* Add npm release track invariant and beta dist-tag procedure
* Revert "Keep older chat history and image previews stable (#2490)"
The timeline optimistic/pagination rework needs more work than main releases can wait for. Reverted together with #2484; both are reapplied on integration/timeline-optimistic-rework.
* Revert "Stop completed turns from appearing stuck (#2484)"
See the #2490 revert. #2490 built on this submission-authority change, so the two revert and reapply as a pair.
* fix(app): keep timeline history and previews stable
Treat persisted timeline replicas as display-only so authoritative pagination always comes from the daemon. Require renewed user intent between older-history pages unless the viewport genuinely remains at the history edge.
Model assistant image acquisition as loading, loaded, or failed so recreating a preview URL cannot be rendered as an error.
* fix(app): keep file image previews current
* fix(app): stabilize history pagination edges
* fix(app): recover transient timeline loads
* fix(app): retain assistant image previews
* Stabilize history pagination lifecycle
* Stabilize history settlement and image previews
* Retry file images after reconnect
* Keep active previews and pagination requests alive
* Replace image hook tests with typed ports
* Integrate timeline hydration with submission authority
* Harden pre-hydration timeline reconciliation
* Make rewind E2E use real scroll intent
* Preserve live timeline state through hydration
* Keep mounted image attachments retained
* Protect preview persistence and lifecycle hydration
* Preserve idless live assistant continuations
* Preserve timeline rows across delayed hydration
* test(app): cover real assistant image files
* Preserve assistant tool ordering during hydration
* fix(chat): load older timeline history consistently
Pagination depended on scroll events, so short or compacted initial pages could never request older history. Reevaluate edge visibility as layout and history change, and standardize loading indicators on the canonical app spinner.
* fix(chat): keep older history loading reliably
Use authoritative timeline cursor progress so merged rows cannot stall pagination. Wait for bottom anchoring before evaluating the history edge, and re-arm retries on a fresh upward gesture without automatic failure loops.
