[pranaygp]

Catches the docs up with SDK changes that shipped in the last day without full docs updates.

Change	Source PR	Docs edit
A transient failure to look up a stream's encryption key retries the step; any other lookup failure fails it with a fatal EncryptionKeyLookupError	#5115	Errors and retries: an uncaught EncryptionKeyLookupError fails the run with RUNTIME_ERROR, and outside a step (for example, in an API route) nothing retries the write. Also fixes "a EncryptionKeyLookupError" to "an". Streaming: "Writing to another run's stream" says which lookup failures retry and links to the details

I reviewed the other PRs from the last day, and they need no further docs. #4759 (Postgres World jobLockStaleSeconds) shipped with its own docs on the Postgres World and Worlds configuration pages. #5000 (Local World taking over a dead holder's fence lock right away instead of after 30 seconds) is a bug fix that doesn't change documented behavior. #5118 is a CI change. The Workflows pages in vercel/front don't cover any of these, so they need no change.

Docs Preview

Page	Preview
Errors and retries	Backend connection failures
Streaming	Writing to another run's stream

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[github-actions]

Sim World

Simulated world deterministic testing for races. Traces

🟢 world-sim scenario book — 0 fail of 44 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	11	0ms	ok	0
✅ hook-at-step-completed	completed	11	0ms	ok	0
✅ hook-at-hook-created	completed	11	0ms	ok	0
✅ claim-hook-at-registration	completed	11	0ms	ok	0
✅ claim-hook-at-step-started	completed	11	0ms	ok	0
✅ deadline-hook-wins	completed	6	1.0h	ok	0
✅ deadline-expires	completed	6	1.0h	ok	0
✅ step-vs-timer-early-settlement	completed	8	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	11	0ms	ok	0
✅ peek-hook-before-branch	completed	11	0ms	ok	0
✅ peek-hook-after-branch	completed	11	0ms	ok	0
✅ peek-hook-at-registration	completed	11	0ms	ok	0
✅ race-hook-before-probe	completed	11	0ms	ok	0
✅ race-hook-after-probe	completed	11	0ms	ok	0
✅ race-duplicate-delivery	completed	12	0ms	ok	0
✅ attr-hook-before-step	completed	10	0ms	ok	0
✅ attr-hook-after-step	completed	10	0ms	ok	0
✅ attr-from-step-body	completed	12	0ms	ok	0
✅ fork-hook-after-timeout	completed	13	1.0m	ok	0
✅ fork-hook-before-timeout	completed	13	1.0m	ok	0
✅ count-hook-after-timeout	completed	16	1.0m	ok	0
✅ count-hook-before-timeout	completed	19	1.0m	ok	0
✅ stale-read-step-count-fork	completed	19	1.0m	ok	0
✅ stale-read-equal-step-counts	completed	13	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	16	1.0m	ok	0
✅ in-flight-before-decision-counted	completed	16	1.0m	ok	0
✅ in-flight-after-decision	completed	18	2.0m	ok	0
✅ stale-read-step-count-fork-fenced	completed	19	1.0m	ok	0
✅ fork-hook-wins	completed	12	1.0m	ok	0
✅ fork-timeout-wins	completed	12	1.0m	ok	0
✅ unclaimed-payload-under-fork	completed	16	1.0m	ok	0
✅ claimed-payload-under-fork	completed	16	1.0m	ok	0
✅ writers-independent-step-bodies	completed	12	0ms	ok	0
✅ writers-scripted-tempo	completed	11	0ms	ok	0
✅ cancel-mid-step	cancelled	7	0ms	skipped	0

Full trace: world-sim.txt