懶懶財經速報 (AI Lanren Bao)

AI-powered investment podcast & YouTube digest service. Automatically monitors Chinese-language investment content, transcribes episodes, analyzes with AI, and delivers free daily email digests to subscribers.

Architecture

RSS/YouTube → Transcription → AI Analysis → Digest Generation → Email Delivery
              (AssemblyAI)    (OpenRouter)   (OpenRouter)         (Resend)
              (Apify)

Stack: Next.js 16 / Supabase / GitHub Actions / PostHog

AI Models (via OpenRouter):

• google/gemini-3.1-pro-preview — episode analysis & digest generation
• perplexity/sonar-pro-search — real-time market brief

Daily Pipeline

Triggered by GitHub Actions at 01:30 UTC (09:30 Taiwan time) daily, or manually via npm run pipeline.

Pipeline steps (sequential):

1. Fetch feeds — RSS podcast episodes & YouTube videos
2. Transcribe — AssemblyAI (podcasts) / Apify (YouTube)
3. Analyze — AI analysis on completed transcriptions
4. Generate digest — Consolidated HTML email with market brief
5. Send emails — Personalized emails via Resend batch API

Monitored Sources

Sources are managed dynamically in the Supabase sources table.

Podcasts: Gooaye 股癌, 財經皓角翔起, 美股航海王, 韭菜畢業班, 美股投資學 財女珍妮

YouTube: Nick 美股咖啡館, NaNa说美股, 陽光財經

API Routes

Route	Method	Purpose
/api/signup	POST	New subscriber registration
/api/unsubscribe	GET	HMAC-based one-click unsubscribe
/api/sources	GET	List active sources
/api/preview-email	GET	Preview latest email template
/api/webhooks/resend	POST	Resend email event webhooks
/api/cron/*	GET	Pipeline step endpoints

Key Features

• Free daily email digests with KOL opinion summaries, risk alerts, catalysts, and episode highlights
• Market brief powered by Perplexity real-time search
• HMAC-based unsubscribe with List-Unsubscribe header support
• Buy Me a Coffee integration (conditional display on Tue/Fri, 7+ days after signup)
• PostHog analytics for signup/email/unsubscribe event tracking
• Ad slot infrastructure ready for future monetization

Setup

1. Copy .env.example to .env and fill in all values
2. npm install
3. Run Supabase migrations in supabase/migrations/ (in order)
4. npm run dev

Scripts

npm run dev              # Local development server
npm run pipeline         # Run full daily pipeline
npm run pipeline:test    # Test pipeline (dry run)

Deployment

Deploy to Vercel with environment variables configured. Daily pipeline runs via GitHub Actions (.github/workflows/daily-pipeline.yml).

Required services:

• Supabase project with migrations applied
• Resend domain with SPF/DKIM/DMARC configured
• PostHog project for analytics
• AssemblyAI, Apify, OpenRouter API keys