feat(snooze): choose custom wake date or duration

[rynfar]

Change

Adapts upstream 3be02ae5791480b8c8bf3a13020a932378eca1ba (#11800) to Pylon's existing snooze command, capability gate, receipt, Undo notice, and mobile thread-row actions. Users can choose a local date/time or an elapsed duration in the web/desktop thread menu or mobile v2 row. The five existing presets remain. A shared resolver rejects past/invalid dates and nonexistent spring-forward times; repeated fall-back wall times use the first occurrence while it is future, then the second occurrence if that remains future; duration days mean 24 elapsed hours.

The web dialog uses native browser date/time inputs, avoiding a new calendar dependency. The browser/OS supplies their locale-specific calendar presentation. Upstream e1cbb705273a261d26b489f35a7ddca6567d9663 specifically configures an upstream custom calendar's week start and is not claimed as adopted here. The web request host keys each dialog to its own request so a stale close or submit cannot resolve a replacement request; unmount cancels only its matching request.

Scope and verification

• 219 focused shared resolver, sidebar/menu, and mounted web dialog tests passed after reconciliation with current pylon; the additional fall-back regression brings the focused shared resolver test to 23 passing cases. Client-runtime/web/mobile scoped typechecks and lint passed; formatting and diff checks passed.
• An independent adversarial review of the reconciled head found that a repeated fall-back hour rejected its second occurrence after the first had passed. Fixed at 816b01b534 with regression coverage for both the future second occurrence and the expired second occurrence.
• Isolated browser verification covered date and duration modes and exposed a dialog-footer overflow; fixed at 056423f679. Isolated iOS Simulator verification covered both modes against a disposable Pylon environment and synthetic thread projection. The native appearance passed; the synthetic thread was not used to assert a successful backend snooze mutation.
• Browser and iOS screenshots were captured in isolated state and uploaded to GitHub. The browser before image shows the footer below the dialog; the after image shows it inside the panel. The iOS images show both native input modes. The synthetic thread was not used to assert a successful backend mutation.

Web before	Web after

iOS date and time	iOS duration

Owning review: #736. No ledger cursor advancement or merge is included.

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[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	14.0 KiB	14.0 KiB	−40 B (−0.3%)	15.1 KiB	✅
Codex	Thread snapshot wire	7.3 KiB	7.3 KiB	+2 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.8 KiB	6.7 KiB	−42 B (−0.6%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	58.0 KiB	58.0 KiB	−44 B (−0.1%)	66.4 KiB	✅
Codex	Live turn messages	10	9	−1 (−10.0%)	21	✅
Claude	Total thread wire	14.0 KiB	14.0 KiB	−13 B (−0.1%)	15.1 KiB	✅
Claude	Thread snapshot wire	7.3 KiB	7.3 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.7 KiB	6.7 KiB	−15 B (−0.2%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	58.9 KiB	58.9 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	9	9	0 (0.0%)	21	✅

Baseline: 196876d · PR result: 816b01b · Source CI: success

Scenario and decoded snapshot size

10 historical turns, 5 command tools per turn, 878.9 KiB retained MCP result per historical turn, and a 1.05 MiB retained result in the measured turn.

• Codex decoded thread snapshot: 115.7 KiB
• Claude decoded thread snapshot: 116.4 KiB

Updated in place by a trusted workflow. PR artifacts are strictly validated and never executed.

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1 Skipped Deployment

Project	Deployment	Actions	Updated
pylon-marketing	Ignored	Preview	Sep 26, 2026 8:39pm UTC