chore(ui-conversation): add lexical dependencies and jsdom spike

THIRD_PARTY_NOTICES.md

@@ -38,6 +38,10 @@ External packages that a workspace package resolves at runtime. The tier covers
 | [`@earendil-works/pi-ai`](https://github.com/earendil-works/pi) | MIT |
 | [`@joplin/turndown-plugin-gfm`](https://github.com/laurent22/joplin-turndown-plugin-gfm) | MIT |
 | [`@jridgewell/gen-mapping`](https://github.com/jridgewell/sourcemaps) | MIT |
+| [`@lexical/history`](https://github.com/facebook/lexical) | MIT |
+| [`@lexical/plain-text`](https://github.com/facebook/lexical) | MIT |
+| [`@lexical/text`](https://github.com/facebook/lexical) | MIT |
+| [`@lexical/utils`](https://github.com/facebook/lexical) | MIT |
 | [`@modelcontextprotocol/sdk`](https://github.com/modelcontextprotocol/typescript-sdk) | MIT |
 | [`@openai/codex`](https://github.com/openai/codex) | Apache-2.0 |
 | [`@opentelemetry/api`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
@@ -63,6 +67,7 @@ External packages that a workspace package resolves at runtime. The tier covers
 | [`js-yaml`](https://github.com/nodeca/js-yaml) | MIT |
 | [`katex`](https://github.com/KaTeX/KaTeX) | MIT |
 | [`koffi`](https://github.com/Koromix/koffi) | MIT |
+| [`lexical`](https://github.com/facebook/lexical) | MIT |
 | [`mdast-util-from-markdown`](https://github.com/syntax-tree/mdast-util-from-markdown) | MIT |
 | [`mdast-util-gfm`](https://github.com/syntax-tree/mdast-util-gfm) | MIT |
 | [`mdast-util-math`](https://github.com/syntax-tree/mdast-util-math) | MIT |
@@ -122,6 +127,7 @@ External packages **directly declared** only by repository tooling, test infrast
 | Package | License |
 | --- | --- |
 | [`@braintree/sanitize-url`](https://github.com/braintree/sanitize-url) | MIT |
+| [`@lexical/headless`](https://github.com/facebook/lexical) | MIT |
 | [`@modelcontextprotocol/server-everything`](https://github.com/modelcontextprotocol/servers) | MIT / Apache-2.0 |
 | [`@modelcontextprotocol/server-filesystem`](https://github.com/modelcontextprotocol/servers) | MIT / Apache-2.0 |
 | [`@stylistic/eslint-plugin`](https://github.com/eslint-stylistic/eslint-stylistic) | MIT |

packages/client/ui-conversation/package.json

@@ -49,7 +49,12 @@
   "license": "MIT",
   "dependencies": {
     "clsx": "^2.0.0",
-    "@deepseek-ai/schemastery": "workspace:^"
+    "@deepseek-ai/schemastery": "workspace:^",
+    "@lexical/history": "^0.49.0",
+    "@lexical/plain-text": "^0.49.0",
+    "@lexical/text": "^0.49.0",
+    "@lexical/utils": "^0.49.0",
+    "lexical": "^0.49.0"
   },
   "peerDependencies": {
     "@deepseek-ai/cordis": "workspace:^",
@@ -105,7 +110,10 @@
     "@deepseek-ai/dsh-tools": "workspace:^",
     "@types/react": "~18.3.1",
     "react": "^18.2.0",
-    "@deepseek-ai/dsh-settings": "workspace:^"
+    "@deepseek-ai/dsh-settings": "workspace:^",
+    "@lexical/headless": "^0.49.0",
+    "react-dom": "^18.2.0",
+    "@types/react-dom": "~18.3.0"
   },
   "files": [
     "lib/index.js",

packages/client/ui-conversation/tests/lexical-spike.client.spec.tsx

@@ -0,0 +1,199 @@
+// @vitest-environment jsdom
+/**
+ * SPIKE (Phase 0): validates the jsdom driving model for the Lexical composer
+ * before the real implementation lands. Answers three questions: (1) can a
+ * shell-owned headful editor render into jsdom and accept update-driven
+ * edits; (2) can synthetic beforeinput/keyboard events drive Lexical in
+ * jsdom, or must component tests drive through the command layer; (3) do
+ * DecoratorNode portals render and keep DOM identity when text is inserted
+ * before them. Deleted/absorbed into the real suites at the end of Phase 4.
+ */
+import { describe, expect, it } from 'vitest'
+import * as React from 'react'
+import { createPortal } from 'react-dom'
+import { act, render } from '@testing-library/react'
+import type { EditorConfig, LexicalEditor, NodeKey, SerializedLexicalNode } from 'lexical'
+import {
+  $createParagraphNode, $createTextNode, $getRoot, $getSelection, $isRangeSelection,
+  createEditor, DecoratorNode,
+} from 'lexical'
+import { registerPlainText } from '@lexical/plain-text'
+
+/** Minimal inline atomic chip for the spike (real node lands in Phase 1). */
+class SpikeChipNode extends DecoratorNode<React.JSX.Element> {
+  static getType(): string {
+    return 'spike-chip'
+  }
+
+  static clone(node: SpikeChipNode): SpikeChipNode {
+    return new SpikeChipNode(node.__key)
+  }
+
+  static importJSON(): SpikeChipNode {
+    return new SpikeChipNode()
+  }
+
+  exportJSON(): SerializedLexicalNode {
+    return { type: 'spike-chip', version: 1 }
+  }
+
+  createDOM(_config: EditorConfig): HTMLElement {
+    const el = document.createElement('span')
+    el.dataset['spikeChip'] = 'true'
+    return el
+  }
+
+  updateDOM(): boolean {
+    return false
+  }
+
+  isInline(): boolean {
+    return true
+  }
+
+  getTextContent(): string {
+    return '/chip-clipboard'
+  }
+
+  decorate(): React.JSX.Element {
+    return <button type="button" data-chip-button>chip-label</button>
+  }
+}
+
+function makeEditor(): { editor: LexicalEditor; rootEl: HTMLDivElement } {
+  const editor = createEditor({
+    namespace: 'spike',
+    nodes: [SpikeChipNode],
+    onError: (error) => { throw error },
+  })
+  const rootEl = document.createElement('div')
+  rootEl.contentEditable = 'true'
+  document.body.appendChild(rootEl)
+  editor.setRootElement(rootEl)
+  registerPlainText(editor)
+  return { editor, rootEl }
+}
+
+describe('lexical jsdom spike', () => {
+  it('renders update-driven text into the DOM and reports projections', async () => {
+    const { editor, rootEl } = makeEditor()
+    editor.update(() => {
+      const p = $createParagraphNode()
+      p.append($createTextNode('hello world'))
+      $getRoot().append(p)
+    }, { discrete: true })
+    await Promise.resolve() // reconciliation is sync inside update; flush microtasks anyway
+    expect(rootEl.textContent).toBe('hello world')
+    const text = editor.getEditorState().read(() => $getRoot().getTextContent())
+    expect(text).toBe('hello world')
+  })
+
+  it('answers whether synthetic beforeinput insertText drives Lexical under jsdom', () => {
+    const { editor, rootEl } = makeEditor()
+    editor.update(() => {
+      const p = $createParagraphNode()
+      p.append($createTextNode('ab'))
+      $getRoot().append(p)
+    }, { discrete: true })
+    // Place a real DOM selection at the end of the text node.
+    const walker = document.createTreeWalker(rootEl, NodeFilter.SHOW_TEXT)
+    const textDom = walker.nextNode()
+    const selectable = textDom !== null && textDom !== undefined
+    if (selectable) {
+      const sel = document.getSelection()
+      const range = document.createRange()
+      range.setStart(textDom, 2)
+      range.collapse(true)
+      sel?.removeAllRanges()
+      sel?.addRange(range)
+      document.dispatchEvent(new Event('selectionchange'))
+    }
+    const event = new InputEvent('beforeinput', {
+      inputType: 'insertText', data: 'X', bubbles: true, cancelable: true,
+    })
+    rootEl.dispatchEvent(event)
+    const after = editor.getEditorState().read(() => $getRoot().getTextContent())
+    // Record the verdict either way — the spike's job is the answer, not a pass.
+    console.log(`SPIKE beforeinput verdict: selectable=${selectable} after=${JSON.stringify(after)}`)
+    expect(typeof after).toBe('string')
+  })
+
+  it('keeps decorator DOM identity when text is inserted before the chip', async () => {
+    const { editor, rootEl } = makeEditor()
+    // Decorator portal loop (what the real DecoratorPortals component will do).
+    function Portals(): React.JSX.Element {
+      const [decorators, setDecorators] = React.useState<Record<NodeKey, React.JSX.Element>>(
+        () => editor.getDecorators<React.JSX.Element>(),
+      )
+      React.useLayoutEffect(
+        () => editor.registerDecoratorListener<React.JSX.Element>((next) => { setDecorators(next) }),
+        [],
+      )
+      return (
+        <>
+          {Object.entries(decorators).map(([key, jsx]) => {
+            const el = editor.getElementByKey(key)
+            return el === null ? null : createPortal(jsx, el, key)
+          })}
+        </>
+      )
+    }
+    render(<Portals />)
+
+    let chipKey = ''
+    act(() => {
+      editor.update(() => {
+        const p = $createParagraphNode()
+        const chip = new SpikeChipNode()
+        chipKey = chip.getKey()
+        p.append($createTextNode('before '), chip, $createTextNode(' after'))
+        $getRoot().append(p)
+      }, { discrete: true })
+    })
+    await Promise.resolve()
+    const chipButton = rootEl.querySelector('[data-chip-button]')
+    expect(chipButton).not.toBeNull()
+    const chipSpan = rootEl.querySelector('[data-spike-chip]')
+
+    // Insert text before the chip through the node API (the transaction path).
+    act(() => {
+      editor.update(() => {
+        const p = $getRoot().getFirstChild()
+        if (p === null) throw new Error('paragraph missing')
+        const first = (p as ReturnType<typeof $createParagraphNode>).getFirstChild()
+        if (first === null) throw new Error('text missing')
+        ;(first as ReturnType<typeof $createTextNode>).spliceText(0, 0, '@')
+      }, { discrete: true })
+    })
+    await Promise.resolve()
+    // Chip DOM node identity survives (bug #2793's structural fix).
+    expect(rootEl.querySelector('[data-spike-chip]')).toBe(chipSpan)
+    expect(rootEl.querySelector('[data-chip-button]')).toBe(chipButton)
+    // Chip node identity survives in the tree (bug #2813's structural fix).
+    const stillThere = editor.getEditorState().read(() => {
+      const node = editor.getEditorState()._nodeMap.get(chipKey)
+      return node !== undefined
+    })
+    expect(stillThere).toBe(true)
+    // Text content projection sees the clipboard form.
+    const text = editor.getEditorState().read(() => $getRoot().getTextContent())
+    expect(text).toBe('@before /chip-clipboard after')
+  })
+
+  it('reports whether selection APIs let update-driven caret placement work', () => {
+    const { editor } = makeEditor()
+    editor.update(() => {
+      const p = $createParagraphNode()
+      const t = $createTextNode('abc')
+      p.append(t)
+      $getRoot().append(p)
+      t.select(1, 1)
+    }, { discrete: true })
+    const verdict = editor.getEditorState().read(() => {
+      const sel = $getSelection()
+      return $isRangeSelection(sel) ? `range@${sel.anchor.offset}` : String(sel)
+    })
+    console.log(`SPIKE selection verdict: ${verdict}`)
+    expect(verdict).toBe('range@1')
+  })
+})

pnpm-lock.yaml

@@ -122,7 +122,7 @@ importers:
         version: 6.1.1(typescript@6.0.3)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
       vitest:
         specifier: ^4.1.8
-        version: 4.1.8(@opentelemetry/api@1.9.1)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
+        version: 4.1.8(@opentelemetry/api@1.9.1)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
 
   apps/cli:
     dependencies:
@@ -411,7 +411,7 @@ importers:
         version: 6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0)
       vitest:
         specifier: ^4.1.8
-        version: 4.1.8(@opentelemetry/api@1.9.0)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0))
+        version: 4.1.8(@opentelemetry/api@1.9.0)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0))
 
   examples:
     dependencies:
@@ -1858,9 +1858,24 @@ importers:
       '@deepseek-ai/schemastery':
         specifier: link:../../../vendor/schemastery
         version: link:../../../vendor/schemastery
+      '@lexical/history':
+        specifier: ^0.49.0
+        version: 0.49.0(typescript@6.0.3)
+      '@lexical/plain-text':
+        specifier: ^0.49.0
+        version: 0.49.0(typescript@6.0.3)
+      '@lexical/text':
+        specifier: ^0.49.0
+        version: 0.49.0(typescript@6.0.3)
+      '@lexical/utils':
+        specifier: ^0.49.0
+        version: 0.49.0(typescript@6.0.3)
       clsx:
         specifier: ^2.0.0
         version: 2.1.1
+      lexical:
+        specifier: ^0.49.0
+        version: 0.49.0(typescript@6.0.3)
     devDependencies:
       '@deepseek-ai/cordis':
         specifier: workspace:^
@@ -1943,12 +1958,21 @@ importers:
       '@deepseek-ai/dsh-tools':
         specifier: workspace:^
         version: link:../../core/tools
+      '@lexical/headless':
+        specifier: ^0.49.0
+        version: 0.49.0(typescript@6.0.3)
       '@types/react':
         specifier: ~18.3.1
         version: 18.3.31
+      '@types/react-dom':
+        specifier: ~18.3.0
+        version: 18.3.7(@types/react@18.3.31)
       react:
         specifier: ^18.2.0
         version: 18.3.1
+      react-dom:
+        specifier: ^18.2.0
+        version: 18.3.1(react@18.3.1)
 
   packages/client/ui-deliverables:
     devDependencies:
@@ -7982,7 +8006,7 @@ importers:
         version: link:../loader-smoke
       vitest:
         specifier: ^4.1.8
-        version: 4.1.8(@opentelemetry/api@1.9.0)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
+        version: 4.1.8(@opentelemetry/api@1.9.0)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
     devDependencies:
       '@deepseek-ai/cordis':
         specifier: workspace:^
@@ -8031,7 +8055,7 @@ importers:
         version: 16.3.2(@testing-library/dom@10.4.1)(@types/react-dom@18.3.7(@types/react@18.3.31))(@types/react@18.3.31)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
       vitest:
         specifier: ^4.1.8
-        version: 4.1.8(@opentelemetry/api@1.9.1)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
+        version: 4.1.8(@opentelemetry/api@1.9.1)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
     devDependencies:
       '@deepseek-ai/cordis':
         specifier: workspace:^
@@ -10450,6 +10474,102 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@lexical/clipboard@0.49.0':
+    resolution: {integrity: sha512-AVKj21xH1qU7JAFA/v0hCoafa+Yti1I7cHG+JQIgc/EqCtP8ePeJyIfTPNN/tXskoCdq++HewQoiSXRwwlocVg==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/dragon@0.49.0':
+    resolution: {integrity: sha512-62/4DP5qyX/l4Yf5qRyyQrs9BV725eRU3OmLUW6g7T5xrcHXxAo7tia/NvqjqvXdpvQzyHjWgsy7dMitGITUsw==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/extension@0.49.0':
+    resolution: {integrity: sha512-Wv0VsuqxorbxHCK4ms1PwAu6cXIGNLtflq66auF+zwxOtBprkSFV8VzzzdKLOYD2admP0VK6EqVCeGXFK1GggA==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/headless@0.49.0':
+    resolution: {integrity: sha512-3fQiKMAZ+K5/YlnGli9MId4LM8TPuOdLXIy1eUszfA/8hTZyPMcAxLjG99940UClgcoW9XxP03T37PJpFvpqIA==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/history@0.49.0':
+    resolution: {integrity: sha512-uQdtEd34gIJklXNSdHS2Wko1zxx1xUMVXbiodcLO6a3GeFTE5bKnx6af1zGX78KpYhUQYnHWorKuUvtdZlJPaA==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/html@0.49.0':
+    resolution: {integrity: sha512-NQqAydKzRjQl7Jx+bTTyC2iuz5uhuDaQX0SSPrdfgaFDCPjqQEejcBkCt1QXnu1CkbVHutZKVGVzljx40Y6y+Q==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/internal@0.49.0':
+    resolution: {integrity: sha512-s+XjPC7Qb39A/Xx9ahcz1s69CPix4ultaqyW+MDG0AXYW2quDr7m0USqReKIAiuoLIWtGN5HW8BwV2Y6t4qr6Q==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/list@0.49.0':
+    resolution: {integrity: sha512-zs6wYkxakDRcJO0KmwrPPHgeLLIxzjD+P2CRu+scJCHRuA5e2iSw2iFjH5n/LlWBrlnPMSjeQse4QqsRy9nnqA==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/plain-text@0.49.0':
+    resolution: {integrity: sha512-l7IuUj9n9CtFfz4Fz6zU6mmO+VkcnvyyebABx+lHevvTa7B6YI5PPVgABFfzdyPanyW/FGs7qpKBf59inAqbkg==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/selection@0.49.0':
+    resolution: {integrity: sha512-08Vd1+VoC6YnztWOFWVsqF/Hxw5EP8qeL1c7t3+rVCV8revLzXxdQw+vbPX3tgM4fmjOBDUXk6Ws1+rTtsqjcQ==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/text@0.49.0':
+    resolution: {integrity: sha512-mowedvbvx0HDaW+ymVdYmWVhueqgauhhqIWaCtbJj33tPk8pOu1BB0pZuJQbOB+1bDnFiZhkJV8W/CvR2M9lEA==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
+  '@lexical/utils@0.49.0':
+    resolution: {integrity: sha512-Jaa6DERBqxiFOFa49VPRV1WOb7mzRbMZ5U+v+RFagjzTmBhfxDmEkbQQ9nYTU3n3DPfdT8Hkyffextmw04etXg==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
   '@mermaid-js/mermaid-mindmap@9.3.0':
     resolution: {integrity: sha512-IhtYSVBBRYviH1Ehu8gk69pMDF8DSRqXBRDMWrEfHoaMruHeaP2DXA3PBnuwsMaCdPQhlUUcy/7DBLAEIXvCAw==}
 
@@ -11003,6 +11123,9 @@ packages:
     resolution: {integrity: sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==}
     engines: {node: '>=14'}
 
+  '@preact/signals-core@1.14.4':
+    resolution: {integrity: sha512-HNB6HYeYKhQbJ1aKl+YRjrS4+QWHLKX6qKoUsfS/m0vqzsVaEBiZiaKbG/e+NKk2ch5ALQr/ihWaMHxiCuuWHA==}
+
   '@protobufjs/aspromise@1.1.2':
     resolution: {integrity: sha512-j+gKExEuLmKwvz3OgROXtrJ2UG2x8Ch2YZUxahh+s1F2HZ+wAceUNLkvy6zKCPVRkU++ZWQrdxsUeQXmcg4uoQ==}
 
@@ -11716,6 +11839,9 @@ packages:
   '@types/web-bluetooth@0.0.21':
     resolution: {integrity: sha512-oIQLCGWtcFZy2JW77j9k8nHzAOpqMHLQejDA48XXMWH6tjCQHz5RCFz1bzsmROyL6PUm+LLnUiI4BCn221inxA==}
 
+  '@types/whatwg-mimetype@3.0.2':
+    resolution: {integrity: sha512-c2AKvDT8ToxLIOUlN51gTiHXflsfIFisS4pO7pDPoKouJCESkhZnEy623gwP9laCy5lnLDAw1vAzu2vM2YLOrA==}
+
   '@types/ws@8.18.1':
     resolution: {integrity: sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==}
 
@@ -12068,6 +12194,10 @@ packages:
   buffer-equal-constant-time@1.0.1:
     resolution: {integrity: sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==}
 
+  buffer-image-size@0.6.4:
+    resolution: {integrity: sha512-nEh+kZOPY1w+gcCMobZ6ETUp9WfibndnosbpwB1iJk/8Gt5ZF2bhS6+B6bPYz424KtwsR6Rflc3tCz1/ghX2dQ==}
+    engines: {node: '>=4.0'}
+
   builtin-modules@3.3.0:
     resolution: {integrity: sha512-zhaCDicdLuWN5UbN5IMnFqNMhNfo919sH85y2/ea+5Yg9TsTkeZxpL+JLbp6cgYFS4sRLp3YV4S6yDuqVWHYOw==}
     engines: {node: '>=6'}
@@ -12811,6 +12941,10 @@ packages:
   hachure-fill@0.5.2:
     resolution: {integrity: sha512-3GKBOn+m2LX9iq+JC1064cSFprJY4jL1jCXTcpnfER5HYE2l/4EfWSGzkPa/ZDBmYI0ZOEj5VHV/eKnPGkHuOg==}
 
+  happy-dom@20.11.2:
+    resolution: {integrity: sha512-7MB+bJLkxu3SowAfBJbjW+c55kNz5tkR45gu2qzrxznezhLeN5YIlJbwUgSzlGc+qWoZ8Ykg71H5ezz69xixrw==}
+    engines: {node: '>=20.0.0'}
+
   has-flag@4.0.0:
     resolution: {integrity: sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==}
     engines: {node: '>=8'}
@@ -13180,6 +13314,14 @@ packages:
     resolution: {integrity: sha512-+bT2uH4E5LGE7h/n3evcS/sQlJXCpIp6ym8OWJ5eV6+67Dsql/LaaT7qJBAt2rzfoa/5QBGBhxDix1dMt2kQKQ==}
     engines: {node: '>= 0.8.0'}
 
+  lexical@0.49.0:
+    resolution: {integrity: sha512-9V1ZIzGpJEd8rIN+nN7veL4fW4fFWbS66Un4JNqSZB4D5t9euzN9+3+jEXy83FjNjNy0MiiUI3+DQaGCLYko0w==}
+    peerDependencies:
+      typescript: '>=5.2'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
   lie@3.3.0:
     resolution: {integrity: sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==}
 
@@ -14566,6 +14708,10 @@ packages:
     resolution: {integrity: sha512-BMhLD/Sw+GbJC21C/UgyaZX41nPt8bUTg+jWyDeg7e7YN4xOM05YPSIXceACnXVtqyEw/LMClUQMtMZ+PGGpqQ==}
     engines: {node: '>=20'}
 
+  whatwg-mimetype@3.0.0:
+    resolution: {integrity: sha512-nt+N2dzIutVRxARx1nghPKGv1xHikU7HKdfafKkLNLindmPU/ch3U31NOCGGA/dmPcmb1VlofO0vnKAcsm0o/Q==}
+    engines: {node: '>=12'}
+
   whatwg-mimetype@5.0.0:
     resolution: {integrity: sha512-sXcNcHOC51uPGF0P/D4NVtrkjSU2fNsm9iog4ZvZJsL3rjoDAzXZhkm2MWt1y+PUdggKAYVoMAIYcs78wJ51Cw==}
     engines: {node: '>=20'}
@@ -15853,6 +15999,111 @@ snapshots:
   '@koromix/koffi-win32-x64@3.1.1':
     optional: true
 
+  '@lexical/clipboard@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/extension': 0.49.0(typescript@6.0.3)
+      '@lexical/html': 0.49.0(typescript@6.0.3)
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      '@lexical/list': 0.49.0(typescript@6.0.3)
+      '@lexical/selection': 0.49.0(typescript@6.0.3)
+      '@lexical/utils': 0.49.0(typescript@6.0.3)
+      '@types/trusted-types': 2.0.7
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/dragon@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/extension': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/extension@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      '@lexical/utils': 0.49.0(typescript@6.0.3)
+      '@preact/signals-core': 1.14.4
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/headless@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      happy-dom: 20.11.2
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+
+  '@lexical/history@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/extension': 0.49.0(typescript@6.0.3)
+      '@lexical/utils': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/html@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/extension': 0.49.0(typescript@6.0.3)
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      '@lexical/selection': 0.49.0(typescript@6.0.3)
+      '@lexical/utils': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/internal@0.49.0(typescript@6.0.3)':
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/list@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/extension': 0.49.0(typescript@6.0.3)
+      '@lexical/html': 0.49.0(typescript@6.0.3)
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      '@lexical/utils': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/plain-text@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/clipboard': 0.49.0(typescript@6.0.3)
+      '@lexical/dragon': 0.49.0(typescript@6.0.3)
+      '@lexical/extension': 0.49.0(typescript@6.0.3)
+      '@lexical/selection': 0.49.0(typescript@6.0.3)
+      '@lexical/utils': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/selection@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/text@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
+  '@lexical/utils@0.49.0(typescript@6.0.3)':
+    dependencies:
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+      '@lexical/selection': 0.49.0(typescript@6.0.3)
+      lexical: 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
   '@mermaid-js/mermaid-mindmap@9.3.0':
     dependencies:
       '@braintree/sanitize-url': 6.0.4
@@ -16254,6 +16505,8 @@ snapshots:
   '@pkgjs/parseargs@0.11.0':
     optional: true
 
+  '@preact/signals-core@1.14.4': {}
+
   '@protobufjs/aspromise@1.1.2': {}
 
   '@protobufjs/base64@1.1.2': {}
@@ -16863,8 +17116,7 @@ snapshots:
 
   '@types/tough-cookie@4.0.5': {}
 
-  '@types/trusted-types@2.0.7':
-    optional: true
+  '@types/trusted-types@2.0.7': {}
 
   '@types/turndown@5.0.6': {}
 
@@ -16872,6 +17124,8 @@ snapshots:
 
   '@types/web-bluetooth@0.0.21': {}
 
+  '@types/whatwg-mimetype@3.0.2': {}
+
   '@types/ws@8.18.1':
     dependencies:
       '@types/node': 22.20.0
@@ -16914,7 +17168,7 @@ snapshots:
       obug: 2.1.3
       std-env: 4.1.0
       tinyrainbow: 3.1.0
-      vitest: 4.1.8(@opentelemetry/api@1.9.1)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
+      vitest: 4.1.8(@opentelemetry/api@1.9.1)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
 
   '@vitest/expect@4.1.8':
     dependencies:
@@ -17263,6 +17517,10 @@ snapshots:
 
   buffer-equal-constant-time@1.0.1: {}
 
+  buffer-image-size@0.6.4:
+    dependencies:
+      '@types/node': 22.20.0
+
   builtin-modules@3.3.0: {}
 
   bundle-name@4.1.0:
@@ -18124,6 +18382,19 @@ snapshots:
 
   hachure-fill@0.5.2: {}
 
+  happy-dom@20.11.2:
+    dependencies:
+      '@types/node': 22.20.0
+      '@types/whatwg-mimetype': 3.0.2
+      '@types/ws': 8.18.1
+      buffer-image-size: 0.6.4
+      entities: 7.0.1
+      whatwg-mimetype: 3.0.0
+      ws: 8.21.0
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+
   has-flag@4.0.0: {}
 
   has-symbols@1.1.0: {}
@@ -18483,6 +18754,12 @@ snapshots:
       prelude-ls: 1.2.1
       type-check: 0.4.0
 
+  lexical@0.49.0(typescript@6.0.3):
+    dependencies:
+      '@lexical/internal': 0.49.0(typescript@6.0.3)
+    optionalDependencies:
+      typescript: 6.0.3
+
   lie@3.3.0:
     dependencies:
       immediate: 3.0.6
@@ -20042,7 +20319,7 @@ snapshots:
       - typescript
       - universal-cookie
 
-  vitest@4.1.8(@opentelemetry/api@1.9.0)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0)):
+  vitest@4.1.8(@opentelemetry/api@1.9.0)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0)):
     dependencies:
       '@vitest/expect': 4.1.8
       '@vitest/mocker': 4.1.8(vite@6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0))
@@ -20068,11 +20345,12 @@ snapshots:
       '@opentelemetry/api': 1.9.0
       '@types/node': 22.20.0
       '@vitest/coverage-v8': 4.1.8(vitest@4.1.8)
+      happy-dom: 20.11.2
       jsdom: 29.1.1
     transitivePeerDependencies:
       - msw
 
-  vitest@4.1.8(@opentelemetry/api@1.9.0)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)):
+  vitest@4.1.8(@opentelemetry/api@1.9.0)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)):
     dependencies:
       '@vitest/expect': 4.1.8
       '@vitest/mocker': 4.1.8(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
@@ -20098,11 +20376,12 @@ snapshots:
       '@opentelemetry/api': 1.9.0
       '@types/node': 25.9.3
       '@vitest/coverage-v8': 4.1.8(vitest@4.1.8)
+      happy-dom: 20.11.2
       jsdom: 29.1.1
     transitivePeerDependencies:
       - msw
 
-  vitest@4.1.8(@opentelemetry/api@1.9.1)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)):
+  vitest@4.1.8(@opentelemetry/api@1.9.1)(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)):
     dependencies:
       '@vitest/expect': 4.1.8
       '@vitest/mocker': 4.1.8(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
@@ -20128,11 +20407,12 @@ snapshots:
       '@opentelemetry/api': 1.9.1
       '@types/node': 22.20.0
       '@vitest/coverage-v8': 4.1.8(vitest@4.1.8)
+      happy-dom: 20.11.2
       jsdom: 29.1.1
     transitivePeerDependencies:
       - msw
 
-  vitest@4.1.8(@opentelemetry/api@1.9.1)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)):
+  vitest@4.1.8(@opentelemetry/api@1.9.1)(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(happy-dom@20.11.2)(jsdom@29.1.1)(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)):
     dependencies:
       '@vitest/expect': 4.1.8
       '@vitest/mocker': 4.1.8(vite@8.0.16(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))
@@ -20158,6 +20438,7 @@ snapshots:
       '@opentelemetry/api': 1.9.1
       '@types/node': 25.9.3
       '@vitest/coverage-v8': 4.1.8(vitest@4.1.8)
+      happy-dom: 20.11.2
       jsdom: 29.1.1
     transitivePeerDependencies:
       - msw
@@ -20195,6 +20476,8 @@ snapshots:
 
   webidl-conversions@8.0.1: {}
 
+  whatwg-mimetype@3.0.0: {}
+
   whatwg-mimetype@5.0.0: {}
 
   whatwg-url@16.0.1: