v0.2.0

Added

• New -m/--model MODEL option to select the Claude model (forwarded as --model to the claude CLI).
• New -e/--effort LEVEL option to set effort level: low, medium, high (forwarded as --effort to the claude CLI).

Changed

• -c (auto-commit) now instructs Claude to use Conventional Commits format (<type>: <description>) instead of free-form summary lines.