Replace the hand-rolled contains() function with the standard library strings.Contains(). Also removes the redundant len(data) > 0 check since strings.Contains handles empty strings correctly. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds shell integration for automatic Gas Town context detection. Features: - `gt enable` / `gt disable` - Global on/off switch - `gt shell install|remove|status` - Shell integration management - `gt rig quick-add [path]` - One-command project setup - `gt uninstall` - Clean removal with options - Shell hook auto-sets GT_TOWN_ROOT/GT_RIG on cd Implementation: - XDG-compliant state storage (~/.local/state/gastown/) - Safe RC file manipulation with block markers - Environment overrides (GASTOWN_DISABLED/ENABLED) - Doctor check for global state validation Co-authored-by: Sohail Mohammad <sohailm25@gmail.com>
