feat(layout): plan 01 — tile engine + view registry

1 files changed, 40 insertions, 0 deletions

diff --git a/src/features/layout/index.ts b/src/features/layout/index.ts
new file mode 100644
index 0000000..a2e93a6
--- /dev/null
+++ b/src/features/layout/index.ts
@@ -0,0 +1,40 @@
+/**
+ * The layout feature — a generic tile-tree renderer + the view registry.
+ *
+ * The frontend stops *having* a layout and starts *rendering* one: the tree is
+ * data (`@dispatch/layout-contract`), the renderer walks it, and every view a
+ * leaf mounts comes from the registry. Chrome (top bar, alerts, modals) stays
+ * OUTSIDE the tree — the tree owns the content region.
+ */
+
+export {
+  bootDefaultOpen,
+  type CollapseState,
+  type CollapseStore,
+  type CollapseStoreOptions,
+  createCollapseStore,
+  parsePersistedOpen,
+  SIDEBAR_OPEN_KEY,
+  WIDE_BREAKPOINT,
+} from "./logic/collapse";
+export { addPanelOp, firstPanelView, removePanelOp, swapPanelOp } from "./logic/panels-edit";
+export {
+  getView,
+  listPanelViews,
+  listViews,
+  type RegisteredView,
+  registerView,
+  unregisterView,
+  type ViewComponent,
+  type ViewRegistration,
+  viewRegistry,
+} from "./logic/registry";
+export { DEFAULT_PANEL_VIEWS, overlaySidePanels, seedLayout } from "./logic/seed";
+export { firstCollapsibleNodeId, firstPanelsNode } from "./logic/tree-query";
+export { default as TileRoot } from "./ui/TileRoot.svelte";
+
+/** Public module manifest — aggregated by the shell's "Loaded Modules" view. */
+export const manifest = {
+  name: "layout",
+  description: "Tile-tree renderer + view registry",
+} as const;