docs: add v0.9.1 changelog entry

add changeset for @internal/react-state install fix
fix @internal/react-state import
2026-10-03 04:18:15 +08:00 · 2026-02-24 06:20:41 -06:00 · 2026-02-24 06:19:31 -06:00 · 2026-02-24 06:17:44 -06:00 · 2026-02-24 01:36:59 -06:00 · 2026-02-24 01:34:16 -06:00
179 changed files with 5152 additions and 955 deletions
@@ -10,7 +10,10 @@
      "@json-render/shadcn",
      "@json-render/react-native",
      "@json-render/remotion",
-      "@json-render/codegen"
+      "@json-render/codegen",
+      "@json-render/zustand",
+      "@json-render/redux",
+      "@json-render/jotai"
    ]
  ],
  "linked": [],
@@ -18,7 +21,7 @@
  "baseBranch": "main",
  "updateInternalDependencies": "patch",
  "privatePackages": {
-    "version": false,
+    "version": true,
    "tag": false
  }
 }
@@ -0,0 +1,7 @@
+---
+"@json-render/react": patch
+"@json-render/react-pdf": patch
+"@json-render/react-native": patch
+---
+
+Fix install failure caused by `@internal/react-state` (a private workspace package) being listed as a published dependency. The internal package is now bundled into each renderer's output at build time, so consumers no longer need to resolve it from npm.
@@ -6,11 +6,8 @@ node_modules
 .pnp.js

 # Local env files
-.env
-.env.local
-.env.development.local
-.env.test.local
-.env.production.local
+.env*
+!.env.example

 # Testing
 coverage
@@ -44,10 +41,6 @@ yarn-error.log*
 # opensrc - source code for packages
 opensrc/

-# json-studio (separate repo)
-json-studio/
-.env*.local
-
 # Stripe apps (generated from template + build artifacts)
 examples/stripe-app/*/stripe-app.json
 examples/stripe-app/*/.build
@@ -27,12 +27,48 @@ This ensures we don't install outdated versions that may have incompatible types
 - Do not use emojis in code or UI
 - Use shadcn CLI to add shadcn/ui components: `pnpm dlx shadcn@latest add <component>`

+## AI SDK / AI Gateway
+
+When using the Vercel AI SDK (`ai` package) with AI Gateway, pass the model as a plain string identifier -- do not import a provider constructor:
+
+```ts
+import { streamText } from "ai";
+
+const result = streamText({
+  model: "anthropic/claude-haiku-4.5",
+  prompt: "...",
+});
+```
+
+This requires `AI_GATEWAY_API_KEY` to be set in the environment. See `tests/e2e/` for examples.
+
+## Dev Servers
+
+All apps and examples with dev servers use [portless](https://github.com/vercel-labs/portless) to avoid hardcoded ports. Portless assigns random ports and exposes each app via `.localhost` URLs.
+
+Naming convention:
+- Main web app: `json-render` → `json-render.localhost:1355`
+- Examples: `[name]-demo.json-render` → `[name]-demo.json-render.localhost:1355`
+
+When adding a new example that runs a dev server, wrap its `dev` script with `portless <name>`:
+
+```json
+{
+  "scripts": {
+    "dev": "portless my-example-demo.json-render next dev --turbopack"
+  }
+}
+```
+
+Do **not** add `--port` flags -- portless handles port assignment automatically. Do **not** add portless as a project dependency; it must be installed globally.
+
 ## Workflow

 - Run `pnpm type-check` after each turn to ensure type safety
 - When making user-facing changes (new packages, API changes, new features, renamed exports, changed behavior), update the relevant documentation:
  - Package `README.md` files in `packages/*/README.md`
  - Root `README.md` (if packages table, install commands, or examples are affected)
+  - Web app docs in `apps/web/` (if guides, API references, or examples need updating)
  - Skills in `skills/*/SKILL.md` (if the package has a corresponding skill)
  - `AGENTS.md` (if workflow or conventions change)

@@ -32,7 +32,7 @@ json-render is a **Generative UI** framework: AI generates interfaces from natur

 ```typescript
 import { defineCatalog } from "@json-render/core";
-import { schema } from "@json-render/react";
+import { schema } from "@json-render/react/schema";
 import { z } from "zod";

 const catalog = defineCatalog(schema, {
@@ -114,6 +114,9 @@ function Dashboard({ spec }) {
 | `@json-render/react-native` | React Native renderer with standard mobile components |
 | `@json-render/remotion` | Remotion video renderer, timeline schema |
 | `@json-render/react-pdf` | React PDF renderer for generating PDF documents from specs |
+| `@json-render/redux` | Redux / Redux Toolkit adapter for `StateStore` |
+| `@json-render/zustand` | Zustand adapter for `StateStore` |
+| `@json-render/jotai` | Jotai adapter for `StateStore` |

 ## Renderers

@@ -121,7 +124,7 @@ function Dashboard({ spec }) {

 ```tsx
 import { defineRegistry, Renderer } from "@json-render/react";
-import { schema } from "@json-render/react";
+import { schema } from "@json-render/react/schema";

 // Flat spec format (root key + elements map)
 const spec = {
@@ -149,7 +152,8 @@ const { registry } = defineRegistry(catalog, { components });

 ```tsx
 import { defineCatalog } from "@json-render/core";
-import { schema, defineRegistry, Renderer } from "@json-render/react";
+import { schema } from "@json-render/react/schema";
+import { defineRegistry, Renderer } from "@json-render/react";
 import { shadcnComponentDefinitions } from "@json-render/shadcn/catalog";
 import { shadcnComponents } from "@json-render/shadcn";

@@ -343,9 +347,9 @@ pnpm install
 pnpm dev
 ```

- http://localhost:3000 - Docs & Playground
- http://localhost:3001 - Example Dashboard
- http://localhost:3002 - Remotion Video Example
+- http://json-render.localhost:1355 - Docs & Playground
+- http://dashboard-demo.json-render.localhost:1355 - Example Dashboard
+- http://remotion-demo.json-render.localhost:1355 - Remotion Video Example
 - Chat Example: run `pnpm dev` in `examples/chat`
 - React Native example: run `npx expo start` in `examples/react-native`

@@ -0,0 +1,10 @@
+# web
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react@0.9.0
+  - @json-render/codegen@0.9.0
@@ -14,7 +14,7 @@ pnpm dev
 bun dev
 ```

-Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
+Open [http://json-render.localhost:1355](http://json-render.localhost:1355) with your browser to see the result.

 You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.

@@ -1,4 +1,5 @@
-export const metadata = { title: "A2UI Integration" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/a2ui")

 # A2UI Integration

@@ -66,7 +67,7 @@ A2UI uses an adjacency list model - a flat list of components with ID references

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 // A2UI BoundValue schema
@@ -1,4 +1,5 @@
-export const metadata = { title: "Adaptive Cards Integration" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/adaptive-cards")

 # Adaptive Cards Integration

@@ -89,7 +90,7 @@ Define a catalog matching the Adaptive Cards element types:

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 // Common Adaptive Cards properties
@@ -1,4 +1,5 @@
-export const metadata = { title: "AG-UI Integration" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/ag-ui")

 # AG-UI Integration

@@ -150,7 +151,7 @@ Create a catalog for UI components that agents can render:

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 export const aguiCatalog = defineCatalog(schema, {
@@ -1,4 +1,5 @@
-export const metadata = { title: "AI SDK Integration" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/ai-sdk")

 # AI SDK Integration

@@ -1,4 +1,5 @@
-export const metadata = { title: "@json-render/codegen API" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/codegen")

 # @json-render/codegen

@@ -1,4 +1,5 @@
-export const metadata = { title: "@json-render/core API" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/core")

 # @json-render/core

@@ -10,7 +11,7 @@ Creates a type-safe catalog definition with schema validation.

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';

 function defineCatalog<T extends ZodType>(
  s: T,
@@ -118,7 +119,7 @@ The schema for flat UI element trees. This is exported from @json-render/react.

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';

 // schema defines:
 // - Spec shape: { root: string, elements: Record<string, UIElement> }
@@ -1,4 +1,5 @@
-export const metadata = { title: "@json-render/react-native API" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/react-native")

 # @json-render/react-native

@@ -62,11 +63,36 @@ React Native renderer with standard components, providers, and hooks.
 ### StateProvider

 ```tsx
-<StateProvider initialState={object}>
+<StateProvider initialState={object} onStateChange={fn}>
  {children}
 </StateProvider>
 ```

+| Prop | Type | Description |
+|------|------|-------------|
+| `store` | `StateStore` | External store (controlled mode). When provided, `initialState` and `onStateChange` are ignored. |
+| `initialState` | `Record<string, unknown>` | Initial state model (uncontrolled mode). |
+| `onStateChange` | `(changes: Array<{ path: string; value: unknown }>) => void` | Callback when state changes (uncontrolled mode). Called once per `set` or `update` with all changed entries. |
+
+#### External Store (Controlled Mode)
+
+Pass a `StateStore` to bypass the internal state and wire json-render to any state management library:
+
+```tsx
+import { createStateStore, type StateStore } from "@json-render/react-native";
+
+const store = createStateStore({ count: 0 });
+
+<StateProvider store={store}>
+  {children}
+</StateProvider>
+
+// Mutate from anywhere — components re-render automatically:
+store.set("/count", 1);
+```
+
+The `store` prop is also available on `JSONUIProvider` and `createRenderer`.
+
 ### ActionProvider

 ```tsx
@@ -0,0 +1,439 @@
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/react-pdf")
+
+# @json-render/react-pdf
+
+PDF document renderer. Turn JSON specs into PDFs using `@react-pdf/renderer`.
+
+## Install
+
+```bash
+npm install @json-render/core @json-render/react-pdf
+```
+
+See the [React PDF example](https://github.com/vercel-labs/json-render/tree/main/examples/react-pdf) for a full working example.
+
+## schema
+
+The PDF element schema for document specs. Use with `defineCatalog` from core.
+
+```typescript
+import { defineCatalog } from '@json-render/core';
+import { schema, standardComponentDefinitions } from '@json-render/react-pdf';
+
+const catalog = defineCatalog(schema, {
+  components: standardComponentDefinitions,
+});
+```
+
+## Render Functions
+
+Server-side functions for producing PDF output. All accept a spec and optional `RenderOptions`.
+
+```typescript
+import { renderToBuffer, renderToStream, renderToFile } from '@json-render/react-pdf';
+
+const buffer = await renderToBuffer(spec);
+
+const stream = await renderToStream(spec);
+stream.pipe(res);
+
+await renderToFile(spec, './output.pdf');
+```
+
+### RenderOptions
+
+```typescript
+interface RenderOptions {
+  registry?: ComponentRegistry;
+  includeStandard?: boolean;  // default: true
+  state?: Record<string, unknown>;
+}
+```
+
+<table>
+  <thead>
+    <tr>
+      <th>Option</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td><code>registry</code></td>
+      <td>Custom component map (merged with standard components)</td>
+    </tr>
+    <tr>
+      <td><code>includeStandard</code></td>
+      <td>Include built-in standard components (default: <code>true</code>)</td>
+    </tr>
+    <tr>
+      <td><code>state</code></td>
+      <td>Initial state for <code>$state</code> / <code>$cond</code> dynamic prop resolution</td>
+    </tr>
+  </tbody>
+</table>
+
+## defineRegistry
+
+Create a type-safe component registry from a catalog. Components receive `{ props, children, emit, bindings, loading }`.
+
+```tsx
+import { defineRegistry } from '@json-render/react-pdf';
+import { View, Text } from '@react-pdf/renderer';
+
+const { registry } = defineRegistry(catalog, {
+  components: {
+    Badge: ({ props }) => (
+      <View style={{ backgroundColor: props.color ?? '#e5e7eb', padding: 4, borderRadius: 4 }}>
+        <Text style={{ fontSize: 10 }}>{props.label}</Text>
+      </View>
+    ),
+  },
+});
+
+const buffer = await renderToBuffer(spec, { registry });
+```
+
+## createRenderer
+
+Create a standalone renderer component wired to state, actions, and validation.
+
+```typescript
+import { createRenderer } from '@json-render/react-pdf';
+
+const PDFRenderer = createRenderer(catalog, components);
+```
+
+```typescript
+interface CreateRendererProps {
+  spec: Spec | null;
+  store?: StateStore;
+  state?: Record<string, unknown>;
+  onAction?: (actionName: string, params?: Record<string, unknown>) => void;
+  onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void;
+  loading?: boolean;
+  fallback?: ComponentRenderer;
+}
+```
+
+When `store` is provided, `state` and `onStateChange` are ignored (controlled mode).
+
+## Renderer
+
+The main component that renders a spec to `@react-pdf/renderer` elements.
+
+```typescript
+interface RendererProps {
+  spec: Spec | null;
+  registry?: ComponentRegistry;
+  includeStandard?: boolean;  // default: true
+  loading?: boolean;
+  fallback?: ComponentRenderer;
+}
+```
+
+## Standard Components
+
+### Document Structure
+
+#### Document
+
+Top-level PDF wrapper. Must be the root element. Children must be `Page` components.
+
+```typescript
+{
+  title: string | null;
+  author: string | null;
+  subject: string | null;
+}
+```
+
+#### Page
+
+A page in the document with configurable size, orientation, and margins.
+
+```typescript
+{
+  size: "A4" | "A3" | "A5" | "LETTER" | "LEGAL" | "TABLOID" | null;
+  orientation: "portrait" | "landscape" | null;
+  marginTop: number | null;
+  marginBottom: number | null;
+  marginLeft: number | null;
+  marginRight: number | null;
+  backgroundColor: string | null;
+}
+```
+
+### Layout
+
+#### View
+
+Generic container with padding, margin, background, border, and flex alignment.
+
+```typescript
+{
+  padding: number | null;
+  paddingTop: number | null;
+  paddingBottom: number | null;
+  paddingLeft: number | null;
+  paddingRight: number | null;
+  margin: number | null;
+  backgroundColor: string | null;
+  borderWidth: number | null;
+  borderColor: string | null;
+  borderRadius: number | null;
+  flex: number | null;
+  alignItems: "flex-start" | "center" | "flex-end" | "stretch" | null;
+  justifyContent: "flex-start" | "center" | "flex-end" | "space-between" | "space-around" | null;
+}
+```
+
+#### Row
+
+Horizontal flex layout with optional wrapping.
+
+```typescript
+{
+  gap: number | null;
+  alignItems: "flex-start" | "center" | "flex-end" | "stretch" | null;
+  justifyContent: "flex-start" | "center" | "flex-end" | "space-between" | "space-around" | null;
+  padding: number | null;
+  flex: number | null;
+  wrap: boolean | null;
+}
+```
+
+#### Column
+
+Vertical flex layout.
+
+```typescript
+{
+  gap: number | null;
+  alignItems: "flex-start" | "center" | "flex-end" | "stretch" | null;
+  justifyContent: "flex-start" | "center" | "flex-end" | "space-between" | "space-around" | null;
+  padding: number | null;
+  flex: number | null;
+}
+```
+
+### Content
+
+#### Heading
+
+h1-h4 heading text with configurable color and alignment.
+
+```typescript
+{
+  text: string;
+  level: "h1" | "h2" | "h3" | "h4" | null;
+  color: string | null;
+  align: "left" | "center" | "right" | null;
+}
+```
+
+#### Text
+
+Body text with full styling control.
+
+```typescript
+{
+  text: string;
+  fontSize: number | null;
+  color: string | null;
+  align: "left" | "center" | "right" | null;
+  fontWeight: "normal" | "bold" | null;
+  fontStyle: "normal" | "italic" | null;
+  lineHeight: number | null;
+}
+```
+
+#### Image
+
+Image from a URL with optional dimensions and fit.
+
+```typescript
+{
+  src: string;
+  width: number | null;
+  height: number | null;
+  objectFit: "contain" | "cover" | "fill" | "none" | null;
+}
+```
+
+#### Link
+
+Hyperlink with visible text.
+
+```typescript
+{
+  text: string;
+  href: string;
+  fontSize: number | null;
+  color: string | null;
+}
+```
+
+### Data
+
+#### Table
+
+Data table with typed columns and string rows. Supports header styling and striped rows.
+
+```typescript
+{
+  columns: { header: string; width?: string; align?: "left" | "center" | "right" }[];
+  rows: string[][];
+  headerBackgroundColor: string | null;
+  headerTextColor: string | null;
+  borderColor: string | null;
+  fontSize: number | null;
+  striped: boolean | null;
+}
+```
+
+#### List
+
+Ordered or unordered list.
+
+```typescript
+{
+  items: string[];
+  ordered: boolean | null;
+  fontSize: number | null;
+  color: string | null;
+  spacing: number | null;
+}
+```
+
+### Decorative
+
+#### Divider
+
+Horizontal line separator.
+
+```typescript
+{
+  color: string | null;
+  thickness: number | null;
+  marginTop: number | null;
+  marginBottom: number | null;
+}
+```
+
+#### Spacer
+
+Empty vertical space.
+
+```typescript
+{
+  height: number | null;
+}
+```
+
+### Page-Level
+
+#### PageNumber
+
+Renders current page number and total pages. Format uses `{pageNumber}` and `{totalPages}` placeholders.
+
+```typescript
+{
+  format: string | null;    // default: "{pageNumber} / {totalPages}"
+  fontSize: number | null;
+  color: string | null;
+  align: "left" | "center" | "right" | null;
+}
+```
+
+## External Store (Controlled Mode)
+
+Pass a `StateStore` to `StateProvider`, `JSONUIProvider`, or `createRenderer` for full control over state:
+
+```tsx
+import { createStateStore, type StateStore } from "@json-render/react-pdf";
+
+const store = createStateStore({ invoice: { total: 100 } });
+store.set("/invoice/total", 200);
+```
+
+When `store` is provided, `initialState` / `state` and `onStateChange` are ignored.
+
+## Server-Safe Import
+
+Import schema and catalog definitions without pulling in React or `@react-pdf/renderer`:
+
+```typescript
+import { schema, standardComponentDefinitions } from '@json-render/react-pdf/server';
+```
+
+## Sub-path Exports
+
+<table>
+  <thead>
+    <tr>
+      <th>Export</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td><code>@json-render/react-pdf</code></td>
+      <td>Full package: schema, renderer, components, render functions</td>
+    </tr>
+    <tr>
+      <td><code>@json-render/react-pdf/server</code></td>
+      <td>Schema and catalog definitions only (no React)</td>
+    </tr>
+    <tr>
+      <td><code>@json-render/react-pdf/catalog</code></td>
+      <td>Standard component definitions and types</td>
+    </tr>
+    <tr>
+      <td><code>@json-render/react-pdf/render</code></td>
+      <td>Server-side render functions only</td>
+    </tr>
+  </tbody>
+</table>
+
+## Types
+
+<table>
+  <thead>
+    <tr>
+      <th>Export</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td><code>ReactPdfSchema</code></td>
+      <td>Schema type for PDF specs</td>
+    </tr>
+    <tr>
+      <td><code>ReactPdfSpec</code></td>
+      <td>Spec type for PDF documents</td>
+    </tr>
+    <tr>
+      <td><code>RenderOptions</code></td>
+      <td>Options for render functions</td>
+    </tr>
+    <tr>
+      <td><code>ComponentContext</code></td>
+      <td>Typed component render function context</td>
+    </tr>
+    <tr>
+      <td><code>ComponentFn</code></td>
+      <td>Component render function type</td>
+    </tr>
+    <tr>
+      <td><code>StandardComponentDefinitions</code></td>
+      <td>Type of the standard component definitions object</td>
+    </tr>
+    <tr>
+      <td><code>StandardComponentProps&lt;K&gt;</code></td>
+      <td>Inferred props type for a standard component by name</td>
+    </tr>
+  </tbody>
+</table>
@@ -1,4 +1,5 @@
-export const metadata = { title: "@json-render/react API" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/react")

 # @json-render/react

@@ -9,11 +10,36 @@ React components, providers, and hooks.
 ### StateProvider

 ```tsx
-<StateProvider initialState={object}>
+<StateProvider initialState={object} onStateChange={fn}>
  {children}
 </StateProvider>
 ```

+| Prop | Type | Description |
+|------|------|-------------|
+| `store` | `StateStore` | External store (controlled mode). When provided, `initialState` and `onStateChange` are ignored. |
+| `initialState` | `Record<string, unknown>` | Initial state model (uncontrolled mode). |
+| `onStateChange` | `(changes: Array<{ path: string; value: unknown }>) => void` | Callback when state changes (uncontrolled mode). Called once per `set` or `update` with all changed entries. |
+
+#### External Store (Controlled Mode)
+
+Pass a `StateStore` to bypass the internal state and wire json-render to any state management library:
+
+```tsx
+import { createStateStore, type StateStore } from "@json-render/react";
+
+const store = createStateStore({ count: 0 });
+
+<StateProvider store={store}>
+  {children}
+</StateProvider>
+
+// Mutate from anywhere — React re-renders automatically:
+store.set("/count", 1);
+```
+
+The `store` prop is also available on `JSONUIProvider` and `createRenderer`.
+
 ### ActionProvider

 ```tsx
@@ -1,4 +1,5 @@
-export const metadata = { title: "@json-render/remotion API" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/remotion")

 # @json-render/remotion

@@ -1,4 +1,5 @@
-export const metadata = { title: "@json-render/shadcn API" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/api/shadcn")

 # @json-render/shadcn

@@ -1,4 +1,5 @@
-export const metadata = { title: "Catalog" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/catalog")

 # Catalog

@@ -18,7 +19,7 @@ A catalog is the vocabulary for your UI. While the [schema](/docs/schemas) defin

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react'; // or '@json-render/react-native'
+import { schema } from '@json-render/react/schema'; // or '@json-render/react-native/schema'
 import { z } from 'zod';

 const catalog = defineCatalog(schema, {
@@ -1,9 +1,74 @@
-export const metadata = { title: "Changelog" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/changelog")

 # Changelog

 Notable changes and updates to json-render.

+## v0.9.1
+
+February 2026
+
+### Fixed: Install failure due to private dependency
+
+`@json-render/react`, `@json-render/react-pdf`, and `@json-render/react-native` v0.9.0 failed to install because `@internal/react-state` (a private workspace package) was published as a dependency. The internal package is now bundled into each renderer at build time, so it no longer needs to be resolved from npm.
+
+---
+
+## v0.9.0
+
+February 2026
+
+### New: External State Store
+
+The `StateStore` interface lets you plug in your own state management (Redux, Zustand, Jotai, XState, etc.) instead of the built-in internal store. Pass a `store` prop to `StateProvider`, `JSONUIProvider`, or `createRenderer` for controlled mode.
+
+- Added `StateStore` interface and `createStateStore()` factory to `@json-render/core`
+- `StateProvider`, `JSONUIProvider`, and `createRenderer` now accept an optional `store` prop
+- When `store` is provided, it becomes the single source of truth (`initialState`/`onStateChange` are ignored)
+- When `store` is omitted, everything works exactly as before (fully backward compatible)
+- Applied across all platform packages: react, react-native, react-pdf
+- Store utilities (`createStoreAdapter`, `immutableSetByPath`, `flattenToPointers`) available via `@json-render/core/store-utils` for building custom adapters
+
+New adapter packages: `@json-render/redux`, `@json-render/zustand`, `@json-render/jotai`.
+
+See the [Data Binding](/docs/data-binding#external-store-controlled-mode) guide for usage.
+
+### Changed: `onStateChange` signature updated (breaking)
+
+The `onStateChange` callback now receives a single array of changed entries instead of being called once per path. This makes batch updates via `update()` easier to handle:
+
+```ts
+// Before
+onStateChange?: (path: string, value: unknown) => void
+
+// After
+onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void
+```
+
+The callback is only called when a `set()` or `update()` call actually changes the state. A `set()` call produces a single-element array; an `update()` call produces one array with all changed paths.
+
+### Fixed: Server-safe schema import
+
+`@json-render/react` barrel-imports React contexts that call `createContext`, which crashes in Next.js App Router API routes (RSC runtime strips `createContext`). All docs, examples, and skills now import `schema` from `@json-render/react/schema` instead of `@json-render/react`.
+
+For combined imports, split into separate `schema` (subpath) and client API (main entry) lines:
+
+```ts
+import { schema } from "@json-render/react/schema";
+import { defineRegistry, Renderer } from "@json-render/react";
+```
+
+### Fixed: Chaining actions
+
+Fixed an issue where chaining multiple actions on the same event (e.g. `setState` followed by a custom action) did not execute all actions. Affected `@json-render/react`, `@json-render/react-native`, and `@json-render/react-pdf`.
+
+### Fixed: Zod array inner type resolution
+
+Fixed safely resolving the inner type for Zod arrays in schema introspection, preventing errors when catalog component props use `z.array()`.
+
+---
+
 ## v0.8.0

 February 2026
@@ -1,4 +1,5 @@
-export const metadata = { title: "Code Export" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/code-export")

 # Code Export

@@ -134,6 +135,6 @@ Run the dashboard example and click "Export Project" to see code generation in a
 ```bash
 cd examples/dashboard
 pnpm dev
-# Open http://localhost:3001
+# Open http://dashboard-demo.json-render.localhost:1355
 # Generate a widget, then click "Export Project"
 ```
@@ -1,4 +1,5 @@
-export const metadata = { title: "Custom Schema & Renderer" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/custom-schema")

 # Custom Schema & Renderer

@@ -1,4 +1,5 @@
-export const metadata = { title: "Data Binding" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/data-binding")

 # Data Binding

@@ -258,6 +259,25 @@ The condition uses the same [visibility](/docs/visibility) expression format.
  </table>
 </div>

+## External Store (Controlled Mode)
+
+For advanced use cases, you can pass a `StateStore` to `StateProvider` to use your own state management (Redux, Zustand, XState, etc.) instead of the built-in internal store:
+
+```tsx
+import { createStateStore, type StateStore } from "@json-render/react";
+
+const store = createStateStore({ user: { name: "Alice" } });
+
+<StateProvider store={store}>
+  {children}
+</StateProvider>
+
+// Mutate from anywhere — React re-renders automatically:
+store.set("/user/name", "Bob");
+```
+
+When `store` is provided, `initialState` and `onStateChange` are ignored. The store is the single source of truth. See the [React API reference](/docs/api/react#external-store-controlled-mode) for the full `StateStore` interface.
+
 ## Next

 - [Visibility](/docs/visibility) — conditionally show or hide elements
@@ -1,4 +1,5 @@
-export const metadata = { title: "Generation Modes" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/generation-modes")

 # Generation Modes

@@ -1,4 +1,5 @@
-export const metadata = { title: "Installation" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/installation")

 # Installation

@@ -24,6 +25,18 @@ Requires Tailwind CSS in your project. See the [@json-render/shadcn API referenc

 <PackageInstall packages="@json-render/core @json-render/remotion remotion @remotion/player" />

+## For External State Management (Optional)
+
+If you want to wire json-render to an existing state management library instead of the built-in store, install the adapter for your library:
+
+<PackageInstall packages="@json-render/zustand" />
+
+<PackageInstall packages="@json-render/redux" />
+
+<PackageInstall packages="@json-render/jotai" />
+
+See the [Data Binding](/docs/data-binding#external-store-controlled-mode) guide for usage.
+
 ## Peer Dependencies

 json-render requires the following peer dependencies:
@@ -1,4 +1,5 @@
-export const metadata = { title: "Migration Guide" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/migration")

 # Migration Guide

@@ -1,4 +1,5 @@
-export const metadata = { title: "OpenAPI Integration" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/openapi")

 # OpenAPI Integration

@@ -99,7 +100,7 @@ Create components that map to OpenAPI data types:

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 export const openapiCatalog = defineCatalog(schema, {
@@ -1,4 +1,5 @@
-export const metadata = { title: "Introduction" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs")

 # Introduction

@@ -22,7 +23,7 @@ A catalog declares what AI can use: components with typed props, actions with ty

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 export const catalog = defineCatalog(schema, {
@@ -1,4 +1,5 @@
-export const metadata = { title: "Quick Start" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/quick-start")

 # Quick Start

@@ -11,7 +12,7 @@ Create a catalog that defines what components AI can use:
 ```typescript
 // lib/catalog.ts
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 export const catalog = defineCatalog(schema, {
@@ -1,4 +1,5 @@
-export const metadata = { title: "Registry" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/registry")

 # Registry

@@ -132,7 +133,7 @@ Actions are declared in your [catalog](/docs/catalog). The `@json-render/react`

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react';
+import { schema } from '@json-render/react/schema';
 import { z } from 'zod';

 const catalog = defineCatalog(schema, {
@@ -1,4 +1,5 @@
-export const metadata = { title: "Schemas" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/schemas")

 # Schemas

@@ -1,4 +1,5 @@
-export const metadata = { title: "Specs" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/specs")

 # Specs

@@ -1,4 +1,5 @@
-export const metadata = { title: "Streaming" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/streaming")

 # Streaming

@@ -1,4 +1,5 @@
-export const metadata = { title: "Validation" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/validation")

 # Validation

@@ -66,7 +67,7 @@ Define custom validators in your catalog's `functions` field. The catalog itself

 ```typescript
 import { defineCatalog } from '@json-render/core';
-import { schema } from '@json-render/react'; // or '@json-render/react-native'
+import { schema } from '@json-render/react/schema'; // or '@json-render/react-native/schema'
 import { z } from 'zod';

 const catalog = defineCatalog(schema, {
@@ -1,4 +1,5 @@
-export const metadata = { title: "Visibility" }
+import { pageMetadata } from "@/lib/page-metadata"
+export const metadata = pageMetadata("docs/visibility")

 # Visibility

@@ -154,23 +154,34 @@ button {
  margin-bottom: 0.5em;
 }

-/* MDX table styles — fallback for GFM-generated tables */
+/* MDX table styles — applies to both GFM pipe tables and raw HTML tables */
 .mdx-table th,
-.mdx-table td {
+.mdx-table td,
+article table th,
+article table td {
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  text-align: left;
 }

-.mdx-table th {
+.mdx-table th,
+article table th {
  font-weight: 600;
  background-color: var(--muted);
 }

-.mdx-table td {
+.mdx-table td,
+article table td {
  color: var(--muted-foreground);
 }

+article table {
+  width: 100%;
+  font-size: 0.875rem;
+  border-collapse: collapse;
+  margin: 1.5rem 0;
+}
+
 /* Shiki dual theme support */
 .shiki,
 .shiki span {
@@ -1,5 +1,6 @@
 import type { Metadata } from "next";
 import localFont from "next/font/local";
+import { GeistPixelSquare } from "geist/font/pixel";
 import "./globals.css";
 import { ThemeProvider } from "@/components/theme-provider";
 import { DocsChat } from "@/components/docs-chat";
@@ -61,7 +62,6 @@ export const metadata: Metadata = {
    description:
      "The Generative UI framework. Generate dashboards, widgets, and apps from prompts — safely constrained to components you define.",
    images: ["/og"],
-    creator: "@verabornnot",
  },
  robots: {
    index: true,
@@ -92,7 +92,9 @@ export default async function RootLayout({
          />
        )}
      </head>
-      <body className={`${geistSans.variable} ${geistMono.variable}`}>
+      <body
+        className={`${geistSans.variable} ${geistMono.variable} ${GeistPixelSquare.variable}`}
+      >
        <ThemeProvider>
          {children}
          <DocsChat defaultOpen={chatOpen} defaultWidth={chatWidth} />
@@ -5,19 +5,20 @@ import { join } from "node:path";
 export { getPageTitle } from "@/lib/page-titles";

 // Cache font data in memory after first load
-let fontCache: { geistRegular: Buffer } | null = null;
+let fontCache: { geistRegular: Buffer; geistPixelSquare: Buffer } | null = null;

 async function loadFonts() {
  if (fontCache) return fontCache;
-  const geistRegular = await readFile(
-    join(process.cwd(), "public/Geist-Regular.ttf"),
-  );
-  fontCache = { geistRegular };
+  const [geistRegular, geistPixelSquare] = await Promise.all([
+    readFile(join(process.cwd(), "public/Geist-Regular.ttf")),
+    readFile(join(process.cwd(), "public/GeistPixel-Square.ttf")),
+  ]);
+  fontCache = { geistRegular, geistPixelSquare };
  return fontCache;
 }

 export async function renderOgImage(title: string) {
-  const { geistRegular } = await loadFonts();
+  const { geistRegular, geistPixelSquare } = await loadFonts();

  return new ImageResponse(
    <div
@@ -53,8 +54,8 @@ export async function renderOgImage(title: string) {
        <span
          style={{
            fontSize: 36,
-            fontFamily: "Geist",
-            fontWeight: 400,
+            fontFamily: "Geist Pixel Square",
+            fontWeight: 500,
            color: "white",
          }}
        >
@@ -99,6 +100,12 @@ export async function renderOgImage(title: string) {
          style: "normal",
          weight: 400,
        },
+        {
+          name: "Geist Pixel Square",
+          data: geistPixelSquare.buffer as ArrayBuffer,
+          style: "normal",
+          weight: 500,
+        },
      ],
    },
  );
@@ -1,10 +1,7 @@
 import { Playground } from "@/components/playground";
+import { pageMetadata } from "@/lib/page-metadata";

-import { PAGE_TITLES } from "@/lib/page-titles";
-
-export const metadata = {
-  title: PAGE_TITLES["playground"],
-};
+export const metadata = pageMetadata("playground");

 export default function PlaygroundPage() {
  return <Playground />;
@@ -57,7 +57,7 @@ export function Header() {
            </svg>
          </span>
          <Link href="/">
-            <span className="font-medium tracking-tight text-lg">
+            <span className="font-medium tracking-tight text-lg font-(family-name:--font-geist-pixel-square)">
              json-render
            </span>
          </Link>
@@ -16,17 +16,20 @@ import { CopyButton } from "./copy-button";
 import { Toaster } from "./ui/sonner";
 import { Header } from "./header";
 import { Sheet, SheetContent, SheetTitle } from "./ui/sheet";
+import { JsonEditor } from "@visual-json/react";
+import type { JsonValue } from "@visual-json/react";
 import { PlaygroundRenderer } from "@/lib/render/renderer";
 import { playgroundCatalog } from "@/lib/render/catalog";
 import { buildCatalogDisplayData } from "@/lib/render/catalog-display";

-type Tab = "json" | "nested" | "stream" | "catalog";
+type Tab = "json" | "nested" | "stream" | "catalog" | "visual";
 type RenderView = "preview" | "code";
 type MobileView =
  | "json"
  | "nested"
  | "stream"
  | "catalog"
+  | "visual"
  | "preview"
  | "generated-code";

@@ -233,6 +236,20 @@ export function Playground() {
    [handleSubmit],
  );

+  const handleVisualChange = useCallback(
+    (value: JsonValue) => {
+      if (!selectedVersionId || isStreaming) return;
+      setVersions((prev) =>
+        prev.map((v) =>
+          v.id === selectedVersionId
+            ? { ...v, tree: value as unknown as Spec }
+            : v,
+        ),
+      );
+    },
+    [selectedVersionId, isStreaming],
+  );
+
  const jsonCode = currentTree
    ? JSON.stringify(currentTree, null, 2)
    : "// waiting...";
@@ -479,31 +496,69 @@ ${jsx}
        ? jsonCode
        : activeTab === "nested"
          ? nestedCode
-          : "";
+          : activeTab === "visual"
+            ? jsonCode
+            : "";

  const codePane = (
    <div className="h-full flex flex-col border-t border-border">
      <div className="border-b border-border px-3 h-9 flex items-center gap-3">
-        {(["json", "nested", "stream", "catalog"] as const).map((tab) => (
-          <button
-            key={tab}
-            onClick={() => setActiveTab(tab)}
-            className={`text-xs font-mono transition-colors ${
-              activeTab === tab
-                ? "text-foreground"
-                : "text-muted-foreground hover:text-foreground"
-            }`}
-          >
-            {tab}
-          </button>
-        ))}
+        {(["json", "visual", "nested", "stream", "catalog"] as const).map(
+          (tab) => (
+            <button
+              key={tab}
+              onClick={() => setActiveTab(tab)}
+              className={`text-xs font-mono transition-colors ${
+                activeTab === tab
+                  ? "text-foreground"
+                  : "text-muted-foreground hover:text-foreground"
+              }`}
+            >
+              {tab}
+            </button>
+          ),
+        )}
        <div className="flex-1" />
-        {activeTab !== "catalog" && (
+        {activeTab !== "catalog" && activeTab !== "visual" && (
          <CopyButton text={copyText} className="text-muted-foreground" />
        )}
      </div>
      <div className="flex-1 overflow-auto">
-        {activeTab === "catalog" ? (
+        {activeTab === "visual" ? (
+          currentTree ? (
+            <JsonEditor
+              value={currentTree as unknown as JsonValue}
+              onChange={handleVisualChange}
+              readOnly={isStreaming}
+              sidebarOpen={false}
+              height="100%"
+              className="h-full"
+              style={
+                {
+                  "--vj-bg": "var(--background)",
+                  "--vj-bg-panel": "var(--background)",
+                  "--vj-bg-hover": "var(--muted)",
+                  "--vj-bg-selected": "var(--primary)",
+                  "--vj-bg-selected-muted": "var(--muted)",
+                  "--vj-text": "var(--foreground)",
+                  "--vj-text-selected": "var(--primary-foreground)",
+                  "--vj-text-muted": "var(--muted-foreground)",
+                  "--vj-text-dim": "var(--muted-foreground)",
+                  "--vj-border": "var(--border)",
+                  "--vj-border-subtle": "var(--border)",
+                  "--vj-accent": "var(--primary)",
+                  "--vj-accent-muted": "var(--muted)",
+                  "--vj-input-bg": "var(--secondary)",
+                  "--vj-input-border": "var(--border)",
+                } as React.CSSProperties
+              }
+            />
+          ) : (
+            <div className="text-muted-foreground/50 p-3 text-sm font-mono">
+              {"// generate a spec to edit visually"}
+            </div>
+          )
+        ) : activeTab === "catalog" ? (
          <div className="h-full flex flex-col text-sm">
            <div className="flex items-center gap-3 px-3 h-9 border-b border-border">
              {(
@@ -735,19 +790,21 @@ ${jsx}
              : 0}
          </button>
          {/* Code tabs */}
-          {(["json", "nested", "stream", "catalog"] as const).map((tab) => (
-            <button
-              key={tab}
-              onClick={() => setMobileView(tab)}
-              className={`text-xs font-mono transition-colors shrink-0 ${
-                mobileView === tab
-                  ? "text-foreground"
-                  : "text-muted-foreground hover:text-foreground"
-              }`}
-            >
-              {tab}
-            </button>
-          ))}
+          {(["json", "visual", "nested", "stream", "catalog"] as const).map(
+            (tab) => (
+              <button
+                key={tab}
+                onClick={() => setMobileView(tab)}
+                className={`text-xs font-mono transition-colors shrink-0 ${
+                  mobileView === tab
+                    ? "text-foreground"
+                    : "text-muted-foreground hover:text-foreground"
+                }`}
+              >
+                {tab}
+              </button>
+            ),
+          )}
          <div className="flex-1" />
          {/* Preview / code toggle */}
          {[
@@ -770,7 +827,41 @@ ${jsx}

        {/* Main content area */}
        <div className="flex-1 min-h-0 overflow-auto">
-          {mobileView === "catalog" ? (
+          {mobileView === "visual" ? (
+            currentTree ? (
+              <JsonEditor
+                value={currentTree as unknown as JsonValue}
+                onChange={handleVisualChange}
+                readOnly={isStreaming}
+                sidebarOpen={false}
+                height="100%"
+                className="h-full"
+                style={
+                  {
+                    "--vj-bg": "var(--background)",
+                    "--vj-bg-panel": "var(--background)",
+                    "--vj-bg-hover": "var(--muted)",
+                    "--vj-bg-selected": "var(--primary)",
+                    "--vj-bg-selected-muted": "var(--muted)",
+                    "--vj-text": "var(--foreground)",
+                    "--vj-text-selected": "var(--primary-foreground)",
+                    "--vj-text-muted": "var(--muted-foreground)",
+                    "--vj-text-dim": "var(--muted-foreground)",
+                    "--vj-border": "var(--border)",
+                    "--vj-border-subtle": "var(--border)",
+                    "--vj-accent": "var(--primary)",
+                    "--vj-accent-muted": "var(--muted)",
+                    "--vj-input-bg": "var(--secondary)",
+                    "--vj-input-border": "var(--border)",
+                  } as React.CSSProperties
+                }
+              />
+            ) : (
+              <div className="text-muted-foreground/50 p-3 text-sm font-mono">
+                {"// generate a spec to edit visually"}
+              </div>
+            )
+          ) : mobileView === "catalog" ? (
            <div className="h-full flex flex-col text-sm">
              <div className="flex items-center gap-3 px-3 h-9 border-b border-border">
                {(
@@ -1,4 +1,4 @@
-import { nextJsConfig } from "@repo/eslint-config/next-js";
+import { nextJsConfig } from "@internal/eslint-config/next-js";

 /** @type {import("eslint").Linter.Config[]} */
 export default [
@@ -57,6 +57,11 @@ export const docsNavigation: NavSection[] = [
        href: "https://github.com/vercel-labs/json-render/tree/main/examples/react-native",
        external: true,
      },
+      {
+        title: "React PDF",
+        href: "https://github.com/vercel-labs/json-render/tree/main/examples/react-pdf",
+        external: true,
+      },
      {
        title: "Remotion",
        href: "https://github.com/vercel-labs/json-render/tree/main/examples/remotion",
@@ -86,6 +91,7 @@ export const docsNavigation: NavSection[] = [
    items: [
      { title: "@json-render/core", href: "/docs/api/core" },
      { title: "@json-render/react", href: "/docs/api/react" },
+      { title: "@json-render/react-pdf", href: "/docs/api/react-pdf" },
      { title: "@json-render/shadcn", href: "/docs/api/shadcn" },
      { title: "@json-render/react-native", href: "/docs/api/react-native" },
      { title: "@json-render/remotion", href: "/docs/api/remotion" },
@@ -0,0 +1,39 @@
+import type { Metadata } from "next";
+import { PAGE_TITLES } from "./page-titles";
+
+const DESCRIPTION =
+  "The Generative UI framework. Generate dashboards, widgets, and apps from prompts — safely constrained to components you define.";
+
+export function pageMetadata(slug: string): Metadata {
+  const title = PAGE_TITLES[slug];
+  if (!title) return {};
+
+  const displayTitle = title.replace(/\n/g, " ");
+  const fullTitle = `${displayTitle} | json-render`;
+  const ogImageUrl = slug ? `/og/${slug}` : "/og";
+
+  return {
+    title: displayTitle,
+    openGraph: {
+      type: "website",
+      locale: "en_US",
+      siteName: "json-render",
+      title: fullTitle,
+      description: DESCRIPTION,
+      images: [
+        {
+          url: ogImageUrl,
+          width: 1200,
+          height: 630,
+          alt: `${displayTitle} - json-render`,
+        },
+      ],
+    },
+    twitter: {
+      card: "summary_large_image",
+      title: fullTitle,
+      description: DESCRIPTION,
+      images: [ogImageUrl],
+    },
+  };
+}
@@ -38,9 +38,11 @@ export const PAGE_TITLES: Record<string, string> = {
  // API references
  "docs/api/core": "@json-render/core API",
  "docs/api/react": "@json-render/react API",
+  "docs/api/react-pdf": "@json-render/react-pdf API",
  "docs/api/react-native": "@json-render/react-native API",
  "docs/api/codegen": "@json-render/codegen API",
  "docs/api/remotion": "@json-render/remotion API",
+  "docs/api/shadcn": "@json-render/shadcn API",
 };

 /**
@@ -1,11 +1,11 @@
 {
  "name": "web",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "type": "module",
  "private": true,
  "license": "Apache-2.0",
  "scripts": {
-    "dev": "next dev --turbopack",
+    "dev": "portless json-render next dev --turbopack",
    "build": "next build",
    "start": "next start",
    "lint": "eslint --max-warnings 0",
@@ -28,11 +28,13 @@
    "@upstash/redis": "^1.36.1",
    "@vercel/analytics": "^1.6.1",
    "@vercel/speed-insights": "^1.3.1",
+    "@visual-json/react": "0.1.1",
    "ai": "^6.0.33",
    "bash-tool": "1.3.14",
    "class-variance-authority": "^0.7.1",
    "clsx": "^2.1.1",
    "embla-carousel-react": "^8.6.0",
+    "geist": "1.7.0",
    "just-bash": "2.9.6",
    "lucide-react": "^0.562.0",
    "next": "16.1.1",
@@ -51,8 +53,8 @@
    "zod": "^4.0.0"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
-    "@repo/typescript-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
+    "@internal/typescript-config": "workspace:*",
    "@tailwindcss/postcss": "^4.1.18",
    "@types/mdx": "^2.0.13",
    "@types/node": "^22.15.3",
@@ -1,5 +1,5 @@
 {
-  "extends": "@repo/typescript-config/nextjs.json",
+  "extends": "@internal/typescript-config/nextjs.json",
  "compilerOptions": {
    "plugins": [
      {
@@ -0,0 +1,10 @@
+# example-chat
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react@0.9.0
+  - @json-render/shadcn@0.9.0
@@ -1,4 +1,4 @@
-import { nextJsConfig } from "@repo/eslint-config/next-js";
+import { nextJsConfig } from "@internal/eslint-config/next-js";

 /** @type {import("eslint").Linter.Config[]} */
 export default [
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";

 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
@@ -1,10 +1,10 @@
 {
  "name": "example-chat",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "type": "module",
  "private": true,
  "scripts": {
-    "dev": "next dev --turbopack",
+    "dev": "portless chat-demo.json-render next dev --turbopack",
    "build": "next build",
    "start": "next start",
    "lint": "eslint --max-warnings 0",
@@ -36,7 +36,7 @@
    "zod": "4.3.5"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
    "@tailwindcss/postcss": "^4.1.18",
    "@types/node": "^22.10.0",
    "@types/react": "19.2.3",
@@ -0,0 +1,10 @@
+# example-dashboard
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react@0.9.0
+  - @json-render/codegen@0.9.0
@@ -196,24 +196,28 @@ export function Widget({
    onDeleted?.();
  }, [widgetId, onDeleted]);

-  const handleStateChange = useCallback((path: string, value: unknown) => {
-    setState((prev) => {
-      const next = { ...prev };
-      // Convert path like "customerForm/name" to nested object
-      const parts = path.split("/");
-      let current: Record<string, unknown> = next;
-      for (let i = 0; i < parts.length - 1; i++) {
-        const part = parts[i]!;
-        if (!(part in current) || typeof current[part] !== "object") {
-          current[part] = {};
+  const handleStateChange = useCallback(
+    (changes: Array<{ path: string; value: unknown }>) => {
+      setState((prev) => {
+        const next = { ...prev };
+        for (const { path, value } of changes) {
+          const parts = path.split("/");
+          let current: Record<string, unknown> = next;
+          for (let i = 0; i < parts.length - 1; i++) {
+            const part = parts[i]!;
+            if (!(part in current) || typeof current[part] !== "object") {
+              current[part] = {};
+            }
+            current = current[part] as Record<string, unknown>;
+          }
+          const lastPart = parts[parts.length - 1]!;
+          current[lastPart] = value;
        }
-        current = current[part] as Record<string, unknown>;
-      }
-      const lastPart = parts[parts.length - 1]!;
-      current[lastPart] = value;
-      return next;
-    });
-  }, []);
+        return next;
+      });
+    },
+    [],
+  );

  // Use spec from stream, or initial spec for saved widgets
  const currentSpec = spec || initialSpec;
@@ -1,4 +1,4 @@
-import { nextJsConfig } from "@repo/eslint-config/next-js";
+import { nextJsConfig } from "@internal/eslint-config/next-js";

 /** @type {import("eslint").Linter.Config[]} */
 export default [
@@ -24,7 +24,7 @@ interface DashboardRendererProps {
  spec: Spec | null;
  state?: Record<string, unknown>;
  setState?: SetState;
-  onStateChange?: (path: string, value: unknown) => void;
+  onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void;
  loading?: boolean;
 }

@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";

 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
@@ -1,10 +1,10 @@
 {
  "name": "example-dashboard",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "type": "module",
  "private": true,
  "scripts": {
-    "dev": "next dev --turbopack",
+    "dev": "portless dashboard-demo.json-render next dev --turbopack",
    "build": "next build",
    "start": "next start",
    "lint": "eslint --max-warnings 0",
@@ -42,7 +42,7 @@
    "zod": "^4.0.0"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
    "@tailwindcss/postcss": "^4.1.18",
    "@types/node": "^22.10.0",
    "@types/react": "19.2.3",
@@ -0,0 +1,10 @@
+# example-no-ai
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react@0.9.0
+  - @json-render/shadcn@0.9.0
@@ -1,4 +1,4 @@
-import { nextJsConfig } from "@repo/eslint-config/next-js";
+import { nextJsConfig } from "@internal/eslint-config/next-js";

 /** @type {import("eslint").Linter.Config[]} */
 export default [
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";

 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
@@ -1,10 +1,10 @@
 {
  "name": "example-no-ai",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "type": "module",
  "private": true,
  "scripts": {
-    "dev": "next dev --turbopack --port 3003",
+    "dev": "portless no-ai-demo.json-render next dev --turbopack",
    "build": "next build",
    "start": "next start",
    "lint": "eslint --max-warnings 0",
@@ -26,7 +26,7 @@
    "zod": "4.3.5"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
    "@tailwindcss/postcss": "^4.1.18",
    "@types/node": "^22.10.0",
    "@types/react": "19.2.3",
@@ -0,0 +1,9 @@
+# example-react-native
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react-native@0.9.0
@@ -1,6 +1,6 @@
 {
  "name": "example-react-native",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "private": true,
  "main": "expo-router/entry",
  "scripts": {
@@ -0,0 +1,9 @@
+# example-react-pdf
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react-pdf@0.9.0
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";

 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
@@ -1,10 +1,10 @@
 {
  "name": "example-react-pdf",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "type": "module",
  "private": true,
  "scripts": {
-    "dev": "next dev --turbopack --port 3005",
+    "dev": "portless react-pdf-demo.json-render next dev --turbopack",
    "build": "next build",
    "start": "next start",
    "check-types": "tsc --noEmit"
@@ -28,7 +28,7 @@
    "zod": "4.3.5"
  },
  "devDependencies": {
-    "@repo/typescript-config": "workspace:*",
+    "@internal/typescript-config": "workspace:*",
    "@types/node": "^22.10.0",
    "@types/react": "19.2.3",
    "@types/react-dom": "19.2.3",
@@ -0,0 +1,9 @@
+# example-remotion
+
+## 0.1.1
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/remotion@0.9.0
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";

 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
@@ -1,10 +1,10 @@
 {
  "name": "example-remotion",
-  "version": "0.1.0",
+  "version": "0.1.1",
  "type": "module",
  "private": true,
  "scripts": {
-    "dev": "next dev --turbopack --port 3002",
+    "dev": "portless remotion-demo.json-render next dev --turbopack",
    "build": "next build",
    "start": "next start",
    "check-types": "tsc --noEmit"
@@ -29,7 +29,7 @@
    "zod": "^4.0.0"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
    "@tailwindcss/postcss": "^4.1.18",
    "@types/node": "^22.10.0",
    "@types/react": "19.2.3",
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";

 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
@@ -4,7 +4,7 @@
  "private": true,
  "type": "module",
  "scripts": {
-    "dev": "next dev --port 3001",
+    "dev": "portless stripe-api-demo.json-render next dev",
    "build": "next build",
    "start": "next start --port 3001"
  },
@@ -0,0 +1,9 @@
+# com.example.json-render-demo
+
+## 0.0.2
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react@0.9.0
@@ -1,4 +1,4 @@
-import { config as reactConfig } from "@repo/eslint-config/react-internal";
+import { config as reactConfig } from "@internal/eslint-config/react-internal";

 /** @type {import("eslint").Linter.Config[]} */
 export default [
@@ -1,6 +1,6 @@
 {
  "name": "com.example.json-render-demo",
-  "version": "0.0.1",
+  "version": "0.0.2",
  "description": "Test",
  "private": true,
  "license": "~~proprietary~~",
@@ -21,7 +21,7 @@
    "test": "jest"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
    "@stripe/ui-extension-tools": "^0.0.1",
    "eslint": "^9.39.0"
  }
@@ -1 +1,2 @@
-export const API_GENERATE_URL = "http://localhost:3001/api/generate";
+export const API_GENERATE_URL =
+  "http://stripe-api-demo.json-render.localhost:1355/api/generate";
@@ -1,5 +1,5 @@
 import { defineCatalog } from "@json-render/core";
-import { schema } from "@json-render/react";
+import { schema } from "@json-render/react/schema";
 import { z } from "zod";

 /**
@@ -27,7 +27,7 @@ export interface StripeRendererProps {
  /** Function to update data */
  setData?: SetState;
  /** Callback when data changes */
-  onStateChange?: (path: string, value: unknown) => void;
+  onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void;
  /** Whether the spec is currently loading/streaming */
  loading?: boolean;
 }
@@ -0,0 +1,9 @@
+# com.example.json-render-fullpage-demo
+
+## 0.0.2
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+  - @json-render/react@0.9.0
@@ -1,4 +1,4 @@
-import { config as reactConfig } from "@repo/eslint-config/react-internal";
+import { config as reactConfig } from "@internal/eslint-config/react-internal";

 /** @type {import("eslint").Linter.Config[]} */
 export default [
@@ -1,6 +1,6 @@
 {
  "name": "com.example.json-render-fullpage-demo",
-  "version": "0.0.1",
+  "version": "0.0.2",
  "description": "Full-page Stripe App example (alpha)",
  "private": true,
  "license": "~~proprietary~~",
@@ -21,7 +21,7 @@
    "test": "jest"
  },
  "devDependencies": {
-    "@repo/eslint-config": "workspace:*",
+    "@internal/eslint-config": "workspace:*",
    "@stripe/ui-extension-tools": "^0.0.1",
    "eslint": "^9.39.0"
  }
@@ -1 +1,2 @@
-export const API_GENERATE_URL = "http://localhost:3001/api/generate";
+export const API_GENERATE_URL =
+  "http://stripe-api-demo.json-render.localhost:1355/api/generate";
@@ -1,5 +1,5 @@
 import { defineCatalog } from "@json-render/core";
-import { schema } from "@json-render/react";
+import { schema } from "@json-render/react/schema";
 import { z } from "zod";

 /**
@@ -27,7 +27,7 @@ export interface StripeRendererProps {
  /** Function to update data */
  setData?: SetState;
  /** Callback when data changes */
-  onStateChange?: (path: string, value: unknown) => void;
+  onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void;
  /** Whether the spec is currently loading/streaming */
  loading?: boolean;
 }
@@ -20,6 +20,7 @@
    "test": "vitest run",
    "test:watch": "vitest",
    "test:coverage": "vitest run --coverage",
+    "test:e2e": "pnpm --filter e2e-tests test",
    "prepare": "husky",
    "changeset": "changeset",
    "ci:version": "changeset version && pnpm install --no-frozen-lockfile",
@@ -1,5 +1,48 @@
 # @json-render/codegen

+## 0.9.0
+
+### Minor Changes
+
+- 1d755c1: External state store, store adapters, and bug fixes.
+
+  ### New: External State Store
+
+  The `StateStore` interface lets you plug in your own state management (Redux, Zustand, Jotai, XState, etc.) instead of the built-in internal store. Pass a `store` prop to `StateProvider`, `JSONUIProvider`, or `createRenderer` for controlled mode.
+  - Added `StateStore` interface and `createStateStore()` factory to `@json-render/core`
+  - `StateProvider`, `JSONUIProvider`, and `createRenderer` now accept an optional `store` prop for controlled mode
+  - When `store` is provided, it becomes the single source of truth (`initialState`/`onStateChange` are ignored)
+  - When `store` is omitted, everything works exactly as before (fully backward compatible)
+  - Applied across all platform packages: react, react-native, react-pdf
+  - Store utilities (`createStoreAdapter`, `immutableSetByPath`, `flattenToPointers`) available via `@json-render/core/store-utils` for building custom adapters
+
+  ### New: Store Adapter Packages
+  - `@json-render/zustand` — Zustand adapter for `StateStore`
+  - `@json-render/redux` — Redux / Redux Toolkit adapter for `StateStore`
+  - `@json-render/jotai` — Jotai adapter for `StateStore`
+
+  ### Changed: `onStateChange` signature updated (breaking)
+
+  The `onStateChange` callback now receives a single array of changed entries instead of being called once per path:
+
+  ```ts
+  // Before
+  onStateChange?: (path: string, value: unknown) => void
+
+  // After
+  onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void
+  ```
+
+  ### Fixed
+  - Fix schema import to use server-safe `@json-render/react/schema` subpath, avoiding `createContext` crashes in Next.js App Router API routes
+  - Fix chaining actions in `@json-render/react`, `@json-render/react-native`, and `@json-render/react-pdf`
+  - Fix safely resolving inner type for Zod arrays in core schema
+
+### Patch Changes
+
+- Updated dependencies [1d755c1]
+  - @json-render/core@0.9.0
+
 ## 0.8.0

 ### Patch Changes
@@ -1,6 +1,6 @@
 {
  "name": "@json-render/codegen",
-  "version": "0.8.0",
+  "version": "0.9.0",
  "license": "Apache-2.0",
  "description": "Utilities for generating code from json-render UI trees",
  "keywords": [
@@ -44,7 +44,7 @@
    "@json-render/core": "workspace:*"
  },
  "devDependencies": {
-    "@repo/typescript-config": "workspace:*",
+    "@internal/typescript-config": "workspace:*",
    "tsup": "^8.0.2",
    "typescript": "^5.4.5"
  }
@@ -1,5 +1,5 @@
 {
-  "extends": "@repo/typescript-config/base.json",
+  "extends": "@internal/typescript-config/base.json",
  "compilerOptions": {
    "outDir": "dist",
    "rootDir": "src"
@@ -1,5 +1,43 @@
 # @json-render/core

+## 0.9.0
+
+### Minor Changes
+
+- 1d755c1: External state store, store adapters, and bug fixes.
+
+  ### New: External State Store
+
+  The `StateStore` interface lets you plug in your own state management (Redux, Zustand, Jotai, XState, etc.) instead of the built-in internal store. Pass a `store` prop to `StateProvider`, `JSONUIProvider`, or `createRenderer` for controlled mode.
+  - Added `StateStore` interface and `createStateStore()` factory to `@json-render/core`
+  - `StateProvider`, `JSONUIProvider`, and `createRenderer` now accept an optional `store` prop for controlled mode
+  - When `store` is provided, it becomes the single source of truth (`initialState`/`onStateChange` are ignored)
+  - When `store` is omitted, everything works exactly as before (fully backward compatible)
+  - Applied across all platform packages: react, react-native, react-pdf
+  - Store utilities (`createStoreAdapter`, `immutableSetByPath`, `flattenToPointers`) available via `@json-render/core/store-utils` for building custom adapters
+
+  ### New: Store Adapter Packages
+  - `@json-render/zustand` — Zustand adapter for `StateStore`
+  - `@json-render/redux` — Redux / Redux Toolkit adapter for `StateStore`
+  - `@json-render/jotai` — Jotai adapter for `StateStore`
+
+  ### Changed: `onStateChange` signature updated (breaking)
+
+  The `onStateChange` callback now receives a single array of changed entries instead of being called once per path:
+
+  ```ts
+  // Before
+  onStateChange?: (path: string, value: unknown) => void
+
+  // After
+  onStateChange?: (changes: Array<{ path: string; value: unknown }>) => void
+  ```
+
+  ### Fixed
+  - Fix schema import to use server-safe `@json-render/react/schema` subpath, avoiding `createContext` crashes in Next.js App Router API routes
+  - Fix chaining actions in `@json-render/react`, `@json-render/react-native`, and `@json-render/react-pdf`
+  - Fix safely resolving inner type for Zod arrays in core schema
+
 ## 0.8.0

 ### Minor Changes
@@ -221,6 +221,63 @@ Schema options:

 The transform splits text blocks around spec data by emitting `text-end`/`text-start` pairs, ensuring the AI SDK creates separate text parts and preserving correct interleaving of prose and UI in `message.parts`.

+### State Store
+
+| Export | Purpose |
+|--------|---------|
+| `createStateStore(initialState?)` | Create a framework-agnostic in-memory `StateStore` |
+| `StateStore` | Interface for plugging in external state management (Redux, Zustand, XState, etc.) |
+| `StateModel` | State model type (`Record<string, unknown>`) |
+
+The `StateStore` interface allows renderers to use external state management instead of the built-in internal store:
+
+```typescript
+import { createStateStore, type StateStore } from "@json-render/core";
+
+// Simple in-memory store
+const store = createStateStore({ count: 0 });
+
+store.get("/count");          // 0
+store.set("/count", 1);       // updates and notifies subscribers
+store.getSnapshot();          // { count: 1 }
+
+// Subscribe to changes (compatible with React's useSyncExternalStore)
+const unsubscribe = store.subscribe(() => {
+  console.log("state changed:", store.getSnapshot());
+});
+```
+
+Pass the store to `StateProvider` in any renderer package (`@json-render/react`, `@json-render/react-native`, `@json-render/react-pdf`) for controlled mode.
+
+### Store Utilities (for adapter authors)
+
+Available via `@json-render/core/store-utils`:
+
+| Export | Purpose |
+|--------|---------|
+| `createStoreAdapter(config)` | Build a full `StateStore` from a minimal `{ getSnapshot, setSnapshot, subscribe }` config |
+| `immutableSetByPath(root, path, value)` | Immutably set a value at a JSON Pointer path with structural sharing |
+| `flattenToPointers(obj)` | Flatten a nested object into JSON Pointer keyed entries |
+| `StoreAdapterConfig` | Config type for `createStoreAdapter` |
+
+```typescript
+import { createStoreAdapter, immutableSetByPath, flattenToPointers } from "@json-render/core/store-utils";
+```
+
+`createStoreAdapter` handles `get`, `set` (with no-op detection), batched `update`, `getSnapshot`, `getServerSnapshot`, and `subscribe` -- adapter authors only need to supply the snapshot source, write API, and subscribe mechanism:
+
+```typescript
+import { createStoreAdapter } from "@json-render/core/store-utils";
+
+const store = createStoreAdapter({
+  getSnapshot: () => myLib.getState(),
+  setSnapshot: (next) => myLib.setState(next),
+  subscribe: (listener) => myLib.subscribe(listener),
+});
+```
+
+The official adapter packages (`@json-render/redux`, `@json-render/zustand`, `@json-render/jotai`) are all built on top of `createStoreAdapter`.
+
 ### Types

 | Export | Purpose |
@@ -1,6 +1,6 @@
 {
  "name": "@json-render/core",
-  "version": "0.8.0",
+  "version": "0.9.0",
  "license": "Apache-2.0",
  "description": "JSON becomes real things. Define your catalog, register your components, let AI generate.",
  "keywords": [
@@ -34,6 +34,11 @@
      "types": "./dist/index.d.ts",
      "import": "./dist/index.mjs",
      "require": "./dist/index.js"
+    },
+    "./store-utils": {
+      "types": "./dist/store-utils.d.ts",
+      "import": "./dist/store-utils.mjs",
+      "require": "./dist/store-utils.js"
    }
  },
  "files": [
@@ -48,7 +53,7 @@
    "zod": "^4.0.0"
  },
  "devDependencies": {
-    "@repo/typescript-config": "workspace:*",
+    "@internal/typescript-config": "workspace:*",
    "tsup": "^8.0.2",
    "typescript": "^5.4.5"
  },
@@ -0,0 +1,9 @@
+// Minimal process.env typing for dev-only warnings.
+// Uses a namespaced interface so it merges cleanly with @types/node if present.
+declare namespace NodeJS {
+  interface ProcessEnv {
+    readonly NODE_ENV?: string;
+  }
+}
+
+declare const process: { readonly env: NodeJS.ProcessEnv };
@@ -15,6 +15,7 @@ export type {
  AndCondition,
  OrCondition,
  StateModel,
+  StateStore,
  ComponentSchema,
  ValidationMode,
  PatchOp,
@@ -57,6 +58,10 @@ export {
  SPEC_DATA_PART_TYPE,
 } from "./types";

+// State Store
+export type { StoreAdapterConfig } from "./state-store";
+export { createStateStore } from "./state-store";
+
 // Visibility
 export type { VisibilityContext } from "./visibility";

@@ -169,7 +169,11 @@ describe("catalog.prompt", () => {
    const catalog = defineCatalog(testSchema, {
      components: {
        Card: {
-          props: z.object({ title: z.string() }),
+          props: z.object({
+            title: z.string(),
+            names: z.array(z.string()),
+            users: z.array(z.object({ name: z.string(), age: z.number() })),
+          }),
          description: "A card container",
          slots: ["default"],
        },
@@ -180,6 +184,9 @@ describe("catalog.prompt", () => {
    expect(prompt).toContain("AVAILABLE COMPONENTS");
    expect(prompt).toContain("Card");
    expect(prompt).toContain("A card container");
+    expect(prompt).toContain("title: string");
+    expect(prompt).toContain("names: Array<string>");
+    expect(prompt).toContain("users: Array<{ name: string, age: number }>");
  });

  it("includes AVAILABLE ACTIONS when present", () => {
@@ -1188,7 +1188,14 @@ function formatZodType(schema: z.ZodType): string {
    }
    case "ZodArray":
    case "array": {
-      const inner = (def.type as z.ZodType) ?? (def.element as z.ZodType);
+      // safely resolve inner type for Zod arrays
+      const inner = (
+        typeof def.element === "object"
+          ? def.element
+          : typeof def.type === "object"
+            ? def.type
+            : undefined
+      ) as z.ZodType | undefined;
      return inner ? `Array<${formatZodType(inner)}>` : "Array<unknown>";
    }
    case "ZodObject":
@@ -0,0 +1,213 @@
+import { describe, it, expect, vi } from "vitest";
+import { createStateStore, flattenToPointers } from "./state-store";
+
+describe("createStateStore", () => {
+  it("creates a store with initial state", () => {
+    const store = createStateStore({ name: "test" });
+    expect(store.getSnapshot()).toEqual({ name: "test" });
+    expect(store.get("/name")).toBe("test");
+  });
+
+  it("set notifies subscribers", () => {
+    const store = createStateStore({});
+    const listener = vi.fn();
+    store.subscribe(listener);
+
+    store.set("/x", 1);
+
+    expect(listener).toHaveBeenCalledTimes(1);
+    expect(store.get("/x")).toBe(1);
+  });
+
+  it("set skips notification when value is unchanged", () => {
+    const store = createStateStore({ x: 1 });
+    const listener = vi.fn();
+    store.subscribe(listener);
+
+    store.set("/x", 1);
+
+    expect(listener).not.toHaveBeenCalled();
+    expect(store.getSnapshot()).toEqual({ x: 1 });
+  });
+
+  it("update notifies subscribers once", () => {
+    const store = createStateStore({});
+    const listener = vi.fn();
+    store.subscribe(listener);
+
+    store.update({ "/a": 1, "/b": 2 });
+
+    expect(listener).toHaveBeenCalledTimes(1);
+    expect(store.get("/a")).toBe(1);
+    expect(store.get("/b")).toBe(2);
+  });
+
+  it("update skips notification when no values changed", () => {
+    const store = createStateStore({ a: 1, b: 2 });
+    const listener = vi.fn();
+    store.subscribe(listener);
+
+    store.update({ "/a": 1, "/b": 2 });
+
+    expect(listener).not.toHaveBeenCalled();
+  });
+
+  it("unsubscribe stops notifications", () => {
+    const store = createStateStore({});
+    const listener = vi.fn();
+    const unsubscribe = store.subscribe(listener);
+
+    store.set("/x", 1);
+    expect(listener).toHaveBeenCalledTimes(1);
+
+    unsubscribe();
+    store.set("/x", 2);
+    expect(listener).toHaveBeenCalledTimes(1);
+  });
+
+  it("getSnapshot returns a new reference after mutation", () => {
+    const store = createStateStore({ x: 1 });
+    const snap1 = store.getSnapshot();
+
+    store.set("/x", 2);
+    const snap2 = store.getSnapshot();
+
+    expect(snap1).not.toBe(snap2);
+    expect(snap2.x).toBe(2);
+  });
+
+  it("getSnapshot returns same reference when set is a no-op", () => {
+    const store = createStateStore({ x: 1 });
+    const snap1 = store.getSnapshot();
+
+    store.set("/x", 1);
+    const snap2 = store.getSnapshot();
+
+    expect(snap1).toBe(snap2);
+  });
+
+  it("set on nested path does not mutate previous snapshot", () => {
+    const store = createStateStore({ user: { name: "Alice", age: 30 } });
+    const snap1 = store.getSnapshot();
+
+    store.set("/user/name", "Bob");
+    const snap2 = store.getSnapshot();
+
+    expect(snap1.user).toEqual({ name: "Alice", age: 30 });
+    expect((snap2.user as Record<string, unknown>).name).toBe("Bob");
+    expect(snap1.user).not.toBe(snap2.user);
+  });
+
+  it("update on nested paths does not mutate previous snapshot", () => {
+    const store = createStateStore({
+      user: { name: "Alice" },
+      meta: { version: 1 },
+    });
+    const snap1 = store.getSnapshot();
+
+    store.update({ "/user/name": "Bob", "/meta/version": 2 });
+    const snap2 = store.getSnapshot();
+
+    expect((snap1.user as Record<string, unknown>).name).toBe("Alice");
+    expect((snap1.meta as Record<string, unknown>).version).toBe(1);
+    expect((snap2.user as Record<string, unknown>).name).toBe("Bob");
+    expect((snap2.meta as Record<string, unknown>).version).toBe(2);
+  });
+
+  it("set preserves structural sharing for untouched branches", () => {
+    const store = createStateStore({
+      a: { x: 1 },
+      b: { y: 2 },
+    });
+    const snap1 = store.getSnapshot();
+
+    store.set("/a/x", 99);
+    const snap2 = store.getSnapshot();
+
+    expect(snap2.b).toBe(snap1.b);
+    expect(snap2.a).not.toBe(snap1.a);
+  });
+
+  it("getServerSnapshot returns the same state as getSnapshot", () => {
+    const store = createStateStore({ x: 1 });
+    expect(store.getServerSnapshot!()).toBe(store.getSnapshot());
+
+    store.set("/x", 2);
+    expect(store.getServerSnapshot!()).toBe(store.getSnapshot());
+  });
+});
+
+describe("flattenToPointers", () => {
+  it("flattens top-level keys", () => {
+    expect(flattenToPointers({ a: 1, b: "hello" })).toEqual({
+      "/a": 1,
+      "/b": "hello",
+    });
+  });
+
+  it("flattens nested plain objects", () => {
+    expect(flattenToPointers({ user: { name: "Alice", age: 30 } })).toEqual({
+      "/user/name": "Alice",
+      "/user/age": 30,
+    });
+  });
+
+  it("preserves arrays as leaf values", () => {
+    expect(flattenToPointers({ items: [1, 2, 3] })).toEqual({
+      "/items": [1, 2, 3],
+    });
+  });
+
+  it("preserves null as a leaf value", () => {
+    expect(flattenToPointers({ x: null })).toEqual({ "/x": null });
+  });
+
+  it("handles deeply nested objects", () => {
+    expect(flattenToPointers({ a: { b: { c: 42 } } })).toEqual({
+      "/a/b/c": 42,
+    });
+  });
+
+  it("returns empty object for empty input", () => {
+    expect(flattenToPointers({})).toEqual({});
+  });
+
+  it("handles mixed nesting", () => {
+    expect(
+      flattenToPointers({
+        count: 1,
+        user: { name: "Alice" },
+        tags: ["a", "b"],
+      }),
+    ).toEqual({
+      "/count": 1,
+      "/user/name": "Alice",
+      "/tags": ["a", "b"],
+    });
+  });
+
+  it("stops recursion on circular references via seen set", () => {
+    const obj: Record<string, unknown> = { name: "root" };
+    obj.self = obj;
+
+    const result = flattenToPointers(obj);
+
+    expect(result["/name"]).toBe("root");
+    expect(result["/self/name"]).toBe("root");
+    expect(result["/self/self"]).toBe(obj);
+  });
+
+  it("caps recursion at depth limit", () => {
+    let current: Record<string, unknown> = { leaf: true };
+    for (let i = 0; i < 25; i++) {
+      current = { nested: current };
+    }
+
+    const result = flattenToPointers(current);
+
+    const keys = Object.keys(result);
+    expect(keys.length).toBe(1);
+    const key = keys[0]!;
+    expect(key.split("/").length).toBeLessThanOrEqual(22);
+  });
+});
@@ -0,0 +1,231 @@
+import {
+  getByPath,
+  parseJsonPointer,
+  type StateModel,
+  type StateStore,
+} from "./types";
+
+/**
+ * Immutably set a value at a JSON Pointer path using structural sharing.
+ * Only objects along the path are shallow-cloned; untouched branches keep
+ * their original references.
+ */
+export function immutableSetByPath(
+  root: StateModel,
+  path: string,
+  value: unknown,
+): StateModel {
+  const segments = parseJsonPointer(path);
+  if (segments.length === 0) return root;
+
+  const result = { ...root };
+  let current: Record<string, unknown> = result;
+
+  for (let i = 0; i < segments.length - 1; i++) {
+    const seg = segments[i]!;
+    const child = current[seg];
+    if (Array.isArray(child)) {
+      current[seg] = [...child];
+    } else if (child !== null && typeof child === "object") {
+      current[seg] = { ...(child as Record<string, unknown>) };
+    } else {
+      const nextSeg = segments[i + 1];
+      current[seg] = nextSeg !== undefined && /^\d+$/.test(nextSeg) ? [] : {};
+    }
+    current = current[seg] as Record<string, unknown>;
+  }
+
+  const lastSeg = segments[segments.length - 1]!;
+  if (Array.isArray(current)) {
+    if (lastSeg === "-") {
+      (current as unknown[]).push(value);
+    } else {
+      (current as unknown[])[parseInt(lastSeg, 10)] = value;
+    }
+  } else {
+    current[lastSeg] = value;
+  }
+
+  return result;
+}
+
+/**
+ * Create a simple in-memory {@link StateStore}.
+ *
+ * This is the default store used by `StateProvider` when no external store is
+ * provided. It mirrors the previous `useState`-based behaviour but is
+ * framework-agnostic so it can also be used in tests or non-React contexts.
+ */
+export function createStateStore(initialState: StateModel = {}): StateStore {
+  let state: StateModel = { ...initialState };
+  const listeners = new Set<() => void>();
+
+  function notify() {
+    for (const listener of listeners) {
+      listener();
+    }
+  }
+
+  return {
+    get(path: string): unknown {
+      return getByPath(state, path);
+    },
+
+    set(path: string, value: unknown): void {
+      if (getByPath(state, path) === value) return;
+      state = immutableSetByPath(state, path, value);
+      notify();
+    },
+
+    update(updates: Record<string, unknown>): void {
+      let changed = false;
+      let next = state;
+      for (const [path, value] of Object.entries(updates)) {
+        if (getByPath(next, path) !== value) {
+          next = immutableSetByPath(next, path, value);
+          changed = true;
+        }
+      }
+      if (!changed) return;
+      state = next;
+      notify();
+    },
+
+    getSnapshot(): StateModel {
+      return state;
+    },
+
+    getServerSnapshot(): StateModel {
+      return state;
+    },
+
+    subscribe(listener: () => void): () => void {
+      listeners.add(listener);
+      return () => {
+        listeners.delete(listener);
+      };
+    },
+  };
+}
+
+/**
+ * Configuration for {@link createStoreAdapter}. Adapter authors supply these
+ * three callbacks; everything else (get, set, update, no-op detection,
+ * getServerSnapshot) is handled by the returned {@link StateStore}.
+ */
+export interface StoreAdapterConfig {
+  /** Return the current state snapshot from the underlying store. */
+  getSnapshot: () => StateModel;
+  /** Write a new state snapshot to the underlying store. */
+  setSnapshot: (next: StateModel) => void;
+  /** Subscribe to changes in the underlying store. Return an unsubscribe fn. */
+  subscribe: (listener: () => void) => () => void;
+}
+
+/**
+ * Build a full {@link StateStore} from a minimal adapter config.
+ *
+ * Handles `get`, `set` (with no-op detection), `update` (batched, with no-op
+ * detection), `getSnapshot`, `getServerSnapshot`, and `subscribe` -- so each
+ * adapter only needs to wire its snapshot source, write API, and subscribe
+ * mechanism.
+ */
+export function createStoreAdapter(config: StoreAdapterConfig): StateStore {
+  return {
+    get(path: string): unknown {
+      return getByPath(config.getSnapshot(), path);
+    },
+
+    set(path: string, value: unknown): void {
+      const current = config.getSnapshot();
+      if (getByPath(current, path) === value) return;
+      config.setSnapshot(immutableSetByPath(current, path, value));
+    },
+
+    update(updates: Record<string, unknown>): void {
+      let next = config.getSnapshot();
+      let changed = false;
+      for (const [path, value] of Object.entries(updates)) {
+        if (getByPath(next, path) !== value) {
+          next = immutableSetByPath(next, path, value);
+          changed = true;
+        }
+      }
+      if (!changed) return;
+      config.setSnapshot(next);
+    },
+
+    getSnapshot: config.getSnapshot,
+
+    getServerSnapshot: config.getSnapshot,
+
+    subscribe: config.subscribe,
+  };
+}
+
+const MAX_FLATTEN_DEPTH = 20;
+
+/**
+ * Recursively flatten a plain object into a `Record<string, unknown>` keyed by
+ * JSON Pointer paths. Only leaf values (non-plain-object) appear in the output.
+ *
+ * Includes circular reference protection and a depth cap to prevent stack
+ * overflow on pathological inputs.
+ *
+ * ```ts
+ * flattenToPointers({ user: { name: "Alice" }, count: 1 })
+ * // => { "/user/name": "Alice", "/count": 1 }
+ * ```
+ */
+export function flattenToPointers(
+  obj: Record<string, unknown>,
+  prefix = "",
+  _depth = 0,
+  _seen?: Set<object>,
+  _warned?: { current: boolean },
+): Record<string, unknown> {
+  const seen = _seen ?? new Set<object>();
+  const warned = _warned ?? { current: false };
+  const result: Record<string, unknown> = {};
+  for (const [key, value] of Object.entries(obj)) {
+    const pointer = `${prefix}/${key}`;
+    if (
+      _depth < MAX_FLATTEN_DEPTH &&
+      value !== null &&
+      typeof value === "object" &&
+      !Array.isArray(value) &&
+      Object.getPrototypeOf(value) === Object.prototype &&
+      !seen.has(value)
+    ) {
+      seen.add(value);
+      Object.assign(
+        result,
+        flattenToPointers(
+          value as Record<string, unknown>,
+          pointer,
+          _depth + 1,
+          seen,
+          warned,
+        ),
+      );
+    } else {
+      if (
+        process.env.NODE_ENV !== "production" &&
+        !warned.current &&
+        _depth >= MAX_FLATTEN_DEPTH &&
+        value !== null &&
+        typeof value === "object" &&
+        !Array.isArray(value) &&
+        Object.getPrototypeOf(value) === Object.prototype &&
+        !seen.has(value as object)
+      ) {
+        warned.current = true;
+        console.warn(
+          `flattenToPointers: depth limit (${MAX_FLATTEN_DEPTH}) reached. Nested state beyond this depth will be treated as a leaf value.`,
+        );
+      }
+      result[pointer] = value;
+    }
+  }
+  return result;
+}
@@ -0,0 +1,6 @@
+export {
+  immutableSetByPath,
+  flattenToPointers,
+  createStoreAdapter,
+} from "./state-store";
+export type { StoreAdapterConfig } from "./state-store";
@@ -178,6 +178,36 @@ export interface Spec {
 */
 export type StateModel = Record<string, unknown>;

+/**
+ * An abstract store that owns state and notifies subscribers on change.
+ *
+ * Consumers can supply their own implementation (backed by Redux, Zustand,
+ * XState, etc.) or use the built-in {@link createStateStore} for a simple
+ * in-memory store.
+ */
+export interface StateStore {
+  /** Read a value by JSON Pointer path. */
+  get: (path: string) => unknown;
+  /**
+   * Write a value by JSON Pointer path and notify subscribers.
+   * Equality is checked by reference (`===`), not deep comparison.
+   * Callers must pass a new object/array reference for changes to be detected.
+   */
+  set: (path: string, value: unknown) => void;
+  /**
+   * Write multiple values at once and notify subscribers (single notification).
+   * Each value is compared by reference (`===`); only paths whose value
+   * actually changed are applied.
+   */
+  update: (updates: Record<string, unknown>) => void;
+  /** Return the full state object (used by `useSyncExternalStore`). */
+  getSnapshot: () => StateModel;
+  /** Optional server snapshot for SSR (passed to `useSyncExternalStore`). Falls back to `getSnapshot` when omitted. */
+  getServerSnapshot?: () => StateModel;
+  /** Register a listener that is called on every state change. Returns an unsubscribe function. */
+  subscribe: (listener: () => void) => () => void;
+}
+
 /**
 * Component schema definition using Zod
 */
@@ -236,7 +266,7 @@ function unescapeJsonPointer(token: string): string {
 /**
 * Parse a JSON Pointer path into unescaped segments.
 */
-function parseJsonPointer(path: string): string[] {
+export function parseJsonPointer(path: string): string[] {
  const raw = path.startsWith("/") ? path.slice(1).split("/") : path.split("/");
  return raw.map(unescapeJsonPointer);
 }
@@ -1,5 +1,5 @@
 {
-  "extends": "@repo/typescript-config/react-library.json",
+  "extends": "@internal/typescript-config/react-library.json",
  "compilerOptions": {
    "outDir": "dist",
    "rootDir": "src"
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Chris Tate	2b500343e2	docs: add v0.9.1 changelog entry	2026-02-24 06:20:41 -06:00
Chris Tate	a54e2f7ff3	add changeset for @internal/react-state install fix	2026-02-24 06:19:31 -06:00
Chris Tate	a191afdc89	fix @internal/react-state import	2026-02-24 06:17:44 -06:00
github-actions[bot]	c502d5517e	chore: version packages (#149 ) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>	2026-02-24 01:36:59 -06:00
Chris Tate	8740deb018	Update config.json (#148 )	2026-02-24 01:34:16 -06:00
Chris Tate	1d755c104a	prepare v0.9.0 (#147 )	2026-02-24 01:21:02 -06:00
Chris Tate	d904d45150	fix schema import to use server-safe subpath (#146 ) - `@json-render/react` barrel-imports React contexts that call `createContext`, which crashes in Next.js App Router API routes (RSC runtime strips `createContext`) - Updated all docs, READMEs, examples, and skills to import `schema` from `@json-render/react/schema` instead of `@json-render/react` - For combined imports, split into separate `schema` (subpath) and client API (main entry) lines Fixes #123	2026-02-24 00:55:33 -06:00
Chris Tate	a110c6e0ea	fix chaining actions (#144 ) * fix chaining actions * improvements	2026-02-24 00:40:40 -06:00
Juzisuan965	7de08ccdf7	fix: safely resolve inner type for Zod arrays (#140 )	2026-02-24 00:02:04 -06:00
Chris Tate	3201854481	external store adapter for state management (#139 ) * external store adapter for state management Introduces a `StateStore` interface that lets users plug in their own state management (Redux, Zustand, XState, etc.) instead of being locked into the internal `useState`-based store. - Added `StateStore` interface and `createStateStore()` factory to `@json-render/core` - `StateProvider`, `JSONUIProvider`, and `createRenderer` now accept an optional `store` prop for controlled mode - When `store` is provided, it becomes the single source of truth (`initialState`/`onStateChange` are ignored) - When `store` is omitted, everything works exactly as before (fully backward compatible) - Applied across all platform packages: react, react-native, react-pdf * improvements * update docs * improvements * fixes * fix CI * add store adapters * fixes * fixes * fixes * fixes * e2e tests * improvements * fixes * fixes * fixes * fixes * update lockfile for widened react peer deps * fix dashboard build	2026-02-23 23:12:57 -06:00
Chris Tate	64c889221e	fix playground og (#138 )	2026-02-22 16:10:31 -06:00
Chris Tate	49838fa353	update og font (#137 )	2026-02-22 16:02:07 -06:00
Chris Tate	fa47b08869	update header font (#136 )	2026-02-22 15:51:54 -06:00
Chris Tate	5ccb109c08	use visual-json (#135 ) * use visual-json * fix lint	2026-02-22 15:42:29 -06:00
Chris Tate	62932f6516	fix gitignore (#134 )	2026-02-22 15:20:33 -06:00
Chris Tate	ee28d548c1	use portless (#133 )	2026-02-22 15:15:17 -06:00
Chris Tate	0e6f2afc6c	fix og (#128 )	2026-02-20 02:41:16 -06:00
Chris Tate	bccedc2459	add docs (#127 )	2026-02-20 02:30:33 -06:00