fix: use &Path instead of &PathBuf (clippy ptr_arg)

fix: update tests to match new output format

fix: remove --all-features from CI (cuda/vulkan not available)

Update README.md

docs: update subtitle

docs: add installation section with curl script

style: fix formatting (cargo fmt)

refactor: use 'vgrep install <agent>' subcommand structure

fix: use correct dtolnay/rust-toolchain action

feat: add agent integrations (Claude Code, OpenCode, Codex, Factory Droid)

Initial release: local semantic code search