chore: release v7.1.0

- Task-specific launcher script (claude-launch.sh) with profiles
- Lean/full profile switching for token optimization
- Token usage estimation via /sprint-status --tokens
- Conditional skill loading in /sprint-status
- Fixed stale command references in docs

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+---
+
+## [7.1.0] - 2026-02-04
+
 ### Added
 
 - **marketplace:** Task-specific launcher script for token optimization