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🤖 refactor: split startReservedAgentTaskLeased, part 4: materialize and checkout reads - #7759

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refactor/task-launch-split-3from
refactor/task-launch-split-4
Oct 30, 2026
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ThomasK33 merged 1 commit into
refactor/task-launch-split-3from
refactor/task-launch-split-4

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Summary

Part 4 of 5. It moves the init logger, the runtime and this.materializeReservedTaskWorkspace(...) into materializeLaunchCheckout, and the row check after the fork with the parent's runtime update into updateLaunchSourceRuntime. CC 32 → 23. Changed lines: 28, because parts 1 and 3 already moved the code these steps call.

No behaviour change: same calls to other methods, same awaits, same order. A script inlines every step and compares the call, await, write, return and throw sequence with the parent commit: identical at every part (it caught void for await, a moved statement and a dropped await in its self-test). Each new step has CC 7 or less, with 100 % line coverage. startReservedAgentTask and materializeReservedTaskWorkspace are still method calls, so the tests that spy on them still apply. The steps form a chain: each step calls the next right after its own last await, so no write, admission or send moves a microtask later.


Generated with xum • Model: anthropic:claude-opus-5-5 • Thinking: high • Cost: $351.07

…nd checkout reads

The materialize step and the row check after it move into two steps that
the method calls once, after the desktop admission. No behaviour change.

- materializeLaunchCheckout: taskWasShared (read from the row the launch
  started with), the init log (startWorkspaceInit before the fork), the
  runtime from the parent's persisted path, the materialize call (still
  this.materializeReservedTaskWorkspace, which tests spy on), its throw and
  null exits, then the checkout record with sharesParentCheckout derived from
  the materialized result, and the abort check.
- updateLaunchSourceRuntime: the row check after the fork (gone: cleanup; not
  starting: end the init log), then the parent's runtime config write and
  emit when the fork changed it, then the persist step.

The row the launch started with is passed in as the snapshot it read before
its first await, never re-read.

startReservedAgentTaskLeased: CC 32 -> 23. New steps: CC 7, 4.

---

_Generated with `xum` • Model: `anthropic:claude-opus-5-5` • Thinking: `xhigh`_

<!-- mux-attribution: model=anthropic:claude-opus-5-5 thinking=xhigh -->
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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-30T10:47:28.176138Z 78cb01c Manual request
🔒 Security Review ✅ Completed 2026-10-30T10:48:42.158710Z 78cb01c Manual request
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@ThomasK33
ThomasK33 added this pull request to stack #7762 October 30, 2026 10:45
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Codex Review: Didn't find any major issues. Nice work!

Reviewed commit: 78cb01cf67

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🛡️ Codex Security Review · Automatically triggered

Security review completed. No security issues were found in this pull request.

Reviewed commit: 78cb01cf67

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🟢 e2e stories (Haiku): 14 passed

22 agent steps · 7 replayed from cache · 15 model calls · 46.4k tokens (27% cached)
Spend: $0.09 of the $1.00 cap (proxy ledger)

All 14 tests in 9 files
Test Agent Time
🟢 chatRestart.e2e.ts · 1 passed 1 step · 1 call 5.3s
🟢 a chat survives a restart of the server 1 step · 1 call 5.3s
🟢 compaction.e2e.ts · 1 passed 1 step · 1 call 4.3s
🟢 /compact replaces the old chat with a summary 1 step · 1 call 4.3s
🟢 pluginTrustRestart.e2e.ts · 1 passed 4 steps · 2 calls 9.1s
🟢 a trusted plugin hook stays trusted after the server restarts 4 steps · 2 calls 9.1s
🟢 settingsRoundTrip.e2e.ts · 1 passed 2 steps · 1 call 9.0s
🟢 a chat survives trips through Settings 2 steps · 1 call 9.0s
🟢 sidebarPerWorkspace.e2e.ts · 1 passed 4 steps · 1 call 4.3s
🟢 a new workspace starts with its right sidebar collapsed while another keeps it open 4 steps · 1 call 4.3s
🟢 smoke.e2e.ts · 1 passed 2 steps · 1 call 2.6s
🟢 the agent opens the playground workspace 2 steps · 1 call 2.6s
🟢 streamErrors.e2e.ts · 1 passed 1 step · 1 call 9.9s
🟢 stream errors show in the chat, and the chat recovers 1 step · 1 call 9.9s
🟢 todoNudge.e2e.ts · 1 passed 1 step · 1 call 2.8s
🟢 the agent finishes open TODO items after the turn-end nudge 1 step · 1 call 2.8s
🟢 touchAlignment.e2e.ts · 6 passed 6 steps · 6 calls 21.4s
🟢 the Settings close button is level with the title on a touch screen 390px wide 1 step · 1 call 4.1s
🟢 the Settings close button is level with the title on a touch screen 768px wide 1 step · 1 call 3.9s
🟢 Backup settings checkboxes are small and level with their labels on a touch phone 1 step · 1 call 4.8s
🟢 the heartbeat checkbox is small and level with its label on a touch phone 1 step · 1 call 3.2s
🟢 a reply's model and time stay on one line on a touch phone 1 step · 1 call 2.8s
🟢 the workspace actions menu stays on the title row on a touch phone 1 step · 1 call 2.6s

e2e 0.20.0 · 1m 12s · web · run artifacts

🟢 e2e Electron stories (Haiku): 3 passed

3 agent steps · 3 model calls · 8.0k tokens (32% cached)
Spend: $0.01 of the $1.00 cap (proxy ledger)

All 3 tests in 3 files
Test Agent Time
🟢 electron/deepLink.e2e.ts · 1 passed 1 step · 1 call 6.0s
🟢 a deep link of a second launch starts a chat in the running app 1 step · 1 call 6.0s
🟢 electron/menuBar.e2e.ts · 1 passed 1 step · 1 call 5.9s
🟢 the workspace menu bar is the desktop title bar 1 step · 1 call 5.9s
🟢 electron/smoke.e2e.ts · 1 passed 1 step · 1 call 4.8s
🟢 Xum Electron opens the playground workspace 1 step · 1 call 4.8s

e2e 0.20.0 · 18.9s · electron · run artifacts

🟢 e2e agent repros (Haiku): no tests selected

Spend: $0.00 of the $1.00 cap (proxy ledger)

e2e 0.20.0 · 5.4s · 2 targets (web, phone) · run artifacts

@ThomasK33
ThomasK33 added this pull request to the merge queue Oct 30, 2026
Merged via the queue into main with commit e968b89 Oct 30, 2026
33 of 34 checks passed
@ThomasK33
ThomasK33 deleted the refactor/task-launch-split-4 branch October 30, 2026 11:38
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