feat(issue-filing): enforce pre-create duplicate title gate (#207)

Add server-side duplicate detection in gitea_create_issue that re-queries
open and recently closed issues at mutation time, blocks normalized title
matches unless the operator explicitly approves a split, and validates LLM
duplicate-search summaries via review_proofs.

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
This commit is contained in:
2026-07-05 17:24:15 -04:00
co-authored by Claude Opus 4.8
parent 34a26d1c14
commit 75c176991e
7 changed files with 422 additions and 13 deletions
+25 -7
View File
@@ -175,9 +175,12 @@ class _AuditWiringBase(unittest.TestCase):
class TestSimpleToolAudit(_AuditWiringBase):
@patch("mcp_server.role_session_router.check_author_mutation_after_reviewer_stop",
return_value=(True, []))
@patch("mcp_server.api_request")
@patch("mcp_server.api_get_all", return_value=[])
@patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
def test_create_issue_success_audited(self, _auth, mock_api):
def test_create_issue_success_audited(self, _auth, _get_all, mock_api, _role):
# 1: create POST result, 2: identity /user lookup for the audit record.
mock_api.side_effect = [
{"number": 11, "html_url": "https://gitea.prgs.cc/issues/11"},
@@ -196,9 +199,12 @@ class TestSimpleToolAudit(_AuditWiringBase):
self.assertEqual(rec["issue_number"], 11)
self.assertEqual(rec["request_metadata"]["title"], "Add thing")
@patch("mcp_server.role_session_router.check_author_mutation_after_reviewer_stop",
return_value=(True, []))
@patch("mcp_server.api_request")
@patch("mcp_server.api_get_all", return_value=[])
@patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
def test_create_issue_failure_audited(self, _auth, mock_api):
def test_create_issue_failure_audited(self, _auth, _get_all, mock_api, _role):
mock_api.side_effect = [
RuntimeError("HTTP 500: boom"),
{"login": "author-bot"}, # identity lookup for the audit record
@@ -223,19 +229,28 @@ class TestSimpleToolAudit(_AuditWiringBase):
self.assertEqual(recs[0]["issue_number"], 42)
self.assertEqual(recs[0]["authenticated_username"], "mgr-bot")
@patch("mcp_server.role_session_router.check_author_mutation_after_reviewer_stop",
return_value=(True, []))
@patch("mcp_server.api_request")
@patch("mcp_server.api_get_all", return_value=[])
@patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
def test_disabled_writes_nothing_and_no_extra_call(self, _auth, mock_api):
# No GITEA_AUDIT_LOG -> audit is a no-op: exactly one API call, no file.
def test_disabled_writes_nothing_and_no_extra_call(self, _auth, _get_all, mock_api, _role):
# No GITEA_AUDIT_LOG -> audit is a no-op: one create POST, no file.
mock_api.return_value = {"number": 1, "html_url": "http://x/1"}
with patch.dict(os.environ, {"GITEA_PROFILE_NAME": "gitea-author"}, clear=True):
gitea_create_issue(title="x", remote="prgs")
mock_api.assert_called_once()
issue_posts = [
c for c in mock_api.call_args_list if c.args[0] == "POST"
]
self.assertEqual(len(issue_posts), 1)
self.assertEqual(self._records(), [])
@patch("mcp_server.role_session_router.check_author_mutation_after_reviewer_stop",
return_value=(True, []))
@patch("mcp_server.api_request")
@patch("mcp_server.api_get_all", return_value=[])
@patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
def test_secrets_never_written(self, _auth, mock_api):
def test_secrets_never_written(self, _auth, _get_all, mock_api, _role):
mock_api.side_effect = [
{"number": 3, "html_url": "http://x/3"},
{"login": "author-bot"},
@@ -248,9 +263,12 @@ class TestSimpleToolAudit(_AuditWiringBase):
for secret in ("super-secret-token", "authorization", "basic ", FAKE_AUTH.lower()):
self.assertNotIn(secret, blob)
@patch("mcp_server.role_session_router.check_author_mutation_after_reviewer_stop",
return_value=(True, []))
@patch("mcp_server.api_request")
@patch("mcp_server.api_get_all", return_value=[])
@patch("mcp_server.get_auth_header", return_value=FAKE_AUTH)
def test_audit_failure_never_breaks_action(self, _auth, mock_api):
def test_audit_failure_never_breaks_action(self, _auth, _get_all, mock_api, _role):
mock_api.side_effect = [
{"number": 9, "html_url": "http://x/9"},
{"login": "author-bot"},