learning-engine

System records mistakes and successes, automatically learns patterns to improve skills. Automates "don't repeat same mistake" principle.

Learning Sources

1. memory/errors/

Extract failure patterns from error logs

# memory/errors/2026-02-14.md

## 10:30 - insta-post failure
- Cause: PNG file upload → "Problem occurred" error
- Fix: Retry after JPG conversion → Success
- Lesson: Always convert to JPG before Instagram upload

2. self-eval Results

Extract improvement points from weekly self-evaluation

# memory/self-eval/2026-W07.md

## This Week's Mistakes
- Too many browser snapshots (token waste)
- → Improvement: Call API directly via exec

## This Week's Successes
- 95% token savings with insta-cli v2 DM check

3. performance Data

Learn successful/unsuccessful patterns from performance tracking

{
  "insight": "Posts at 7-9 PM get +30% likes",
  "rule": "Instagram posts recommended 19:00-21:00"
}

Auto Rule Generation

Convert learned patterns to rules:

Location: memory/learned-rules/

memory/
  learned-rules/
    instagram-posting.md
    browser-automation.md
    api-usage.md
    error-recovery.md

Rule Format

# Instagram Posting Rules

## Rule #1: Always Convert to JPG
- **Situation**: Upload image to Instagram
- **Failure Pattern**: PNG file → "Problem occurred"
- **Solution**: `convert input.png -quality 92 output.jpg`
- **Evidence**: 2026-02-10, 2026-02-14 error logs
- **Applied Skills**: insta-post, cardnews, social-publisher

## Rule #2: 1:1 Ratio Required
- **Situation**: Instagram card news
- **Failure Pattern**: 16:9 horizontal → Cropped in feed
- **Solution**: Generate as 1024x1024 square
- **Evidence**: 2026-02-13 feedback
- **Applied Skills**: cardnews, nano-banana-pro

Inject Rules into Skills

Auto-add learned rules to relevant skill SKILL.md:

Location: skills/{skill-name}/SKILL.md

# insta-post

...

## Learned Lessons

### Image Processing
- ✅ Always convert to JPG (PNG causes errors)
- ✅ 1:1 ratio required (1024x1024 recommended)
- ✅ File size < 8MB

### Timing
- ✅ Posts at 19:00-21:00 get +30% engagement
- ❌ Avoid early morning posts

### Automation
- ✅ Call API via exec (0 snapshots)
- ❌ Minimize browser automation

Weekly Learning Report

Auto-generated every Monday:

Location: memory/learning/weekly-YYYY-Www.md

# 2026-W07 Learning Report

## New Learnings (5)

1. **Instagram PNG Ban**
   - 3 mistakes → Rule created
   - Applied: insta-post, cardnews

2. **Token Saving: exec > Browser**
   - v1: 5 snapshots → v2: 1 exec
   - 95% savings

3. **Optimal Posting Time**
   - 19:00-21:00 +30% likes

4. **Brand Tone Effect**
   - 무펭이 tone +40% engagement

5. **Auto Error Recovery**
   - browser-dependent failure → Browser restart

## Applied Skills
- insta-post (2 rules)
- cardnews (1 rule)
- performance-tracker (1 insight)