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feat(gui): chain slot kind with select routing and renderSlotChain

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imccyu
2026-07-23 17:19:59 +08:00
parent 0c8b3813fa
commit 3826b50b4a
8 changed files with 400 additions and 36 deletions
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packages/client/ui-slots/README.md
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@@ -11,11 +11,13 @@ One `register({ name, children?, store?, inject?, ...kind }, Component)` call co
| store | `PropsStore<H>` | the declared handle: `useStore` selector hook + draft-stripped `actions` |
| business | `I` | inferred from the `inject` factory's return |
Chain-kind slots invert keyed routing — entries self-nominate instead of the dispatch site picking an `entryKey`: each registration carries a pure `ChainSelect` selector (plus optional ascending `priority`, ties in registration order), the first non-null return elects its entry and becomes the component's `matched` prop, and all-null falls to the owner's `renderSlotChain` fallback (`ChainRenderOpts`).
The standard-kit interfaces (`SessionStandardProps`, `GlobalStandardProps`) are declared empty here and merged by the runtime package (same declare-merge pattern as SlotMap keys). Inject factory parameters derive from the declaration (`InjectParams`): session slots get `sessionId`, a declared store appends baked `actions`, nothing else — data access lives in the apply closure's ctx.
The store family (`defineStore` spec in / `StoreHandle<T, A>` out) types the store seat: `init` infers the state schema, `actions` is the complete draft-transform write set, `BakedActions` strips the draft parameter into the callbacks components and inject factories receive. The `defineStore` value implementation lives in the runtime package (the engine's home) and satisfies the `DefineStore` contract exported here. Engine products and the renderer host contract carry bare snapshot sources (`getSnapshot`/`subscribe`), never React hooks — hook binding is the render machinery's side of the seam; only the props-contract hook type (`SnapshotSelectorHook`) lives here.
`SlotCore` seeds the a-priori `'root'` slot at construction and enforces load-time validation (undeclared-slot registration, duplicate child declaration, one shared handle under two scopes — all throw at register). An entry's disposer collapses its declared child slots recursively: ledger rows, contributions, and store mounts die on one lifecycle axis. `renderer.ts` carries the install seam (`SlotRenderer`, `SlotRendererHost`) plus `StaleAuthorizationError`/`SlotOwnershipError`; the implementation lives in web-react, the installation in the shell boot.
`SlotCore` seeds the a-priori `'root'` slot at construction and enforces load-time validation (undeclared-slot registration, duplicate child declaration, one shared handle under two scopes, a chain registration without `select` — all throw at register). An entry's disposer collapses its declared child slots recursively: ledger rows, contributions, and store mounts die on one lifecycle axis. `renderer.ts` carries the install seam (`SlotRenderer`, `SlotRendererHost`) plus `StaleAuthorizationError`/`SlotOwnershipError`; the implementation lives in web-react, the installation in the shell boot.
## Model Experience