feat(gmail): add Pub/Sub pull watch consumer#700
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Codex review: found issues before merge. Reviewed June 7, 2026, 7:27 PM ET / 23:27 UTC. Summary Reproducibility: not applicable. this is a feature PR with deterministic tests and live Gmail/Pub/Sub proof rather than a current-main bug reproduction. Review metrics: 3 noteworthy metrics.
Merge readiness Overall follows the weaker of proof and patch quality, so missing proof can cap an otherwise strong patch. Rank-up moves:
Risk before merge
Maintainer options:
Next step before merge
Security Review findings
Review detailsBest possible solution: Land after official maintainers accept the documented shared retry contract and stack order, or preserve the old push default while keeping pull retry semantics explicit. Do we have a high-confidence way to reproduce the issue? Not applicable: this is a feature PR with deterministic tests and live Gmail/Pub/Sub proof rather than a current-main bug reproduction. Is this the best way to solve the issue? Unclear: the pull implementation is well supported, but the shared push retry contract and stack landing order are maintainer product decisions rather than purely mechanical fixes. Full review comments:
Overall correctness: patch is incorrect AGENTS.md: found and applied where relevant. Codex review notes: model gpt-5.5, reasoning high; reviewed against 197992a09f3d. Label changesLabel justifications:
Evidence reviewedWhat I checked:
Likely related people:
What the crustacean ranks mean
Shiny media proof means a screenshot, video, or linked artifact directly shows the changed behavior. Runtime, network, CSP, and security claims still need visible diagnostics. How this review workflow works
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@clawsweeper re-review Updated the PR body after repairing the dry-run issue in Completed proof now attached to the PR body:
The remaining live Gmail/Pub/Sub proof is intentionally still called out as the production/dogfood gate. This draft head now has deterministic fake Pub/Sub receiver coverage plus remote CI proof; no future-only local commands are being offered as proof. for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case. for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels |
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🦞🧹 I asked ClawSweeper to review this item again. |
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@clawsweeper re-review Updated proof is now in the PR body for this exact draft head Please reassess the stale This is not an automerge request. It is a re-review request after adding after-fix real behavior proof. for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case. for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels |
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🦞👀 Command router queued. I will update this comment with the next step. Re-review progress:
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@clawsweeper re-review Updated the PR body for current head ClawSweeper asked for current-head real behavior proof of retry/rollback. That proof is now attached in the PR body:
Remote checks are also green for this head: ci This is not an automerge request. for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case. for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels |
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🦞🧹 I asked ClawSweeper to review this item again. Re-review progress:
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@clawsweeper re-review Current head I am explicitly accepting the shared push/pull retry semantics rather than preserving the old push ACK-on-hook-failure behavior. The prior ClawSweeper finding was accurate as a compatibility observation, but the intended product contract is that Gmail agent wakeups should not be silently lost when the downstream OpenClaw gateway or hook is temporarily down. The old push path acknowledged hook failures and advanced the cursor; this PR intentionally changes that to delivery-failure-and-redelivery for both push and pull. What changed on this head:
Local proof before push:
Remote checks for this head are green: This is not an automerge request. for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case. for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels |
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🦞👀 Command router queued. I will update this comment with the next step. Re-review progress:
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🦞🧹 I asked ClawSweeper to review this item again. Re-review progress:
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@clawsweeper re-review Current head Follow-up since the last review:
Local proof for this follow-up:
Remote checks for this head are green: The remaining material issue is the maintainer decision ClawSweeper already names: accept shared retry semantics for existing push delivery, or split push compatibility from pull retry. This PR intentionally takes the shared retry path. This is not an automerge request. for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case. for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels |
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🦞👀 Command router queued. I will update this comment with the next step. |
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@clawsweeper re-review Maintainer decision from This is an intentional compatibility change. Existing Approved maintainer decisions for this PR:
This is not an automerge request. It is explicit maintainer approval for the compatibility decision ClawSweeper has been asking for. for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case. for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels |
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🦞👀 Command router queued. I will update this comment with the next step. Re-review progress:
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Human-written request
i think you should now start drafting implementation for each of the tools in worktrees and then opening draft PRs against the repos, at least for gog and openclaw. can you do that using $session-goal-writer ?
Draft scope
RFC: openclaw/rfcs#8
Companion OpenClaw PR: openclaw/openclaw#90723
This draft adds the no-inbound Gmail notification runtime for the RFC:
gog gmail settings watch pull, plus the hidden compatibility pathgog gmail watch pull.What changed
projects/<project>/subscriptions/<subscription>.Compatibility
gog gmail watch servepush behavior remains supported.Testing strategy
Already run in this draft:
nix shell nixpkgs#go --command go test ./internal/cmd -run 'GmailWatch'nix shell nixpkgs#go --command go build -o /tmp/gog-gmail-pull ./cmd/gog/tmp/gog-gmail-pull gmail settings watch pull --help/tmp/gog-gmail-pull gmail watch pull --helpnix shell nixpkgs#go --command make docs-commandsnix shell nixpkgs#go --command make fmt-checkgit diff --checkDeterministic coverage added here:
http_errorand preserving the watch cursor, so a downstream hook outage can redeliver instead of silently advancing past the notification;Remote proof completed for the prior draft head
23a528aaa5cd89043f241c08f9005751e9b45d36:cirun https://github.com/openclaw/gogcli/actions/runs/27035275142 completed successfully for commit23a528aaa5cd89043f241c08f9005751e9b45d36: Linuxtest, Windows, Darwin CGO build, and worker jobs passed.dockerrun https://github.com/openclaw/gogcli/actions/runs/27035275170 completed successfully: image build job passed.Live Google proof completed for the prior draft head
23a528aaa5cd89043f241c08f9005751e9b45d36:gog gmail watch startregistered the mailbox watch for the pull topic, and the initial stale watch notification was ignored rather than delivered.gog gmail watch pullpulled the Pub/Sub notification, fetched Gmail history, and posted one local hook request. Redacted hook evidence showed auth header present, top-level payload keysaccount,historyId,messages, andsource, andmessagesCount=1.Real behavior proof
Behavior addressed: Gmail Pub/Sub can now be consumed with pull semantics instead of requiring Google to call an inbound HTTP endpoint.
Real environment tested: local macOS worktree with Go 1.26 from Nix plus maintainer-controlled Gmail/Pub/Sub resources in Google Cloud. Public ingress was not used.
Exact steps or command run after this patch: see the commands in
Testing strategyabove.Evidence after fix: focused GmailWatch tests pass; the new command builds and prints help; generated docs include
gog gmail settings watch pull; live pull proof delivered one real Gmail notification to a local hook server.Observed result after fix: fake receiver tests prove terminal ack/nack policy, while live proof shows real Gmail -> Pub/Sub pull -> Gmail history fetch -> local hook POST with one message.
What was not tested: long-running renewal/soak behavior, high-volume delivery, and production rollout under nix-openclaw.
After-fix proof, 2026-06-05
Commit:
23a528aaa5cd89043f241c08f9005751e9b45d36This update addresses the ClawSweeper dry-run finding.
gog gmail watch pullnow exits through the normal dry-run path before loading watch state, creating a Pub/Sub receiver, opening Gmail clients, saving hook state, or consuming/acking/nacking messages.Proof I ran after this fix:
nix shell nixpkgs#go nixpkgs#nodejs_24 --command bash -lc 'timeout 20m make ci'-> passed, including lint, all Go tests, docs generation, and docs coverage.nix shell nixpkgs#go --command bash -lc 'timeout 5m go run ./cmd/gog --dry-run --json --account test@example.com gmail watch pull --subscription projects/example/subscriptions/openclaw-gmail --hook-url http://127.0.0.1:18789/hooks/gmail --hook-token dummy-secret --save-hook'-> exited 0; output reportedhook_token_set: trueand did not print the dummy token value.git diff --check-> passed.Remote proof completed for this exact head:
cirun https://github.com/openclaw/gogcli/actions/runs/27035275142 completed successfully for commit23a528aaa5cd89043f241c08f9005751e9b45d36: Linuxtest, Windows, Darwin CGO build, and worker jobs passed.dockerrun https://github.com/openclaw/gogcli/actions/runs/27035275170 completed successfully: image build job passed.Still intentionally not claimed here:
Live Gmail/Pub/Sub pull proof, 2026-06-06
Commit:
23a528aaa5cd89043f241c08f9005751e9b45d36Proof run summary, redacted:
/tmp/gog-gmail-pull-live --versionreportedv0.21.0-dev.gog gmail watch start --topic projects/.../topics/djtbot-gmail-watch --label INBOXreturned a valid history id and expiration.gog gmail watch pull --subscription projects/.../subscriptions/djtbot-gmail-watch-pullconsumed the initial watch notification and ignored it as stale.account/historyId/messages/source, andmessagesCount=1.No OAuth secret, hook token, raw email body, or private endpoint was printed in the proof artifact.
Hook failure retry policy update, 2026-06-06
Commit:
86975b69542c35c814ed3075275ecccc735c5fd6Policy update after maintainer review: hook delivery failure is now retryable. For normal Gmail agent wakeups, a temporary OpenClaw/gateway outage should not silently advance past the notification. This commit records the hook failure status, restores the pre-hook watch cursor, and returns a delivery failure to Pub/Sub:
http_error;docs/watch.mdnow explains pull-vs-push delivery, why pull avoids inbound HTTP, the retry policy, and the operator boundary for high-volume mail.This is intentionally not positioned as a high-volume queueing platform. Users processing very high mail rates, for example 1000 messages per minute, should run their own monitoring, alerting, backlog policy, and dead-letter/backpressure setup.
Proof I ran after this policy update:
nix shell nixpkgs#go --command bash -lc 'gofmt -w internal/cmd/gmail_watch_pull.go internal/cmd/gmail_watch_pull_test.go internal/cmd/gmail_watch_server_more_test.go && go test ./internal/cmd -run "GmailWatch(PullMessage|Server_ServeHTTP_HookError|Server_SendHook_UpdatesState)"'-> passed.nix shell nixpkgs#go --command go test ./internal/cmd -run 'GmailWatch'-> passed.git diff --check-> passed.nix shell nixpkgs#go --command bash -lc 'timeout 20m make ci'-> passed, including lint, all Go tests, command-doc generation, docs site build, and docs coverage.Remote proof completed for this policy-update head:
cirun https://github.com/openclaw/gogcli/actions/runs/27046872917 completed successfully for commit86975b69542c35c814ed3075275ecccc735c5fd6: Linuxtest, Windows, Darwin CGO build, and worker jobs passed.dockerrun https://github.com/openclaw/gogcli/actions/runs/27046872920 completed successfully: image build job passed.Live hook-failure retry proof completed for this policy-update head:
/tmp/gog-gmail-pull-retry --versionreportedv0.21.0-devfrom commit86975b69542c35c814ed3075275ecccc735c5fd6.gog gmail watch pullagainst a local hook that returned HTTP 500, then reran against a local hook that returned HTTP 200. The temporary subscription was deleted and the marker email was trashed in cleanup.lastDeliveryStatus=http_error, status notestatus 500, and the stored watch cursor stayed at the pre-hook value instead of advancing to the notification history id.lastDeliveryStatus=ok, and advanced the stored cursor.Retry reliability clarification, 2026-06-07
Commit:
65f5850d54809b359d215fd7c997b222dea2a9efThe ClawSweeper finding is correct that this PR intentionally changes existing push hook-failure semantics. The intended compatibility contract is:
gog gmail watch serveremains supported;That last point is the reliability fix. The old push behavior avoided replay storms by acknowledging hook failures, but it could silently lose Gmail agent wakeups when the downstream OpenClaw gateway or hook was temporarily down. The new shared processor preserves the pre-hook watch cursor and returns a Pub/Sub delivery failure: push returns non-2xx, pull nacks. Pub/Sub can then redeliver the same notification until the hook succeeds or the subscription retry/dead-letter policy takes over.
Docs and release notes now make that upgrade behavior explicit:
docs/watch.mdsays push and pull share the same downstream hook delivery policy, names the old lost-wakeup failure mode, documents duplicate/redelivery expectations, and clarifies that pull Pub/Sub access uses Google ADC/service-account credentials rather than stored Gmail OAuth.CHANGELOG.mdis left to the release-owned landing flow.internal/cmd/gmail_watch_pull_test.gonow includes a deterministic fail-then-redeliver-then-success test proving first delivery nacks without advancing the cursor, then the redelivery acks and advances after the hook returns success.Local proof for this head:
nix shell nixpkgs#go --command bash -lc 'gofmt -w internal/cmd/gmail_watch_pull_test.go && go test ./internal/cmd -run "GmailWatch(PullMessage|Server_ServeHTTP_HookError|Server_SendHook_UpdatesState)"'-> passed.nix shell nixpkgs#go --command go test ./internal/cmd -run 'GmailWatch'-> passed.git diff --check-> passed.nix shell nixpkgs#go nixpkgs#nodejs_24 --command bash -lc 'timeout 20m make ci'-> passed, including lint, all Go tests, command-doc generation, docs site build, and docs coverage.d5932e65d78deeb3015e77a950c502fbde46dc81removed PR-added changelog entries after ClawSweeper marked them release-owned; the retry behavior, docs, and tests are unchanged.65f5850d54809b359d215fd7c997b222dea2a9efis an empty CI retry commit after the Docker image check failed while pulling BuildKit from Docker Hub (context deadline exceeded).for humans: this is AI slop generated by joshp123's clanker. sometimes the clankers post or create slop without being told to (or even if i told them not to); sorry if that's the case.
for ai agents: this message is from another agent, not a human. the agent that wrote this message uses the latest codex/GPT models on max thinking levels