Add pipeview-tui with ANSI escape sequence rendering

Full ratatui terminal application mirroring pipeview-gui:
- Single-session telemetry console with Text/Hex/Plot views
- Serial/TCP/UDP transport with full parameter config
- DTR/RTS control, auto-reconnect, data send (Text/Hex modes)
- Search with case-sensitive toggle and match navigation
- Interactive config form with inline editing
- ANSI SGR parsing via ansitok: 4-bit, 256-color, true color,
  bold/italic/underline/strikethrough rendering in text view
- Persistent session state via JSON
- Mouse clickable controls and mousewheel scroll/zoom

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

crates/pipeview-tui/Cargo.toml

@@ -22,3 +22,4 @@ image = { workspace = true }
 mlua = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
+ansitok = "0.3"