docs(plugin-kanban): compile every README snippet, leave the UNGATED_DOCS ledger

packages/plugin-kanban/README.md

@@ -103,12 +103,26 @@ const schema: KanbanSchema = {
 ## Schema API
 
 ```typescript
-{
+import type { KanbanSchema } from '@object-ui/plugin-kanban';
+
+declare const columns: KanbanColumn[];
+
+// The board document. `type` is the only required member — `columns`,
+// `onCardMove` and `className` are all optional. The annotation is the type
+// this package ships, so each member below is compiled against it rather than
+// read as prose: a `columns` array of the wrong shape, or an `onCardMove`
+// whose parameters drift from the shipped signature, fails here. An unknown
+// key does not — `KanbanSchema` extends `BaseSchema`, whose index signature
+// deliberately accepts type-specific extensions, so the compiler is not what
+// catches a misspelt board key.
+const board: KanbanSchema = {
   type: 'kanban',
-  columns?: KanbanColumn[],           // Array of columns
-  onCardMove?: (cardId, fromColumnId, toColumnId, newIndex) => void,
-  className?: string                  // Tailwind classes
-}
+  columns,                            // Array of columns
+  onCardMove: (cardId, fromColumnId, toColumnId, newIndex) => {
+    // see "Example with Callbacks" below
+  },
+  className: 'h-full',                // Tailwind classes
+};
 
 // Column structure
 interface KanbanColumn {
@@ -183,9 +197,13 @@ pnpm build
 ## Example with Callbacks
 
 ```typescript
-const schema = {
+import type { KanbanColumn, KanbanSchema } from '@object-ui/plugin-kanban';
+
+declare const columns: KanbanColumn[];
+
+const schema: KanbanSchema = {
   type: 'kanban',
-  columns: [...],
+  columns,
   onCardMove: (cardId, fromColumnId, toColumnId, newIndex) => {
     console.log(`Card ${cardId} moved from ${fromColumnId} to ${toColumnId} at index ${newIndex}`);
     // Update your backend or state here

scripts/check-doc-snippet-types.mjs

@@ -716,8 +716,6 @@ const UNGATED_DOCS = {
     '5 undefined-name diagnostic(s) — blocks continue an earlier block, or use ambient names the page never defines; 1 unresolved-module diagnostic(s); plus TS17000x1 TS2322x1 — candidate real defects, un-triaged',
   'packages/plugin-editor/README.md':
     '6 parse diagnostic(s) — blocks fenced `ts` that are bare object literals or elided bodies',
-  'packages/plugin-kanban/README.md':
-    '6 parse diagnostic(s) — blocks fenced `ts` that are bare object literals or elided bodies',
   'packages/plugin-map/README.md':
     '1 parse diagnostic(s) — blocks fenced `ts` that are bare object literals or elided bodies; 1 undefined-name diagnostic(s) — blocks continue an earlier block, or use ambient names the page never defines; plus TS2322x1 — candidate real defects, un-triaged',
   'packages/plugin-markdown/README.md':