feat: add GitLab Duo and CodeBuddy support, update observability settings

src/shared/utils/providerModelsFetcher.js

@@ -0,0 +1,45 @@
+// Fetch and cache suggested models for providers that expose a public models API
+// Designed to be extensible: add new types in FILTERS below
+
+const CACHE_TTL_MS = 10 * 60 * 1000; // 10 minutes
+const cache = new Map(); // key: fetcher.url → { data, expiresAt }
+
+const FILTERS = {
+  // Free models with context >= 200k tokens
+  "openrouter-free": (models) =>
+    models
+      .filter(
+        (m) =>
+          m.pricing?.prompt === "0" &&
+          m.pricing?.completion === "0" &&
+          m.context_length >= 200000
+      )
+      .map((m) => ({ id: m.id, name: m.name, contextLength: m.context_length }))
+      .sort((a, b) => b.contextLength - a.contextLength),
+};
+
+/**
+ * Fetch suggested models for a provider using its modelsFetcher config.
+ * Results are cached in-memory for CACHE_TTL_MS.
+ * @param {{ url: string, type: string }} fetcher
+ * @returns {Promise<Array<{ id: string, name: string, contextLength: number }>>}
+ */
+export async function fetchSuggestedModels(fetcher) {
+  if (!fetcher?.url || !fetcher?.type) return [];
+
+  const cached = cache.get(fetcher.url);
+  if (cached && Date.now() < cached.expiresAt) return cached.data;
+
+  try {
+    const res = await fetch(fetcher.url);
+    if (!res.ok) return [];
+    const json = await res.json();
+    const raw = json.data ?? json.models ?? json;
+    const filter = FILTERS[fetcher.type];
+    const data = filter ? filter(Array.isArray(raw) ? raw : []) : [];
+    cache.set(fetcher.url, { data, expiresAt: Date.now() + CACHE_TTL_MS });
+    return data;
+  } catch {
+    return [];
+  }
+}