test: integration coverage report, suite docs and harness isolation fix

tests/integration/test_scenario_org_repo.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import asyncio
 import base64
 import time
 from typing import Any
@@ -204,7 +205,7 @@ async def test_repo_collaborators_fork_transfer_archive_search(
         search = await mcp.ok("gitea_repo_search", q=fresh_repo.name)
         found = names(search.data["data"])
         if fresh_repo.name not in found:
-            time.sleep(0.5)
+            await asyncio.sleep(0.5)
     assert fresh_repo.name in found
 
     # Fork as another user (admin sudo), then list forks.