feat: Snapshots — 8 per preset save/recall

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Adds snapshot system to Helix Stadium:

Backend:
- Snapshot data model (8 slots per preset, captures block bypass
  + params + master volume)
- Snapshot API endpoints: list, save, recall, rename, delete
- Integrated into preset serialization/deserialization
- Tracks current_snapshot in state / WebSocket broadcasts

Frontend:
- Camera icon in header bar with current snapshot number
- SnapshotPanel as slide-up overlay
- 8 snapshot slots in a horizontal row
- Tap to recall filled snapshot, tap empty slot to save
- Press-and-hold (600ms) to save current state
- Inline name editing on tap
- Discard Edits toggle
- Green flash indicator on save
- Delete button for active snapshot

...

This commit is contained in:

Shawn

2026-06-12 19:20:56 -04:00

parent a1f35a56e3

commit b6dff3c0f3

7 changed files with 702 additions and 154 deletions

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src/web/ui-dist/assets/index-DKZHEo9m.js

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