Plots with an out-of-window saved playhead now open, clamping the playhead to the nearest window edge with a non-blocking notification.

A single zip carries a Storyboard, basemap tiles, thumbnails and SPA — unzip, double-click index.html, watch it play offline.

A Debrief Storyboard now leaves the tool as a single zip. Double-click index.html, the briefing plays — no install, no server, no network.

One LinkML source, generated fan-out — the STAC catalog cluster joins the schema-first regime.

The Properties Panel now edits features, single vertices, and multi-select summaries — with read-only detection and one-click revert.

Storyboards now accept several scenes at the same instant, ordered by capture sequence — analysts no longer have to nudge the clock to capture multi-viewport moments.

Four storyboard playback gaps closed together — display-mode capture, real viewport rectangles, active-scene halo, and Storyboard-grouped scenes.

Drawing mode and palette index now persist across VS Code webview reloads via session-state wiring.

Closing a deliberate half-step from spec 241 — every byte that lands in the STAC catalog now crosses the same writer boundary.

Promoted spec 241's tactical scene-thumbnail regex to a first-class LinkML shape with documented pairing and ULID rules — and a Python audit for the constraints JSON Schema can't express.