Add --out, --prefix, --no-inline flags and fix tmux inline images.

Add --size and --ratio flags for image generation.

Update README with cost tracking docs and current status line format.

Add per-response cost tracking, session/conversation totals, and pricing system.

Add --max flag to remove max_tokens cap for long responses.

Bump default max_tokens from 1024 to 16384.

Add assertInsideCwd guard to prevent file writes outside working directory.

Merge pull request #1 from F1LT3R/openrouter-continue-mode

Increase logo width in README

Rename logo.png to logo2.png

Update logo image in README.md

Add emoji feature list to README heading.

Update logo.

Update README with file attachments documentation.

Add file attachments support with drag-and-drop in interactive mode.