phase-7: code restructure

server/controllers/analyze.controller.ts

@@ -0,0 +1,30 @@
+import type { FastifyInstance, FastifyRequest, FastifyReply } from 'fastify';
+import type { LLMAnalyst } from '../services/LLMAnalyst';
+import { CatalystAnalyst } from '../services/CatalystAnalyst';
+import { analyzeSchema } from '../types/schemas';
+
+export class AnalyzeController {
+  constructor(
+    private readonly catalyst: CatalystAnalyst,
+    private readonly llm: LLMAnalyst,
+  ) {}
+
+  register(app: FastifyInstance): void {
+    app.post('/api/analyze', { schema: analyzeSchema }, this.analyze.bind(this));
+  }
+
+  private async analyze(req: FastifyRequest, reply: FastifyReply) {
+    if (!this.llm.isAvailable) {
+      return reply.code(400).send({ error: 'ANTHROPIC_API_KEY is not set in .env' });
+    }
+
+    const tickers = (req.body as { tickers: string[] }).tickers.map((t) => t.toUpperCase());
+
+    const stories = await this.catalyst.fetchStoriesForTickers(tickers);
+    if (!stories.length) return reply.code(200).send({ analysis: null, reason: 'no_stories' });
+
+    const { tickerFrequency } = CatalystAnalyst.rankTickers(stories);
+    const analysis = await this.llm.analyze(stories, tickers, tickerFrequency);
+    return { analysis };
+  }
+}