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feat(sandbox): wall-clock timeout watcher and ownership reaper law #21

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opened 2026-09-09 10:15:32 +00:00 by larandar · 0 comments
larandar commented 2026-09-09 10:15:32 +00:00
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Proposal

Terminate timed-out runs safely using wall-clock deadlines and proven ownership.

Design

Apply instance.nu ownership law: SIGTERM proven run PIDs, wait five seconds, then SIGKILL remaining owned PIDs.

Tasks

  • Track deadlines; validate ownership; implement escalation; report timeout state.

Gherkin Specification Delta

must.contracts.ting-workflows.deliverable-21

Scenario: Deliverable behavior

  • GIVEN the stated prerequisites and inputs
  • WHEN the feature is exercised
  • THEN an owned run exceeding deadline, when watcher fires, then only proven PIDs are signaled and escalation occurs after five seconds.
## Proposal Terminate timed-out runs safely using wall-clock deadlines and proven ownership. ## Design Apply instance.nu ownership law: SIGTERM proven run PIDs, wait five seconds, then SIGKILL remaining owned PIDs. ## Tasks - Track deadlines; validate ownership; implement escalation; report timeout state. ## Gherkin Specification Delta ### must.contracts.ting-workflows.deliverable-21 **Scenario: Deliverable behavior** - **GIVEN** the stated prerequisites and inputs - **WHEN** the feature is exercised - **THEN** an owned run exceeding deadline, when watcher fires, then only proven PIDs are signaled and escalation occurs after five seconds.
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Blocks
#2 Session: ting-workflow-executor — embedded Nushell, bwrap sandboxing, and OWS DSL 1.0
Ting/workflows
#33 feat(cli): wf CLI binary run and check subcommands
Ting/workflows
Depends on
#20 feat(sandbox): PID 1 namespace lifecycle and orphan reaping
Ting/workflows
Reference
Ting/workflows#21
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