Migrate Dialog to Zod props

Centralises all Dialog prop interfaces and schemas in dialog.props.ts.
Adds DialogRootPropsSchema, DialogContentPropsSchema, and DialogMeta for
AI/MCP discovery. Sub-components now import types from the shared file.

packages/core/src/components/dialog/dialog-close.tsx

@@ -1,13 +1,11 @@
 // packages/core/src/components/dialog/dialog-close.tsx
-import type { Component, JSX } from "solid-js";
+import type { JSX } from "solid-js";
 import { mergeProps, splitProps } from "solid-js";
 import { Dynamic } from "solid-js/web";
 import { useInternalDialogContext } from "./dialog-context";
+import type { DialogCloseProps } from "./dialog.props";
 
-export interface DialogCloseProps extends JSX.HTMLAttributes<HTMLButtonElement> {
-  as?: string | Component;
-  children?: JSX.Element;
-}
+export type { DialogCloseProps };
 
 /** Closes the dialog when clicked. Supports polymorphic rendering via `as`. */
 export function DialogClose(props: DialogCloseProps): JSX.Element {

packages/core/src/components/dialog/dialog-content.tsx

@@ -5,20 +5,9 @@ import { createDismiss } from "../../utilities/dismiss/create-dismiss";
 import { createFocusTrap } from "../../utilities/focus-trap/create-focus-trap";
 import { createScrollLock } from "../../utilities/scroll-lock/create-scroll-lock";
 import { useInternalDialogContext } from "./dialog-context";
+import type { DialogContentProps } from "./dialog.props";
 
-export interface DialogContentProps extends JSX.DialogHtmlAttributes<HTMLDialogElement> {
-  /**
-   * Called when auto-focus fires on open. Call event.preventDefault() to prevent default.
-   */
-  onOpenAutoFocus?: (event: Event) => void;
-  /**
-   * Called when auto-focus fires on close. Call event.preventDefault() to prevent default.
-   */
-  onCloseAutoFocus?: (event: Event) => void;
-  /** Keep mounted even when closed (for animation control). */
-  forceMount?: boolean;
-  children?: JSX.Element;
-}
+export type { DialogContentProps };
 
 /**
  * Dialog content panel. Manages focus trap, scroll lock, and dismiss.

packages/core/src/components/dialog/dialog-description.tsx

@@ -2,10 +2,9 @@
 import type { JSX } from "solid-js";
 import { createUniqueId, onCleanup, onMount, splitProps } from "solid-js";
 import { useInternalDialogContext } from "./dialog-context";
+import type { DialogDescriptionProps } from "./dialog.props";
 
-export interface DialogDescriptionProps extends JSX.HTMLAttributes<HTMLParagraphElement> {
-  children?: JSX.Element;
-}
+export type { DialogDescriptionProps };
 
 /** Renders as p and registers its ID for aria-describedby on Dialog.Content. */
 export function DialogDescription(props: DialogDescriptionProps): JSX.Element {

packages/core/src/components/dialog/dialog-overlay.tsx

@@ -2,10 +2,9 @@
 import type { JSX } from "solid-js";
 import { Show, splitProps } from "solid-js";
 import { useInternalDialogContext } from "./dialog-context";
+import type { DialogOverlayProps } from "./dialog.props";
 
-export interface DialogOverlayProps extends JSX.HTMLAttributes<HTMLDivElement> {
-  forceMount?: boolean;
-}
+export type { DialogOverlayProps };
 
 /** Semi-transparent overlay rendered behind dialog content. */
 export function DialogOverlay(props: DialogOverlayProps): JSX.Element {

packages/core/src/components/dialog/dialog-portal.tsx

@@ -1,12 +1,9 @@
 // packages/core/src/components/dialog/dialog-portal.tsx
 import type { JSX } from "solid-js";
 import { Portal } from "../../utilities/portal/portal";
+import type { DialogPortalProps } from "./dialog.props";
 
-export interface DialogPortalProps {
-  /** Override the portal target container. */
-  target?: Element | null;
-  children: JSX.Element;
-}
+export type { DialogPortalProps };
 
 /** Renders children into a portal (defaults to document.body). */
 export function DialogPortal(props: DialogPortalProps): JSX.Element {

packages/core/src/components/dialog/dialog-root.tsx

@@ -1,6 +1,6 @@
 // packages/core/src/components/dialog/dialog-root.tsx
-import type { JSX } from "solid-js";
 import { createUniqueId } from "solid-js";
+import type { JSX } from "solid-js";
 import {
   type CreateDisclosureStateOptions,
   createDisclosureState,
@@ -11,21 +11,9 @@ import {
   InternalDialogContextProvider,
   type InternalDialogContextValue,
 } from "./dialog-context";
+import type { DialogRootProps } from "./dialog.props";
 
-export interface DialogRootProps {
-  /** Controlled open state. */
-  open?: boolean;
-  /** Default open state (uncontrolled). */
-  defaultOpen?: boolean;
-  /** Called when open state should change. */
-  onOpenChange?: (open: boolean) => void;
-  /**
-   * Whether the dialog blocks outside interaction and traps focus.
-   * @default true
-   */
-  modal?: boolean;
-  children: JSX.Element;
-}
+export type { DialogRootProps };
 
 /**
  * Root component. Manages open state, provides context to all Dialog parts.

packages/core/src/components/dialog/dialog-title.tsx

@@ -2,10 +2,9 @@
 import type { JSX } from "solid-js";
 import { createUniqueId, onCleanup, onMount, splitProps } from "solid-js";
 import { useInternalDialogContext } from "./dialog-context";
+import type { DialogTitleProps } from "./dialog.props";
 
-export interface DialogTitleProps extends JSX.HTMLAttributes<HTMLHeadingElement> {
-  children?: JSX.Element;
-}
+export type { DialogTitleProps };
 
 /** Renders as h2 and registers its ID for aria-labelledby on Dialog.Content. */
 export function DialogTitle(props: DialogTitleProps): JSX.Element {

packages/core/src/components/dialog/dialog-trigger.tsx

@@ -1,15 +1,11 @@
 // packages/core/src/components/dialog/dialog-trigger.tsx
-import type { Component, JSX } from "solid-js";
+import type { JSX } from "solid-js";
 import { mergeProps, splitProps } from "solid-js";
 import { Dynamic } from "solid-js/web";
 import { useInternalDialogContext } from "./dialog-context";
+import type { DialogTriggerProps } from "./dialog.props";
 
-export interface DialogTriggerProps
-  extends Omit<JSX.HTMLAttributes<HTMLButtonElement>, "children"> {
-  /** Render as a different element or component. */
-  as?: string | Component;
-  children?: JSX.Element | ((props: JSX.HTMLAttributes<HTMLElement>) => JSX.Element);
-}
+export type { DialogTriggerProps };
 
 /** Opens the dialog when clicked. Supports polymorphic rendering via `as` and children-as-function. */
 export function DialogTrigger(props: DialogTriggerProps): JSX.Element {

packages/core/src/components/dialog/dialog.props.ts

@@ -0,0 +1,62 @@
+// packages/core/src/components/dialog/dialog.props.ts
+import { z } from "zod/v4";
+import type { Component, JSX } from "solid-js";
+import type { ComponentMeta } from "../../meta";
+
+export const DialogRootPropsSchema = z.object({
+  open: z.boolean().optional().describe("Controlled open state"),
+  defaultOpen: z.boolean().optional().describe("Initial open state (uncontrolled)"),
+  modal: z.boolean().optional().describe("Whether to trap focus and add backdrop. Defaults to true"),
+});
+
+export interface DialogRootProps extends z.infer<typeof DialogRootPropsSchema> {
+  onOpenChange?: (open: boolean) => void;
+  children: JSX.Element;
+}
+
+export const DialogContentPropsSchema = z.object({
+  forceMount: z.boolean().optional().describe("Force mount content even when closed, useful for animations"),
+});
+
+export interface DialogContentProps
+  extends z.infer<typeof DialogContentPropsSchema>,
+    Omit<JSX.DialogHtmlAttributes<HTMLDialogElement>, keyof z.infer<typeof DialogContentPropsSchema>> {
+  onOpenAutoFocus?: (event: Event) => void;
+  onCloseAutoFocus?: (event: Event) => void;
+  children?: JSX.Element;
+}
+
+export interface DialogTriggerProps extends Omit<JSX.HTMLAttributes<HTMLButtonElement>, "children"> {
+  as?: string | Component;
+  children?: JSX.Element | ((props: JSX.HTMLAttributes<HTMLElement>) => JSX.Element);
+}
+
+export interface DialogTitleProps extends JSX.HTMLAttributes<HTMLHeadingElement> {
+  children?: JSX.Element;
+}
+
+export interface DialogDescriptionProps extends JSX.HTMLAttributes<HTMLParagraphElement> {
+  children?: JSX.Element;
+}
+
+export interface DialogCloseProps extends JSX.HTMLAttributes<HTMLButtonElement> {
+  as?: string | Component;
+  children?: JSX.Element;
+}
+
+export interface DialogOverlayProps extends JSX.HTMLAttributes<HTMLDivElement> {
+  forceMount?: boolean;
+}
+
+export interface DialogPortalProps {
+  /** Override the portal target container. */
+  target?: Element | null;
+  children: JSX.Element;
+}
+
+export const DialogMeta: ComponentMeta = {
+  name: "Dialog",
+  description: "Modal overlay that interrupts the user with important content requiring acknowledgment",
+  parts: ["Root", "Trigger", "Portal", "Overlay", "Content", "Title", "Description", "Close"] as const,
+  requiredParts: ["Root", "Content", "Title"] as const,
+} as const;

packages/core/src/components/dialog/index.ts

@@ -1,4 +1,3 @@
-// packages/core/src/components/dialog/index.ts
 import { DialogClose } from "./dialog-close";
 import { DialogContent } from "./dialog-content";
 import { useDialogContext } from "./dialog-context";
@@ -8,23 +7,6 @@ import { DialogPortal } from "./dialog-portal";
 import { DialogRoot } from "./dialog-root";
 import { DialogTitle } from "./dialog-title";
 import { DialogTrigger } from "./dialog-trigger";
-
-export const Dialog = Object.assign(DialogRoot, {
-  Content: DialogContent,
-  Title: DialogTitle,
-  Description: DialogDescription,
-  Trigger: DialogTrigger,
-  Close: DialogClose,
-  Portal: DialogPortal,
-  Overlay: DialogOverlay,
-  useContext: useDialogContext,
-});
-
-export type { DialogRootProps } from "./dialog-root";
-export type { DialogContentProps } from "./dialog-content";
-export type { DialogTitleProps } from "./dialog-title";
-export type { DialogDescriptionProps } from "./dialog-description";
-export type { DialogTriggerProps } from "./dialog-trigger";
-export type { DialogCloseProps } from "./dialog-close";
-export type { DialogPortalProps } from "./dialog-portal";
-export type { DialogOverlayProps } from "./dialog-overlay";
+export { DialogRootPropsSchema, DialogContentPropsSchema, DialogMeta } from "./dialog.props";
+export type { DialogRootProps, DialogContentProps, DialogTitleProps, DialogDescriptionProps, DialogTriggerProps, DialogCloseProps, DialogPortalProps, DialogOverlayProps } from "./dialog.props";
+export const Dialog = Object.assign(DialogRoot, { Content: DialogContent, Title: DialogTitle, Description: DialogDescription, Trigger: DialogTrigger, Close: DialogClose, Portal: DialogPortal, Overlay: DialogOverlay, useContext: useDialogContext });

packages/core/tests/components/dialog/dialog-props.test.ts

@@ -0,0 +1,44 @@
+import { describe, expect, it } from "vitest";
+import {
+  DialogRootPropsSchema,
+  DialogContentPropsSchema,
+  DialogMeta,
+} from "../../../src/components/dialog/dialog.props";
+
+describe("Dialog Zod schemas", () => {
+  it("validates correct root props", () => {
+    const result = DialogRootPropsSchema.safeParse({ open: true, modal: false });
+    expect(result.success).toBe(true);
+  });
+
+  it("validates empty root props (all optional)", () => {
+    const result = DialogRootPropsSchema.safeParse({});
+    expect(result.success).toBe(true);
+  });
+
+  it("rejects invalid root props", () => {
+    const result = DialogRootPropsSchema.safeParse({ open: "yes" });
+    expect(result.success).toBe(false);
+  });
+
+  it("validates content props", () => {
+    const result = DialogContentPropsSchema.safeParse({ forceMount: true });
+    expect(result.success).toBe(true);
+  });
+
+  it("exposes meta with required parts", () => {
+    expect(DialogMeta.name).toBe("Dialog");
+    expect(DialogMeta.parts).toContain("Root");
+    expect(DialogMeta.parts).toContain("Content");
+    expect(DialogMeta.parts).toContain("Title");
+    expect(DialogMeta.requiredParts).toContain("Root");
+    expect(DialogMeta.requiredParts).toContain("Content");
+    expect(DialogMeta.requiredParts).toContain("Title");
+  });
+
+  it("schema has descriptions on all fields", () => {
+    const shape = DialogRootPropsSchema.shape;
+    expect(shape.open.description).toBeDefined();
+    expect(shape.modal.description).toBeDefined();
+  });
+});