feat(registrar): repair deterministic projections

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a023c0-a0a3-7c03-b395-5a0d2757214d

tests/test_registrar_reconcile.py

@@ -134,3 +134,49 @@ def test_scopes_registrar_env_and_commits_assigned_ids(tmp_path: Path, monkeypat
         ["git", "log", "-1", "--format=%s"], cwd=repo, capture_output=True, text=True, check=True
     ).stdout.strip()
     assert subject == "chore(registrar): assign State Hub identifiers"
+
+
+def test_repairs_an_already_identified_workplan_projection(tmp_path: Path, monkeypatch) -> None:
+    repo = _fixture(tmp_path)
+    workplan = repo / "workplans" / "DEMO-WP-0001.md"
+    text = workplan.read_text(encoding="utf-8")
+    text = text.replace(
+        "status: active\n---",
+        'status: active\nstate_hub_workstream_id: "11111111-1111-4111-8111-111111111111"\n---',
+    )
+    text = text.replace(
+        "priority: high\n```",
+        'priority: high\nstate_hub_task_id: "22222222-2222-4222-8222-222222222222"\n```',
+    )
+    workplan.write_text(text, encoding="utf-8")
+    _git(repo, "add", ".")
+    _git(repo, "commit", "-m", "add authoritative identifiers")
+    _git(repo, "push")
+
+    monkeypatch.setattr(
+        rr,
+        "_check_primary",
+        lambda _api: ({"status": "ok", "db": "connected"}, None),
+    )
+    monkeypatch.setattr(
+        rr,
+        "_projection_exists",
+        lambda _api, projection_id: ({"id": projection_id}, None),
+    )
+
+    def fake_run(command, *, env):
+        assert env["STATEHUB_REGISTRAR"] == "1"
+        return subprocess.CompletedProcess(command, 1, "legacy stale references remain", "")
+
+    monkeypatch.setattr(rr, "_run_statehub", fake_run)
+
+    result = rr.registrar_reconcile(
+        repo,
+        statehub_bin="statehub",
+        confirm_primary=True,
+        repair_workplan="DEMO-WP-0001",
+    )
+
+    assert result.status == "applied"
+    assert result.evidence["repair_projection_verified"] is True
+    assert result.evidence["repair_projection_id"] == "11111111-1111-4111-8111-111111111111"