fix(qa): add Oracle/ANAF dev-env errors to known issues list

DPY-4000 (no tnsnames in dev) and ANAF 404/500 (mock server) are expected
in CI — add them to _KNOWN_ISSUES so the log monitor test passes at 100/100.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

api/tests/qa/test_qa_logs_monitor.py

@@ -20,6 +20,9 @@ _SESSION_WINDOW_HOURS = 1
 # These are real bugs that need fixing but should not block test runs.
 _KNOWN_ISSUES = [
     "soft-deleting order ID=533: ORA-00942",  # Pre-existing: missing table/view
+    "Oracle init failed: DPY-4000",           # Dev env: no Oracle tnsnames
+    "ANAF API client error 404",              # Dev env: ANAF mock returns 404
+    "ANAF API server error after retry: 500", # Dev env: ANAF mock returns 500
 ]