Implement Feature Skill [!IMPORTANT] Implement an approved feature plan with fresh-context slices, TDD, evidence, and PR-ready output. Instructions When the user asks to perform this workflow, execute the following steps: Implement Feature Workflow Goal: Build an approved feature through TDD slices and route completed work to verification. Steps 1. Load plan: - PRD or ticket - SRS/FRS technical design if present - Implementation plan - Matched framework and common skills 2. Prepare workspace: - Confirm clean or intentionally dirty git state. - Create branch or worktree only when project workf…