Add baidu qianfan model provider

src/agents/model-auth.ts

@@ -300,6 +300,7 @@ export function resolveEnvApiKey(provider: string): EnvApiKeyResult | null {
     venice: "VENICE_API_KEY",
     mistral: "MISTRAL_API_KEY",
     opencode: "OPENCODE_API_KEY",
+    qianfan: "QIANFAN_API_KEY",
   };
   const envVar = envMap[normalized];
   if (!envVar) {

src/agents/models-config.providers.ts

@@ -76,6 +76,17 @@ const OLLAMA_DEFAULT_COST = {
   cacheWrite: 0,
 };
 
+const QIANFAN_BASE_URL = "https://qianfan.baidubce.com/v2";
+export const QIANFAN_DEFAULT_MODEL_ID = "deepseek-v3.2";
+const QIANFAN_DEFAULT_CONTEXT_WINDOW = 98304;
+const QIANFAN_DEFAULT_MAX_TOKENS = 32768;
+const QIANFAN_DEFAULT_COST = {
+  input: 0,
+  output: 0,
+  cacheRead: 0,
+  cacheWrite: 0,
+};
+
 interface OllamaModel {
   name: string;
   modified_at: string;
@@ -394,6 +405,24 @@ async function buildOllamaProvider(): Promise<ProviderConfig> {
   };
 }
 
+export function buildQianfanProvider(): ProviderConfig {
+  return {
+    baseUrl: QIANFAN_BASE_URL,
+    api: "openai-completions",
+    models: [
+      {
+        id: QIANFAN_DEFAULT_MODEL_ID,
+        name: "DEEPSEEK V3.2",
+        reasoning: true,
+        input: ["text"],
+        cost: QIANFAN_DEFAULT_COST,
+        contextWindow: QIANFAN_DEFAULT_CONTEXT_WINDOW,
+        maxTokens: QIANFAN_DEFAULT_MAX_TOKENS,
+      },
+    ],
+  };
+}
+
 export async function resolveImplicitProviders(params: {
   agentDir: string;
 }): Promise<ModelsConfig["providers"]> {
@@ -461,6 +490,13 @@ export async function resolveImplicitProviders(params: {
     providers.ollama = { ...(await buildOllamaProvider()), apiKey: ollamaKey };
   }
 
+  const qianfanKey =
+    resolveEnvApiKeyVarName("qianfan") ??
+    resolveApiKeyFromProfiles({ provider: "qianfan", store: authStore });
+  if (qianfanKey) {
+    providers.qianfan = { ...buildQianfanProvider(), apiKey: qianfanKey };
+  }
+
   return providers;
 }