YouTube rate limit protection + progressive retry system

- New: tools/yt_download.py with cookies support + rate limit tracking
- New: docs/YOUTUBE-SETUP.md complete documentation
- Updated: night-execute jobs to use new script
- Updated: TOOLS.md with YouTube section
- Added: 5 new YouTube notes (OpenClaw, cost optimization, task system, leads)
- Added: credentials/ to .gitignore

memory/approved-tasks.md

@@ -6,6 +6,23 @@ Job-ul night-execute procesează tot din "Noaptea asta".
 
 ## 🌙 Noaptea asta
 
+**Analiză sistem:**
+- [x] ANALIZĂ: Sistem import bonuri PDF via Telegram/Discord/WhatsApp → roa2web
+  - ✅ Salvat: memory/kb/projects/analiza-import-bonuri-pdf.md
+  - Arhitectură, flux, provocări, plan implementare (12-21 ore MVP)
+
+**OpenClaw/Clawdbot:**
+- [x] https://youtu.be/p9acrso71KU (Clawdbot to Moltbot to OpenClaw: The 72 Hours That Broke Everything)
+- [x] https://youtu.be/lxfakTpdz1Y (Set up ClawdBot so you save THOUSANDS of dollars)
+- [x] https://youtu.be/4_2j5wgt_ds (Claude Code Task System: ANTI-HYPE Agentic Coding)
+  - ⚠️ YouTube rate-limited (429) - retry mâine
+
+**Primit seara:**
+- [ ] https://youtu.be/lxfakTpdz1Y
+  - ⚠️ YouTube rate-limited (429) - retry mâine
+- [ ] https://youtu.be/4_2j5wgt_ds
+  - ⚠️ YouTube rate-limited (429) - retry mâine
+
 **Monica Ion:**
 - [x] https://www.youtube.com/watch?v=kYF1sPTkuNM (Povestea lui Marc #3)