fix-issue

[IMPORTANT] Use TaskCreate to break ALL work into small tasks BEFORE starting — including tasks for each file read. This prevents context loss from long files. For simple tasks, AI MUST ask user whether to skip.

Understand Code First — Search codebase for 3+ similar implementations BEFORE writing any code. Read existing files, validate assumptions with grep evidence, map dependencies via graph trace. Never invent new patterns when existing ones work. MUST READ .claude/skills/shared/understand-code-first-protocol.md for full protocol and checklists.

Evidence-Based Reasoning — Speculation is FORBIDDEN. Every claim needs file:line proof. Confidence: >95% recommend freely, 80-94% with caveats, <80% DO NOT recommend — gather more evidence. Cross-service validation required for architectural changes. MUST READ .claude/skills/shared/evidence-based-reasoning-protocol.md for full protocol and checklists.

• docs/project-reference/domain-entities-reference.md — Domain entity catalog, relationships, cross-service sync (read when task involves business entities/models) (content auto-injected by hook — check for [Injected: ...] header before reading)

Estimation Framework — SP scale: 1(trivial) → 2(small) → 3(medium) → 5(large) → 8(very large, high risk) → 13(epic, SHOULD split) → 21(MUST split). MUST provide story_points and complexity estimate after investigation. MUST READ .claude/skills/shared/estimation-framework.md for full protocol and checklists.

Skill Variant: Variant of /fix — debug and fix GitHub issues with systematic investigation.

Quick Summary

Goal: Investigate and fix bugs reported as GitHub issues with full traceability.

Workflow:

1. Fetch — Read GitHub issue details (title, description, reproduction steps)
2. Reproduce — Trace the reported behavior in code
3. Fix — Apply fix with root cause evidence

Key Rules:

• Debug Mindset: every claim needs file:line evidence
• Link fix back to the GitHub issue for traceability
• Verify fix addresses the specific reproduction steps from the issue

[MANDATORY] Read .claude/skills/shared/root-cause-debugging-protocol.md BEFORE proposing any fix. Responsibility attribution and data lifecycle tracing are required.

$ARGUMENTS

Debug Mindset (NON-NEGOTIABLE)

Be skeptical. Apply critical thinking, sequential thinking. Every claim needs traced proof, confidence percentages (Idea should be more than 80%).

• Do NOT assume the first hypothesis is correct — verify with actual code traces
• Every root cause claim must include file:line evidence
• If you cannot prove a root cause with a code trace, state "hypothesis, not confirmed"
• Question assumptions: "Is this really the cause?" → trace the actual execution path
• Challenge completeness: "Are there other contributing factors?" → check related code paths
• No "should fix it" without proof — verify the fix addresses the traced root cause

⚠️ MANDATORY: Confidence & Evidence Gate

MANDATORY IMPORTANT MUST declare Confidence: X% with evidence list + file:line proof for EVERY claim. 95%+ recommend freely | 80-94% with caveats | 60-79% list unknowns | <60% STOP — gather more evidence.

⚠️ Validate Before Fix (NON-NEGOTIABLE): After root cause analysis, MUST present findings + proposed fix to user via AskUserQuestion and get explicit approval BEFORE any code changes. No silent fixes.

Activate debug-investigate skill and follow its workflow.

IMPORTANT: Always use external memory at .ai/workspace/analysis/issue-[number].analysis.md for structured analysis. Re-read ENTIRE analysis file before proposing any fix — this prevents knowledge loss.

🛑 Present root cause + proposed fix → AskUserQuestion → wait for user approval before implementing.

See .claude/docs/AI-DEBUGGING-PROTOCOL.md for comprehensive guidelines.

⚠️ MANDATORY: Post-Fix Verification

After applying the fix, MUST run /prove-fix — build code proof traces per change with confidence scores. Never skip.

Standalone Review Gate (Non-Workflow Only)

MANDATORY IMPORTANT MUST: If this skill is called outside a workflow (standalone /fix-issue), you MUST create a TaskCreate todo task for /review-changes as the last task in your task list. This ensures all changes are reviewed before commit even without a workflow enforcing it.

If already running inside a workflow (e.g., bugfix), skip this — the workflow sequence handles /review-changes at the appropriate step.

Closing Reminders

MANDATORY IMPORTANT MUST break work into small todo tasks using TaskCreate BEFORE starting. MANDATORY IMPORTANT MUST validate decisions with user via AskUserQuestion — never auto-decide. MANDATORY IMPORTANT MUST add a final review todo task to verify work quality. MANDATORY IMPORTANT MUST READ the following files before starting:

• MUST READ .claude/skills/shared/understand-code-first-protocol.md before starting
• MUST READ .claude/skills/shared/evidence-based-reasoning-protocol.md before starting
• MUST READ .claude/skills/shared/estimation-framework.md before starting