, _ = unwrap_optional(type_hint)
+            if isinstance(base, type) and issubclass(base, Enum):
+                lines.append("    class Status(models.TextChoices):")
+                for member in base:
+                    label = member.name.replace("_", " ").title()
+                    lines.append(f'        {member.name} = "{member.value}", "{label}"')
+                lines.append("")
+                break
+
+        # Generate fields
+        for name, type_hint in hints.items():
+            if name.startswith("_"):
+                continue
+            field = fields.get(name)
+            default = dc.MISSING
+            if field and field.default is not dc.MISSING:
+                default = field.default
+            django_field = self._resolve_field_type(name, type_hint, default, False)
+            lines.append(f"    {name} = {django_field}")
+
+        # Add Meta and __str__
+        lines.extend(
+            [
+                "",
+                "    class Meta:",
+                '        ordering = ["-created_at"]'
+                if "created_at" in hints
+                else "        pass",
+                "",
+                "    def __str__(self):",
+            ]
+        )
+
+        if "filename" in hints:
+            lines.append("        return self.filename")
+        elif "name" in hints:
+            lines.append("        return self.name")
+        else:
+            lines.append("        return str(self.id)")
+
+        return lines
+
+    def _resolve_field_type(
+        self, name: str, type_hint: Any, default: Any, optional: bool
+    ) -> str:
+        """Resolve Python type to Django field."""
+        # Special fields
+        if name in DJANGO_SPECIAL:
+            return DJANGO_SPECIAL[name]
+
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+        opts = format_opts(optional)
+
+        # Container types
+        if origin == "dict":
+            return DJANGO_TYPES["dict"]
+        if origin == "list":
+            return DJANGO_TYPES["list"]
+
+        # UUID / datetime
+        if type_name == "UUID":
+            return DJANGO_TYPES["UUID"].format(opts=opts)
+        if type_name == "datetime":
+            return DJANGO_TYPES["datetime"].format(opts=opts)
+
+        # Enum
+        if isinstance(base, type) and issubclass(base, Enum):
+            extra = []
+            if optional:
+                extra.append("null=True, blank=True")
+            if default is not dc.MISSING and isinstance(default, Enum):
+                extra.append(f"default=Status.{default.name}")
+            return DJANGO_TYPES["enum"].format(
+                opts=", " + ", ".join(extra) if extra else ""
+            )
+
+        # Text fields (based on name heuristics)
+        if base is str and any(
+            x in name for x in ("message", "comments", "description")
+        ):
+            return DJANGO_TYPES["text"]
+
+        # BigInt fields
+        if base is int and name in ("file_size", "bitrate"):
+            return DJANGO_TYPES["bigint"].format(opts=opts)
+
+        # String with max_length
+        if base is str:
+            max_length = 1000 if "path" in name else 500 if "filename" in name else 255
+            return DJANGO_TYPES[str].format(
+                max_length=max_length, opts=", " + opts if opts else ""
+            )
+
+        # Integer
+        if base is int:
+            extra = [opts] if opts else []
+            if default is not dc.MISSING and not callable(default):
+                extra.append(f"default={default}")
+            return DJANGO_TYPES[int].format(opts=", ".join(extra))
+
+        # Float
+        if base is float:
+            extra = [opts] if opts else []
+            if default is not dc.MISSING and not callable(default):
+                extra.append(f"default={default}")
+            return DJANGO_TYPES[float].format(opts=", ".join(extra))
+
+        # Boolean
+        if base is bool:
+            default_val = default if default is not dc.MISSING else False
+            return DJANGO_TYPES[bool].format(default=default_val)
+
+        # Fallback to CharField
+        return DJANGO_TYPES[str].format(
+            max_length=255, opts=", " + opts if opts else ""
+        )

tools/generator/prisma.py

@@ -0,0 +1,173 @@
+"""
+Prisma Generator
+
+Generates Prisma schema from model definitions.
+"""
+
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, ModelDefinition
+from ..types import PRISMA_SPECIAL, PRISMA_TYPES
+from .base import BaseGenerator
+
+
+class PrismaGenerator(BaseGenerator):
+    """Generates Prisma schema files."""
+
+    def file_extension(self) -> str:
+        return ".prisma"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate Prisma schema to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "models"):
+            # SchemaLoader
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header()
+
+        # Generate enums
+        for enum_def in enums:
+            lines.extend(self._generate_enum(enum_def))
+            lines.append("")
+
+        # Generate models
+        for model_def in models:
+            lines.extend(self._generate_model_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        # Collect and generate enums first
+        enums_generated = set()
+        for cls in dataclasses:
+            hints = get_type_hints(cls)
+            for type_hint in hints.values():
+                base, _ = unwrap_optional(type_hint)
+                if isinstance(base, type) and issubclass(base, Enum):
+                    if base.__name__ not in enums_generated:
+                        lines.extend(self._generate_enum_from_python(base))
+                        lines.append("")
+                        enums_generated.add(base.__name__)
+
+        # Generate models
+        for cls in dataclasses:
+            lines.extend(self._generate_model_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header with datasource and generator."""
+        return [
+            "// Prisma Schema - GENERATED FILE",
+            "//",
+            "// Do not edit directly. Regenerate using modelgen.",
+            "",
+            "generator client {",
+            '  provider = "prisma-client-py"',
+            "}",
+            "",
+            "datasource db {",
+            '  provider = "postgresql"',
+            '  url      = env("DATABASE_URL")',
+            "}",
+            "",
+        ]
+
+    def _generate_enum(self, enum_def: EnumDefinition) -> List[str]:
+        """Generate Prisma enum from EnumDefinition."""
+        lines = [f"enum {enum_def.name} {{"]
+        for name, _ in enum_def.values:
+            lines.append(f"  {name}")
+        lines.append("}")
+        return lines
+
+    def _generate_enum_from_python(self, enum_cls: type) -> List[str]:
+        """Generate Prisma enum from Python Enum."""
+        lines = [f"enum {enum_cls.__name__} {{"]
+        for member in enum_cls:
+            lines.append(f"  {member.name}")
+        lines.append("}")
+        return lines
+
+    def _generate_model_from_definition(self, model_def: ModelDefinition) -> List[str]:
+        """Generate Prisma model from ModelDefinition."""
+        lines = [f"model {model_def.name} {{"]
+
+        for field in model_def.fields:
+            prisma_type = self._resolve_type(
+                field.name, field.type_hint, field.optional
+            )
+            lines.append(f"  {field.name} {prisma_type}")
+
+        lines.append("}")
+        return lines
+
+    def _generate_model_from_dataclass(self, cls: type) -> List[str]:
+        """Generate Prisma model from a dataclass."""
+        lines = [f"model {cls.__name__} {{"]
+
+        for name, type_hint in get_type_hints(cls).items():
+            if name.startswith("_"):
+                continue
+            prisma_type = self._resolve_type(name, type_hint, False)
+            lines.append(f"  {name} {prisma_type}")
+
+        lines.append("}")
+        return lines
+
+    def _resolve_type(self, name: str, type_hint: Any, optional: bool) -> str:
+        """Resolve Python type to Prisma type string."""
+        # Special fields
+        if name in PRISMA_SPECIAL:
+            return PRISMA_SPECIAL[name]
+
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+
+        # Container types
+        if origin == "dict" or origin == "list":
+            result = PRISMA_TYPES.get(origin, "Json")
+            return f"{result}?" if optional else result
+
+        # UUID / datetime
+        if type_name in ("UUID", "datetime"):
+            result = PRISMA_TYPES.get(type_name, "String")
+            return f"{result}?" if optional else result
+
+        # Enum
+        if isinstance(base, type) and issubclass(base, Enum):
+            result = base.__name__
+            return f"{result}?" if optional else result
+
+        # Basic types
+        result = PRISMA_TYPES.get(base, "String")
+        return f"{result}?" if optional else result

tools/generator/protobuf.py

@@ -0,0 +1,168 @@
+"""
+Protobuf Generator
+
+Generates Protocol Buffer definitions from model definitions.
+"""
+
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, unwrap_optional
+from ..loader.schema import GrpcServiceDefinition, ModelDefinition
+from ..types import PROTO_RESOLVERS
+from .base import BaseGenerator
+
+
+class ProtobufGenerator(BaseGenerator):
+    """Generates Protocol Buffer definition files."""
+
+    def file_extension(self) -> str:
+        return ".proto"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate protobuf definitions to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "grpc_messages"):
+            # SchemaLoader with gRPC definitions
+            content = self._generate_from_loader(models)
+        elif isinstance(models, tuple) and len(models) >= 3:
+            # (messages, service_def) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_loader(self, loader) -> str:
+        """Generate from SchemaLoader."""
+        messages = loader.grpc_messages
+        service = loader.grpc_service
+
+        lines = self._generate_header(
+            service.package if service else "service",
+            service.name if service else "Service",
+            service.methods if service else [],
+        )
+
+        for model_def in messages:
+            lines.extend(self._generate_message_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_definitions(
+        self, messages: List[ModelDefinition], service: GrpcServiceDefinition
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header(service.package, service.name, service.methods)
+
+        for model_def in messages:
+            lines.extend(self._generate_message_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header("service", "Service", [])
+
+        for cls in dataclasses:
+            lines.extend(self._generate_message_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(
+        self, package: str, service_name: str, methods: List[dict]
+    ) -> List[str]:
+        """Generate file header with service definition."""
+        lines = [
+            "// Protocol Buffer Definitions - GENERATED FILE",
+            "//",
+            "// Do not edit directly. Regenerate using modelgen.",
+            "",
+            'syntax = "proto3";',
+            "",
+            f"package {package};",
+            "",
+        ]
+
+        if methods:
+            lines.append(f"service {service_name} {{")
+            for m in methods:
+                req = (
+                    m["request"].__name__
+                    if hasattr(m["request"], "__name__")
+                    else str(m["request"])
+                )
+                resp = (
+                    m["response"].__name__
+                    if hasattr(m["response"], "__name__")
+                    else str(m["response"])
+                )
+                returns = f"stream {resp}" if m.get("stream_response") else resp
+                lines.append(f"    rpc {m['name']}({req}) returns ({returns});")
+            lines.extend(["}", ""])
+
+        return lines
+
+    def _generate_message_from_definition(
+        self, model_def: ModelDefinition
+    ) -> List[str]:
+        """Generate proto message from ModelDefinition."""
+        lines = [f"message {model_def.name} {{"]
+
+        if not model_def.fields:
+            lines.append("    // Empty")
+        else:
+            for i, field in enumerate(model_def.fields, 1):
+                proto_type, optional = self._resolve_type(field.type_hint)
+                prefix = (
+                    "optional "
+                    if optional and not proto_type.startswith("repeated")
+                    else ""
+                )
+                lines.append(f"    {prefix}{proto_type} {field.name} = {i};")
+
+        lines.append("}")
+        return lines
+
+    def _generate_message_from_dataclass(self, cls: type) -> List[str]:
+        """Generate proto message from a dataclass."""
+        lines = [f"message {cls.__name__} {{"]
+
+        hints = get_type_hints(cls)
+        if not hints:
+            lines.append("    // Empty")
+        else:
+            for i, (name, type_hint) in enumerate(hints.items(), 1):
+                proto_type, optional = self._resolve_type(type_hint)
+                prefix = (
+                    "optional "
+                    if optional and not proto_type.startswith("repeated")
+                    else ""
+                )
+                lines.append(f"    {prefix}{proto_type} {name} = {i};")
+
+        lines.append("}")
+        return lines
+
+    def _resolve_type(self, type_hint: Any) -> tuple[str, bool]:
+        """Resolve Python type to proto type. Returns (type, is_optional)."""
+        base, optional = unwrap_optional(type_hint)
+        origin = get_origin_name(base)
+
+        # Look up resolver
+        resolver = PROTO_RESOLVERS.get(origin) or PROTO_RESOLVERS.get(base)
+
+        if resolver:
+            result = resolver(base)
+            is_repeated = result.startswith("repeated")
+            return result, optional and not is_repeated
+
+        return "string", optional

tools/generator/pydantic.py

@@ -0,0 +1,427 @@
+"""
+Pydantic Generator
+
+Generates Pydantic BaseModel classes from model definitions.
+"""
+
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, FieldDefinition, ModelDefinition
+from ..types import PYDANTIC_RESOLVERS
+from .base import BaseGenerator
+
+
+class PydanticGenerator(BaseGenerator):
+    """Generates Pydantic model files."""
+
+    def file_extension(self) -> str:
+        return ".py"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate Pydantic models to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Detect input type and generate accordingly
+        if hasattr(models, "get_shared_component"):
+            # ConfigLoader (soleprint config)
+            content = self._generate_from_config(models)
+        elif hasattr(models, "models"):
+            # SchemaLoader
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple from extractor
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects (schema/extract mode)."""
+        lines = self._generate_header()
+
+        # Generate enums
+        for enum_def in enums:
+            lines.extend(self._generate_enum(enum_def))
+            lines.append("")
+
+        # Generate models
+        for model_def in models:
+            lines.extend(self._generate_model_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        # Collect and generate enums first
+        enums_generated = set()
+        for cls in dataclasses:
+            hints = get_type_hints(cls)
+            for type_hint in hints.values():
+                base, _ = unwrap_optional(type_hint)
+                if isinstance(base, type) and issubclass(base, Enum):
+                    if base.__name__ not in enums_generated:
+                        lines.extend(self._generate_enum_from_python(base))
+                        lines.append("")
+                        enums_generated.add(base.__name__)
+
+        # Generate models
+        for cls in dataclasses:
+            lines.extend(self._generate_model_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header."""
+        return [
+            '"""',
+            "Pydantic Models - GENERATED FILE",
+            "",
+            "Do not edit directly. Regenerate using modelgen.",
+            '"""',
+            "",
+            "from datetime import datetime",
+            "from enum import Enum",
+            "from typing import Any, Dict, List, Optional",
+            "from uuid import UUID",
+            "",
+            "from pydantic import BaseModel, Field",
+            "",
+        ]
+
+    def _generate_enum(self, enum_def: EnumDefinition) -> List[str]:
+        """Generate Pydantic enum from EnumDefinition."""
+        lines = [f"class {enum_def.name}(str, Enum):"]
+        for name, value in enum_def.values:
+            lines.append(f'    {name} = "{value}"')
+        return lines
+
+    def _generate_enum_from_python(self, enum_cls: type) -> List[str]:
+        """Generate Pydantic enum from Python Enum."""
+        lines = [f"class {enum_cls.__name__}(str, Enum):"]
+        for member in enum_cls:
+            lines.append(f'    {member.name} = "{member.value}"')
+        return lines
+
+    def _generate_model_from_definition(self, model_def: ModelDefinition) -> List[str]:
+        """Generate Pydantic model from ModelDefinition."""
+        docstring = model_def.docstring or model_def.name
+        lines = [
+            f"class {model_def.name}(BaseModel):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+        ]
+
+        if not model_def.fields:
+            lines.append("    pass")
+        else:
+            for field in model_def.fields:
+                py_type = self._resolve_type(field.type_hint, field.optional)
+                default = self._format_default(field.default, field.optional)
+                lines.append(f"    {field.name}: {py_type}{default}")
+
+        return lines
+
+    def _generate_model_from_dataclass(self, cls: type) -> List[str]:
+        """Generate Pydantic model from a dataclass."""
+        import dataclasses as dc
+
+        docstring = cls.__doc__ or cls.__name__
+        lines = [
+            f"class {cls.__name__}(BaseModel):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+        ]
+
+        hints = get_type_hints(cls)
+        fields = {f.name: f for f in dc.fields(cls)}
+
+        for name, type_hint in hints.items():
+            if name.startswith("_"):
+                continue
+
+            field = fields.get(name)
+            default_val = dc.MISSING
+            if field:
+                if field.default is not dc.MISSING:
+                    default_val = field.default
+
+            py_type = self._resolve_type(type_hint, False)
+            default = self._format_default(default_val, "Optional" in py_type)
+            lines.append(f"    {name}: {py_type}{default}")
+
+        return lines
+
+    def _resolve_type(self, type_hint: Any, optional: bool) -> str:
+        """Resolve Python type to Pydantic type string."""
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+
+        # Look up resolver
+        resolver = (
+            PYDANTIC_RESOLVERS.get(origin)
+            or PYDANTIC_RESOLVERS.get(type_name)
+            or PYDANTIC_RESOLVERS.get(base)
+            or (
+                PYDANTIC_RESOLVERS["enum"]
+                if isinstance(base, type) and issubclass(base, Enum)
+                else None
+            )
+        )
+
+        result = resolver(base) if resolver else "str"
+        return f"Optional[{result}]" if optional else result
+
+    def _format_default(self, default: Any, optional: bool) -> str:
+        """Format default value for field."""
+        import dataclasses as dc
+
+        if optional:
+            return " = None"
+        if default is dc.MISSING or default is None:
+            return ""
+        if isinstance(default, str):
+            return f' = "{default}"'
+        if isinstance(default, Enum):
+            return f" = {default.__class__.__name__}.{default.name}"
+        if callable(default):
+            return " = Field(default_factory=list)" if "list" in str(default) else ""
+        return f" = {default!r}"
+
+    def _generate_from_config(self, config) -> str:
+        """Generate from ConfigLoader (soleprint config.json mode)."""
+        # Get component names from config
+        config_comp = config.get_shared_component("config")
+        data_comp = config.get_shared_component("data")
+
+        data_flow_sys = config.get_system("data_flow")
+        doc_sys = config.get_system("documentation")
+        exec_sys = config.get_system("execution")
+
+        connector_comp = config.get_component("data_flow", "connector")
+        pulse_comp = config.get_component("data_flow", "composed")
+
+        pattern_comp = config.get_component("documentation", "pattern")
+        doc_composed = config.get_component("documentation", "composed")
+
+        tool_comp = config.get_component("execution", "utility")
+        monitor_comp = config.get_component("execution", "watcher")
+        cabinet_comp = config.get_component("execution", "container")
+        exec_composed = config.get_component("execution", "composed")
+
+        return f'''"""
+Pydantic models - Generated from {config.framework.name}.config.json
+
+DO NOT EDIT MANUALLY - Regenerate from config
+"""
+
+from enum import Enum
+from typing import List, Literal, Optional
+
+from pydantic import BaseModel, Field
+
+
+class Status(str, Enum):
+    PENDING = "pending"
+    PLANNED = "planned"
+    BUILDING = "building"
+    DEV = "dev"
+    LIVE = "live"
+    READY = "ready"
+
+
+class System(str, Enum):
+    {data_flow_sys.name.upper()} = "{data_flow_sys.name}"
+    {doc_sys.name.upper()} = "{doc_sys.name}"
+    {exec_sys.name.upper()} = "{exec_sys.name}"
+
+
+class ToolType(str, Enum):
+    APP = "app"
+    CLI = "cli"
+
+
+# === Shared Components ===
+
+
+class {config_comp.title}(BaseModel):
+    """{config_comp.description}. Shared across {data_flow_sys.name}, {exec_sys.name}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    config_path: Optional[str] = None
+
+
+class {data_comp.title}(BaseModel):
+    """{data_comp.description}. Shared across all systems."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    source_template: Optional[str] = None
+    data_path: Optional[str] = None
+
+
+# === System-Specific Components ===
+
+
+class {connector_comp.title}(BaseModel):
+    """{connector_comp.description} ({data_flow_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    system: Literal["{data_flow_sys.name}"] = "{data_flow_sys.name}"
+    mock: Optional[bool] = None
+    description: Optional[str] = None
+
+
+class {pattern_comp.title}(BaseModel):
+    """{pattern_comp.description} ({doc_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    template_path: Optional[str] = None
+    system: Literal["{doc_sys.name}"] = "{doc_sys.name}"
+
+
+class {tool_comp.title}(BaseModel):
+    """{tool_comp.description} ({exec_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+    type: Optional[ToolType] = None
+    description: Optional[str] = None
+    path: Optional[str] = None
+    url: Optional[str] = None
+    cli: Optional[str] = None
+
+
+class {monitor_comp.title}(BaseModel):
+    """{monitor_comp.description} ({exec_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+
+
+class {cabinet_comp.title}(BaseModel):
+    """{cabinet_comp.description} ({exec_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    tools: List[{tool_comp.title}] = Field(default_factory=list)
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+
+
+# === Composed Types ===
+
+
+class {pulse_comp.title}(BaseModel):
+    """{pulse_comp.description} ({data_flow_sys.name}). Formula: {pulse_comp.formula}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    {connector_comp.name}: Optional[{connector_comp.title}] = None
+    {config_comp.name}: Optional[{config_comp.title}] = None
+    {data_comp.name}: Optional[{data_comp.title}] = None
+    system: Literal["{data_flow_sys.name}"] = "{data_flow_sys.name}"
+
+
+class {doc_composed.title}(BaseModel):
+    """{doc_composed.description} ({doc_sys.name}). Formula: {doc_composed.formula}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    template: Optional[{pattern_comp.title}] = None
+    {data_comp.name}: Optional[{data_comp.title}] = None
+    output_{data_comp.name}: Optional[{data_comp.title}] = None
+    system: Literal["{doc_sys.name}"] = "{doc_sys.name}"
+
+
+class {exec_composed.title}(BaseModel):
+    """{exec_composed.description} ({exec_sys.name}). Formula: {exec_composed.formula}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    cabinet: Optional[{cabinet_comp.title}] = None
+    {config_comp.name}: Optional[{config_comp.title}] = None
+    {data_comp.plural}: List[{data_comp.title}] = Field(default_factory=list)
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+
+
+# === Collection wrappers for JSON files ===
+
+
+class {config_comp.title}Collection(BaseModel):
+    items: List[{config_comp.title}] = Field(default_factory=list)
+
+
+class {data_comp.title}Collection(BaseModel):
+    items: List[{data_comp.title}] = Field(default_factory=list)
+
+
+class {connector_comp.title}Collection(BaseModel):
+    items: List[{connector_comp.title}] = Field(default_factory=list)
+
+
+class {pattern_comp.title}Collection(BaseModel):
+    items: List[{pattern_comp.title}] = Field(default_factory=list)
+
+
+class {tool_comp.title}Collection(BaseModel):
+    items: List[{tool_comp.title}] = Field(default_factory=list)
+
+
+class {monitor_comp.title}Collection(BaseModel):
+    items: List[{monitor_comp.title}] = Field(default_factory=list)
+
+
+class {cabinet_comp.title}Collection(BaseModel):
+    items: List[{cabinet_comp.title}] = Field(default_factory=list)
+
+
+class {pulse_comp.title}Collection(BaseModel):
+    items: List[{pulse_comp.title}] = Field(default_factory=list)
+
+
+class {doc_composed.title}Collection(BaseModel):
+    items: List[{doc_composed.title}] = Field(default_factory=list)
+
+
+class {exec_composed.title}Collection(BaseModel):
+    items: List[{exec_composed.title}] = Field(default_factory=list)
+'''

tools/generator/typescript.py

@@ -0,0 +1,144 @@
+"""
+TypeScript Generator
+
+Generates TypeScript interfaces from model definitions.
+"""
+
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, FieldDefinition, ModelDefinition
+from ..types import TS_RESOLVERS
+from .base import BaseGenerator
+
+
+class TypeScriptGenerator(BaseGenerator):
+    """Generates TypeScript interface files."""
+
+    def file_extension(self) -> str:
+        return ".ts"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate TypeScript types to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "models"):
+            # SchemaLoader
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header()
+
+        # Generate enums as union types
+        for enum_def in enums:
+            values = " | ".join(f'"{v}"' for _, v in enum_def.values)
+            lines.append(f"export type {enum_def.name} = {values};")
+        lines.append("")
+
+        # Generate interfaces
+        for model_def in models:
+            lines.extend(self._generate_interface_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        # Collect and generate enums first
+        enums_generated = set()
+        for cls in dataclasses:
+            hints = get_type_hints(cls)
+            for type_hint in hints.values():
+                base, _ = unwrap_optional(type_hint)
+                if isinstance(base, type) and issubclass(base, Enum):
+                    if base.__name__ not in enums_generated:
+                        values = " | ".join(f'"{m.value}"' for m in base)
+                        lines.append(f"export type {base.__name__} = {values};")
+                        enums_generated.add(base.__name__)
+        lines.append("")
+
+        # Generate interfaces
+        for cls in dataclasses:
+            lines.extend(self._generate_interface_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header."""
+        return [
+            "/**",
+            " * TypeScript Types - GENERATED FILE",
+            " *",
+            " * Do not edit directly. Regenerate using modelgen.",
+            " */",
+            "",
+        ]
+
+    def _generate_interface_from_definition(
+        self, model_def: ModelDefinition
+    ) -> List[str]:
+        """Generate TypeScript interface from ModelDefinition."""
+        lines = [f"export interface {model_def.name} {{"]
+
+        for field in model_def.fields:
+            ts_type = self._resolve_type(field.type_hint, field.optional)
+            lines.append(f"  {field.name}: {ts_type};")
+
+        lines.append("}")
+        return lines
+
+    def _generate_interface_from_dataclass(self, cls: type) -> List[str]:
+        """Generate TypeScript interface from a dataclass."""
+        lines = [f"export interface {cls.__name__} {{"]
+
+        for name, type_hint in get_type_hints(cls).items():
+            if name.startswith("_"):
+                continue
+            ts_type = self._resolve_type(type_hint, False)
+            lines.append(f"  {name}: {ts_type};")
+
+        lines.append("}")
+        return lines
+
+    def _resolve_type(self, type_hint: Any, optional: bool) -> str:
+        """Resolve Python type to TypeScript type string."""
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+
+        # Look up resolver
+        resolver = (
+            TS_RESOLVERS.get(origin)
+            or TS_RESOLVERS.get(type_name)
+            or TS_RESOLVERS.get(base)
+            or (
+                TS_RESOLVERS["enum"]
+                if isinstance(base, type) and issubclass(base, Enum)
+                else None
+            )
+        )
+
+        result = resolver(base) if resolver else "string"
+        return f"{result} | null" if optional else result

tools/helpers.py

@@ -0,0 +1,72 @@
+"""
+Type Helpers
+
+Utilities for type introspection and resolution.
+Used by generators and loaders.
+"""
+
+import dataclasses as dc
+from enum import Enum
+from typing import Any, Union, get_args, get_origin
+
+
+def unwrap_optional(type_hint: Any) -> tuple[Any, bool]:
+    """Unwrap Optional[T] -> (T, True) or (T, False) if not optional."""
+    origin = get_origin(type_hint)
+    if origin is Union:
+        args = [a for a in get_args(type_hint) if a is not type(None)]
+        return (args[0] if args else str, True)
+    return (type_hint, False)
+
+
+def get_origin_name(type_hint: Any) -> str | None:
+    """Get origin type name: 'dict', 'list', or None."""
+    origin = get_origin(type_hint)
+    if origin is dict:
+        return "dict"
+    if origin is list:
+        return "list"
+    return None
+
+
+def get_type_name(type_hint: Any) -> str | None:
+    """Get type name for special types like UUID, datetime."""
+    if hasattr(type_hint, "__name__"):
+        return type_hint.__name__
+    return None
+
+
+def get_list_inner(type_hint: Any) -> str:
+    """Get inner type of List[T]."""
+    args = get_args(type_hint)
+    if args and args[0] in (str, int, float, bool):
+        return {str: "str", int: "int", float: "float", bool: "bool"}[args[0]]
+    return "str"
+
+
+def get_field_default(field: dc.Field) -> Any:
+    """Get default value from dataclass field."""
+    if field.default is not dc.MISSING:
+        return field.default
+    return dc.MISSING
+
+
+def format_opts(optional: bool, extra: list[str] | None = None) -> str:
+    """Format field options string for Django."""
+    parts = []
+    if optional:
+        parts.append("null=True, blank=True")
+    if extra:
+        parts.extend(extra)
+    return ", ".join(parts)
+
+
+def is_enum(type_hint: Any) -> bool:
+    """Check if type is an Enum."""
+    base, _ = unwrap_optional(type_hint)
+    return isinstance(base, type) and issubclass(base, Enum)
+
+
+def get_enum_values(enum_class: type) -> list[tuple[str, str]]:
+    """Get list of (name, value) pairs from an Enum."""
+    return [(m.name, m.value) for m in enum_class]

tools/loader/__init__.py

@@ -0,0 +1,37 @@
+"""
+Loader - Input source handlers for modelgen.
+
+Supported loaders:
+- ConfigLoader: Load from soleprint config.json
+- SchemaLoader: Load from Python dataclasses in schema/ folder
+- Extractors: Extract from existing codebases (Django, SQLAlchemy, Prisma)
+"""
+
+from .config import ConfigLoader, load_config
+from .extract import EXTRACTORS, BaseExtractor, DjangoExtractor
+from .schema import (
+    EnumDefinition,
+    FieldDefinition,
+    GrpcServiceDefinition,
+    ModelDefinition,
+    SchemaLoader,
+    load_schema,
+)
+
+__all__ = [
+    # Config loader
+    "ConfigLoader",
+    "load_config",
+    # Schema loader
+    "SchemaLoader",
+    "load_schema",
+    # Model definitions
+    "ModelDefinition",
+    "FieldDefinition",
+    "EnumDefinition",
+    "GrpcServiceDefinition",
+    # Extractors
+    "BaseExtractor",
+    "DjangoExtractor",
+    "EXTRACTORS",
+]

tools/loader/config.py

@@ -0,0 +1,116 @@
+"""
+Configuration Loader
+
+Loads and validates framework configuration files (soleprint config.json style).
+"""
+
+import json
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+
+@dataclass
+class FrameworkConfig:
+    """Framework metadata"""
+
+    name: str
+    slug: str
+    version: str
+    description: str
+    tagline: str
+    icon: str
+    hub_port: int
+
+
+@dataclass
+class SystemConfig:
+    """System configuration"""
+
+    key: str
+    name: str
+    slug: str = ""
+    title: str = ""
+    tagline: str = ""
+    icon: str = ""
+
+
+@dataclass
+class ComponentConfig:
+    """Component configuration"""
+
+    name: str
+    title: str
+    description: str
+    plural: Optional[str] = None
+    formula: Optional[str] = None
+
+
+class ConfigLoader:
+    """Loads and parses framework configuration"""
+
+    def __init__(self, config_path: Path):
+        self.config_path = Path(config_path)
+        self.raw_config: Dict[str, Any] = {}
+        self.framework: Optional[FrameworkConfig] = None
+        self.systems: List[SystemConfig] = []
+        self.components: Dict[str, Dict[str, ComponentConfig]] = {}
+
+    def load(self) -> "ConfigLoader":
+        """Load configuration from file"""
+        with open(self.config_path) as f:
+            self.raw_config = json.load(f)
+
+        self._parse_framework()
+        self._parse_systems()
+        self._parse_components()
+
+        return self
+
+    def _parse_framework(self):
+        """Parse framework metadata"""
+        fw = self.raw_config["framework"]
+        self.framework = FrameworkConfig(**fw)
+
+    def _parse_systems(self):
+        """Parse system configurations"""
+        for sys in self.raw_config["systems"]:
+            self.systems.append(SystemConfig(**sys))
+
+    def _parse_components(self):
+        """Parse component configurations"""
+        comps = self.raw_config["components"]
+
+        # Shared components
+        self.components["shared"] = {}
+        for key, value in comps.get("shared", {}).items():
+            self.components["shared"][key] = ComponentConfig(**value)
+
+        # System-specific components
+        for system_key in ["data_flow", "documentation", "execution"]:
+            self.components[system_key] = {}
+            for comp_key, comp_value in comps.get(system_key, {}).items():
+                self.components[system_key][comp_key] = ComponentConfig(**comp_value)
+
+    def get_system(self, key: str) -> Optional[SystemConfig]:
+        """Get system config by key"""
+        for sys in self.systems:
+            if sys.key == key:
+                return sys
+        return None
+
+    def get_component(
+        self, system_key: str, component_key: str
+    ) -> Optional[ComponentConfig]:
+        """Get component config"""
+        return self.components.get(system_key, {}).get(component_key)
+
+    def get_shared_component(self, key: str) -> Optional[ComponentConfig]:
+        """Get shared component config"""
+        return self.components.get("shared", {}).get(key)
+
+
+def load_config(config_path: str | Path) -> ConfigLoader:
+    """Load and validate configuration file"""
+    loader = ConfigLoader(config_path)
+    return loader.load()

tools/loader/extract/__init__.py

@@ -0,0 +1,20 @@
+"""
+Extractors - Extract model definitions from existing codebases.
+
+Supported frameworks:
+- Django: Extract from Django ORM models
+- SQLAlchemy: Extract from SQLAlchemy models (planned)
+- Prisma: Extract from Prisma schema (planned)
+"""
+
+from typing import Dict, Type
+
+from .base import BaseExtractor
+from .django import DjangoExtractor
+
+# Registry of available extractors
+EXTRACTORS: Dict[str, Type[BaseExtractor]] = {
+    "django": DjangoExtractor,
+}
+
+__all__ = ["BaseExtractor", "DjangoExtractor", "EXTRACTORS"]

tools/loader/extract/base.py

@@ -0,0 +1,38 @@
+"""
+Base Extractor
+
+Abstract base class for model extractors.
+"""
+
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import List
+
+from ..schema import EnumDefinition, ModelDefinition
+
+
+class BaseExtractor(ABC):
+    """Abstract base for codebase model extractors."""
+
+    def __init__(self, source_path: Path):
+        self.source_path = Path(source_path)
+
+    @abstractmethod
+    def extract(self) -> tuple[List[ModelDefinition], List[EnumDefinition]]:
+        """
+        Extract model definitions from source codebase.
+
+        Returns:
+            Tuple of (models, enums)
+        """
+        pass
+
+    @abstractmethod
+    def detect(self) -> bool:
+        """
+        Detect if this extractor can handle the source path.
+
+        Returns:
+            True if this extractor can handle the source
+        """
+        pass

tools/loader/extract/django.py

@@ -0,0 +1,237 @@
+"""
+Django Extractor
+
+Extracts model definitions from Django ORM models.
+"""
+
+import ast
+import sys
+from pathlib import Path
+from typing import Any, List, Optional
+
+from ..schema import EnumDefinition, FieldDefinition, ModelDefinition
+from .base import BaseExtractor
+
+# Django field type mappings to Python types
+DJANGO_FIELD_TYPES = {
+    "CharField": str,
+    "TextField": str,
+    "EmailField": str,
+    "URLField": str,
+    "SlugField": str,
+    "UUIDField": "UUID",
+    "IntegerField": int,
+    "BigIntegerField": "bigint",
+    "SmallIntegerField": int,
+    "PositiveIntegerField": int,
+    "FloatField": float,
+    "DecimalField": float,
+    "BooleanField": bool,
+    "NullBooleanField": bool,
+    "DateField": "datetime",
+    "DateTimeField": "datetime",
+    "TimeField": "datetime",
+    "JSONField": "dict",
+    "ForeignKey": "FK",
+    "OneToOneField": "FK",
+    "ManyToManyField": "M2M",
+}
+
+
+class DjangoExtractor(BaseExtractor):
+    """Extracts models from Django ORM."""
+
+    def detect(self) -> bool:
+        """Check if this is a Django project."""
+        # Look for manage.py or settings.py
+        manage_py = self.source_path / "manage.py"
+        settings_py = self.source_path / "settings.py"
+
+        if manage_py.exists():
+            return True
+
+        # Check for Django imports in any models.py
+        for models_file in self.source_path.rglob("models.py"):
+            content = models_file.read_text()
+            if "from django.db import models" in content:
+                return True
+
+        return settings_py.exists()
+
+    def extract(self) -> tuple[List[ModelDefinition], List[EnumDefinition]]:
+        """Extract Django models using AST parsing."""
+        models = []
+        enums = []
+
+        # Find all models.py files
+        for models_file in self.source_path.rglob("models.py"):
+            file_models, file_enums = self._extract_from_file(models_file)
+            models.extend(file_models)
+            enums.extend(file_enums)
+
+        return models, enums
+
+    def _extract_from_file(
+        self, file_path: Path
+    ) -> tuple[List[ModelDefinition], List[EnumDefinition]]:
+        """Extract models from a single models.py file."""
+        models = []
+        enums = []
+
+        content = file_path.read_text()
+        tree = ast.parse(content)
+
+        for node in ast.walk(tree):
+            if isinstance(node, ast.ClassDef):
+                # Check if it inherits from models.Model
+                if self._is_django_model(node):
+                    model_def = self._parse_model_class(node)
+                    if model_def:
+                        models.append(model_def)
+                # Check if it's a TextChoices/IntegerChoices enum
+                elif self._is_django_choices(node):
+                    enum_def = self._parse_choices_class(node)
+                    if enum_def:
+                        enums.append(enum_def)
+
+        return models, enums
+
+    def _is_django_model(self, node: ast.ClassDef) -> bool:
+        """Check if class inherits from models.Model."""
+        for base in node.bases:
+            if isinstance(base, ast.Attribute):
+                if base.attr == "Model":
+                    return True
+            elif isinstance(base, ast.Name):
+                if base.id in ("Model", "AbstractUser", "AbstractBaseUser"):
+                    return True
+        return False
+
+    def _is_django_choices(self, node: ast.ClassDef) -> bool:
+        """Check if class is a Django TextChoices/IntegerChoices."""
+        for base in node.bases:
+            if isinstance(base, ast.Attribute):
+                if base.attr in ("TextChoices", "IntegerChoices"):
+                    return True
+            elif isinstance(base, ast.Name):
+                if base.id in ("TextChoices", "IntegerChoices"):
+                    return True
+        return False
+
+    def _parse_model_class(self, node: ast.ClassDef) -> Optional[ModelDefinition]:
+        """Parse a Django model class into ModelDefinition."""
+        fields = []
+
+        for item in node.body:
+            if isinstance(item, ast.Assign):
+                field_def = self._parse_field_assignment(item)
+                if field_def:
+                    fields.append(field_def)
+            elif isinstance(item, ast.AnnAssign):
+                # Handle annotated assignments (Django 4.0+ style)
+                field_def = self._parse_annotated_field(item)
+                if field_def:
+                    fields.append(field_def)
+
+        # Get docstring
+        docstring = ast.get_docstring(node)
+
+        return ModelDefinition(
+            name=node.name,
+            fields=fields,
+            docstring=docstring,
+        )
+
+    def _parse_field_assignment(self, node: ast.Assign) -> Optional[FieldDefinition]:
+        """Parse a field assignment like: name = models.CharField(...)"""
+        if not node.targets or not isinstance(node.targets[0], ast.Name):
+            return None
+
+        field_name = node.targets[0].id
+
+        # Skip private fields and Meta class
+        if field_name.startswith("_") or field_name == "Meta":
+            return None
+
+        # Parse the field call
+        if isinstance(node.value, ast.Call):
+            return self._parse_field_call(field_name, node.value)
+
+        return None
+
+    def _parse_annotated_field(self, node: ast.AnnAssign) -> Optional[FieldDefinition]:
+        """Parse an annotated field assignment."""
+        if not isinstance(node.target, ast.Name):
+            return None
+
+        field_name = node.target.id
+
+        if field_name.startswith("_"):
+            return None
+
+        if node.value and isinstance(node.value, ast.Call):
+            return self._parse_field_call(field_name, node.value)
+
+        return None
+
+    def _parse_field_call(
+        self, field_name: str, call: ast.Call
+    ) -> Optional[FieldDefinition]:
+        """Parse a Django field call like models.CharField(max_length=100)."""
+        # Get field type name
+        field_type_name = None
+
+        if isinstance(call.func, ast.Attribute):
+            field_type_name = call.func.attr
+        elif isinstance(call.func, ast.Name):
+            field_type_name = call.func.id
+
+        if not field_type_name:
+            return None
+
+        # Map to Python type
+        python_type = DJANGO_FIELD_TYPES.get(field_type_name, str)
+
+        # Check for null=True
+        optional = False
+        default = None
+
+        for keyword in call.keywords:
+            if keyword.arg == "null":
+                if isinstance(keyword.value, ast.Constant):
+                    optional = keyword.value.value is True
+            elif keyword.arg == "default":
+                if isinstance(keyword.value, ast.Constant):
+                    default = keyword.value.value
+
+        return FieldDefinition(
+            name=field_name,
+            type_hint=python_type,
+            default=default if default is not None else None,
+            optional=optional,
+        )
+
+    def _parse_choices_class(self, node: ast.ClassDef) -> Optional[EnumDefinition]:
+        """Parse a Django TextChoices/IntegerChoices class."""
+        values = []
+
+        for item in node.body:
+            if isinstance(item, ast.Assign):
+                if item.targets and isinstance(item.targets[0], ast.Name):
+                    name = item.targets[0].id
+                    if name.isupper():  # Enum values are typically uppercase
+                        # Get the value
+                        value = name.lower()  # Default to lowercase name
+                        if isinstance(item.value, ast.Constant):
+                            value = str(item.value.value)
+                        elif isinstance(item.value, ast.Tuple) and item.value.elts:
+                            # TextChoices: NAME = "value", "Label"
+                            if isinstance(item.value.elts[0], ast.Constant):
+                                value = str(item.value.elts[0].value)
+
+                        values.append((name, value))
+
+        if not values:
+            return None
+
+        return EnumDefinition(name=node.name, values=values)

tools/loader/schema.py

@@ -0,0 +1,169 @@
+"""
+Schema Loader
+
+Loads Python dataclasses from a schema/ folder.
+Expects the folder to have an __init__.py that exports:
+- DATACLASSES: List of dataclass types to generate
+- ENUMS: List of Enum types to include
+- GRPC_MESSAGES: (optional) List of gRPC message types
+- GRPC_SERVICE: (optional) gRPC service definition dict
+"""
+
+import dataclasses as dc
+import importlib.util
+import sys
+from dataclasses import dataclass
+from enum import Enum
+from pathlib import Path
+from typing import Any, Dict, List, Optional, Type, get_type_hints
+
+
+@dataclass
+class FieldDefinition:
+    """Represents a model field."""
+
+    name: str
+    type_hint: Any
+    default: Any = dc.MISSING
+    optional: bool = False
+
+
+@dataclass
+class ModelDefinition:
+    """Represents a model/dataclass."""
+
+    name: str
+    fields: List[FieldDefinition]
+    docstring: Optional[str] = None
+
+
+@dataclass
+class EnumDefinition:
+    """Represents an enum."""
+
+    name: str
+    values: List[tuple[str, str]]  # (name, value) pairs
+
+
+@dataclass
+class GrpcServiceDefinition:
+    """Represents a gRPC service."""
+
+    package: str
+    name: str
+    methods: List[Dict[str, Any]]
+
+
+class SchemaLoader:
+    """Loads model definitions from Python dataclasses in schema/ folder."""
+
+    def __init__(self, schema_path: Path):
+        self.schema_path = Path(schema_path)
+        self.models: List[ModelDefinition] = []
+        self.enums: List[EnumDefinition] = []
+        self.grpc_messages: List[ModelDefinition] = []
+        self.grpc_service: Optional[GrpcServiceDefinition] = None
+
+    def load(self) -> "SchemaLoader":
+        """Load schema definitions from the schema folder."""
+        init_path = self.schema_path / "__init__.py"
+
+        if not init_path.exists():
+            raise FileNotFoundError(f"Schema folder must have __init__.py: {init_path}")
+
+        # Import the schema module
+        module = self._import_module(init_path)
+
+        # Extract DATACLASSES
+        dataclasses = getattr(module, "DATACLASSES", [])
+        for cls in dataclasses:
+            self.models.append(self._parse_dataclass(cls))
+
+        # Extract ENUMS
+        enums = getattr(module, "ENUMS", [])
+        for enum_cls in enums:
+            self.enums.append(self._parse_enum(enum_cls))
+
+        # Extract GRPC_MESSAGES (optional)
+        grpc_messages = getattr(module, "GRPC_MESSAGES", [])
+        for cls in grpc_messages:
+            self.grpc_messages.append(self._parse_dataclass(cls))
+
+        # Extract GRPC_SERVICE (optional)
+        grpc_service = getattr(module, "GRPC_SERVICE", None)
+        if grpc_service:
+            self.grpc_service = GrpcServiceDefinition(
+                package=grpc_service.get("package", "service"),
+                name=grpc_service.get("name", "Service"),
+                methods=grpc_service.get("methods", []),
+            )
+
+        return self
+
+    def _import_module(self, path: Path):
+        """Import a Python module from a file path."""
+        spec = importlib.util.spec_from_file_location("schema", path)
+        if spec is None or spec.loader is None:
+            raise ImportError(f"Could not load module from {path}")
+
+        module = importlib.util.module_from_spec(spec)
+        sys.modules["schema"] = module
+        spec.loader.exec_module(module)
+        return module
+
+    def _parse_dataclass(self, cls: Type) -> ModelDefinition:
+        """Parse a dataclass into a ModelDefinition."""
+        hints = get_type_hints(cls)
+        fields_info = {f.name: f for f in dc.fields(cls)}
+
+        fields = []
+        for name, type_hint in hints.items():
+            if name.startswith("_"):
+                continue
+
+            field_info = fields_info.get(name)
+            default = dc.MISSING
+            if field_info:
+                if field_info.default is not dc.MISSING:
+                    default = field_info.default
+                elif field_info.default_factory is not dc.MISSING:
+                    default = field_info.default_factory
+
+            # Check if optional (Union with None)
+            optional = self._is_optional(type_hint)
+
+            fields.append(
+                FieldDefinition(
+                    name=name,
+                    type_hint=type_hint,
+                    default=default,
+                    optional=optional,
+                )
+            )
+
+        return ModelDefinition(
+            name=cls.__name__,
+            fields=fields,
+            docstring=cls.__doc__,
+        )
+
+    def _parse_enum(self, enum_cls: Type[Enum]) -> EnumDefinition:
+        """Parse an Enum into an EnumDefinition."""
+        values = [(m.name, m.value) for m in enum_cls]
+        return EnumDefinition(name=enum_cls.__name__, values=values)
+
+    def _is_optional(self, type_hint: Any) -> bool:
+        """Check if a type hint is Optional (Union with None)."""
+        from typing import Union, get_args, get_origin
+
+        origin = get_origin(type_hint)
+        if origin is Union:
+            args = get_args(type_hint)
+            return type(None) in args
+        return False
+
+
+def load_schema(schema_path: str | Path) -> SchemaLoader:
+    """Load schema definitions from folder."""
+    loader = SchemaLoader(schema_path)
+    return loader.load()

tools/model_generator.py

@@ -0,0 +1,77 @@
+"""
+Model Generator
+
+Orchestrates model generation from various sources to various formats.
+Delegates to loaders for input and generators for output.
+"""
+
+from pathlib import Path
+from typing import Dict, Type
+
+from .generator import GENERATORS, BaseGenerator
+from .loader import ConfigLoader
+
+
+class ModelGenerator:
+    """
+    Generates typed models from configuration.
+
+    This is the main entry point for model generation.
+    Delegates to format-specific generators.
+    """
+
+    def __init__(
+        self,
+        config: ConfigLoader,
+        output_path: Path,
+        output_format: str = "pydantic",
+    ):
+        """
+        Initialize the generator.
+
+        Args:
+            config: Loaded configuration
+            output_path: Exact path where to write (file or directory depending on format)
+            output_format: Output format (pydantic, django, prisma, typescript, protobuf)
+        """
+        self.config = config
+        self.output_path = Path(output_path)
+        self.output_format = output_format
+
+        if output_format not in GENERATORS:
+            raise ValueError(
+                f"Unknown output format: {output_format}. "
+                f"Available: {list(GENERATORS.keys())}"
+            )
+
+        self.generator = GENERATORS[output_format]()
+
+    def generate(self) -> Path:
+        """
+        Generate models to the specified output path.
+
+        Returns:
+            Path to the generated file/directory
+        """
+        # Determine output file path
+        if self.output_path.suffix:
+            # User specified a file path
+            output_file = self.output_path
+        else:
+            # User specified a directory, add default filename
+            output_file = (
+                self.output_path / f"__init__{self.generator.file_extension()}"
+            )
+
+        self.generator.generate(self.config, output_file)
+        print(f"Generated {self.output_format} models: {output_file}")
+        return output_file
+
+    @classmethod
+    def available_formats(cls) -> list:
+        """Return list of available output formats."""
+        return list(GENERATORS.keys())
+
+
+# Re-export for backwards compatibility
+WRITERS = GENERATORS

tools/modelgen/__init__.py

@@ -0,0 +1,41 @@
+"""
+Modelgen - Generic Model Generation Tool
+
+Generates typed models from various sources to various output formats.
+
+Input sources:
+- Configuration files (soleprint config.json style)
+- Python dataclasses in schema/ folder
+- Existing codebases: Django, SQLAlchemy, Prisma (for extraction)
+
+Output formats:
+- pydantic: Pydantic BaseModel classes
+- django: Django ORM models
+- typescript: TypeScript interfaces
+- protobuf: Protocol Buffer definitions
+- prisma: Prisma schema
+
+Usage:
+    python -m soleprint.station.tools.modelgen from-config -c config.json -o models.py
+    python -m soleprint.station.tools.modelgen from-schema -o models/ --targets pydantic,typescript
+    python -m soleprint.station.tools.modelgen extract --source /path/to/django --targets pydantic
+    python -m soleprint.station.tools.modelgen list-formats
+"""
+
+__version__ = "0.2.0"
+
+from .generator import GENERATORS, BaseGenerator
+from .loader import ConfigLoader, load_config
+from .model_generator import ModelGenerator
+
+# Backwards compatibility
+WRITERS = GENERATORS
+
+__all__ = [
+    "ModelGenerator",
+    "ConfigLoader",
+    "load_config",
+    "GENERATORS",
+    "WRITERS",
+    "BaseGenerator",
+]

tools/modelgen/__main__.py

@@ -0,0 +1,290 @@
+"""
+Modelgen - Generic Model Generation Tool
+
+Generates typed models from various sources to various formats.
+
+Input sources:
+- from-config: Configuration files (soleprint config.json style)
+- from-schema: Python dataclasses in schema/ folder
+- extract: Existing codebases (Django, SQLAlchemy, Prisma)
+
+Output formats:
+- pydantic: Pydantic BaseModel classes
+- django: Django ORM models
+- typescript: TypeScript interfaces
+- protobuf: Protocol Buffer definitions
+- prisma: Prisma schema
+
+Usage:
+    python -m soleprint.station.tools.modelgen --help
+    python -m soleprint.station.tools.modelgen from-config -c config.json -o models.py
+    python -m soleprint.station.tools.modelgen from-schema -o models/ --targets pydantic,typescript
+    python -m soleprint.station.tools.modelgen extract --source /path/to/django --targets pydantic
+"""
+
+import argparse
+import sys
+from pathlib import Path
+
+from .generator import GENERATORS
+
+
+def cmd_from_config(args):
+    """Generate models from a configuration file (soleprint config.json style)."""
+    from .loader import load_config
+    from .model_generator import ModelGenerator
+
+    config_path = Path(args.config)
+    if not config_path.exists():
+        print(f"Error: Config file not found: {config_path}", file=sys.stderr)
+        sys.exit(1)
+
+    output_path = Path(args.output)
+
+    print(f"Loading config: {config_path}")
+    config = load_config(config_path)
+
+    print(f"Generating {args.format} models to: {output_path}")
+    generator = ModelGenerator(
+        config=config,
+        output_path=output_path,
+        output_format=args.format,
+    )
+    result_path = generator.generate()
+
+    print(f"Models generated: {result_path}")
+
+
+def cmd_from_schema(args):
+    """Generate models from Python dataclasses in schema/ folder."""
+    from .loader import load_schema
+    from .writer import write_file
+
+    # Determine schema path
+    schema_path = Path(args.schema) if args.schema else Path.cwd() / "schema"
+
+    if not schema_path.exists():
+        print(f"Error: Schema folder not found: {schema_path}", file=sys.stderr)
+        print(
+            "Create a schema/ folder with Python dataclasses and an __init__.py",
+            file=sys.stderr,
+        )
+        print("that exports DATACLASSES and ENUMS lists.", file=sys.stderr)
+        sys.exit(1)
+
+    print(f"Loading schema: {schema_path}")
+    schema = load_schema(schema_path)
+
+    print(f"Found {len(schema.models)} models, {len(schema.enums)} enums")
+
+    # Parse targets
+    targets = [t.strip() for t in args.targets.split(",")]
+    output_dir = Path(args.output)
+
+    for target in targets:
+        if target not in GENERATORS:
+            print(f"Warning: Unknown target '{target}', skipping", file=sys.stderr)
+            continue
+
+        generator = GENERATORS[target]()
+        ext = generator.file_extension()
+
+        # Determine output filename (use target name to avoid overwrites)
+        if len(targets) == 1 and args.output.endswith(ext):
+            output_file = output_dir
+        else:
+            output_file = output_dir / f"models_{target}{ext}"
+
+        print(f"Generating {target} to: {output_file}")
+        generator.generate(schema, output_file)
+
+    print("Done!")
+
+
+def cmd_extract(args):
+    """Extract models from existing codebase."""
+    from .loader.extract import EXTRACTORS
+
+    source_path = Path(args.source)
+    if not source_path.exists():
+        print(f"Error: Source path not found: {source_path}", file=sys.stderr)
+        sys.exit(1)
+
+    # Auto-detect or use specified framework
+    framework = args.framework
+    extractor = None
+
+    if framework == "auto":
+        for name, extractor_cls in EXTRACTORS.items():
+            ext = extractor_cls(source_path)
+            if ext.detect():
+                framework = name
+                extractor = ext
+                print(f"Detected framework: {framework}")
+                break
+
+        if not extractor:
+            print("Error: Could not auto-detect framework", file=sys.stderr)
+            print(f"Available frameworks: {list(EXTRACTORS.keys())}", file=sys.stderr)
+            sys.exit(1)
+    else:
+        if framework not in EXTRACTORS:
+            print(f"Error: Unknown framework: {framework}", file=sys.stderr)
+            print(f"Available: {list(EXTRACTORS.keys())}", file=sys.stderr)
+            sys.exit(1)
+        extractor = EXTRACTORS[framework](source_path)
+
+    print(f"Extracting from: {source_path}")
+    models, enums = extractor.extract()
+
+    print(f"Extracted {len(models)} models, {len(enums)} enums")
+
+    # Parse targets
+    targets = [t.strip() for t in args.targets.split(",")]
+    output_dir = Path(args.output)
+
+    for target in targets:
+        if target not in GENERATORS:
+            print(f"Warning: Unknown target '{target}', skipping", file=sys.stderr)
+            continue
+
+        generator = GENERATORS[target]()
+        ext = generator.file_extension()
+
+        # Determine output filename (use target name to avoid overwrites)
+        if len(targets) == 1 and args.output.endswith(ext):
+            output_file = output_dir
+        else:
+            output_file = output_dir / f"models_{target}{ext}"
+
+        print(f"Generating {target} to: {output_file}")
+        generator.generate((models, enums), output_file)
+
+    print("Done!")
+
+
+def cmd_list_formats(args):
+    """List available output formats."""
+    print("Available output formats:")
+    for fmt in GENERATORS.keys():
+        print(f"  - {fmt}")
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Modelgen - Generic Model Generation Tool",
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+    )
+
+    subparsers = parser.add_subparsers(dest="command", required=True)
+
+    # Available formats for help text
+    formats = list(GENERATORS.keys())
+    formats_str = ", ".join(formats)
+
+    # from-config command
+    config_parser = subparsers.add_parser(
+        "from-config",
+        help="Generate models from soleprint configuration file",
+    )
+    config_parser.add_argument(
+        "--config",
+        "-c",
+        type=str,
+        required=True,
+        help="Path to configuration file (e.g., config.json)",
+    )
+    config_parser.add_argument(
+        "--output",
+        "-o",
+        type=str,
+        required=True,
+        help="Output path (file or directory)",
+    )
+    config_parser.add_argument(
+        "--format",
+        "-f",
+        type=str,
+        default="pydantic",
+        choices=["pydantic"],  # Only pydantic for config mode
+        help="Output format (default: pydantic)",
+    )
+    config_parser.set_defaults(func=cmd_from_config)
+
+    # from-schema command
+    schema_parser = subparsers.add_parser(
+        "from-schema",
+        help="Generate models from Python dataclasses in schema/ folder",
+    )
+    schema_parser.add_argument(
+        "--schema",
+        "-s",
+        type=str,
+        default=None,
+        help="Path to schema folder (default: ./schema)",
+    )
+    schema_parser.add_argument(
+        "--output",
+        "-o",
+        type=str,
+        required=True,
+        help="Output path (file or directory)",
+    )
+    schema_parser.add_argument(
+        "--targets",
+        "-t",
+        type=str,
+        default="pydantic",
+        help=f"Comma-separated output targets ({formats_str})",
+    )
+    schema_parser.set_defaults(func=cmd_from_schema)
+
+    # extract command
+    extract_parser = subparsers.add_parser(
+        "extract",
+        help="Extract models from existing codebase",
+    )
+    extract_parser.add_argument(
+        "--source",
+        "-s",
+        type=str,
+        required=True,
+        help="Path to source codebase",
+    )
+    extract_parser.add_argument(
+        "--framework",
+        "-f",
+        type=str,
+        choices=["django", "sqlalchemy", "prisma", "auto"],
+        default="auto",
+        help="Source framework (default: auto-detect)",
+    )
+    extract_parser.add_argument(
+        "--output",
+        "-o",
+        type=str,
+        required=True,
+        help="Output path (file or directory)",
+    )
+    extract_parser.add_argument(
+        "--targets",
+        "-t",
+        type=str,
+        default="pydantic",
+        help=f"Comma-separated output targets ({formats_str})",
+    )
+    extract_parser.set_defaults(func=cmd_extract)
+
+    # list-formats command
+    formats_parser = subparsers.add_parser(
+        "list-formats",
+        help="List available output formats",
+    )
+    formats_parser.set_defaults(func=cmd_list_formats)
+
+    args = parser.parse_args()
+    args.func(args)
+
+
+if __name__ == "__main__":
+    main()

tools/modelgen/generator/__init__.py

@@ -0,0 +1,40 @@
+"""
+Generator - Stack-specific code generators for modelgen.
+
+Supported generators:
+- PydanticGenerator: Pydantic BaseModel classes
+- DjangoGenerator: Django ORM models
+- TypeScriptGenerator: TypeScript interfaces
+- ProtobufGenerator: Protocol Buffer definitions
+- PrismaGenerator: Prisma schema
+"""
+
+from typing import Dict, Type
+
+from .base import BaseGenerator
+from .django import DjangoGenerator
+from .prisma import PrismaGenerator
+from .protobuf import ProtobufGenerator
+from .pydantic import PydanticGenerator
+from .typescript import TypeScriptGenerator
+
+# Registry of available generators
+GENERATORS: Dict[str, Type[BaseGenerator]] = {
+    "pydantic": PydanticGenerator,
+    "django": DjangoGenerator,
+    "typescript": TypeScriptGenerator,
+    "ts": TypeScriptGenerator,  # Alias
+    "protobuf": ProtobufGenerator,
+    "proto": ProtobufGenerator,  # Alias
+    "prisma": PrismaGenerator,
+}
+
+__all__ = [
+    "BaseGenerator",
+    "PydanticGenerator",
+    "DjangoGenerator",
+    "TypeScriptGenerator",
+    "ProtobufGenerator",
+    "PrismaGenerator",
+    "GENERATORS",
+]

tools/modelgen/generator/base.py

@@ -0,0 +1,23 @@
+"""
+Base Generator
+
+Abstract base class for all code generators.
+"""
+
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import Any
+
+
+class BaseGenerator(ABC):
+    """Abstract base for code generators."""
+
+    @abstractmethod
+    def generate(self, models: Any, output_path: Path) -> None:
+        """Generate code for the given models to the specified path."""
+        pass
+
+    @abstractmethod
+    def file_extension(self) -> str:
+        """Return the file extension for this format."""
+        pass

tools/modelgen/generator/django.py

@@ -0,0 +1,268 @@
+"""
+Django Generator
+
+Generates Django ORM models from model definitions.
+"""
+
+import dataclasses as dc
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import format_opts, get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, ModelDefinition
+from ..types import DJANGO_SPECIAL, DJANGO_TYPES
+from .base import BaseGenerator
+
+
+class DjangoGenerator(BaseGenerator):
+    """Generates Django ORM model files."""
+
+    def file_extension(self) -> str:
+        return ".py"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate Django models to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "models"):
+            # SchemaLoader or similar
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header()
+
+        # Generate enums as TextChoices
+        for enum_def in enums:
+            lines.extend(self._generate_text_choices(enum_def))
+            lines.append("")
+
+        # Generate models
+        for model_def in models:
+            lines.extend(self._generate_model_from_definition(model_def))
+            lines.extend(["", ""])
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        for cls in dataclasses:
+            lines.extend(self._generate_model_from_dataclass(cls))
+            lines.extend(["", ""])
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header."""
+        return [
+            '"""',
+            "Django ORM Models - GENERATED FILE",
+            "",
+            "Do not edit directly. Regenerate using modelgen.",
+            '"""',
+            "",
+            "import uuid",
+            "from django.db import models",
+            "",
+        ]
+
+    def _generate_text_choices(self, enum_def: EnumDefinition) -> List[str]:
+        """Generate Django TextChoices from EnumDefinition."""
+        lines = [
+            f"class {enum_def.name}(models.TextChoices):",
+        ]
+        for name, value in enum_def.values:
+            label = name.replace("_", " ").title()
+            lines.append(f'    {name} = "{value}", "{label}"')
+        return lines
+
+    def _generate_model_from_definition(self, model_def: ModelDefinition) -> List[str]:
+        """Generate Django model from ModelDefinition."""
+        docstring = model_def.docstring or model_def.name
+        lines = [
+            f"class {model_def.name}(models.Model):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+            "",
+        ]
+
+        for field in model_def.fields:
+            django_field = self._resolve_field_type(
+                field.name, field.type_hint, field.default, field.optional
+            )
+            lines.append(f"    {field.name} = {django_field}")
+
+        # Add Meta and __str__
+        lines.extend(
+            [
+                "",
+                "    class Meta:",
+                '        ordering = ["-created_at"]'
+                if any(f.name == "created_at" for f in model_def.fields)
+                else "        pass",
+                "",
+                "    def __str__(self):",
+            ]
+        )
+
+        # Determine __str__ return
+        field_names = [f.name for f in model_def.fields]
+        if "filename" in field_names:
+            lines.append("        return self.filename")
+        elif "name" in field_names:
+            lines.append("        return self.name")
+        else:
+            lines.append("        return str(self.id)")
+
+        return lines
+
+    def _generate_model_from_dataclass(self, cls: type) -> List[str]:
+        """Generate Django model from a dataclass (MPR style)."""
+        docstring = cls.__doc__ or cls.__name__
+        lines = [
+            f"class {cls.__name__}(models.Model):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+            "",
+        ]
+
+        hints = get_type_hints(cls)
+        fields = {f.name: f for f in dc.fields(cls)}
+
+        # Check for enums and add Status inner class if needed
+        for type_hint in hints.values():
+            base, _ = unwrap_optional(type_hint)
+            if isinstance(base, type) and issubclass(base, Enum):
+                lines.append("    class Status(models.TextChoices):")
+                for member in base:
+                    label = member.name.replace("_", " ").title()
+                    lines.append(f'        {member.name} = "{member.value}", "{label}"')
+                lines.append("")
+                break
+
+        # Generate fields
+        for name, type_hint in hints.items():
+            if name.startswith("_"):
+                continue
+            field = fields.get(name)
+            default = dc.MISSING
+            if field and field.default is not dc.MISSING:
+                default = field.default
+            django_field = self._resolve_field_type(name, type_hint, default, False)
+            lines.append(f"    {name} = {django_field}")
+
+        # Add Meta and __str__
+        lines.extend(
+            [
+                "",
+                "    class Meta:",
+                '        ordering = ["-created_at"]'
+                if "created_at" in hints
+                else "        pass",
+                "",
+                "    def __str__(self):",
+            ]
+        )
+
+        if "filename" in hints:
+            lines.append("        return self.filename")
+        elif "name" in hints:
+            lines.append("        return self.name")
+        else:
+            lines.append("        return str(self.id)")
+
+        return lines
+
+    def _resolve_field_type(
+        self, name: str, type_hint: Any, default: Any, optional: bool
+    ) -> str:
+        """Resolve Python type to Django field."""
+        # Special fields
+        if name in DJANGO_SPECIAL:
+            return DJANGO_SPECIAL[name]
+
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+        opts = format_opts(optional)
+
+        # Container types
+        if origin == "dict":
+            return DJANGO_TYPES["dict"]
+        if origin == "list":
+            return DJANGO_TYPES["list"]
+
+        # UUID / datetime
+        if type_name == "UUID":
+            return DJANGO_TYPES["UUID"].format(opts=opts)
+        if type_name == "datetime":
+            return DJANGO_TYPES["datetime"].format(opts=opts)
+
+        # Enum
+        if isinstance(base, type) and issubclass(base, Enum):
+            extra = []
+            if optional:
+                extra.append("null=True, blank=True")
+            if default is not dc.MISSING and isinstance(default, Enum):
+                extra.append(f"default=Status.{default.name}")
+            return DJANGO_TYPES["enum"].format(
+                opts=", " + ", ".join(extra) if extra else ""
+            )
+
+        # Text fields (based on name heuristics)
+        if base is str and any(
+            x in name for x in ("message", "comments", "description")
+        ):
+            return DJANGO_TYPES["text"]
+
+        # BigInt fields
+        if base is int and name in ("file_size", "bitrate"):
+            return DJANGO_TYPES["bigint"].format(opts=opts)
+
+        # String with max_length
+        if base is str:
+            max_length = 1000 if "path" in name else 500 if "filename" in name else 255
+            return DJANGO_TYPES[str].format(
+                max_length=max_length, opts=", " + opts if opts else ""
+            )
+
+        # Integer
+        if base is int:
+            extra = [opts] if opts else []
+            if default is not dc.MISSING and not callable(default):
+                extra.append(f"default={default}")
+            return DJANGO_TYPES[int].format(opts=", ".join(extra))
+
+        # Float
+        if base is float:
+            extra = [opts] if opts else []
+            if default is not dc.MISSING and not callable(default):
+                extra.append(f"default={default}")
+            return DJANGO_TYPES[float].format(opts=", ".join(extra))
+
+        # Boolean
+        if base is bool:
+            default_val = default if default is not dc.MISSING else False
+            return DJANGO_TYPES[bool].format(default=default_val)
+
+        # Fallback to CharField
+        return DJANGO_TYPES[str].format(
+            max_length=255, opts=", " + opts if opts else ""
+        )

tools/modelgen/generator/prisma.py

@@ -0,0 +1,173 @@
+"""
+Prisma Generator
+
+Generates Prisma schema from model definitions.
+"""
+
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, ModelDefinition
+from ..types import PRISMA_SPECIAL, PRISMA_TYPES
+from .base import BaseGenerator
+
+
+class PrismaGenerator(BaseGenerator):
+    """Generates Prisma schema files."""
+
+    def file_extension(self) -> str:
+        return ".prisma"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate Prisma schema to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "models"):
+            # SchemaLoader
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header()
+
+        # Generate enums
+        for enum_def in enums:
+            lines.extend(self._generate_enum(enum_def))
+            lines.append("")
+
+        # Generate models
+        for model_def in models:
+            lines.extend(self._generate_model_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        # Collect and generate enums first
+        enums_generated = set()
+        for cls in dataclasses:
+            hints = get_type_hints(cls)
+            for type_hint in hints.values():
+                base, _ = unwrap_optional(type_hint)
+                if isinstance(base, type) and issubclass(base, Enum):
+                    if base.__name__ not in enums_generated:
+                        lines.extend(self._generate_enum_from_python(base))
+                        lines.append("")
+                        enums_generated.add(base.__name__)
+
+        # Generate models
+        for cls in dataclasses:
+            lines.extend(self._generate_model_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header with datasource and generator."""
+        return [
+            "// Prisma Schema - GENERATED FILE",
+            "//",
+            "// Do not edit directly. Regenerate using modelgen.",
+            "",
+            "generator client {",
+            '  provider = "prisma-client-py"',
+            "}",
+            "",
+            "datasource db {",
+            '  provider = "postgresql"',
+            '  url      = env("DATABASE_URL")',
+            "}",
+            "",
+        ]
+
+    def _generate_enum(self, enum_def: EnumDefinition) -> List[str]:
+        """Generate Prisma enum from EnumDefinition."""
+        lines = [f"enum {enum_def.name} {{"]
+        for name, _ in enum_def.values:
+            lines.append(f"  {name}")
+        lines.append("}")
+        return lines
+
+    def _generate_enum_from_python(self, enum_cls: type) -> List[str]:
+        """Generate Prisma enum from Python Enum."""
+        lines = [f"enum {enum_cls.__name__} {{"]
+        for member in enum_cls:
+            lines.append(f"  {member.name}")
+        lines.append("}")
+        return lines
+
+    def _generate_model_from_definition(self, model_def: ModelDefinition) -> List[str]:
+        """Generate Prisma model from ModelDefinition."""
+        lines = [f"model {model_def.name} {{"]
+
+        for field in model_def.fields:
+            prisma_type = self._resolve_type(
+                field.name, field.type_hint, field.optional
+            )
+            lines.append(f"  {field.name} {prisma_type}")
+
+        lines.append("}")
+        return lines
+
+    def _generate_model_from_dataclass(self, cls: type) -> List[str]:
+        """Generate Prisma model from a dataclass."""
+        lines = [f"model {cls.__name__} {{"]
+
+        for name, type_hint in get_type_hints(cls).items():
+            if name.startswith("_"):
+                continue
+            prisma_type = self._resolve_type(name, type_hint, False)
+            lines.append(f"  {name} {prisma_type}")
+
+        lines.append("}")
+        return lines
+
+    def _resolve_type(self, name: str, type_hint: Any, optional: bool) -> str:
+        """Resolve Python type to Prisma type string."""
+        # Special fields
+        if name in PRISMA_SPECIAL:
+            return PRISMA_SPECIAL[name]
+
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+
+        # Container types
+        if origin == "dict" or origin == "list":
+            result = PRISMA_TYPES.get(origin, "Json")
+            return f"{result}?" if optional else result
+
+        # UUID / datetime
+        if type_name in ("UUID", "datetime"):
+            result = PRISMA_TYPES.get(type_name, "String")
+            return f"{result}?" if optional else result
+
+        # Enum
+        if isinstance(base, type) and issubclass(base, Enum):
+            result = base.__name__
+            return f"{result}?" if optional else result
+
+        # Basic types
+        result = PRISMA_TYPES.get(base, "String")
+        return f"{result}?" if optional else result

tools/modelgen/generator/protobuf.py

@@ -0,0 +1,168 @@
+"""
+Protobuf Generator
+
+Generates Protocol Buffer definitions from model definitions.
+"""
+
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, unwrap_optional
+from ..loader.schema import GrpcServiceDefinition, ModelDefinition
+from ..types import PROTO_RESOLVERS
+from .base import BaseGenerator
+
+
+class ProtobufGenerator(BaseGenerator):
+    """Generates Protocol Buffer definition files."""
+
+    def file_extension(self) -> str:
+        return ".proto"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate protobuf definitions to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "grpc_messages"):
+            # SchemaLoader with gRPC definitions
+            content = self._generate_from_loader(models)
+        elif isinstance(models, tuple) and len(models) >= 3:
+            # (messages, service_def) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_loader(self, loader) -> str:
+        """Generate from SchemaLoader."""
+        messages = loader.grpc_messages
+        service = loader.grpc_service
+
+        lines = self._generate_header(
+            service.package if service else "service",
+            service.name if service else "Service",
+            service.methods if service else [],
+        )
+
+        for model_def in messages:
+            lines.extend(self._generate_message_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_definitions(
+        self, messages: List[ModelDefinition], service: GrpcServiceDefinition
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header(service.package, service.name, service.methods)
+
+        for model_def in messages:
+            lines.extend(self._generate_message_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header("service", "Service", [])
+
+        for cls in dataclasses:
+            lines.extend(self._generate_message_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(
+        self, package: str, service_name: str, methods: List[dict]
+    ) -> List[str]:
+        """Generate file header with service definition."""
+        lines = [
+            "// Protocol Buffer Definitions - GENERATED FILE",
+            "//",
+            "// Do not edit directly. Regenerate using modelgen.",
+            "",
+            'syntax = "proto3";',
+            "",
+            f"package {package};",
+            "",
+        ]
+
+        if methods:
+            lines.append(f"service {service_name} {{")
+            for m in methods:
+                req = (
+                    m["request"].__name__
+                    if hasattr(m["request"], "__name__")
+                    else str(m["request"])
+                )
+                resp = (
+                    m["response"].__name__
+                    if hasattr(m["response"], "__name__")
+                    else str(m["response"])
+                )
+                returns = f"stream {resp}" if m.get("stream_response") else resp
+                lines.append(f"    rpc {m['name']}({req}) returns ({returns});")
+            lines.extend(["}", ""])
+
+        return lines
+
+    def _generate_message_from_definition(
+        self, model_def: ModelDefinition
+    ) -> List[str]:
+        """Generate proto message from ModelDefinition."""
+        lines = [f"message {model_def.name} {{"]
+
+        if not model_def.fields:
+            lines.append("    // Empty")
+        else:
+            for i, field in enumerate(model_def.fields, 1):
+                proto_type, optional = self._resolve_type(field.type_hint)
+                prefix = (
+                    "optional "
+                    if optional and not proto_type.startswith("repeated")
+                    else ""
+                )
+                lines.append(f"    {prefix}{proto_type} {field.name} = {i};")
+
+        lines.append("}")
+        return lines
+
+    def _generate_message_from_dataclass(self, cls: type) -> List[str]:
+        """Generate proto message from a dataclass."""
+        lines = [f"message {cls.__name__} {{"]
+
+        hints = get_type_hints(cls)
+        if not hints:
+            lines.append("    // Empty")
+        else:
+            for i, (name, type_hint) in enumerate(hints.items(), 1):
+                proto_type, optional = self._resolve_type(type_hint)
+                prefix = (
+                    "optional "
+                    if optional and not proto_type.startswith("repeated")
+                    else ""
+                )
+                lines.append(f"    {prefix}{proto_type} {name} = {i};")
+
+        lines.append("}")
+        return lines
+
+    def _resolve_type(self, type_hint: Any) -> tuple[str, bool]:
+        """Resolve Python type to proto type. Returns (type, is_optional)."""
+        base, optional = unwrap_optional(type_hint)
+        origin = get_origin_name(base)
+
+        # Look up resolver
+        resolver = PROTO_RESOLVERS.get(origin) or PROTO_RESOLVERS.get(base)
+
+        if resolver:
+            result = resolver(base)
+            is_repeated = result.startswith("repeated")
+            return result, optional and not is_repeated
+
+        return "string", optional

tools/modelgen/generator/pydantic.py

@@ -0,0 +1,427 @@
+"""
+Pydantic Generator
+
+Generates Pydantic BaseModel classes from model definitions.
+"""
+
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, FieldDefinition, ModelDefinition
+from ..types import PYDANTIC_RESOLVERS
+from .base import BaseGenerator
+
+
+class PydanticGenerator(BaseGenerator):
+    """Generates Pydantic model files."""
+
+    def file_extension(self) -> str:
+        return ".py"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate Pydantic models to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Detect input type and generate accordingly
+        if hasattr(models, "get_shared_component"):
+            # ConfigLoader (soleprint config)
+            content = self._generate_from_config(models)
+        elif hasattr(models, "models"):
+            # SchemaLoader
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple from extractor
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects (schema/extract mode)."""
+        lines = self._generate_header()
+
+        # Generate enums
+        for enum_def in enums:
+            lines.extend(self._generate_enum(enum_def))
+            lines.append("")
+
+        # Generate models
+        for model_def in models:
+            lines.extend(self._generate_model_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        # Collect and generate enums first
+        enums_generated = set()
+        for cls in dataclasses:
+            hints = get_type_hints(cls)
+            for type_hint in hints.values():
+                base, _ = unwrap_optional(type_hint)
+                if isinstance(base, type) and issubclass(base, Enum):
+                    if base.__name__ not in enums_generated:
+                        lines.extend(self._generate_enum_from_python(base))
+                        lines.append("")
+                        enums_generated.add(base.__name__)
+
+        # Generate models
+        for cls in dataclasses:
+            lines.extend(self._generate_model_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header."""
+        return [
+            '"""',
+            "Pydantic Models - GENERATED FILE",
+            "",
+            "Do not edit directly. Regenerate using modelgen.",
+            '"""',
+            "",
+            "from datetime import datetime",
+            "from enum import Enum",
+            "from typing import Any, Dict, List, Optional",
+            "from uuid import UUID",
+            "",
+            "from pydantic import BaseModel, Field",
+            "",
+        ]
+
+    def _generate_enum(self, enum_def: EnumDefinition) -> List[str]:
+        """Generate Pydantic enum from EnumDefinition."""
+        lines = [f"class {enum_def.name}(str, Enum):"]
+        for name, value in enum_def.values:
+            lines.append(f'    {name} = "{value}"')
+        return lines
+
+    def _generate_enum_from_python(self, enum_cls: type) -> List[str]:
+        """Generate Pydantic enum from Python Enum."""
+        lines = [f"class {enum_cls.__name__}(str, Enum):"]
+        for member in enum_cls:
+            lines.append(f'    {member.name} = "{member.value}"')
+        return lines
+
+    def _generate_model_from_definition(self, model_def: ModelDefinition) -> List[str]:
+        """Generate Pydantic model from ModelDefinition."""
+        docstring = model_def.docstring or model_def.name
+        lines = [
+            f"class {model_def.name}(BaseModel):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+        ]
+
+        if not model_def.fields:
+            lines.append("    pass")
+        else:
+            for field in model_def.fields:
+                py_type = self._resolve_type(field.type_hint, field.optional)
+                default = self._format_default(field.default, field.optional)
+                lines.append(f"    {field.name}: {py_type}{default}")
+
+        return lines
+
+    def _generate_model_from_dataclass(self, cls: type) -> List[str]:
+        """Generate Pydantic model from a dataclass."""
+        import dataclasses as dc
+
+        docstring = cls.__doc__ or cls.__name__
+        lines = [
+            f"class {cls.__name__}(BaseModel):",
+            f'    """{docstring.strip().split(chr(10))[0]}"""',
+        ]
+
+        hints = get_type_hints(cls)
+        fields = {f.name: f for f in dc.fields(cls)}
+
+        for name, type_hint in hints.items():
+            if name.startswith("_"):
+                continue
+
+            field = fields.get(name)
+            default_val = dc.MISSING
+            if field:
+                if field.default is not dc.MISSING:
+                    default_val = field.default
+
+            py_type = self._resolve_type(type_hint, False)
+            default = self._format_default(default_val, "Optional" in py_type)
+            lines.append(f"    {name}: {py_type}{default}")
+
+        return lines
+
+    def _resolve_type(self, type_hint: Any, optional: bool) -> str:
+        """Resolve Python type to Pydantic type string."""
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+
+        # Look up resolver
+        resolver = (
+            PYDANTIC_RESOLVERS.get(origin)
+            or PYDANTIC_RESOLVERS.get(type_name)
+            or PYDANTIC_RESOLVERS.get(base)
+            or (
+                PYDANTIC_RESOLVERS["enum"]
+                if isinstance(base, type) and issubclass(base, Enum)
+                else None
+            )
+        )
+
+        result = resolver(base) if resolver else "str"
+        return f"Optional[{result}]" if optional else result
+
+    def _format_default(self, default: Any, optional: bool) -> str:
+        """Format default value for field."""
+        import dataclasses as dc
+
+        if optional:
+            return " = None"
+        if default is dc.MISSING or default is None:
+            return ""
+        if isinstance(default, str):
+            return f' = "{default}"'
+        if isinstance(default, Enum):
+            return f" = {default.__class__.__name__}.{default.name}"
+        if callable(default):
+            return " = Field(default_factory=list)" if "list" in str(default) else ""
+        return f" = {default!r}"
+
+    def _generate_from_config(self, config) -> str:
+        """Generate from ConfigLoader (soleprint config.json mode)."""
+        # Get component names from config
+        config_comp = config.get_shared_component("config")
+        data_comp = config.get_shared_component("data")
+
+        data_flow_sys = config.get_system("data_flow")
+        doc_sys = config.get_system("documentation")
+        exec_sys = config.get_system("execution")
+
+        connector_comp = config.get_component("data_flow", "connector")
+        pulse_comp = config.get_component("data_flow", "composed")
+
+        pattern_comp = config.get_component("documentation", "pattern")
+        doc_composed = config.get_component("documentation", "composed")
+
+        tool_comp = config.get_component("execution", "utility")
+        monitor_comp = config.get_component("execution", "watcher")
+        cabinet_comp = config.get_component("execution", "container")
+        exec_composed = config.get_component("execution", "composed")
+
+        return f'''"""
+Pydantic models - Generated from {config.framework.name}.config.json
+
+DO NOT EDIT MANUALLY - Regenerate from config
+"""
+
+from enum import Enum
+from typing import List, Literal, Optional
+
+from pydantic import BaseModel, Field
+
+
+class Status(str, Enum):
+    PENDING = "pending"
+    PLANNED = "planned"
+    BUILDING = "building"
+    DEV = "dev"
+    LIVE = "live"
+    READY = "ready"
+
+
+class System(str, Enum):
+    {data_flow_sys.name.upper()} = "{data_flow_sys.name}"
+    {doc_sys.name.upper()} = "{doc_sys.name}"
+    {exec_sys.name.upper()} = "{exec_sys.name}"
+
+
+class ToolType(str, Enum):
+    APP = "app"
+    CLI = "cli"
+
+
+# === Shared Components ===
+
+
+class {config_comp.title}(BaseModel):
+    """{config_comp.description}. Shared across {data_flow_sys.name}, {exec_sys.name}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    config_path: Optional[str] = None
+
+
+class {data_comp.title}(BaseModel):
+    """{data_comp.description}. Shared across all systems."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    source_template: Optional[str] = None
+    data_path: Optional[str] = None
+
+
+# === System-Specific Components ===
+
+
+class {connector_comp.title}(BaseModel):
+    """{connector_comp.description} ({data_flow_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    system: Literal["{data_flow_sys.name}"] = "{data_flow_sys.name}"
+    mock: Optional[bool] = None
+    description: Optional[str] = None
+
+
+class {pattern_comp.title}(BaseModel):
+    """{pattern_comp.description} ({doc_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    template_path: Optional[str] = None
+    system: Literal["{doc_sys.name}"] = "{doc_sys.name}"
+
+
+class {tool_comp.title}(BaseModel):
+    """{tool_comp.description} ({exec_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+    type: Optional[ToolType] = None
+    description: Optional[str] = None
+    path: Optional[str] = None
+    url: Optional[str] = None
+    cli: Optional[str] = None
+
+
+class {monitor_comp.title}(BaseModel):
+    """{monitor_comp.description} ({exec_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+
+
+class {cabinet_comp.title}(BaseModel):
+    """{cabinet_comp.description} ({exec_sys.name})."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    tools: List[{tool_comp.title}] = Field(default_factory=list)
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+
+
+# === Composed Types ===
+
+
+class {pulse_comp.title}(BaseModel):
+    """{pulse_comp.description} ({data_flow_sys.name}). Formula: {pulse_comp.formula}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    {connector_comp.name}: Optional[{connector_comp.title}] = None
+    {config_comp.name}: Optional[{config_comp.title}] = None
+    {data_comp.name}: Optional[{data_comp.title}] = None
+    system: Literal["{data_flow_sys.name}"] = "{data_flow_sys.name}"
+
+
+class {doc_composed.title}(BaseModel):
+    """{doc_composed.description} ({doc_sys.name}). Formula: {doc_composed.formula}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    template: Optional[{pattern_comp.title}] = None
+    {data_comp.name}: Optional[{data_comp.title}] = None
+    output_{data_comp.name}: Optional[{data_comp.title}] = None
+    system: Literal["{doc_sys.name}"] = "{doc_sys.name}"
+
+
+class {exec_composed.title}(BaseModel):
+    """{exec_composed.description} ({exec_sys.name}). Formula: {exec_composed.formula}."""
+
+    name: str  # Unique identifier
+    slug: str  # URL-friendly identifier
+    title: str  # Display title for UI
+    status: Optional[Status] = None
+    cabinet: Optional[{cabinet_comp.title}] = None
+    {config_comp.name}: Optional[{config_comp.title}] = None
+    {data_comp.plural}: List[{data_comp.title}] = Field(default_factory=list)
+    system: Literal["{exec_sys.name}"] = "{exec_sys.name}"
+
+
+# === Collection wrappers for JSON files ===
+
+
+class {config_comp.title}Collection(BaseModel):
+    items: List[{config_comp.title}] = Field(default_factory=list)
+
+
+class {data_comp.title}Collection(BaseModel):
+    items: List[{data_comp.title}] = Field(default_factory=list)
+
+
+class {connector_comp.title}Collection(BaseModel):
+    items: List[{connector_comp.title}] = Field(default_factory=list)
+
+
+class {pattern_comp.title}Collection(BaseModel):
+    items: List[{pattern_comp.title}] = Field(default_factory=list)
+
+
+class {tool_comp.title}Collection(BaseModel):
+    items: List[{tool_comp.title}] = Field(default_factory=list)
+
+
+class {monitor_comp.title}Collection(BaseModel):
+    items: List[{monitor_comp.title}] = Field(default_factory=list)
+
+
+class {cabinet_comp.title}Collection(BaseModel):
+    items: List[{cabinet_comp.title}] = Field(default_factory=list)
+
+
+class {pulse_comp.title}Collection(BaseModel):
+    items: List[{pulse_comp.title}] = Field(default_factory=list)
+
+
+class {doc_composed.title}Collection(BaseModel):
+    items: List[{doc_composed.title}] = Field(default_factory=list)
+
+
+class {exec_composed.title}Collection(BaseModel):
+    items: List[{exec_composed.title}] = Field(default_factory=list)
+'''

tools/modelgen/generator/typescript.py

@@ -0,0 +1,144 @@
+"""
+TypeScript Generator
+
+Generates TypeScript interfaces from model definitions.
+"""
+
+from enum import Enum
+from pathlib import Path
+from typing import Any, List, get_type_hints
+
+from ..helpers import get_origin_name, get_type_name, unwrap_optional
+from ..loader.schema import EnumDefinition, FieldDefinition, ModelDefinition
+from ..types import TS_RESOLVERS
+from .base import BaseGenerator
+
+
+class TypeScriptGenerator(BaseGenerator):
+    """Generates TypeScript interface files."""
+
+    def file_extension(self) -> str:
+        return ".ts"
+
+    def generate(self, models, output_path: Path) -> None:
+        """Generate TypeScript types to output_path."""
+        output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        # Handle different input types
+        if hasattr(models, "models"):
+            # SchemaLoader
+            content = self._generate_from_definitions(
+                models.models, getattr(models, "enums", [])
+            )
+        elif isinstance(models, tuple):
+            # (models, enums) tuple
+            content = self._generate_from_definitions(models[0], models[1])
+        elif isinstance(models, list):
+            # List of dataclasses (MPR style)
+            content = self._generate_from_dataclasses(models)
+        else:
+            raise ValueError(f"Unsupported input type: {type(models)}")
+
+        output_path.write_text(content)
+
+    def _generate_from_definitions(
+        self, models: List[ModelDefinition], enums: List[EnumDefinition]
+    ) -> str:
+        """Generate from ModelDefinition objects."""
+        lines = self._generate_header()
+
+        # Generate enums as union types
+        for enum_def in enums:
+            values = " | ".join(f'"{v}"' for _, v in enum_def.values)
+            lines.append(f"export type {enum_def.name} = {values};")
+        lines.append("")
+
+        # Generate interfaces
+        for model_def in models:
+            lines.extend(self._generate_interface_from_definition(model_def))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_from_dataclasses(self, dataclasses: List[type]) -> str:
+        """Generate from Python dataclasses (MPR style)."""
+        lines = self._generate_header()
+
+        # Collect and generate enums first
+        enums_generated = set()
+        for cls in dataclasses:
+            hints = get_type_hints(cls)
+            for type_hint in hints.values():
+                base, _ = unwrap_optional(type_hint)
+                if isinstance(base, type) and issubclass(base, Enum):
+                    if base.__name__ not in enums_generated:
+                        values = " | ".join(f'"{m.value}"' for m in base)
+                        lines.append(f"export type {base.__name__} = {values};")
+                        enums_generated.add(base.__name__)
+        lines.append("")
+
+        # Generate interfaces
+        for cls in dataclasses:
+            lines.extend(self._generate_interface_from_dataclass(cls))
+            lines.append("")
+
+        return "\n".join(lines)
+
+    def _generate_header(self) -> List[str]:
+        """Generate file header."""
+        return [
+            "/**",
+            " * TypeScript Types - GENERATED FILE",
+            " *",
+            " * Do not edit directly. Regenerate using modelgen.",
+            " */",
+            "",
+        ]
+
+    def _generate_interface_from_definition(
+        self, model_def: ModelDefinition
+    ) -> List[str]:
+        """Generate TypeScript interface from ModelDefinition."""
+        lines = [f"export interface {model_def.name} {{"]
+
+        for field in model_def.fields:
+            ts_type = self._resolve_type(field.type_hint, field.optional)
+            lines.append(f"  {field.name}: {ts_type};")
+
+        lines.append("}")
+        return lines
+
+    def _generate_interface_from_dataclass(self, cls: type) -> List[str]:
+        """Generate TypeScript interface from a dataclass."""
+        lines = [f"export interface {cls.__name__} {{"]
+
+        for name, type_hint in get_type_hints(cls).items():
+            if name.startswith("_"):
+                continue
+            ts_type = self._resolve_type(type_hint, False)
+            lines.append(f"  {name}: {ts_type};")
+
+        lines.append("}")
+        return lines
+
+    def _resolve_type(self, type_hint: Any, optional: bool) -> str:
+        """Resolve Python type to TypeScript type string."""
+        base, is_optional = unwrap_optional(type_hint)
+        optional = optional or is_optional
+        origin = get_origin_name(base)
+        type_name = get_type_name(base)
+
+        # Look up resolver
+        resolver = (
+            TS_RESOLVERS.get(origin)
+            or TS_RESOLVERS.get(type_name)
+            or TS_RESOLVERS.get(base)
+            or (
+                TS_RESOLVERS["enum"]
+                if isinstance(base, type) and issubclass(base, Enum)
+                else None
+            )
+        )
+
+        result = resolver(base) if resolver else "string"
+        return f"{result} | null" if optional else result

tools/modelgen/helpers.py

@@ -0,0 +1,72 @@
+"""
+Type Helpers
+
+Utilities for type introspection and resolution.
+Used by generators and loaders.
+"""
+
+import dataclasses as dc
+from enum import Enum
+from typing import Any, Union, get_args, get_origin
+
+
+def unwrap_optional(type_hint: Any) -> tuple[Any, bool]:
+    """Unwrap Optional[T] -> (T, True) or (T, False) if not optional."""
+    origin = get_origin(type_hint)
+    if origin is Union:
+        args = [a for a in get_args(type_hint) if a is not type(None)]
+        return (args[0] if args else str, True)
+    return (type_hint, False)
+
+
+def get_origin_name(type_hint: Any) -> str | None:
+    """Get origin type name: 'dict', 'list', or None."""
+    origin = get_origin(type_hint)
+    if origin is dict:
+        return "dict"
+    if origin is list:
+        return "list"
+    return None
+
+
+def get_type_name(type_hint: Any) -> str | None:
+    """Get type name for special types like UUID, datetime."""
+    if hasattr(type_hint, "__name__"):
+        return type_hint.__name__
+    return None
+
+
+def get_list_inner(type_hint: Any) -> str:
+    """Get inner type of List[T]."""
+    args = get_args(type_hint)
+    if args and args[0] in (str, int, float, bool):
+        return {str: "str", int: "int", float: "float", bool: "bool"}[args[0]]
+    return "str"
+
+
+def get_field_default(field: dc.Field) -> Any:
+    """Get default value from dataclass field."""
+    if field.default is not dc.MISSING:
+        return field.default
+    return dc.MISSING
+
+
+def format_opts(optional: bool, extra: list[str] | None = None) -> str:
+    """Format field options string for Django."""
+    parts = []
+    if optional:
+        parts.append("null=True, blank=True")
+    if extra:
+        parts.extend(extra)
+    return ", ".join(parts)
+
+
+def is_enum(type_hint: Any) -> bool:
+    """Check if type is an Enum."""
+    base, _ = unwrap_optional(type_hint)
+    return isinstance(base, type) and issubclass(base, Enum)
+
+
+def get_enum_values(enum_class: type) -> list[tuple[str, str]]:
+    """Get list of (name, value) pairs from an Enum."""
+    return [(m.name, m.value) for m in enum_class]

tools/modelgen/loader/__init__.py

@@ -0,0 +1,37 @@
+"""
+Loader - Input source handlers for modelgen.
+
+Supported loaders:
+- ConfigLoader: Load from soleprint config.json
+- SchemaLoader: Load from Python dataclasses in schema/ folder
+- Extractors: Extract from existing codebases (Django, SQLAlchemy, Prisma)
+"""
+
+from .config import ConfigLoader, load_config
+from .extract import EXTRACTORS, BaseExtractor, DjangoExtractor
+from .schema import (
+    EnumDefinition,
+    FieldDefinition,
+    GrpcServiceDefinition,
+    ModelDefinition,
+    SchemaLoader,
+    load_schema,
+)
+
+__all__ = [
+    # Config loader
+    "ConfigLoader",
+    "load_config",
+    # Schema loader
+    "SchemaLoader",
+    "load_schema",
+    # Model definitions
+    "ModelDefinition",
+    "FieldDefinition",
+    "EnumDefinition",
+    "GrpcServiceDefinition",
+    # Extractors
+    "BaseExtractor",
+    "DjangoExtractor",
+    "EXTRACTORS",
+]

tools/modelgen/loader/config.py

@@ -0,0 +1,116 @@
+"""
+Configuration Loader
+
+Loads and validates framework configuration files (soleprint config.json style).
+"""
+
+import json
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+
+@dataclass
+class FrameworkConfig:
+    """Framework metadata"""
+
+    name: str
+    slug: str
+    version: str
+    description: str
+    tagline: str
+    icon: str
+    hub_port: int
+
+
+@dataclass
+class SystemConfig:
+    """System configuration"""
+
+    key: str
+    name: str
+    slug: str = ""
+    title: str = ""
+    tagline: str = ""
+    icon: str = ""
+
+
+@dataclass
+class ComponentConfig:
+    """Component configuration"""
+
+    name: str
+    title: str
+    description: str
+    plural: Optional[str] = None
+    formula: Optional[str] = None
+
+
+class ConfigLoader:
+    """Loads and parses framework configuration"""
+
+    def __init__(self, config_path: Path):
+        self.config_path = Path(config_path)
+        self.raw_config: Dict[str, Any] = {}
+        self.framework: Optional[FrameworkConfig] = None
+        self.systems: List[SystemConfig] = []
+        self.components: Dict[str, Dict[str, ComponentConfig]] = {}
+
+    def load(self) -> "ConfigLoader":
+        """Load configuration from file"""
+        with open(self.config_path) as f:
+            self.raw_config = json.load(f)
+
+        self._parse_framework()
+        self._parse_systems()
+        self._parse_components()
+
+        return self
+
+    def _parse_framework(self):
+        """Parse framework metadata"""
+        fw = self.raw_config["framework"]
+        self.framework = FrameworkConfig(**fw)
+
+    def _parse_systems(self):
+        """Parse system configurations"""
+        for sys in self.raw_config["systems"]:
+            self.systems.append(SystemConfig(**sys))
+
+    def _parse_components(self):
+        """Parse component configurations"""
+        comps = self.raw_config["components"]
+
+        # Shared components
+        self.components["shared"] = {}
+        for key, value in comps.get("shared", {}).items():
+            self.components["shared"][key] = ComponentConfig(**value)
+
+        # System-specific components
+        for system_key in ["data_flow", "documentation", "execution"]:
+            self.components[system_key] = {}
+            for comp_key, comp_value in comps.get(system_key, {}).items():
+                self.components[system_key][comp_key] = ComponentConfig(**comp_value)
+
+    def get_system(self, key: str) -> Optional[SystemConfig]:
+        """Get system config by key"""
+        for sys in self.systems:
+            if sys.key == key:
+                return sys
+        return None
+
+    def get_component(
+        self, system_key: str, component_key: str
+    ) -> Optional[ComponentConfig]:
+        """Get component config"""
+        return self.components.get(system_key, {}).get(component_key)
+
+    def get_shared_component(self, key: str) -> Optional[ComponentConfig]:
+        """Get shared component config"""
+        return self.components.get("shared", {}).get(key)
+
+
+def load_config(config_path: str | Path) -> ConfigLoader:
+    """Load and validate configuration file"""
+    loader = ConfigLoader(config_path)
+    return loader.load()

tools/modelgen/loader/extract/__init__.py

@@ -0,0 +1,20 @@
+"""
+Extractors - Extract model definitions from existing codebases.
+
+Supported frameworks:
+- Django: Extract from Django ORM models
+- SQLAlchemy: Extract from SQLAlchemy models (planned)
+- Prisma: Extract from Prisma schema (planned)
+"""
+
+from typing import Dict, Type
+
+from .base import BaseExtractor
+from .django import DjangoExtractor
+
+# Registry of available extractors
+EXTRACTORS: Dict[str, Type[BaseExtractor]] = {
+    "django": DjangoExtractor,
+}
+
+__all__ = ["BaseExtractor", "DjangoExtractor", "EXTRACTORS"]

tools/modelgen/loader/extract/base.py

@@ -0,0 +1,38 @@
+"""
+Base Extractor
+
+Abstract base class for model extractors.
+"""
+
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import List
+
+from ..schema import EnumDefinition, ModelDefinition
+
+
+class BaseExtractor(ABC):
+    """Abstract base for codebase model extractors."""
+
+    def __init__(self, source_path: Path):
+        self.source_path = Path(source_path)
+
+    @abstractmethod
+    def extract(self) -> tuple[List[ModelDefinition], List[EnumDefinition]]:
+        """
+        Extract model definitions from source codebase.
+
+        Returns:
+            Tuple of (models, enums)
+        """
+        pass
+
+    @abstractmethod
+    def detect(self) -> bool:
+        """
+        Detect if this extractor can handle the source path.
+
+        Returns:
+            True if this extractor can handle the source
+        """
+        pass

tools/modelgen/loader/extract/django.py

@@ -0,0 +1,237 @@
+"""
+Django Extractor
+
+Extracts model definitions from Django ORM models.
+"""
+
+import ast
+import sys
+from pathlib import Path
+from typing import Any, List, Optional
+
+from ..schema import EnumDefinition, FieldDefinition, ModelDefinition
+from .base import BaseExtractor
+
+# Django field type mappings to Python types
+DJANGO_FIELD_TYPES = {
+    "CharField": str,
+    "TextField": str,
+    "EmailField": str,
+    "URLField": str,
+    "SlugField": str,
+    "UUIDField": "UUID",
+    "IntegerField": int,
+    "BigIntegerField": "bigint",
+    "SmallIntegerField": int,
+    "PositiveIntegerField": int,
+    "FloatField": float,
+    "DecimalField": float,
+    "BooleanField": bool,
+    "NullBooleanField": bool,
+    "DateField": "datetime",
+    "DateTimeField": "datetime",
+    "TimeField": "datetime",
+    "JSONField": "dict",
+    "ForeignKey": "FK",
+    "OneToOneField": "FK",
+    "ManyToManyField": "M2M",
+}
+
+
+class DjangoExtractor(BaseExtractor):
+    """Extracts models from Django ORM."""
+
+    def detect(self) -> bool:
+        """Check if this is a Django project."""
+        # Look for manage.py or settings.py
+        manage_py = self.source_path / "manage.py"
+        settings_py = self.source_path / "settings.py"
+
+        if manage_py.exists():
+            return True
+
+        # Check for Django imports in any models.py
+        for models_file in self.source_path.rglob("models.py"):
+            content = models_file.read_text()
+            if "from django.db import models" in content:
+                return True
+
+        return settings_py.exists()
+
+    def extract(self) -> tuple[List[ModelDefinition], List[EnumDefinition]]:
+        """Extract Django models using AST parsing."""
+        models = []
+        enums = []
+
+        # Find all models.py files
+        for models_file in self.source_path.rglob("models.py"):
+            file_models, file_enums = self._extract_from_file(models_file)
+            models.extend(file_models)
+            enums.extend(file_enums)
+
+        return models, enums
+
+    def _extract_from_file(
+        self, file_path: Path
+    ) -> tuple[List[ModelDefinition], List[EnumDefinition]]:
+        """Extract models from a single models.py file."""
+        models = []
+        enums = []
+
+        content = file_path.read_text()
+        tree = ast.parse(content)
+
+        for node in ast.walk(tree):
+            if isinstance(node, ast.ClassDef):
+                # Check if it inherits from models.Model
+                if self._is_django_model(node):
+                    model_def = self._parse_model_class(node)
+                    if model_def:
+                        models.append(model_def)
+                # Check if it's a TextChoices/IntegerChoices enum
+                elif self._is_django_choices(node):
+                    enum_def = self._parse_choices_class(node)
+                    if enum_def:
+                        enums.append(enum_def)
+
+        return models, enums
+
+    def _is_django_model(self, node: ast.ClassDef) -> bool:
+        """Check if class inherits from models.Model."""
+        for base in node.bases:
+            if isinstance(base, ast.Attribute):
+                if base.attr == "Model":
+                    return True
+            elif isinstance(base, ast.Name):
+                if base.id in ("Model", "AbstractUser", "AbstractBaseUser"):
+                    return True
+        return False
+
+    def _is_django_choices(self, node: ast.ClassDef) -> bool:
+        """Check if class is a Django TextChoices/IntegerChoices."""
+        for base in node.bases:
+            if isinstance(base, ast.Attribute):
+                if base.attr in ("TextChoices", "IntegerChoices"):
+                    return True
+            elif isinstance(base, ast.Name):
+                if base.id in ("TextChoices", "IntegerChoices"):
+                    return True
+        return False
+
+    def _parse_model_class(self, node: ast.ClassDef) -> Optional[ModelDefinition]:
+        """Parse a Django model class into ModelDefinition."""
+        fields = []
+
+        for item in node.body:
+            if isinstance(item, ast.Assign):
+                field_def = self._parse_field_assignment(item)
+                if field_def:
+                    fields.append(field_def)
+            elif isinstance(item, ast.AnnAssign):
+                # Handle annotated assignments (Django 4.0+ style)
+                field_def = self._parse_annotated_field(item)
+                if field_def:
+                    fields.append(field_def)
+
+        # Get docstring
+        docstring = ast.get_docstring(node)
+
+        return ModelDefinition(
+            name=node.name,
+            fields=fields,
+            docstring=docstring,
+        )
+
+    def _parse_field_assignment(self, node: ast.Assign) -> Optional[FieldDefinition]:
+        """Parse a field assignment like: name = models.CharField(...)"""
+        if not node.targets or not isinstance(node.targets[0], ast.Name):
+            return None
+
+        field_name = node.targets[0].id
+
+        # Skip private fields and Meta class
+        if field_name.startswith("_") or field_name == "Meta":
+            return None
+
+        # Parse the field call
+        if isinstance(node.value, ast.Call):
+            return self._parse_field_call(field_name, node.value)
+
+        return None
+
+    def _parse_annotated_field(self, node: ast.AnnAssign) -> Optional[FieldDefinition]:
+        """Parse an annotated field assignment."""
+        if not isinstance(node.target, ast.Name):
+            return None
+
+        field_name = node.target.id
+
+        if field_name.startswith("_"):
+            return None
+
+        if node.value and isinstance(node.value, ast.Call):
+            return self._parse_field_call(field_name, node.value)
+
+        return None
+
+    def _parse_field_call(
+        self, field_name: str, call: ast.Call
+    ) -> Optional[FieldDefinition]:
+        """Parse a Django field call like models.CharField(max_length=100)."""
+        # Get field type name
+        field_type_name = None
+
+        if isinstance(call.func, ast.Attribute):
+            field_type_name = call.func.attr
+        elif isinstance(call.func, ast.Name):
+            field_type_name = call.func.id
+
+        if not field_type_name:
+            return None
+
+        # Map to Python type
+        python_type = DJANGO_FIELD_TYPES.get(field_type_name, str)
+
+        # Check for null=True
+        optional = False
+        default = None
+
+        for keyword in call.keywords:
+            if keyword.arg == "null":
+                if isinstance(keyword.value, ast.Constant):
+                    optional = keyword.value.value is True
+            elif keyword.arg == "default":
+                if isinstance(keyword.value, ast.Constant):
+                    default = keyword.value.value
+
+        return FieldDefinition(
+            name=field_name,
+            type_hint=python_type,
+            default=default if default is not None else None,
+            optional=optional,
+        )
+
+    def _parse_choices_class(self, node: ast.ClassDef) -> Optional[EnumDefinition]:
+        """Parse a Django TextChoices/IntegerChoices class."""
+        values = []
+
+        for item in node.body:
+            if isinstance(item, ast.Assign):
+                if item.targets and isinstance(item.targets[0], ast.Name):
+                    name = item.targets[0].id
+                    if name.isupper():  # Enum values are typically uppercase
+                        # Get the value
+                        value = name.lower()  # Default to lowercase name
+                        if isinstance(item.value, ast.Constant):
+                            value = str(item.value.value)
+                        elif isinstance(item.value, ast.Tuple) and item.value.elts:
+                            # TextChoices: NAME = "value", "Label"
+                            if isinstance(item.value.elts[0], ast.Constant):
+                                value = str(item.value.elts[0].value)
+
+                        values.append((name, value))
+
+        if not values:
+            return None
+
+        return EnumDefinition(name=node.name, values=values)

tools/modelgen/loader/schema.py

@@ -0,0 +1,169 @@
+"""
+Schema Loader
+
+Loads Python dataclasses from a schema/ folder.
+Expects the folder to have an __init__.py that exports:
+- DATACLASSES: List of dataclass types to generate
+- ENUMS: List of Enum types to include
+- GRPC_MESSAGES: (optional) List of gRPC message types
+- GRPC_SERVICE: (optional) gRPC service definition dict
+"""
+
+import dataclasses as dc
+import importlib.util
+import sys
+from dataclasses import dataclass
+from enum import Enum
+from pathlib import Path
+from typing import Any, Dict, List, Optional, Type, get_type_hints
+
+
+@dataclass
+class FieldDefinition:
+    """Represents a model field."""
+
+    name: str
+    type_hint: Any
+    default: Any = dc.MISSING
+    optional: bool = False
+
+
+@dataclass
+class ModelDefinition:
+    """Represents a model/dataclass."""
+
+    name: str
+    fields: List[FieldDefinition]
+    docstring: Optional[str] = None
+
+
+@dataclass
+class EnumDefinition:
+    """Represents an enum."""
+
+    name: str
+    values: List[tuple[str, str]]  # (name, value) pairs
+
+
+@dataclass
+class GrpcServiceDefinition:
+    """Represents a gRPC service."""
+
+    package: str
+    name: str
+    methods: List[Dict[str, Any]]
+
+
+class SchemaLoader:
+    """Loads model definitions from Python dataclasses in schema/ folder."""
+
+    def __init__(self, schema_path: Path):
+        self.schema_path = Path(schema_path)
+        self.models: List[ModelDefinition] = []
+        self.enums: List[EnumDefinition] = []
+        self.grpc_messages: List[ModelDefinition] = []
+        self.grpc_service: Optional[GrpcServiceDefinition] = None
+
+    def load(self) -> "SchemaLoader":
+        """Load schema definitions from the schema folder."""
+        init_path = self.schema_path / "__init__.py"
+
+        if not init_path.exists():
+            raise FileNotFoundError(f"Schema folder must have __init__.py: {init_path}")
+
+        # Import the schema module
+        module = self._import_module(init_path)
+
+        # Extract DATACLASSES
+        dataclasses = getattr(module, "DATACLASSES", [])
+        for cls in dataclasses:
+            self.models.append(self._parse_dataclass(cls))
+
+        # Extract ENUMS
+        enums = getattr(module, "ENUMS", [])
+        for enum_cls in enums:
+            self.enums.append(self._parse_enum(enum_cls))
+
+        # Extract GRPC_MESSAGES (optional)
+        grpc_messages = getattr(module, "GRPC_MESSAGES", [])
+        for cls in grpc_messages:
+            self.grpc_messages.append(self._parse_dataclass(cls))
+
+        # Extract GRPC_SERVICE (optional)
+        grpc_service = getattr(module, "GRPC_SERVICE", None)
+        if grpc_service:
+            self.grpc_service = GrpcServiceDefinition(
+                package=grpc_service.get("package", "service"),
+                name=grpc_service.get("name", "Service"),
+                methods=grpc_service.get("methods", []),
+            )
+
+        return self
+
+    def _import_module(self, path: Path):
+        """Import a Python module from a file path."""
+        spec = importlib.util.spec_from_file_location("schema", path)
+        if spec is None or spec.loader is None:
+            raise ImportError(f"Could not load module from {path}")
+
+        module = importlib.util.module_from_spec(spec)
+        sys.modules["schema"] = module
+        spec.loader.exec_module(module)
+        return module
+
+    def _parse_dataclass(self, cls: Type) -> ModelDefinition:
+        """Parse a dataclass into a ModelDefinition."""
+        hints = get_type_hints(cls)
+        fields_info = {f.name: f for f in dc.fields(cls)}
+
+        fields = []
+        for name, type_hint in hints.items():
+            if name.startswith("_"):
+                continue
+
+            field_info = fields_info.get(name)
+            default = dc.MISSING
+            if field_info:
+                if field_info.default is not dc.MISSING:
+                    default = field_info.default
+                elif field_info.default_factory is not dc.MISSING:
+                    default = field_info.default_factory
+
+            # Check if optional (Union with None)
+            optional = self._is_optional(type_hint)
+
+            fields.append(
+                FieldDefinition(
+                    name=name,
+                    type_hint=type_hint,
+                    default=default,
+                    optional=optional,
+                )
+            )
+
+        return ModelDefinition(
+            name=cls.__name__,
+            fields=fields,
+            docstring=cls.__doc__,
+        )
+
+    def _parse_enum(self, enum_cls: Type[Enum]) -> EnumDefinition:
+        """Parse an Enum into an EnumDefinition."""
+        values = [(m.name, m.value) for m in enum_cls]
+        return EnumDefinition(name=enum_cls.__name__, values=values)
+
+    def _is_optional(self, type_hint: Any) -> bool:
+        """Check if a type hint is Optional (Union with None)."""
+        from typing import Union, get_args, get_origin
+
+        origin = get_origin(type_hint)
+        if origin is Union:
+            args = get_args(type_hint)
+            return type(None) in args
+        return False
+
+
+def load_schema(schema_path: str | Path) -> SchemaLoader:
+    """Load schema definitions from folder."""
+    loader = SchemaLoader(schema_path)
+    return loader.load()

tools/modelgen/model_generator.py

@@ -0,0 +1,77 @@
+"""
+Model Generator
+
+Orchestrates model generation from various sources to various formats.
+Delegates to loaders for input and generators for output.
+"""
+
+from pathlib import Path
+from typing import Dict, Type
+
+from .generator import GENERATORS, BaseGenerator
+from .loader import ConfigLoader
+
+
+class ModelGenerator:
+    """
+    Generates typed models from configuration.
+
+    This is the main entry point for model generation.
+    Delegates to format-specific generators.
+    """
+
+    def __init__(
+        self,
+        config: ConfigLoader,
+        output_path: Path,
+        output_format: str = "pydantic",
+    ):
+        """
+        Initialize the generator.
+
+        Args:
+            config: Loaded configuration
+            output_path: Exact path where to write (file or directory depending on format)
+            output_format: Output format (pydantic, django, prisma, typescript, protobuf)
+        """
+        self.config = config
+        self.output_path = Path(output_path)
+        self.output_format = output_format
+
+        if output_format not in GENERATORS:
+            raise ValueError(
+                f"Unknown output format: {output_format}. "
+                f"Available: {list(GENERATORS.keys())}"
+            )
+
+        self.generator = GENERATORS[output_format]()
+
+    def generate(self) -> Path:
+        """
+        Generate models to the specified output path.
+
+        Returns:
+            Path to the generated file/directory
+        """
+        # Determine output file path
+        if self.output_path.suffix:
+            # User specified a file path
+            output_file = self.output_path
+        else:
+            # User specified a directory, add default filename
+            output_file = (
+                self.output_path / f"__init__{self.generator.file_extension()}"
+            )
+
+        self.generator.generate(self.config, output_file)
+        print(f"Generated {self.output_format} models: {output_file}")
+        return output_file
+
+    @classmethod
+    def available_formats(cls) -> list:
+        """Return list of available output formats."""
+        return list(GENERATORS.keys())
+
+
+# Re-export for backwards compatibility
+WRITERS = GENERATORS

tools/modelgen/types.py

@@ -0,0 +1,139 @@
+"""
+Type Dispatch Tables
+
+Type mappings for each output format.
+Used by generators to convert Python types to target framework types.
+"""
+
+from typing import Any, Callable, get_args
+
+# =============================================================================
+# Django Type Mappings
+# =============================================================================
+
+DJANGO_TYPES: dict[Any, str] = {
+    str: "models.CharField(max_length={max_length}{opts})",
+    int: "models.IntegerField({opts})",
+    float: "models.FloatField({opts})",
+    bool: "models.BooleanField(default={default})",
+    "UUID": "models.UUIDField({opts})",
+    "datetime": "models.DateTimeField({opts})",
+    "dict": "models.JSONField(default=dict, blank=True)",
+    "list": "models.JSONField(default=list, blank=True)",
+    "text": "models.TextField(blank=True, default='')",
+    "bigint": "models.BigIntegerField({opts})",
+    "enum": "models.CharField(max_length=20, choices=Status.choices{opts})",
+}
+
+DJANGO_SPECIAL: dict[str, str] = {
+    "id": "models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)",
+    "created_at": "models.DateTimeField(auto_now_add=True)",
+    "updated_at": "models.DateTimeField(auto_now=True)",
+}
+
+# =============================================================================
+# Pydantic Type Resolvers
+# =============================================================================
+
+
+def _get_list_inner(type_hint: Any) -> str:
+    """Get inner type of List[T] for Pydantic."""
+    args = get_args(type_hint)
+    if args and args[0] in (str, int, float, bool):
+        return {str: "str", int: "int", float: "float", bool: "bool"}[args[0]]
+    return "str"
+
+
+PYDANTIC_RESOLVERS: dict[Any, Callable[[Any], str]] = {
+    str: lambda _: "str",
+    int: lambda _: "int",
+    float: lambda _: "float",
+    bool: lambda _: "bool",
+    "UUID": lambda _: "UUID",
+    "datetime": lambda _: "datetime",
+    "dict": lambda _: "Dict[str, Any]",
+    "list": lambda base: f"List[{_get_list_inner(base)}]",
+    "enum": lambda base: base.__name__,
+}
+
+# =============================================================================
+# TypeScript Type Resolvers
+# =============================================================================
+
+
+def _resolve_ts_list(base: Any) -> str:
+    """Resolve TypeScript list type."""
+    args = get_args(base)
+    if args:
+        inner = args[0]
+        if inner is str:
+            return "string[]"
+        elif inner is int or inner is float:
+            return "number[]"
+        elif inner is bool:
+            return "boolean[]"
+    return "string[]"
+
+
+TS_RESOLVERS: dict[Any, Callable[[Any], str]] = {
+    str: lambda _: "string",
+    int: lambda _: "number",
+    float: lambda _: "number",
+    bool: lambda _: "boolean",
+    "UUID": lambda _: "string",
+    "datetime": lambda _: "string",
+    "dict": lambda _: "Record<string, unknown>",
+    "list": _resolve_ts_list,
+    "enum": lambda base: base.__name__,
+}
+
+# =============================================================================
+# Protobuf Type Resolvers
+# =============================================================================
+
+
+def _resolve_proto_list(base: Any) -> str:
+    """Resolve Protobuf repeated type."""
+    args = get_args(base)
+    if args:
+        inner = args[0]
+        if inner is str:
+            return "repeated string"
+        elif inner is int:
+            return "repeated int32"
+        elif inner is float:
+            return "repeated float"
+        elif inner is bool:
+            return "repeated bool"
+    return "repeated string"
+
+
+PROTO_RESOLVERS: dict[Any, Callable[[Any], str]] = {
+    str: lambda _: "string",
+    int: lambda _: "int32",
+    float: lambda _: "float",
+    bool: lambda _: "bool",
+    "list": _resolve_proto_list,
+}
+
+# =============================================================================
+# Prisma Type Mappings
+# =============================================================================
+
+PRISMA_TYPES: dict[Any, str] = {
+    str: "String",
+    int: "Int",
+    float: "Float",
+    bool: "Boolean",
+    "UUID": "String @default(uuid())",
+    "datetime": "DateTime",
+    "dict": "Json",
+    "list": "Json",
+    "bigint": "BigInt",
+}
+
+PRISMA_SPECIAL: dict[str, str] = {
+    "id": "String @id @default(uuid())",
+    "created_at": "DateTime @default(now())",
+    "updated_at": "DateTime @updatedAt",
+}

tools/modelgen/writer/__init__.py

@@ -0,0 +1,7 @@
+"""
+Writer - File writing utilities for modelgen.
+"""
+
+from .file import write_file, write_multiple
+
+__all__ = ["write_file", "write_multiple"]

tools/modelgen/writer/file.py

@@ -0,0 +1,30 @@
+"""
+File Writer
+
+Utilities for writing generated files to disk.
+"""
+
+from pathlib import Path
+from typing import Dict
+
+
+def write_file(path: Path, content: str) -> None:
+    """Write content to file, creating directories as needed."""
+    path = Path(path)
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(content)
+
+
+def write_multiple(directory: Path, files: Dict[str, str]) -> None:
+    """Write multiple files to a directory.
+
+    Args:
+        directory: Target directory
+        files: Dict mapping filename to content
+    """
+    directory = Path(directory)
+    directory.mkdir(parents=True, exist_ok=True)
+
+    for filename, content in files.items():
+        file_path = directory / filename
+        file_path.write_text(content)

tools/types.py

@@ -0,0 +1,139 @@
+"""
+Type Dispatch Tables
+
+Type mappings for each output format.
+Used by generators to convert Python types to target framework types.
+"""
+
+from typing import Any, Callable, get_args
+
+# =============================================================================
+# Django Type Mappings
+# =============================================================================
+
+DJANGO_TYPES: dict[Any, str] = {
+    str: "models.CharField(max_length={max_length}{opts})",
+    int: "models.IntegerField({opts})",
+    float: "models.FloatField({opts})",
+    bool: "models.BooleanField(default={default})",
+    "UUID": "models.UUIDField({opts})",
+    "datetime": "models.DateTimeField({opts})",
+    "dict": "models.JSONField(default=dict, blank=True)",
+    "list": "models.JSONField(default=list, blank=True)",
+    "text": "models.TextField(blank=True, default='')",
+    "bigint": "models.BigIntegerField({opts})",
+    "enum": "models.CharField(max_length=20, choices=Status.choices{opts})",
+}
+
+DJANGO_SPECIAL: dict[str, str] = {
+    "id": "models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)",
+    "created_at": "models.DateTimeField(auto_now_add=True)",
+    "updated_at": "models.DateTimeField(auto_now=True)",
+}
+
+# =============================================================================
+# Pydantic Type Resolvers
+# =============================================================================
+
+
+def _get_list_inner(type_hint: Any) -> str:
+    """Get inner type of List[T] for Pydantic."""
+    args = get_args(type_hint)
+    if args and args[0] in (str, int, float, bool):
+        return {str: "str", int: "int", float: "float", bool: "bool"}[args[0]]
+    return "str"
+
+
+PYDANTIC_RESOLVERS: dict[Any, Callable[[Any], str]] = {
+    str: lambda _: "str",
+    int: lambda _: "int",
+    float: lambda _: "float",
+    bool: lambda _: "bool",
+    "UUID": lambda _: "UUID",
+    "datetime": lambda _: "datetime",
+    "dict": lambda _: "Dict[str, Any]",
+    "list": lambda base: f"List[{_get_list_inner(base)}]",
+    "enum": lambda base: base.__name__,
+}
+
+# =============================================================================
+# TypeScript Type Resolvers
+# =============================================================================
+
+
+def _resolve_ts_list(base: Any) -> str:
+    """Resolve TypeScript list type."""
+    args = get_args(base)
+    if args:
+        inner = args[0]
+        if inner is str:
+            return "string[]"
+        elif inner is int or inner is float:
+            return "number[]"
+        elif inner is bool:
+            return "boolean[]"
+    return "string[]"
+
+
+TS_RESOLVERS: dict[Any, Callable[[Any], str]] = {
+    str: lambda _: "string",
+    int: lambda _: "number",
+    float: lambda _: "number",
+    bool: lambda _: "boolean",
+    "UUID": lambda _: "string",
+    "datetime": lambda _: "string",
+    "dict": lambda _: "Record<string, unknown>",
+    "list": _resolve_ts_list,
+    "enum": lambda base: base.__name__,
+}
+
+# =============================================================================
+# Protobuf Type Resolvers
+# =============================================================================
+
+
+def _resolve_proto_list(base: Any) -> str:
+    """Resolve Protobuf repeated type."""
+    args = get_args(base)
+    if args:
+        inner = args[0]
+        if inner is str:
+            return "repeated string"
+        elif inner is int:
+            return "repeated int32"
+        elif inner is float:
+            return "repeated float"
+        elif inner is bool:
+            return "repeated bool"
+    return "repeated string"
+
+
+PROTO_RESOLVERS: dict[Any, Callable[[Any], str]] = {
+    str: lambda _: "string",
+    int: lambda _: "int32",
+    float: lambda _: "float",
+    bool: lambda _: "bool",
+    "list": _resolve_proto_list,
+}
+
+# =============================================================================
+# Prisma Type Mappings
+# =============================================================================
+
+PRISMA_TYPES: dict[Any, str] = {
+    str: "String",
+    int: "Int",
+    float: "Float",
+    bool: "Boolean",
+    "UUID": "String @default(uuid())",
+    "datetime": "DateTime",
+    "dict": "Json",
+    "list": "Json",
+    "bigint": "BigInt",
+}
+
+PRISMA_SPECIAL: dict[str, str] = {
+    "id": "String @id @default(uuid())",
+    "created_at": "DateTime @default(now())",
+    "updated_at": "DateTime @updatedAt",
+}

tools/writer/__init__.py

@@ -0,0 +1,7 @@
+"""
+Writer - File writing utilities for modelgen.
+"""
+
+from .file import write_file, write_multiple
+
+__all__ = ["write_file", "write_multiple"]

tools/writer/file.py

@@ -0,0 +1,30 @@
+"""
+File Writer
+
+Utilities for writing generated files to disk.
+"""
+
+from pathlib import Path
+from typing import Dict
+
+
+def write_file(path: Path, content: str) -> None:
+    """Write content to file, creating directories as needed."""
+    path = Path(path)
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(content)
+
+
+def write_multiple(directory: Path, files: Dict[str, str]) -> None:
+    """Write multiple files to a directory.
+
+    Args:
+        directory: Target directory
+        files: Dict mapping filename to content
+    """
+    directory = Path(directory)
+    directory.mkdir(parents=True, exist_ok=True)
+
+    for filename, content in files.items():
+        file_path = directory / filename
+        file_path.write_text(content)

ui/timeline/src/types.ts

@@ -1,8 +1,7 @@
 /**
- * MPR TypeScript Types - GENERATED FILE
+ * TypeScript Types - GENERATED FILE
  *
- * Do not edit directly. Modify schema/models/*.py and run:
+ * Do not edit directly. Regenerate using modelgen.
- *     python schema/generate.py --typescript
  */
 
 export type AssetStatus = "pending" | "ready" | "error";
@@ -72,25 +71,3 @@ export interface TranscodeJob {
   started_at: string | null;
   completed_at: string | null;
 }
-
-// API Request/Response Types
-
-export interface CreateJobRequest {
-  source_asset_id: string;
-  preset_id: string | null;
-  trim_start: number | null;
-  trim_end: number | null;
-  output_filename: string | null;
-}
-
-export interface SystemStatus {
-  status: string;
-  version: string;
-}
-
-export interface WorkerStatus {
-  available: boolean;
-  active_jobs: number;
-  supported_codecs: string[];
-  gpu_available: boolean;
-}