own provider update + retry buggy response

src/drivers/apis.ts

@@ -1,14 +1,25 @@
 import { config } from "../config.ts";
 import { ApiDriverBase } from "./apiBase.ts";
 
+/**
+ * Concrete API drivers read their key from the server env by default.
+ * Pass `apiKeyOverride` to build a per-user (BYOK) instance instead: the
+ * driver is then enabled whenever the override key is non-empty, ignoring
+ * the global `*_ENABLED` flag. See `src/userProviders.ts`.
+ */
+function globalEnabled(flag: boolean, key: string): boolean {
+  return flag && key.length > 0;
+}
+
 /** Mistral API driver. Global priority #2 (after local ollama). */
 export class MistralDriver extends ApiDriverBase {
   readonly name = "mistral";
-  constructor() {
+  constructor(apiKeyOverride?: string) {
+    const apiKey = apiKeyOverride ?? config.mistralApiKey;
     super({
       baseUrl: "https://api.mistral.ai/v1",
-      apiKey: config.mistralApiKey,
-      enabled: config.mistralEnabled,
+      apiKey,
+      enabled: apiKeyOverride !== undefined ? apiKey.length > 0 : globalEnabled(config.mistralEnabled, apiKey),
       defaultModels: ["mistral-large-latest", "mistral-medium-latest", "mistral-small-latest"],
     });
   }
@@ -17,11 +28,12 @@ export class MistralDriver extends ApiDriverBase {
 /** DeepSeek API driver. Priority within APIs: DeepSeek first. */
 export class DeepSeekDriver extends ApiDriverBase {
   readonly name = "deepseek";
-  constructor() {
+  constructor(apiKeyOverride?: string) {
+    const apiKey = apiKeyOverride ?? config.deepseekApiKey;
     super({
       baseUrl: "https://api.deepseek.com/v1",
-      apiKey: config.deepseekApiKey,
-      enabled: config.deepseekEnabled,
+      apiKey,
+      enabled: apiKeyOverride !== undefined ? apiKey.length > 0 : globalEnabled(config.deepseekEnabled, apiKey),
       defaultModels: ["deepseek-chat", "deepseek-reasoner"],
     });
   }
@@ -30,11 +42,12 @@ export class DeepSeekDriver extends ApiDriverBase {
 /** Anthropic driver (OpenAI-compatible endpoint). Priority: after DeepSeek. */
 export class AnthropicDriver extends ApiDriverBase {
   readonly name = "anthropic";
-  constructor() {
+  constructor(apiKeyOverride?: string) {
+    const apiKey = apiKeyOverride ?? config.anthropicApiKey;
     super({
       baseUrl: "https://api.anthropic.com/v1",
-      apiKey: config.anthropicApiKey,
-      enabled: config.anthropicEnabled,
+      apiKey,
+      enabled: apiKeyOverride !== undefined ? apiKey.length > 0 : globalEnabled(config.anthropicEnabled, apiKey),
       defaultModels: ["claude-sonnet-4-20250514", "claude-3-7-sonnet-latest"],
     });
   }
@@ -43,16 +56,36 @@ export class AnthropicDriver extends ApiDriverBase {
 /** OpenAI API driver. Priority: last among APIs. */
 export class OpenAIDriver extends ApiDriverBase {
   readonly name = "openai";
-  constructor() {
+  constructor(apiKeyOverride?: string) {
+    const apiKey = apiKeyOverride ?? config.openaiApiKey;
     super({
       baseUrl: "https://api.openai.com/v1",
-      apiKey: config.openaiApiKey,
-      enabled: config.openaiEnabled,
+      apiKey,
+      enabled: apiKeyOverride !== undefined ? apiKey.length > 0 : globalEnabled(config.openaiEnabled, apiKey),
       defaultModels: ["gpt-4o", "gpt-4o-mini"],
     });
   }
 }
 
+/**
+ * Gemini driver (Google AI, OpenAI-compatible endpoint). Priority: after GLM.
+ * Docs: https://ai.google.dev/gemini-api/docs/openai — key from
+ * https://aistudio.google.com/apikey (server: GEMINI_API_KEY, or per-user
+ * BYOK in settings).
+ */
+export class GeminiDriver extends ApiDriverBase {
+  readonly name = "gemini";
+  constructor(apiKeyOverride?: string) {
+    const apiKey = apiKeyOverride ?? config.geminiApiKey;
+    super({
+      baseUrl: "https://generativelanguage.googleapis.com/v1beta/openai",
+      apiKey,
+      enabled: apiKeyOverride !== undefined ? apiKey.length > 0 : globalEnabled(config.geminiEnabled, apiKey),
+      defaultModels: ["gemini-2.5-flash", "gemini-2.5-pro", "gemini-2.0-flash"],
+    });
+  }
+}
+
 /**
  * GLM driver (Zhipu AI, OpenAI-compatible endpoint). Priority: after Mistral.
  * Docs: https://docs.z.ai — international base is api.z.ai, mainland China