phase 3

core/api/detect/config.py

@@ -64,6 +64,22 @@ def list_profiles():
     return [{"name": name} for name in _PROFILES]
 
 
+@router.get("/config/profiles/{profile_name}/pipeline")
+def get_pipeline_config(profile_name: str):
+    """Return the pipeline composition for a profile."""
+    from detect.profiles import get_profile
+    from fastapi import HTTPException
+    from dataclasses import asdict
+
+    try:
+        profile = get_profile(profile_name)
+    except ValueError:
+        raise HTTPException(status_code=404, detail=f"Unknown profile: {profile_name}")
+
+    config = profile.pipeline_config()
+    return asdict(config)
+
+
 @router.get("/config/stages", response_model=list[StageConfigInfo])
 def list_stage_configs():
     """Return the stage palette with config field metadata for the editor."""

core/api/detect/run.py

@@ -88,7 +88,7 @@ def run_pipeline(req: RunRequest):
         log_level=req.log_level,
     )
 
-    pipeline = get_pipeline(checkpoint=req.checkpoint)
+    pipeline = get_pipeline(checkpoint=req.checkpoint, profile_name=req.profile_name)
 
     initial_state = DetectState(
         video_path=local_path,