adding web search to all recs

packages/backend/src/agents/retrieval.ts

@@ -1,23 +1,25 @@
 import { openai } from '../agent.js';
 import type { InterpreterOutput, RetrievalOutput } from '../types/agents.js';
+import { z } from 'zod';
+import { zodTextFormat } from 'openai/helpers/zod';
+
+const RetrievalSchema = z.object({
+  candidates: z.array(z.object({
+    title: z.string(),
+    reason: z.string()
+  }))
+});
 
 export async function runRetrieval(input: InterpreterOutput, brainstormCount = 100): Promise<RetrievalOutput> {
-  const response = await openai.chat.completions.create({
+  const response = await openai.responses.parse({
     model: 'gpt-5.4',
     temperature: 0.9,
     service_tier: 'flex',
-    response_format: { type: 'json_object' },
-    messages: [
-      {
-        role: 'system',
-        content: `You are a TV show candidate generator. Your goal is to brainstorm a LARGE, DIVERSE pool of ${brainstormCount} TV show candidates that match the user's structured preferences.
-
-Your output MUST be valid JSON matching this schema:
-{
-  "candidates": [
-    { "title": string, "reason": string }
-  ]
-}
+    tools: [
+      { type: 'web_search' }
+    ],
+    text: { format: zodTextFormat(RetrievalSchema, "candidates") },
+    instructions: `You are a TV show candidate generator. Your goal is to brainstorm a LARGE, DIVERSE pool of ${brainstormCount} TV show candidates that match the user's structured preferences.
 
 Rules:
 - Include both well-known and obscure shows
@@ -26,10 +28,7 @@ Rules:
 - Avoid duplicates
 - Include shows from different decades, countries, and networks
 - Aim for ${brainstormCount} candidates minimum`,
-      },
-      {
-        role: 'user',
-        content: `Structured preferences:
+    input: `Structured preferences:
 Liked shows: ${JSON.stringify(input.liked)}
 Disliked shows: ${JSON.stringify(input.disliked)}
 Themes: ${JSON.stringify(input.themes)}
@@ -38,10 +37,7 @@ Tone: ${JSON.stringify(input.tone)}
 Avoid: ${JSON.stringify(input.avoid)}
 
 Generate a large, diverse pool of TV show candidates.`,
-      },
-    ],
   });
 
-  const content = response.choices[0]?.message?.content ?? '{"candidates":[]}';
-  return JSON.parse(content) as RetrievalOutput;
+  return (response.output_parsed as RetrievalOutput) ?? { candidates: [] };
 }