Developer
ea42165ed2
- Queue bounded ordered terminal input so acknowledgements remain responsive - Prevent stale sockets and retries from replacing healthy connections - Preserve desktop scrollback behavior and add terminal regression coverage Quality gates: frontend tests (91 passed), typecheck, lint, build, Python compilation, LSP diagnostics. Backend pytest skipped by user request.
28 lines
1.6 KiB
Markdown
28 lines
1.6 KiB
Markdown
# Fix Web Terminal Resilience — Tasks
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## Review Workload Forecast
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| Field | Value |
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| ------- | ------- |
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| Estimated changed lines | 180–280 |
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| 400-line budget risk | Low |
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| Chained PRs recommended | No |
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| Suggested split | Single focused change |
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| Delivery strategy | single-pr |
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| Chain strategy | feature-branch-chain |
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Decision needed before apply: No
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Chained PRs recommended: No
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Chain strategy: feature-branch-chain
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400-line budget risk: Low
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## Tasks
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- [x] **RED — backend input/control concurrency:** characterize a PTY write that waits for readiness while an acknowledgement is received; prove the acknowledgement is handled without waiting for that write to finish.
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- [x] **GREEN — ordered input writer:** move PTY writes behind one cancellable ordered queue/worker while retaining the current public WebSocket message protocol and input ordering.
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- [x] **TRIANGULATE — lifecycle:** cover worker cancellation and queued-write failure/disconnect handling.
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- [x] **RED — frontend socket ownership:** characterize stale close/retry callbacks after a newer socket has become current.
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- [x] **GREEN — reconnect ownership:** ensure only the current socket can update state or schedule a retry; cancel retry timers during cleanup.
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- [x] **REFACTOR:** keep the connection lifecycle readable and avoid changing the intentional desktop scrollback configuration.
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- [x] **Verify:** run targeted backend and frontend tests, frontend typecheck/lint/build, backend checks practical in the isolated worktree, and inspect diagnostics. (Backend pytest is unavailable locally: no pytest/uv executable; Docker test execution was explicitly declined.)
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