[squad:plan] Morrow Mosaic — M2 Vertical Slice: "The First Sunrise" (Engineering)

**Owner:** Fenster (Engineering)

Part of parent tracking issue #57426 for the game concept **Morrow Mosaic**.

## Goals
- Add polished UI for requests, forecasting, and resolution
- Ship 2 districts and a curated set of fragments
- Introduce trust/progression and unlock flow
- Add temporary art style target and soundtrack direction
- Prove the game's aesthetic and decision clarity

## Acceptance Criteria
- 2 districts playable with distinct fragment sets
- Trust/progression system unlocks at least one new fragment type
- UI clearly communicates forecast cause-and-effect before resolution

The issue names no files, tests, or entry points; start with parent tracking issue #57426 and coordinate with the listed engineering owner, Fenster, to locate the Morrow Mosaic implementation. Done means two playable districts, a trust/progression unlock for at least one fragment type, and forecast cause-and-effect clearly shown before resolution.

Written by the indexing model from the issue text.