feat(provider): add Baidu Qianfan chat provider (#1582)

Integrated into release/v3.7.0

src/shared/components/ProviderIcon.tsx

@@ -150,6 +150,7 @@ const KNOWN_SVGS = new Set([
   "opencode",
   "playht",
   "puter",
+  "qianfan",
   "scaleway",
   "sdwebui",
   "synthetic",

src/shared/constants/providers.ts

@@ -151,6 +151,18 @@ export const APIKEY_PROVIDERS = {
     passthroughModels: true,
     website: "https://openrouter.ai",
   },
+  qianfan: {
+    id: "qianfan",
+    alias: "qianfan",
+    name: "Baidu Qianfan",
+    icon: "cloud",
+    color: "#2468F2",
+    textIcon: "BD",
+    website: "https://cloud.baidu.com/product/wenxinworkshop",
+    passthroughModels: true,
+    apiHint:
+      "Use a Qianfan API key from Baidu AI Cloud. The default endpoint is OpenAI-compatible v2.",
+  },
   glm: {
     id: "glm",
     alias: "glm",