Add structured job progress tracking

backend/app/main.py

@@ -21,6 +21,7 @@ from .modules.weights.service import load_manifest, sync_weights, verify_weights
 from .agents.evaluation_agent import evaluate_project
 from .agents.validation_agent import validate_project
 from .paths import ensure_inside
+from .progress import progress_from_log_path
 from .schemas import DatasetCreate, DatasetYoloYamlRequest, JobCreate, ProfileCreate, WeightSyncRequest
 
 app = FastAPI(title="Seg Data Server Net", version="0.1.0")
@@ -34,6 +35,15 @@ app.add_middleware(
 )
 
 
+def _job_with_progress(job: dict, include_log_tail: bool = False) -> dict:
+    enriched = dict(job)
+    max_bytes = 65536 if include_log_tail else 32768
+    enriched["progress"] = progress_from_log_path(enriched["log_path"], enriched["status"], max_bytes=max_bytes)
+    if include_log_tail:
+        enriched["log_tail"] = db.log_tail(enriched["log_path"], max_bytes=max_bytes)
+    return enriched
+
+
 @app.on_event("startup")
 def startup() -> None:
     db.init_db()
@@ -135,14 +145,14 @@ def api_save_profile(profile: ProfileCreate) -> dict:
 @app.post("/api/jobs")
 def api_create_job(request: JobCreate) -> dict:
     try:
-        return create_job(request)
+        return _job_with_progress(create_job(request))
     except Exception as exc:
         raise HTTPException(status_code=400, detail=str(exc)) from exc
 
 
 @app.get("/api/jobs")
 def api_jobs(limit: int = 100) -> list[dict]:
-    return db.list_jobs(limit)
+    return [_job_with_progress(job) for job in db.list_jobs(limit)]
 
 
 @app.get("/api/jobs/{job_id}")
@@ -150,8 +160,7 @@ def api_job(job_id: str) -> dict:
     job = db.get_job(job_id)
     if not job:
         raise HTTPException(status_code=404, detail="job not found")
-    job["log_tail"] = db.log_tail(job["log_path"])
-    return job
+    return _job_with_progress(job, include_log_tail=True)
 
 
 @app.post("/api/jobs/{job_id}/cancel")
@@ -159,7 +168,7 @@ def api_cancel_job(job_id: str) -> dict:
     job = cancel_job(job_id)
     if not job:
         raise HTTPException(status_code=404, detail="job not found")
-    return job
+    return _job_with_progress(job)
 
 
 @app.get("/api/jobs/{job_id}/events")
@@ -171,6 +180,7 @@ async def api_job_events(job_id: str):
             if not job:
                 yield "event: error\ndata: job not found\n\n"
                 return
+            job = _job_with_progress(job)
             path = Path(job["log_path"])
             chunk = ""
             if path.exists():