chore(deps): bump git2 from 0.19.0 to 0.20.4 in /ecc2 in the cargo group across 1 directory
- PTY output capture via tokio::process with stdout/stderr piping - Ring buffer (1000 lines) per session - Output pane wired to show selected session with auto-scroll - Broadcast channel for output events
- Table widget with columns: ID, Agent, State, Branch, Tokens, Duration - Color-coded states: green=Running, yellow=Idle, red=Failed, gray=Stopped, blue=Completed - Summary bar with running/completed/failed counts - Row selection highlighting