adding support for generic AI provider (OpenAI compatible)

packages/backend/src/agents/retrieval.ts

@@ -1,4 +1,4 @@
-import { openai } from '../agent.js';
+import { openai, defaultModel, serviceOptions, supportsWebSearch } from '../agent.js';
 import type { InterpreterOutput, RetrievalOutput, MediaType } from '../types/agents.js';
 import { z } from 'zod';
 import { zodTextFormat } from 'openai/helpers/zod';
@@ -19,11 +19,12 @@ export async function runRetrieval(
   const mediaLabel = mediaType === 'movie' ? 'movie' : 'TV show';
   const mediaLabelPlural = mediaType === 'movie' ? 'movies' : 'TV shows';
 
+  const canSearch = useWebSearch && supportsWebSearch;
   const response = await openai.responses.parse({
-    model: 'gpt-5.4',
+    model: defaultModel,
     temperature: 0.9,
-    service_tier: 'flex',
-    ...(useWebSearch ? { tools: [{ type: 'web_search' as const }] } : {}),
+    ...serviceOptions,
+    ...(canSearch ? { tools: [{ type: 'web_search' as const }] } : {}),
     text: { format: zodTextFormat(RetrievalSchema, "candidates") },
     instructions: `You are a ${mediaLabel} candidate generator. Your goal is to brainstorm a LARGE, DIVERSE pool of ${brainstormCount} ${mediaLabel} candidates that match the user's structured preferences.${useWebSearch ? '\n\nUse web search to find recent and accurate titles, including newer releases.' : ''}