StreamClipper AI Faz 1: ingestion + sinyal analizi + STT + altyapı iskeleti

yt-dlp headless capture (15dk segmentleme), ses peak + chat velocity sinyal
tespiti, OpenAI Whisper STT (kelime zaman damgalı), BullMQ/Redis/Postgres
altyapısı ve kanal durumu + transkript kütüphanesi gösteren Next.js panel.
LLM virality skorlama, render/crop/altyazı ve multi-platform dağıtım bu
fazın kapsamı dışında.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.env.example

@@ -0,0 +1,21 @@
+# Local dev (running services directly on the host) uses localhost.
+# docker-compose overrides DATABASE_URL/REDIS_URL/SHARED_MEDIA_ROOT to
+# internal container hostnames — see infra/docker-compose.yml.
+DATABASE_URL=postgresql://streamclipper:streamclipper@localhost:5432/streamclipper
+REDIS_URL=redis://localhost:6379
+SHARED_MEDIA_ROOT=./shared-media
+
+# Canlı yayın tespiti yt-dlp ile yapılıyor (bkz. youtubePolling.ts) —
+# YouTube Data API key gerekmiyor.
+OPENAI_API_KEY=
+TELEGRAM_BOT_TOKEN=
+TELEGRAM_CHAT_ID=
+
+POLL_INTERVAL_MS=60000
+SEGMENT_TIME_SEC=900
+API_DAEMON_PORT=4001
+
+# Set to a live YouTube URL to bypass the 60s polling loop and start
+# capturing immediately — useful for testing the pipeline without waiting
+# for a real scheduled stream.
+FORCE_LIVE_URL=