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81 lines
1.3 KiB
Markdown
81 lines
1.3 KiB
Markdown
# Frontend State and API Client Specification
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## API client
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Create a typed API client under:
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```text
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frontend/src/services/api/
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```
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Suggested files:
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- `client.ts`: fetch wrapper with base URL and error handling.
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- `projects.ts`
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- `areas.ts`
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- `datasets.ts`
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- `analysis.ts`
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- `qa.ts`
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- `exports.ts`
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## Error handling
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All API errors should be normalized to:
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```ts
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type ApiError = {
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error: string;
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message: string;
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details?: unknown;
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request_id?: string;
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};
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```
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## State model
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Use TanStack Query for server state:
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- projects list
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- project detail
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- datasets list
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- analysis runs
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- QA results
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Use local state for UI only:
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- selected map layer
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- layer opacity
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- active tool
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- drawn geometry draft
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- side panel state
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## Required page states
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Every data-driven page must show:
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- Loading state.
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- Empty state.
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- Error state.
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- Success state.
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## Map state
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Map state should not be embedded in every page component. Create reusable hooks/components:
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- `MapCanvas`
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- `LayerPanel`
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- `DrawAreaTool`
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- `GeoJsonLayer`
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- `RasterLayerPlaceholder` until real tile serving exists.
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## Frontend first-pass priority
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Do not build a beautiful but disconnected UI. The first UI must connect to real foundation endpoints:
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1. Health check.
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2. Project list/create.
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3. Project detail.
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4. Area creation placeholder/drawn GeoJSON form.
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5. Dataset list.
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6. Capabilities panel.
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