feat: docs Sphinx pipeline + lien dashboard header

app/main.py

@@ -132,6 +132,7 @@ async def lifespan(_: FastAPI):
 app = FastAPI(title="cosma-qc", lifespan=lifespan)
 templates = Jinja2Templates(directory=Path(__file__).parent / "templates")
 app.mount("/static", StaticFiles(directory=Path(__file__).parent / "static"), name="static")
+app.mount("/docs", StaticFiles(directory=Path("/app/docs"), html=True), name="docs")
 
 
 _viser_probe_cache: dict[str, tuple[float, bool]] = {}
@@ -220,12 +221,13 @@ def _build_acquisitions():
         # Mask the viser link when the demo.py that was serving it has since died.
         if j["status"] == "done" and j["viser_url"] and not _viser_alive(j["viser_url"]):
             d["viser_url"] = None
-        # GLB download link: served by http.server 8300 on the worker
+        # GLB download link: only when glb_path is set in DB (conversion confirmed)
         glb_url = None
-        if d.get("status") == "done" and d.get("frames_dir") and d.get("worker_host"):
-            frames_basename = (d["frames_dir"] or "").rstrip("/").split("/")[-1]
-            if frames_basename:
-                glb_url = f"http://{d['worker_host']}:8300/{frames_basename}/reconstruction.glb"
+        glb_path = d.get("glb_path")
+        if glb_path and d.get("worker_host"):
+            dir_name = glb_path.rstrip("/").split("/")[-2]
+            file_name = glb_path.rstrip("/").split("/")[-1]
+            glb_url = f"http://{d['worker_host']}:8300/{dir_name}/{file_name}"
         d["glb_url"] = glb_url
         by_acq.setdefault(j["acquisition_id"], []).append(d)
         by_acq_total[j["acquisition_id"]] = by_acq_total.get(j["acquisition_id"], 0) + dur_s