fix(memory): exempt audits from request timeout (#3886)

tests/test_memory_audit_timeout.py

@@ -0,0 +1,10 @@
+from pathlib import Path
+
+
+def test_memory_audit_uses_its_own_llm_timeout():
+    source = Path("app.py").read_text()
+    start = source.index("_TIMEOUT_EXEMPT_PREFIXES =")
+    end = source.index("\n)\n", start)
+    timeout_exemptions = source[start:end]
+
+    assert '"/api/memory/audit"' in timeout_exemptions