feat: restore g ls and g ll commands

- Add back separate g ls (short list) and g ll (detailed list) commands
- Keep g h as alias for g ls for backward compatibility
- Update documentation and quick help to show all three options
- Users now have: g ls, g ll, and g h for commit history
- Version bump to 0.6.3

README.md

@@ -32,7 +32,9 @@ g o    # AI commit + push
 | `g i` | Interactive commit wizard |
 | `g o` | AI commit + push |
 | `g l` | AI commit locally |
-| `g h` | Commit history |
+| `g ls` | Commit history (short) |
+| `g ll` | Commit history (detailed) |
+| `g h` | Commit history (alias for ls) |
 | `g a` | Smart amend |
 
 ## 🤖 AI Models
@@ -51,7 +53,7 @@ g o              # Quick commit + push
 
 # Advanced
 g sg --multiple  # Get 3 AI suggestions
-g h --detailed   # Detailed history
+g ll             # Detailed history
 g sync --rebase  # Smart sync
 ```