Phase 21: container terminal (web exec), local + agent (0.27.0)

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Interactive shell into a compose-managed container over WebSocket + xterm.js,
opened from the container card on the stack Overview tab. Admin-only (non-admin
handshake rejected with 4403); only containers with the compose project label
are reachable.

- backend services/exec_service.py: create/start/resize exec + a shared
  bidirectional pump_exec (recv/sendall on sock._sock, executor thread,
  resize control frames, exit-code frame).
- routers/ws.py: _authorize_admin + /ws/exec/{container_id} and the
  /ws/agent-exec/{agent_id}/{container_id} proxy (forwards BOTH directions).
- agent_app.py: /agent/ws/exec/{container_id}.
- frontend: @xterm/xterm + @xterm/addon-fit; ContainerTerminal modal (shell
  picker, fit/resize, exit/error handling) + a Terminal button on ContainerCard.

Live-verified (TestClient): local happy/exit/guard/4403/4401, agent happy/4401,
proxy bidirectional round-trip.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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This commit is contained in:

menzelj

2026-06-09 12:53:21 +00:00

co-authored by Claude Opus 4.8

parent b44a5b9f86

commit be3568274f

10 changed files with 3014 additions and 6 deletions

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