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Worker Not Running

Symptom: No quiz questions after sessions. vl status shows no sessions. 
# Check if worker is running
curl http://127.0.0.1:37778/api/readiness
# Should return: {"status":"ready"}

# View logs
tail -50 ~/.vibelearn/logs/vibelearn-$(date +%Y-%m-%d).log

# Restart worker
bun ~/.claude/plugins/marketplaces/vibelearn/scripts/worker-wrapper.cjs restart

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No Quiz Questions After Session

Check 1: Was an AI provider configured? 
cat ~/.vibelearn/settings.json
# Should have VIBELEARN_GEMINI_API_KEY or VIBELEARN_OPENROUTER_API_KEY
Check 2: Did the analysis pipeline run? 
grep "analyze" ~/.vibelearn/logs/vibelearn-$(date +%Y-%m-%d).log | tail -20
Check 3: Were any files edited? VibeLearn needs Write/Edit observations to generate meaningful concepts. Sessions that only read files may produce no concepts. Check 4: LLM provider errors? 
grep -i "error\|gemini\|openrouter" ~/.vibelearn/logs/vibelearn-$(date +%Y-%m-%d).log | tail -20

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Hooks Not Firing

Claude Code:
  1. Check plugin is installed: /plugin list — should show vibelearn
  2. Verify hooks in ~/.claude/plugins/marketplaces/vibelearn/
  3. Reload Claude Code
Cursor: 
# Verify hook scripts are executable
chmod +x ~/.cursor/hooks/*.sh

# Check Cursor Settings → Hooks tab for errors

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Database Issues

Database locked: 
# Check for stuck processes
lsof ~/.vibelearn/vibelearn.db

# If safe, kill them and restart worker
Inspect the database directly: 
sqlite3 ~/.vibelearn/vibelearn.db << 'SQL'
SELECT COUNT(*) as sessions FROM sdk_sessions;
SELECT COUNT(*) as concepts FROM vl_concepts;
SELECT COUNT(*) as questions FROM vl_questions;
SELECT COUNT(*) as pending FROM vl_questions
  WHERE id NOT IN (SELECT question_id FROM vl_quiz_attempts);
SQL

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vl quiz Shows No Questions

# Check pending questions
sqlite3 ~/.vibelearn/vibelearn.db \
  "SELECT COUNT(*) FROM vl_questions WHERE id NOT IN (SELECT question_id FROM vl_quiz_attempts);"
If 0: No questions generated yet — check LLM provider and run another session. If > 0: CLI issue. Check: 
vl status   # Shows if `vl` CLI can connect to the database

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Sync Failures

# Check sync queue
sqlite3 ~/.vibelearn/vibelearn.db \
  "SELECT status, attempts, last_attempted_at FROM vl_sync_queue ORDER BY id DESC LIMIT 10;"
If status = 'failed' with 5 attempts: sync permanently failed. Check:
  1. vl login <api-key> — verify API key is set
  2. Network connectivity to api.vibelearn.dev
Verify auth status: 
vl login --status

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Port 37778 Already in Use

lsof -i :37778

# Or change the port in settings
# ~/.vibelearn/settings.json: "VIBELEARN_WORKER_PORT": "37779"

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Gemini Rate Limit

The free Gemini tier allows 1500 requests/day. VibeLearn uses 2 per session (concepts + quiz), so you can run up to 750 sessions/day on the free tier. If you hit the limit:
  1. Wait until midnight Pacific (resets daily)
  2. Add an OpenRouter key as fallback: "VIBELEARN_OPENROUTER_API_KEY": "sk-or-..."

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Check Installed Version

cat ~/.claude/plugins/marketplaces/vibelearn/package.json | jq .version

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Full Reset (Last Resort)

# Stop worker
curl -X POST http://127.0.0.1:37778/api/admin/shutdown

# Delete database (DESTROYS ALL LEARNING DATA)
rm ~/.vibelearn/vibelearn.db

# Reinstall (Claude Code)
/plugin uninstall vibelearn
/plugin install vibelearn