Blomios
0660f52e2b
Navigating (layout/tab switch) tore the xterm view down and called handle.close(), killing the backend PTY and cutting off running AIs. Now the view's cleanup only detaches; only an explicit user action kills a PTY. Backend: - PortablePtyAdapter: per-session scrollback ring buffer (~100KB, most recent) + re-subscribable fan-out broadcast replacing the single-take output_rx. Reader thread feeds both the ring buffer and current subscribers; on EOF it closes subscribers (streams end) while keeping scrollback for late re-attach. - PtyPort: new scrollback() method; subscribe_output is now re-subscribable (all impls + test fakes updated). - reattach_terminal IPC command: returns scrollback and re-wires a fresh output channel on the live session without re-spawning. - CloseRequested hook kills all live PTYs cleanly on app shutdown. - TerminalSessions::handles() to enumerate live sessions at shutdown. Frontend: - TerminalHandle.detach(); TerminalGateway/AgentGateway.reattach() + mocks. - TerminalView cleanup detaches (never close); on mount it re-attaches to a persisted session (repainting scrollback) instead of opening a new PTY. - LayoutGrid persists the cell's session id via setSession; AgentsPanel tracks per-agent session ids — both drive reattach-vs-open. Tests: ring buffer bounds to 100KB keeping newest bytes; scrollback retained; re-subscription delivers post-reattach output; TerminalView detaches (not closes) on unmount and reattaches with a known session; mock detach/reattach. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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