fix(registrar): bound slow consistency runs

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a02b22-9638-76d2-bbff-b7ea1770b118

src/repo_manager/commands/registrar_reconcile.py

@@ -25,6 +25,7 @@ from repo_manager.parse.workplan import parse_workplan_file
 from repo_manager.record_identity import scan_record_identities
 
 LOCK_PATH = Path("/tmp/repo-manager-identifier-registrar.lock")
+STATEHUB_TIMEOUT_SECONDS = 900
 
 
 @dataclass
@@ -382,7 +383,7 @@ def _run_statehub(command: list[str], *, env: dict[str, str]) -> subprocess.Comp
         capture_output=True,
         text=True,
         check=False,
-        timeout=300,
+        timeout=STATEHUB_TIMEOUT_SECONDS,
         env=env,
     )
 
@@ -573,7 +574,26 @@ def registrar_reconcile(
         ]
         if bootstrap_empty_projection:
             command.append("--bootstrap-empty-projection")
-        completed = _run_statehub(command, env=child_env)
+        try:
+            completed = _run_statehub(command, env=child_env)
+        except subprocess.TimeoutExpired as exc:
+            stdout = exc.stdout.decode() if isinstance(exc.stdout, bytes) else (exc.stdout or "")
+            stderr = exc.stderr.decode() if isinstance(exc.stderr, bytes) else (exc.stderr or "")
+            evidence["statehub_stdout_tail"] = stdout[-4000:]
+            evidence["statehub_stderr_tail"] = stderr[-2000:]
+            evidence["missing_after"] = _missing_identifiers(repo)
+            return RegistrarResult(
+                "failed",
+                evidence,
+                {
+                    "code": "statehub_timeout",
+                    "message": (
+                        "State Hub reconciliation exceeded "
+                        f"{STATEHUB_TIMEOUT_SECONDS} seconds"
+                    ),
+                },
+                cid,
+            )
 
     evidence["statehub_exit_code"] = completed.returncode
     evidence["statehub_stdout_tail"] = completed.stdout[-4000:]