Dev Fix Skill

[!IMPORTANT] Unified developer workflow for fixing bugs. Analyzes issue-tracker context, cross-checks docs/code, proposes a solution, implements the fix, verifies locally, and delivers a PR/MR.

Optional args: slug=, ticket=<id/url>, mode=interactive|autonomous|channel, channel=, auto_continue=true|false, profile=business|hybrid|technical.

Instructions

When the user asks to perform this workflow, execute the following steps:

Dev-Fix — Bug Remediation

Goal: Take a bug ticket from root-cause analysis through a locally-verified PR/MR, enforcing a strict Propose -> Approve -> Verify cycle.

Input

/dev-fix <issue-url-or-key>

Workflow

Step 0: Environment Prep (Turbo)

// turbo

1. Sync Registry: git pull origin main in the standard repo.

Step 1: Research & Discovery (Implementation Plan Phase)

[!TIP] Sub-Agent Delegation: If your platform supports sub-agents, delegate ticket extraction to specialist-jira-analyst and context lookup to specialist-codebase-scout. If sub-agents are NOT supported, execute these steps yourself.

1. Analyze Ticket: Use installed Jira/GitHub/GitLab/ADO MCP first; otherwise use exported ticket text. Extract Reproduce steps, Expected Result, and Actual Result.
2. Cross-Check Context: Use knowledge-base MCP when configured; otherwise use local code search. Locate relevant code.
3. Create Implementation Plan:
   • Use the Implementation Plan Template below.
   • Initialize project-local docs/prd/prd-plan-[slug].md.
   • Goal: Clear description of the root cause.
   • Proposed Changes: Exact files and logic to be modified.
   • Verification Plan: Detail which QE skill will be used to verify the fix locally before PR.
   • Do not propose code changes until repro steps, expected result, and root cause hypothesis are explicit.
   • SNC: score per common-task-complexity-routing; record snc_tier/model_tier in the plan.
4. HARD STOP: Request user approval for the implementation plan. Mandatory at snc_tier=high; medium requires self-review first; low may skip approval in autonomous mode only.
5. Readiness Gate: Run implementation-readiness; code only after READY or approved PARTIAL.

Step 2: Implementation (TDD Phase)

[!TIP] Sub-Agent Delegation: For the actual fix, delegate the TDD loop to specialist-tdd-implementer. If sub-agents are NOT supported, execute the TDD loop yourself using the TDD skill matched in AGENTS.md.

1. Worktree Branching: Create a new worktree for the fix using git worktree add ../<ticket-key> -b fix/<ticket-key> and cd into it.
2. Task Tracking:
   • Use the Task Template below.
   • Initialize project-local docs/srs/srs-task-list.md.
3. Code: Implement the fix using common-tdd or the @specialist-tdd-implementer sub-agent. Follow common-best-practices and service-specific AGENTS.md rules.
   • Use common-tdd: strict RED first for new behavior; for legacy fixes, characterize only when needed and reproduce the intended change as RED without deleting unrelated implementation.
   • Record the Test Intent Record and run the smallest foreground, single-run target with a project timeout or 120-second fallback before escalating.

Step 3: Local Verification (Enterprise Standard)

Do NOT rely on "it builds" — verify the fix against the issue reproduction steps.

1. Launch Dev Server: Run the local dev environment for the service.
2. Execute QE Audit:
   • Web: Load quality-engineering-playwright-cli. Run its preflight, take the first driver rung (CLI, else Playwright MCP). Run the reproduction steps. Capture "After" snapshots.
   • Mobile: Load quality-engineering-appium-mcp. Run its preflight, take the first driver rung (local device, else cloud). Run the reproduction steps.
3. Final Verdict: Compare results against the issue Expected Result. If any sub-3px regressions exist, fix them now.
   • No success claim without fresh local evidence in docs/srs/srs-walkthrough.md.

Step 4: Deliver PR

1. Commit: Generate a commit message using caveman-commit.
2. PR/MR Details: Draft provider-appropriate PR/MR notes and link the source issue.
3. Walkthrough:
   • Use the Walkthrough Template below.
   • Create project-local docs/srs/srs-walkthrough.md with evidence of the local verification.

---

Runtime Contract

• Use for bug tickets that need root-cause remediation and a PR/MR.
• Required inputs: issue URL/key or exported ticket text with reproduce steps.
• Accepts a test-loop REAL_BUG_DO_NOT_HEAL handoff as the ticket input: the healer's TEST: and EVIDENCE: lines plus the failing AC are the reproduce steps.
• Return BLOCKED only when repro steps, expected result, or root-cause hypothesis cannot be established.

Handoff Payload

• slug, operator_profile (carried, not re-inferred), snc_tier, model_tier, implementation plan path, task list path, walkthrough path, PR/MR link, outcome report, next workflow.

Blocking Questions

• Ask max 3 at a time with a recommended default and 2-3 options.

Artifact Templates

Implementation Plan Template

# Implementation Plan: [Name]

## Goal

## Proposed Changes

## Task Slices

| Slice   | Scope   | Verification   |
| ------- | ------- | -------------- |
| [slice] | [scope] | [verification] |

## Risks

## Verification Plan

## Next Workflow
implementation-readiness

Task Template

# Task: [Name]

## Scope

## Checklist

- [ ] [task]

## Decisions

## Evidence

## Next Workflow
verify-work

Walkthrough Template

# Walkthrough: [Name]

## Scope

## Acceptance Criteria

## Evidence

| Check   | Result              | Evidence   |
| ------- | ------------------- | ---------- |
| [check] | [PASS/FAIL/BLOCKED] | [evidence] |

## Risks

## Outcome Report
feature_status: implemented | partially_implemented | blocked
requirement_trace: BRD-OBJ-* -> REQ-* -> AC-* -> SRS-* -> evidence
completed_evidence: []; missing_evidence: []; decision_needed: []; recommended_next_workflow: verify-bug | verify-work

## Next Workflow
verify-bug | verify-work

Cost Report

Call get_session_cost(workflow="dev-fix") before final handoff.

Anti-Patterns

• No Blind Implementation: Never write code before the implementation plan is approved.
• No Orphan Sessions: Always close browser/appium sessions used during verification.
• No skipping local verify: "I checked it manually" is not enough. Provide snapshots/logs in the project-local docs/srs/srs-walkthrough.md.