Schema + store preparation for the new scene header on the homepage
(next commit). Scenes get an optional free-text description stamped
as its own field — LWW through the existing mana-sync pipeline, no
new sync contract. The unused icon field is removed everywhere:
- types/workbench-scenes.ts: description?: string | null replaces icon
- stores/workbench-scenes.svelte.ts: createScene, renameScene,
duplicateScene, toScene, patchScene all updated. New method
setSceneDescription(id, value) mirrors renameScene so the caller
can change just the description without re-submitting the name.
- components/workbench/scenes/SceneTabs.svelte: the tab-bar rendered
{#if scene.icon} before the name — scene.name is unique enough to
identify a scene, and the UI direction is away from emoji chrome.
Existing scene rows in Dexie simply omit description (undefined → null
on read); the icon field on old rows is ignored and will age out of
the schema the next time the row is written.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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