Replace zsh vared with bash read -e -i for inline editing

Remove multi-step support, simplify to single tool per turn

Expand Slack integration plan with Lambda, Docker, and DataDog details

Add Slack integration plan with DataDog monitoring notes

Remove dead fetch.sh references from tests and README

Use lightpanda as primary search backend with curl fallback

Add edit option to spellcheck prompt with pre-filled input

Add tests for macOS compat fixes: timestamp, blocklist, search, context isolation

Update README.md - Add demo video

Use zsh vared for pre-filled editable input on macOS

Clear LAST_RESULT between user requests to prevent context bleed

Use python3 readline for pre-filled edit prompt on macOS

Flush stdin after read -n 1 to prevent buffer leak into edit prompt

Support edit action for search, read, and shell tools

Block rm without flags on dangerous paths (/, ~, .., .)