feat: add svelte workspace feature panels

apps/web/src/features/ai/AISessionCards.svelte

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+<script lang="ts">
+  export type AISessionCard = {
+    id: number;
+    title: string;
+    updatedAt: string;
+  };
+
+  export let sessions: AISessionCard[] = [];
+</script>
+
+<section aria-label="AI 会话" class="ai-session-grid">
+  {#each sessions as session}
+    <button class="ai-session-card" type="button">
+      <strong>{session.title}</strong>
+      <span>{session.updatedAt}</span>
+    </button>
+  {/each}
+</section>

apps/web/src/features/inbox/InboxPanel.svelte

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+<script lang="ts">
+  export let onCapture: (input: { sourceType: string; body: string }) => void = () => {};
+
+  let body = '';
+  let sourceType = 'text';
+
+  function submit() {
+    onCapture({ sourceType, body });
+    body = '';
+  }
+</script>
+
+<section aria-label="项目 Inbox" class="inbox-panel">
+  <select aria-label="收集类型" bind:value={sourceType}>
+    <option value="text">文本</option>
+    <option value="link">链接</option>
+    <option value="file">文件</option>
+  </select>
+  <textarea aria-label="收集内容" bind:value={body}></textarea>
+  <div class="toolbar">
+    <button type="button" on:click={submit}>保存到 Inbox</button>
+    <button type="button">分析/整理</button>
+  </div>
+</section>

apps/web/src/features/inbox/SuggestionList.svelte

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+<script lang="ts">
+  export type Suggestion = {
+    kind: 'task' | 'note' | 'source';
+    title: string;
+    body: string;
+  };
+
+  export let suggestions: Suggestion[] = [];
+  export let onConfirm: (selected: Suggestion[]) => void;
+
+  let selectedIndexes: number[] = [];
+
+  function toggle(index: number) {
+    selectedIndexes = selectedIndexes.includes(index)
+      ? selectedIndexes.filter((item) => item !== index)
+      : [...selectedIndexes, index];
+  }
+
+  function confirm() {
+    onConfirm(selectedIndexes.map((index) => suggestions[index]));
+  }
+</script>
+
+<section aria-label="AI 整理建议" class="suggestions">
+  {#each suggestions as suggestion, index}
+    <label class="suggestion">
+      <input
+        aria-label={`选择 ${suggestion.title}`}
+        type="checkbox"
+        checked={selectedIndexes.includes(index)}
+        on:change={() => toggle(index)}
+      />
+      <span class="suggestion-body">
+        <strong>{suggestion.title}</strong>
+        <small>{suggestion.kind}</small>
+        <span>{suggestion.body}</span>
+      </span>
+    </label>
+  {/each}
+  <button type="button" on:click={confirm}>创建选中项</button>
+</section>

apps/web/src/features/inbox/SuggestionList.test.ts

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+import '@testing-library/jest-dom/vitest';
+import { fireEvent, render, screen } from '@testing-library/svelte';
+import { describe, expect, it, vi } from 'vitest';
+import SuggestionList from './SuggestionList.svelte';
+
+describe('SuggestionList', () => {
+  it('requires explicit selection before confirmation', async () => {
+    const onConfirm = vi.fn();
+    render(SuggestionList, {
+      props: {
+        suggestions: [{ kind: 'task', title: '跟进报价', body: '联系客户' }],
+        onConfirm,
+      },
+    });
+
+    await fireEvent.click(screen.getByText('创建选中项'));
+    expect(onConfirm).toHaveBeenCalledWith([]);
+
+    await fireEvent.click(screen.getByLabelText('选择 跟进报价'));
+    await fireEvent.click(screen.getByText('创建选中项'));
+    expect(onConfirm).toHaveBeenLastCalledWith([
+      { kind: 'task', title: '跟进报价', body: '联系客户' },
+    ]);
+  });
+});

apps/web/src/features/notes/MarkdownEditor.svelte

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+<script lang="ts">
+  export let value = '';
+  export let onChange: (value: string) => void = () => {};
+</script>
+
+<textarea
+  aria-label="Markdown 编辑器"
+  class="markdown-editor"
+  spellcheck="false"
+  bind:value
+  on:input={() => onChange(value)}
+></textarea>

apps/web/src/features/tasks/TaskList.svelte

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+<script lang="ts">
+  export type TaskListItem = {
+    id: number;
+    title: string;
+    status: 'open' | 'doing' | 'done';
+    assignee?: string;
+  };
+
+  export let tasks: TaskListItem[] = [];
+</script>
+
+<section aria-label="任务列表" class="task-list">
+  {#each tasks as task}
+    <article class="task-row">
+      <strong>{task.title}</strong>
+      <span>{task.status}</span>
+      {#if task.assignee}
+        <span>{task.assignee}</span>
+      {/if}
+    </article>
+  {/each}
+</section>