feat: 31 new tests, metrics LLM counters, Dockerfile caching, Makefile targets, compose limits, code fixes

guarddog_nexus/routes/web.py

@@ -60,7 +60,11 @@ def _render(name: str, **context) -> HTMLResponse:
 
 
 def _parse_flagged(value: str) -> bool | None:
-    return True if value == "1" else None
+    if value == "1":
+        return True
+    if value == "0":
+        return False
+    return None
 
 
 @router.get("/", response_class=HTMLResponse)