fix(sidecar): persist history page token to unblock truncated Gmail history - #684
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…istory When listNewMessageIds hits the 3-page cap with more pages pending, the poller froze history_cursor but restarted pagination at page 1 on every subsequent poll. Once pages 1-3 were fully deduped the cursor could never advance and mail on page 4+ was permanently lost. Persist the dangling nextPageToken in sidecar_state (migration 32) and resume from it on the next poll. Clear the token when the listing completes or on history-gap re-anchor. Co-authored-by: schmug <schmug@users.noreply.github.com>
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Summary
history.listnextPageTokeninsidecar_statewhen the 3-page cap truncates a history listingWhy
When
listNewMessageIdshitsMAX_HISTORY_PAGES=3with more pages pending, the poller correctly frozehistory_cursorbut restarted pagination at page 1 on every subsequent poll. Once pages 1–3 were fully deduped the cursor could never advance and mail on page 4+ was permanently lost during bursts.Test plan
npm testpasses locally (workspace-poll, gmail-client, sidecar-state — 60 tests)resumePageTokenreturn on truncated listingNotes for reviewer
Cherry-pick of validated fix from prior investigation branch (
cursor/critical-bug-investigation-4df5). Same root cause flagged in multiple prior scans but never merged to main.