fix: feed provider health into circuit breaker

src/providerHealthMonitor.js

@@ -7,6 +7,7 @@
  */
 
 const { pool } = require("./db");
+const { recordProviderSuccess, recordProviderFailure, getAllBreakerStats } = require("./providerCircuitBreaker");
 
 const CHECK_INTERVAL_MS = 5 * 60 * 1000;
 const DASHSCOPE_TEST_MODEL = "qwen-max";
@@ -21,6 +22,15 @@ const providerHealthCache = {
   grsai: { status: "unknown", lastCheck: null, lastError: null, details: null },
 };
 
+function recordProbeOutcome(provider, result, latencyMs) {
+  if (!provider) return;
+  if (result?.ok) {
+    recordProviderSuccess(provider, latencyMs);
+  } else {
+    recordProviderFailure(provider);
+  }
+}
+
 async function getDashScopeKey() {
   const { rows } = await pool.query(
     "SELECT id, api_key FROM api_keys WHERE provider LIKE '%dashscope%' AND enabled = 1 ORDER BY id LIMIT 1"
@@ -120,8 +130,10 @@ async function runHealthCheck() {
   // ── DashScope ──
   const dashKey = await getDashScopeKey();
   if (dashKey) {
+    const startedAt = Date.now();
     try {
       const result = await probeDashScope(dashKey);
+      recordProbeOutcome("dashscope", result, Date.now() - startedAt);
       const prev = providerHealthCache.dashscope.status;
       providerHealthCache.dashscope = {
         status: result.status,
@@ -144,6 +156,7 @@ async function runHealthCheck() {
         }
       }
     } catch (err) {
+      recordProviderFailure("dashscope");
       providerHealthCache.dashscope = {
         status: "timeout",
         lastCheck: new Date().toISOString(),
@@ -164,8 +177,10 @@ async function runHealthCheck() {
   // ── GrsAI ──
   const grsaiKey = await getGrsaiKey();
   if (grsaiKey) {
+    const startedAt = Date.now();
     try {
       const result = await probeGrsai(grsaiKey);
+      recordProbeOutcome("grsai", result, Date.now() - startedAt);
       const prev = providerHealthCache.grsai.status;
       providerHealthCache.grsai = {
         status: result.status,
@@ -186,6 +201,7 @@ async function runHealthCheck() {
         }
       }
     } catch (err) {
+      recordProviderFailure("grsai");
       providerHealthCache.grsai = {
         status: "timeout",
         lastCheck: new Date().toISOString(),
@@ -204,10 +220,7 @@ async function runHealthCheck() {
   }
 
   // ── Circuit breaker summary ──
-  try {
-    const cb = require("./providerCircuitBreaker");
-    providerHealthCache.circuitBreaker = cb.getProviderStatusMap ? cb.getProviderStatusMap() : null;
-  } catch {}
+  providerHealthCache.circuitBreaker = getAllBreakerStats();
 
   // ── Admin low-balance alert ──
   try {
@@ -256,4 +269,4 @@ module.exports = {
   stopProviderHealthMonitor,
   getProviderHealthCache,
   runHealthCheck,
-};
+};