fix(audit): P90 — auto-discovery Timeout 180s -> 300s fuer BMW-Homepage

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend-compliance/compliance/api/agent_compliance_check_routes.py

@@ -1399,11 +1399,11 @@ async def _autodiscover_missing(
     disc_cookie_texts: list[str] = []
     for base in crawl_bases:
         try:
-            async with httpx.AsyncClient(timeout=180.0) as client:
+            async with httpx.AsyncClient(timeout=300.0) as client:  # P90: 180s -> 300s
                 resp = await client.post(
                     f"{CONSENT_TESTER_URL}/dsi-discovery",
                     json={"url": base, "max_documents": 15},
-                    timeout=180.0,
+                    timeout=300.0,  # P90: 180s -> 300s
                 )
                 if resp.status_code != 200:
                     logger.warning("auto-discovery: HTTP %d for %s",