fix(sidecar): resume Gmail history past page cap when pages are deduped - #673
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…ed (#667) When Gmail history spans more than MAX_HISTORY_PAGES (3) and pages 1–3 are fully deduped, truncated=true froze the cursor forever and page 4+ messages were never ingested — silent data loss during mail bursts. Persist history_page_token in sidecar_state (migration 32) and pass it to listNewMessageIds so the next poll resumes from the dangling pageToken instead of re-fetching already-deduped pages. Co-authored-by: schmug <schmug@users.noreply.github.com>
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This was referenced Aug 6, 2026
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Summary
history_page_tokeninsidecar_state(migration 32) when a Gmail history listing is truncated by the 3-page capWhy
When Gmail history spans more than
MAX_HISTORY_PAGES(3) and pages 1–3 are fully deduped,truncated=truefroze the cursor forever. The poller re-fetched the same deduped pages every minute and never reached page 4+, causing silent message loss during mail bursts in Workspace sidecar mode.Test plan
npm testpasses locally (workspace-poll, gmail-client, sidecar-state suites)Notes for reviewer
Minimal fix: no config surface.
history_page_tokenclears on cursor advance and history-gap re-anchor.