refactor storage minio for k8s

core/schema/models/__init__.py

@@ -35,10 +35,12 @@ from .presets import BUILTIN_PRESETS, TranscodePreset
 from .detect import DETECT_VIEWS  # noqa: F401 — discovered by modelgen generic loader
 from .ui_state import UI_STATE_VIEWS  # noqa: F401 — UI store state types
 from .views import ChunkEvent, ChunkOutputFile, PipelineStats, WorkerEvent
+from .sources import ChunkInfo, SourceJob, SourceType
 
 # Core domain models - generates Django, Pydantic, TypeScript
 DATACLASSES = [MediaAsset, TranscodePreset, TranscodeJob, ChunkJob,
-               DetectJob, StageCheckpoint, KnownBrand, SourceBrandSighting]
+               DetectJob, StageCheckpoint, KnownBrand, SourceBrandSighting,
+               SourceJob, ChunkInfo]
 
 # API request/response models - generates TypeScript only (no Django)
 # WorkerStatus from grpc.py is reused here
@@ -52,7 +54,7 @@ API_MODELS = [
 ]
 
 # Status enums - included in generated code
-ENUMS = [AssetStatus, JobStatus, ChunkJobStatus, DetectJobStatus, RunType, BrandSource]
+ENUMS = [AssetStatus, JobStatus, ChunkJobStatus, DetectJobStatus, RunType, BrandSource, SourceType]
 
 # View/event models - generates TypeScript for UI consumption
 VIEWS = [ChunkEvent, WorkerEvent, PipelineStats, ChunkOutputFile]
@@ -105,6 +107,10 @@ __all__ = [
     "WorkerEvent",
     "PipelineStats",
     "ChunkOutputFile",
+    # Sources
+    "SourceType",
+    "SourceJob",
+    "ChunkInfo",
     # For generator
     "DATACLASSES",
     "API_MODELS",

core/schema/models/sources.py

@@ -0,0 +1,39 @@
+"""
+Media source models.
+
+Describes what types of sources the detection pipeline can process.
+Only chunk_job (blobs in MinIO) is implemented now — the rest are
+extension points with defined shapes.
+"""
+
+from dataclasses import dataclass, field
+from enum import Enum
+
+
+class SourceType(str, Enum):
+    CHUNK_JOB = "chunk_job"   # pre-chunked video segments in blob storage
+    UPLOAD    = "upload"      # future: user-uploaded file → MinIO → pipeline
+    DEVICE    = "device"      # future: local camera/capture card via ffmpeg (no MinIO)
+    STREAM    = "stream"      # future: RTMP/HLS URL via ffmpeg (no MinIO)
+
+
+@dataclass
+class ChunkInfo:
+    """A single chunk (video segment) stored in blob storage."""
+    filename: str
+    key: str          # storage key (MinIO object key)
+    size_bytes: int
+
+
+@dataclass
+class SourceJob:
+    """
+    A group of chunks that belong together (same source video/session).
+
+    Listed by the source selector so the user can pick a job,
+    then drill into its chunks.
+    """
+    job_id: str
+    source_type: str          # SourceType value
+    chunk_count: int
+    total_bytes: int = 0