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Prevent payload flicker during decryption - #3906

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karthikscale3 merged 1 commit into
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fix/event-decrypt-flicker
Aug 31, 2026
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Prevent payload flicker during decryption#3906
karthikscale3 merged 1 commit into
mainfrom
fix/event-decrypt-flicker

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@karthikscale3 karthikscale3 commented Aug 31, 2026

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Keeps the existing event payload visible while decrypted data reloads.

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karthikscale3 requested a review from a team as a code owner August 31, 2026 19:14
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karthikscale3 requested a review from mitul-s August 31, 2026 19:15
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Sim World

Simulated world deterministic testing for races. Traces

🟠 world-sim scenario book — 1 fail of 41 total

fence=per-spec

scenario outcome events virt replay violations
✅ smoke-no-steps completed 3 0ms ok 0
✅ smoke-one-step completed 6 0ms ok 0
✅ hook-at-step-started completed 12 0ms ok 0
✅ hook-at-step-completed completed 12 0ms ok 0
✅ hook-at-hook-created completed 12 0ms ok 0
✅ deadline-hook-wins completed 7 1.0h ok 0
✅ deadline-expires completed 7 1.0h ok 0
✅ long-sleep completed 11 30.0d ok 0
✅ hook-never-arrives stalled 3 0ms skipped 0
✅ step-retries-twice completed 10 2.0s ok 0
✅ parallel-steps completed 9 0ms ok 0
✅ hook-on-execution-state completed 12 0ms ok 0
✅ peek-hook-before-branch completed 12 0ms ok 0
✅ peek-hook-after-branch completed 12 0ms ok 0
✅ peek-hook-at-registration completed 12 0ms ok 0
✅ race-hook-before-probe completed 12 0ms ok 0
✅ race-hook-after-probe completed 12 0ms ok 0
✅ race-duplicate-delivery completed 13 0ms ok 0
✅ attr-hook-before-step completed 11 0ms ok 0
✅ attr-hook-after-step completed 11 0ms ok 0
✅ attr-from-step-body completed 13 0ms ok 0
✅ fork-hook-after-timeout completed 14 1.0m ok 0
✅ fork-hook-before-timeout completed 14 1.0m ok 0
✅ count-hook-after-timeout completed 17 1.0m ok 0
✅ count-hook-before-timeout completed 20 1.0m ok 0
✅ stale-read-step-count-fork completed 20 1.0m ok 0
✅ stale-read-equal-step-counts completed 14 1.0m ok 0
✅ step-vs-step-fork completed 12 0ms ok 0
✅ step-vs-step-fork-fenced completed 12 0ms ok 0
✅ fence-catches-benign-direction completed 12 5ms ok 0
✅ in-flight-before-decision completed 17 1.0m ok 0
❌ in-flight-before-decision-counted completed 17 1.0m ok 0
✅ in-flight-after-decision completed 19 2.0m ok 0
✅ stale-read-step-count-fork-fenced completed 20 1.0m ok 0
✅ fork-hook-wins completed 13 1.0m ok 0
✅ fork-timeout-wins completed 13 1.0m ok 0
✅ unclaimed-payload-under-fork completed 17 1.0m ok 0
✅ claimed-payload-under-fork completed 17 1.0m ok 0
✅ writers-independent-step-bodies completed 12 0ms ok 0
✅ writers-scripted-tempo completed 12 0ms ok 0
✅ cancel-mid-step cancelled 7 0ms skipped 0

Full trace: world-sim.txt

@karthikscale3
karthikscale3 merged commit 4f6cc69 into main Aug 31, 2026
66 checks passed
@karthikscale3
karthikscale3 deleted the fix/event-decrypt-flicker branch August 31, 2026 19:31
github-actions Bot added a commit that referenced this pull request Aug 31, 2026
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Prevent payload flicker during decryption (#3906)
dd119cd 
Signed-off-by: Karthik Kalyan <105607645+karthikscale3@users.noreply.github.com>
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Backport PR opened against stable: #3907. (backport job run)

This was referenced Aug 31, 2026
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karthikscale3 pushed a commit that referenced this pull request Aug 31, 2026
@github-actions
Prevent payload flicker during decryption (#3906) (#3907)
bf5cd3a 
Signed-off-by: Karthik Kalyan <105607645+karthikscale3@users.noreply.github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
@github-actions github-actions Bot mentioned this pull request Aug 31, 2026
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pranaygp added a commit that referenced this pull request Aug 31, 2026
@pranaygp
Merge remote-tracking branch 'origin/codex/repro-lazy-resume-disposal…
a4fc7ba 
…-race' into codex/repro-lazy-resume-disposal-race

* origin/codex/repro-lazy-resume-disposal-race:
  [core] Prepare replay payloads as event frames arrive (#3548)
  [core] Overlap workflow compilation with replay loading (#3798)
  Prevent payload flicker during decryption (#3906)
  [core] Trace fresh workflow replay phases (#3797)
  fix(core): re-arm late-claimed hook deliveries (#3879)
  [world-vercel] Classify incomplete replay streams as transport failures (#3546)
  fix(web-shared): describe map-like iterables via entries() (#3806)
@github-actions github-actions Bot mentioned this pull request Sep 1, 2026
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