/autofix - Automated Error Triage & Fix

Pull production errors, check if they're already fixed, prioritize what matters, and ship fixes — all in one command.

Target: $ARGUMENTS

Workflow

Step 1: Detect Error Source

If using Sentry, first inform the user and verify the Sentry CLI is installed:

"This workflow requires the Sentry CLI. Checking if sentry-cli is available..."

sentry-cli --version

If not installed, stop and instruct: npm install -g @sentry/cli or see https://docs.sentry.io/cli/installation/

Then check which error source is available:

# Check for Sentry
echo $SENTRY_AUTH_TOKEN | head -c 4

# Check for error log files
ls logs/ error.log *.log 2>/dev/null

If no source detected, ask user:

"No error source detected. Set SENTRY_AUTH_TOKEN, SENTRY_ORG, SENTRY_PROJECT for Sentry, or provide error logs."

Step 2: Fetch Errors

Sentry mode:

curl -s -H "Authorization: Bearer $SENTRY_AUTH_TOKEN" \
  "https://sentry.io/api/0/projects/$SENTRY_ORG/$SENTRY_PROJECT/issues/?query=is:unresolved&statsPeriod=${TIMEFRAME:-24h}&sort=freq"

Log mode:

# Extract unique errors from logs
grep -E "(Error|Exception|FATAL|CRITICAL)" logs/*.log | sort -u

Parse each error: message, stack trace, frequency, timestamp.

Step 3: Cross-Reference

For each error, run three checks in parallel:

1. Git history — git log --since="${TIMEFRAME:-24 hours ago}" --all -- {file} for recent fixes
2. Open PRs — gh pr list --state open --search "{error-keyword}" for in-progress fixes
3. Codebase — Grep for the exact error location to verify it still exists

Classify:

• FIXED — Recent commit addresses the error
• PR_OPEN — Open PR targets the file/error
• NEEDS_FIX — No existing fix

Step 4: Prioritize into 3 Tiers

For log-based errors without event counts, use recency and frequency in log file.

Step 5: Present Report

Display the triage to the user:

## Autofix Report — {date}

Period: Last {timeframe}
Source: {sentry|logs}

ALREADY FIXED (3):
  - "Connection timeout" → fixed in abc1234
  - "Null ref in CartService" → PR #42 open

P0 CRITICAL (1):
  1. TypeError in src/api/users.ts:45 — 342 events, 89 users
     Root cause: Missing null check on user.profile

P1 IMPORTANT (2):
  2. UnhandledRejection in src/services/payment.ts:112 — 28 events
  3. RangeError in src/utils/date.ts:67 — 15 events

P2 LOW (4):
  4-7. [listed with brief descriptions]

Select issues to fix: [1,2,3] or "all-p0" or "all"

Step 6: Auto-Fix Selected Issues

For each selected issue:

1. Create branch: fix/autofix-{id}-{short-desc}
2. Analyze stack trace + surrounding code (read 50 lines above/below)
3. Implement fix with proper error handling
4. Run tests: npm test or detected test runner
5. If --auto-pr flag set, create PR automatically:

   gh pr create --title "fix: {error-title}" --body "..."

6. Otherwise, show diff and ask user to confirm

Output

## /autofix Results

**Source:** {sentry|logs}
**Period:** {timeframe}
**Triaged:** {n} issues

| Tier | Count | Fixed | PR Created |
|------|-------|-------|------------|
| P0   | {n}   | {n}   | {n}        |
| P1   | {n}   | {n}   | {n}        |
| P2   | {n}   | {n}   | {n}        |

### PRs Created
- `fix/autofix-123-null-check` → PR #45
- `fix/autofix-456-timeout-handler` → PR #46

Anti-Rationalization

Rules

1. Never store auth tokens in files — environment variables only
2. Never auto-merge — all PRs require human review
3. Never resolve/dismiss Sentry issues — only create fixes
4. Always run the existing test suite before creating a PR
5. Always include the error source link (Sentry URL or log reference) in PRs
6. Respect --timeframe flag (default: 24h)
7. If --auto-pr is not set, always ask before creating PRs
8. Group related errors (same root cause) into a single fix when possible