feat: harden intelligence runtime and llm providers

lib/llm/openai.mjs

@@ -1,50 +1,15 @@
-// OpenAI Provider — raw fetch, no SDK
+// OpenAI Provider — OpenAI-compatible chat completions
 
-import { LLMProvider } from './provider.mjs';
+import { OpenAICompatibleProvider } from './openai-compatible.mjs';
 
-export class OpenAIProvider extends LLMProvider {
+export class OpenAIProvider extends OpenAICompatibleProvider {
   constructor(config) {
-    super(config);
-    this.name = 'openai';
-    this.apiKey = config.apiKey;
-    this.model = config.model || 'gpt-5.4';
-  }
-
-  get isConfigured() { return !!this.apiKey; }
-
-  async complete(systemPrompt, userMessage, opts = {}) {
-    const res = await fetch('https://api.openai.com/v1/chat/completions', {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-        'Authorization': `Bearer ${this.apiKey}`,
-      },
-      body: JSON.stringify({
-        model: this.model,
-        max_completion_tokens: opts.maxTokens || 4096,
-        messages: [
-          { role: 'system', content: systemPrompt },
-          { role: 'user', content: userMessage },
-        ],
-      }),
-      signal: AbortSignal.timeout(opts.timeout || 60000),
+    super({
+      ...config,
+      name: 'openai',
+      baseUrl: config.baseUrl || 'https://api.openai.com/v1',
+      model: config.model || 'gpt-4o-mini',
+      useMaxCompletionTokens: true,
     });
-
-    if (!res.ok) {
-      const err = await res.text().catch(() => '');
-      throw new Error(`OpenAI API ${res.status}: ${err.substring(0, 200)}`);
-    }
-
-    const data = await res.json();
-    const text = data.choices?.[0]?.message?.content || '';
-
-    return {
-      text,
-      usage: {
-        inputTokens: data.usage?.prompt_tokens || 0,
-        outputTokens: data.usage?.completion_tokens || 0,
-      },
-      model: data.model || this.model,
-    };
   }
 }