Fix counter_audit_loop: use get_redis() instead of stale r/rd refs

router/router.py

@@ -54,7 +54,7 @@ def check_rate_limit(api_key, tier):
         return True, 999, 60
     limit = RATE_LIMIT_RPM.get(tier, 30)
     key = f"ratelimit:{api_key}"
-    current = int(r.get(key) or 0)
+    current = int(get_redis().get(key) or 0)
     if current >= limit:
         ttl = r.ttl(key)
         retry = max(ttl, 1) if ttl and ttl > 0 else 60
@@ -105,9 +105,9 @@ def counter_audit_loop():
                     slots = resp.json()
                     all_idle = all(not s.get("is_processing", False) for s in slots)
                     if all_idle:
-                        current = int(r.get("active:" + model) or 0)
+                        current = int(get_redis().get("active:" + model) or 0)
                         if current > 0:
-                            rd.set("active:" + model, 0)
+                            get_redis().set("active:" + model, 0)
                             log.info("AUDIT: Reset stuck counter for %s (was %d)", model, current)
             except Exception:
                 pass
@@ -131,7 +131,7 @@ def gpu_decr(model):
     if rd:
         v = rd.decr("active:" + model)
         if v and int(v) < 0:
-            rd.set("active:" + model, 0)  # never go negative
+            get_redis().set("active:" + model, 0)  # never go negative
 def check_gpu_health(model, sidecar_timeout=5, gpu_timeout=3):
     url = GPU_SIDECARS.get(model)
     if not url: return {"status": "unknown"}