feat(tui): polish TUI with markdown rendering, tool styling, and multi-line input #127

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	workflow_dispatch:

	env:
	CARGO_TERM_COLOR: always

	jobs:
	check:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v6

	- name: Set up Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt, clippy

	- name: Cache dependencies
	uses: Swatinem/rust-cache@v2

	- name: Format
	run: cargo fmt --all --check

	- name: Clippy
	run: cargo clippy --all-targets -- -D warnings

	- name: Test
	run: cargo test

Provide feedback