Henry
20308a2d16
Co-authored-by: nova28 <17953305+nova28@users.noreply.github.com> Co-authored-by: Carlos Florencio <carlosmflorencio@gmail.com>
39 lines
1.5 KiB
Markdown
39 lines
1.5 KiB
Markdown
---
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created: 2026-09-07
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status: completed
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requirements:
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- REQ-TASKS-RUNNER-SWITCH-001
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- REQ-TASKS-RUNNER-SWITCH-002
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- REQ-TASKS-RUNNER-SWITCH-003
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- REQ-TASKS-RUNNER-SWITCH-004
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system_design:
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- ../../specs/tasks/system-design/runner-switch-before-materialization.md
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---
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# Implementation Plan: Runner Switch Before Materialization
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## Overview
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Allow a task's executor profile to change while the task has no materialized
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runtime state. Keep the mutability verdict in the task service, validate target
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runner compatibility before persistence, and serialize the switch against every
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writer that can materialize the task. The existing task dialog uses the same
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server-owned verdict on desktop and mobile.
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The implementation keeps the stored runner as task metadata. A successful
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switch changes only that value and publishes the existing task update. The next
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session preparation resolves the committed profile, while explicit launch
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overrides remain explicit.
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## Delivery
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- Project the ordered runner mutability verdict through every task projection.
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- Add the task runner action with compatibility validation and typed outcomes.
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- Lock all materialization and repository writers against concurrent switches.
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- Wire the dialog save sequence and runner selection state to the action.
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- Cover the backend races, PostgreSQL lock order, and partial-save retry flow.
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## Work orders
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- [Task 01: Runner switch before materialization](task-01-runner-switch-before-materialization.md)
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