Mistakes

Track and review the user's mistake patterns.

Action requested: $ARGUMENTS (log | list | stats | review | clear)

If no action specified, show stats.

Categories tracked:

• edge-cases: Missing boundary conditions
• off-by-one: Index/loop errors
• complexity: Wrong time/space analysis
• pattern: Chose wrong algorithm
• syntax: Language-specific errors
• communication: Unclear explanation
• testing: Insufficient test cases

Actions:

log: Ask user to describe their mistake, then:

1. Categorize it
2. Store in data/mistakes.json with timestamp
3. Set next review date (spaced repetition)

list: Show all tracked mistakes with:

• Date logged
• Category
• Description
• Next review date

stats: Show frequency by category:

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
MISTAKE STATS
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Edge Cases      ████████░░░░  8 (32%)
Off-by-One      ██████░░░░░░  6 (24%)
Complexity      ████░░░░░░░░  4 (16%)
...
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Total: 25 mistakes tracked

FOCUS AREAS:
Your top weakness is Edge Cases. Practice:
• Two Sum (empty array, single element)
• Valid Palindrome (empty string)
• Merge Intervals (no intervals)

review: Get 3 problems targeting the user's weakest category

clear: Reset mistake history (confirm first)