id: investigate: Durable Object jurisdiction / data-location pinning for per-user stores #2061

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1. dezren39

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   app/idPackage/app: id (pkgs/ or apps/ in this repo)Package/app: id (pkgs/ or apps/ in this repo)

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2. dezren39 commented on Oct 29, 2026

   

   dezren39

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   Parent epic: #2056 — ID platform expansion (2026-10-28 directive). Filed as batch 2 from PREPARED-ACTIONS.md.
3. developing-today commented on Oct 29, 2026

   

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   CODE-982
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   kind/questionQuestion or design decision to resolveQuestion or design decision to resolve

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   status/needs-triageNot yet triaged; needs a first lookNot yet triaged; needs a first look

   priority/normalOrdinary priority (the default)Ordinary priority (the default)

   effort/mMedium: expected under 1 day of workMedium: expected under 1 day of work

   meta/enrichedIntake review done: acceptance criteria, links, and normalized labels addedIntake review done: acceptance criteria, links, and normalized labels added

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5. dezren39 commented on Oct 29, 2026

   

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   Intake review

   Related: parent epic #2056; source: Cloudflare Workers fit investigation #2044, open question 5; sibling investigations #2059 (hot-world sharding) and #2060 (key recovery) from the same source.

   Notes: a factual investigation with a citable answer — Cloudflare's documented jurisdiction guarantees decide it; part of the ID program batch filed this morning.

   Risks: vendor guarantees change; the doc should date-stamp the Cloudflare sources it relies on.

   Suggested approach: Workhorse investigation against primary Cloudflare documentation.

   — Fleet monitor intake pass (protocol §5): issue verified still live this run (filed within the last hour; no merged PR or duplicate resolves it), labels normalized, meta/enriched applied.
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   priority/highImportant and time-sensitiveImportant and time-sensitive

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8. dezren39 commented on Oct 29, 2026

   

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   Top priority — ID program wave-1. Drew directed this be picked up in the next runs (2026-10-29): enqueued directly as triage task 3363 in repo-health-code-pilot at queue priority 20 (only breakage-class work at priority 10 outranks it). Wave-1 is the ungated investigations and designs; syntheses and PoCs stay gated on their named inputs. Investigation route: Workhorse.
9. dezren39

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11. dezren39 commented on Oct 29, 2026

    

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    🤖 Agent note · parked

    • Agent: queue worker (repo-worker-code), lane A shift
    • Session / ID: queue task 3363
    • Found via: queue claim (resume)
    • Task: Update on PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282: its previous merge-group CI run (40900124983) actually completed success at 15:42:42Z — but the PR had already been removed from the merge queue at 15:37:09Z (timeline event, actor not shown), so it did not merge. Head f889fe4 is CLEAN/MERGEABLE with all head checks successful and Codex clean. A direct merge is not possible (merge strategy is set by the merge queue), so I re-enqueued it: now position 4, AWAITING_CHECKS. Parking 20 minutes for the queue.
    • Expectation: Resume: verify PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282 merged → complete task 3363 as fixed_merged (issue stays open) and strip transient labels. If it was removed from the queue again without merging, find out why before re-enqueueing a third time.
    • Links: PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282 · successful merge-group run https://github.com/developing-today/code/actions/runs/40900124983
12. dezren39

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13. dezren39 commented on Oct 29, 2026

    

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    🤖 Agent note · parked

    • Agent: queue worker (repo-worker-code), lane B shift
    • Session / ID: queue task 3363 (repo-queue-worker-shift-b, 2026-10-29 run, resume)
    • Found via: queue claim (parked task resurfaced)
    • Task: Fresh check: PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282 is still merge-queue position 1, state AWAITING_CHECKS (NOT dequeued this time — the earlier unexplained dequeue has not recurred), mergeStateStatus CLEAN. Merge-group CI has not finished after a 5-minute poll, so the task is re-parked 20 min per the CI rule.
    • Expectation: resume = PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282 merged → complete task 3363 fixed_merged (this issue stays open for the orchestrator review round), strip claim labels.
    • Links: PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282
14. dezren39 commented on Oct 29, 2026

    

    dezren39

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    parked · worker repo-worker-code · lane openchamber-scheduled-lane · queue task 3363 (attempt 1, resume)

    Fresh state this run: #2061 OPEN, PR #2282 OPEN and merge-ready — head f889fe40, all head checks green (basic: proxy port fallbacks SUCCESS), CodeRabbit neutral, both Codex P2 threads answered and resolved in 7ad3c883/f889fe40. Follow-ups #2283 / #2284 / #2285 already filed and linked, so acceptance items 1–3 are all met; only the merge is outstanding.

    Blocker is repo-wide, not this PR. Actions has no runner pickup at all: 16 runs queued, 0 in_progress, and #2282's merge-group run 40908740637 has sat queued since 16:09Z (38+ min) — the stall tracked in #1599. No self-hosted runners exist (total_count: 0), githubstatus.com reports Actions operational.

    What I tried: the queue entry had gone UNMERGEABLE, so I dequeued and attempted a direct API merge — refused by the repository ruleset (Changes must be made through the merge queue). #2282 is now re-enqueued (position 12, AWAITING_CHECKS, enqueued 16:42:46Z) with a fresh merge group.

    Resume condition: #2282 merged → complete 3363 as fixed_merged and strip queue/*, status/*, work/* labels from this issue. If still wedged, re-check runner availability before re-enqueueing again — re-enqueueing a PR while the pool is starved only moves it to the back of the queue.
15. dezren39 commented on Oct 29, 2026

    

    dezren39

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    🤖 Agent note · parked (resume check)

    • Agent: queue worker (repo-worker-code), lane D shift
    • Session / ID: queue task 3363
    • Found via: queue claim (parked task resurfaced)
    • Task: Fresh check of PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282: still in the merge queue at position 12, AWAITING_CHECKS, head f889fe4 unchanged (branch green, Codex P2s addressed, follow-ups id: design: jurisdiction-aware per-user store routing (signup jurisdiction field, DO/blob/directory pinning) #2283/id: investigate: cross-jurisdiction shared worlds and federation — residency semantics for multi-tenant Durable Objects #2284/id: PoC: verify DO jurisdiction mechanics and confirm vendor residency guarantees #2285 filed, per the previous shift). The repo-wide merge-queue runner starvation (ci: Actions check runs stuck in queued across PRs — no runner pickup since ~05:00Z 2026-10-28 #1599) persists — every resume this shift found the queue advancing only slowly. Re-parking.
    • Expectation: Resume: if PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282 merged → complete task 3363 → strip in-flight labels on id: investigate: Durable Object jurisdiction / data-location pinning for per-user stores #2061. Else re-check runner availability.
    • Links: PR docs(id): investigate Durable Object jurisdiction / data-location pinning (#2061) #2282
16. dezren39 commented on Oct 29, 2026

    

    dezren39

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    agent-note:v1 · parked · worker repo-worker-code (lane A shift), queue task 3363. PR #2282 re-verified fresh: head f889fe40, still in merge queue — position improved 12 → 8, state AWAITING_CHECKS (repo-wide MQ runner starvation, #1599). All review threads resolved; Codex review state on head: no findings, none unresolved. Nothing to do but wait for the queue. Resume: when PR #2282 merges → complete task + strip in-flight labels on this issue.
17. dezren39 commented on Oct 29, 2026

    

    dezren39

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    done · worker repo-worker-code · lane openchamber-scheduled-lane · queue task 3363

    Result. The investigation this issue asks for is delivered in PR #2282 (doc/2026-10-29T11-43-02Z_investigation_do_jurisdiction_pinning/), re-enqueued into the merge queue this run (entry QUEUED, position 8) after it had fallen out of the queue while still mergeable/clean on head f889fe40; Closes #2061 on that PR.

    Findings in brief (full detail in the doc): jurisdiction pinning is real but region-granular only (jurisdiction("eu"|"us"|"fedramp"), DOs "only run and store data within a region"); locationHint is explicitly best-effort and is not residency; the pin is a one-way door taken at creation for DOs, R2, KV, D1 and Queues; DO IDs are jurisdiction-scoped, so a routing bug silently creates a second empty user store unless IDs derive from (jurisdiction, subject); a per-user pin is only as strong as the shared stores around it (shared D1 directory, shared world DO, KV cache, DO ID logs); a signup region choice is not needed to launch, but the jurisdiction field must exist before the first DO is created. Two items are flagged UNCONFIRMED rather than assumed: DO storage replica placement inside a jurisdiction, and D1 read replication vs a jurisdiction restriction.

    Follow-on routed (filed from the investigation, linked here): #2283 design — jurisdiction-aware per-user store routing; #2284 investigate — cross-jurisdiction shared worlds and federation; #2285 PoC — verify DO jurisdiction mechanics and confirm vendor residency guarantees (the PoC stays gated on its own review round).

    Queue state. Closing out: the only remaining step is the mechanical merge, which the merge queue performs (repo-wide MQ entries are serialized behind slow full-tier checks, #1599). This issue's status/*, queue/* and work/* labels are removed now so nothing looks in-flight.
18. dezren39

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19. dezren39

    closed this as completedin #2282on Oct 30, 2026
20. developing-today

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