fix(proxy): show registry provider proxies in dashboard (#2963)

Integrated into release/v3.8.8

src/app/(dashboard)/dashboard/providers/[id]/page.tsx

@@ -1619,6 +1619,19 @@ export default function ProviderDetailPage() {
     }
   }, [providerId, isSearchProvider]);
 
+  const fetchProxyConfig = useCallback(async () => {
+    try {
+      const res = await fetch("/api/settings/proxy", { cache: "no-store" });
+      if (res.ok) {
+        setProxyConfig(await res.json());
+      } else {
+        setProxyConfig(null);
+      }
+    } catch {
+      // Proxy indicators are best-effort.
+    }
+  }, []);
+
   const fetchConnections = useCallback(async () => {
     try {
       const [connectionsRes, nodesRes] = await Promise.all([
@@ -1680,11 +1693,8 @@ export default function ProviderDetailPage() {
     fetchConnections();
     fetchAliases();
     // Load proxy config for visual indicators (provider-level button)
-    fetch("/api/settings/proxy")
-      .then((r) => (r.ok ? r.json() : null))
-      .then((c) => setProxyConfig(c))
-      .catch(() => {});
-  }, [fetchConnections, fetchAliases]);
+    void fetchProxyConfig();
+  }, [fetchConnections, fetchAliases, fetchProxyConfig]);
 
   const handleZedImport = useCallback(async () => {
     if (importingZed) return;
@@ -4895,7 +4905,10 @@ export default function ProviderDetailPage() {
           level={proxyTarget.level}
           levelId={proxyTarget.id}
           levelLabel={proxyTarget.label}
-          onSaved={() => void loadConnProxies(connections)}
+          onSaved={() => {
+            void fetchProxyConfig();
+            void loadConnProxies(connections);
+          }}
         />
       )}
       {/* Import Progress Modal */}

src/app/api/settings/proxy/route.ts

@@ -160,6 +160,30 @@ export async function GET(request: Request) {
       return Response.json({ level, id, proxy });
     }
 
+    if (level === "provider" && id) {
+      const assignments = await getProxyAssignments({ scope: "provider" });
+      const assignment = assignments.find((entry) => entry.scopeId === id);
+      if (assignment?.proxyId) {
+        const proxyData = await getProxyById(assignment.proxyId, { includeSecrets: true });
+        if (proxyData) {
+          return Response.json({
+            level,
+            id,
+            proxy: {
+              type: proxyData.type,
+              host: proxyData.host,
+              port: proxyData.port,
+              username: proxyData.username,
+              password: proxyData.password,
+            },
+          });
+        }
+      }
+
+      const proxy = await getProxyForLevel(level, id);
+      return Response.json({ level, id, proxy });
+    }
+
     if (level) {
       const proxy = await getProxyForLevel(level, id);
       return Response.json({ level, id, proxy });
@@ -167,6 +191,24 @@ export async function GET(request: Request) {
 
     // Get full config
     const config = await getProxyConfig();
+    const providerAssignments = await getProxyAssignments({ scope: "provider" });
+    if (providerAssignments.length > 0) {
+      config.providers = { ...(config.providers || {}) };
+      for (const assignment of providerAssignments) {
+        if (!assignment.scopeId || !assignment.proxyId) {
+          continue;
+        }
+        const proxyData = await getProxyById(assignment.proxyId, { includeSecrets: true });
+        if (!proxyData) continue;
+        config.providers[assignment.scopeId] = {
+          type: proxyData.type,
+          host: proxyData.host,
+          port: proxyData.port,
+          username: proxyData.username,
+          password: proxyData.password,
+        };
+      }
+    }
     return Response.json(config);
   } catch (error) {
     return createErrorResponseFromUnknown(error, "Failed to load proxy config");

tests/unit/route-edge-coverage.test.ts

@@ -291,6 +291,22 @@ test("settings proxy route covers full config, resolve, validation, delete and g
   const fullConfig = await settingsProxyRoute.GET(
     new Request("http://localhost/api/settings/proxy")
   );
+
+  const registryProviderProxy = await localDb.createProxy({
+    name: "Registry Provider Proxy",
+    type: "http",
+    host: "registry-provider.local",
+    port: 8080,
+    source: "dashboard-custom",
+  });
+  await localDb.assignProxyToScope("provider", "anthropic", registryProviderProxy.id);
+  const registryProviderGet = await settingsProxyRoute.GET(
+    new Request("http://localhost/api/settings/proxy?level=provider&id=anthropic")
+  );
+  const fullConfigWithRegistryProvider = await settingsProxyRoute.GET(
+    new Request("http://localhost/api/settings/proxy")
+  );
+
   const deleted = await settingsProxyRoute.DELETE(
     new Request("http://localhost/api/settings/proxy?level=provider&id=openai", {
       method: "DELETE",
@@ -310,6 +326,8 @@ test("settings proxy route covers full config, resolve, validation, delete and g
   const providerGetBody = (await providerGet.json()) as any;
   const resolveBody = (await resolveGet.json()) as any;
   const fullConfigBody = (await fullConfig.json()) as any;
+  const registryProviderGetBody = (await registryProviderGet.json()) as any;
+  const fullConfigWithRegistryProviderBody = (await fullConfigWithRegistryProvider.json()) as any;
   const deletedBody = (await deleted.json()) as any;
   const resolveAfterDeleteBody = (await resolveAfterDelete.json()) as any;
   const missingLevelBody = (await missingLevel.json()) as any;
@@ -329,6 +347,13 @@ test("settings proxy route covers full config, resolve, validation, delete and g
   assert.equal(resolveBody.proxy.host, "provider.local");
   assert.equal(fullConfig.status, 200);
   assert.equal(fullConfigBody.global.host, "global.local");
+  assert.equal(registryProviderGet.status, 200);
+  assert.equal(registryProviderGetBody.proxy.host, "registry-provider.local");
+  assert.equal(fullConfigWithRegistryProvider.status, 200);
+  assert.equal(
+    fullConfigWithRegistryProviderBody.providers.anthropic.host,
+    "registry-provider.local"
+  );
   assert.equal(deleted.status, 200);
   assert.equal(Object.prototype.hasOwnProperty.call(deletedBody.providers, "openai"), false);
   assert.equal(resolveAfterDelete.status, 200);