# Shell Module — Codex (per FVW v8 §22)

**Module ID:** `oscar.shell`
**Per FVW v8 v0.10.0 §22:** C1-C9 contract items.
**Status:** Constitutional behaviour contract.

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## C1 — Behaviour Inventory

### Files

| File | Purpose |
|---|---|
| `app/src/shell/OscarShell.tsx` | Top-level container |
| `app/src/shell/TopBar.tsx` | Logo + search + settings buttons |
| `app/src/shell/Dock.tsx` | Bottom 5-chip dock (Home, Surveys, Notes, Reports, Writing) |

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## C2 — State Machine with Transitions

States: (no FSM — always visible)

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## C3 — Side Effect List

localStorage: route tracking (per react-router)

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## C4 — Input Validation Contract

Per app/src/shell/ module-specific validation.

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## C5 — Failure Modes

Per coverage-matrix.md.

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## C6 — User Simulation List

5+ representative flows. See `pact/recipes/shell/coverage-matrix.md`.

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## C7 — Reproducibility Test

Per module.

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## C8 — Shape Matrix (per FVW v8 §30)

Per-surface × per-mode × per-chip × per-state.

| Surface | Modes | Chips | States |
|---|---|---|---|
| (per module) | |  | |

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## C9 — State Shape Inventory

### C9.1 localStorage

```
none
```

### C9.2 In-memory

Per module files.

### C9.3 IDB

none (shell is stateless chrome)

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## END OF SHELL CODEX