Unstick analysis running when the worker is dead.

A container rebuild left Emmaforo status=running with no process, so
PCB start kept 409. Heal on GET now matches placement/PCB: complete if
report.json exists, otherwise error.

tests/test_pcb_review.py

@@ -170,7 +170,27 @@ def test_pcb_busy_helpers():
     assert draft.status in analysis
 
 
-def test_pcb_start_requires_board(tmp_path: Path):
+def test_heal_dead_analysis_worker_unblocks_pcb(tmp_path: Path, monkeypatch):
+    from backend.services import job_runner, projects as proj_svc
+    from backend.services.storage import LocalStorageBackend
+
+    storage = LocalStorageBackend(tmp_path)
+    meta = proj_svc.create_project(storage, "usr_jwt", "board")
+    proj_svc.update_project(
+        storage, "usr_jwt", meta.id,
+        status=STATUS_RUNNING,
+        has_pcb=True,
+        has_bom=True,
+        has_netlist=True,
+        pcb_status="draft",
+    )
+    monkeypatch.setattr(job_runner, "get_execution_state", lambda _n: "failed")
+    healed = proj_svc.heal_if_pipeline_finished(storage, "usr_jwt", meta.id)
+    assert healed is not None
+    assert healed.status == "error"
+    from backend.services.pcb_pipeline import analysis_busy
+
+    assert not analysis_busy(healed)
     from fastapi.testclient import TestClient
     from backend.main import app
     from backend.services.storage import LocalStorageBackend