feat: restore MCP UI-steering tools (highlight_editor, refresh_vault)
Add highlight_editor and refresh_vault tools to the MCP stdio server so Claude Code can visually highlight UI elements and trigger vault rescans. Also fix outdated test.js imports after the ai-agent-full-shell simplification removed write operations from vault.js. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Test
@@ -10,6 +10,8 @@
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* - get_vault_context: vault structure overview (types, note count, folders)
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* - get_note: parsed frontmatter + content (convenience over raw cat)
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* - open_note: signal Laputa UI to open a note as a tab
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* - highlight_editor: visually highlight a UI element (editor, tab, etc.)
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* - refresh_vault: trigger vault rescan so new/modified files appear
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*/
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import { Server } from '@modelcontextprotocol/sdk/server/index.js'
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import { StdioServerTransport } from '@modelcontextprotocol/sdk/server/stdio.js'
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@@ -94,6 +96,28 @@ const TOOLS = [
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required: ['path'],
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},
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},
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{
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name: 'highlight_editor',
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description: 'Visually highlight a UI element in Laputa (editor, tab, properties panel, or note list). The highlight auto-clears after a short delay.',
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inputSchema: {
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type: 'object',
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properties: {
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element: { type: 'string', enum: ['editor', 'tab', 'properties', 'notelist'], description: 'Which UI element to highlight' },
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path: { type: 'string', description: 'Optional note path to associate with the highlight' },
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},
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required: ['element'],
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},
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},
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{
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name: 'refresh_vault',
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description: 'Trigger a vault rescan so new or modified files appear immediately in the Laputa note list.',
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inputSchema: {
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type: 'object',
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properties: {
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path: { type: 'string', description: 'Optional specific note path that changed' },
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},
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},
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},
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]
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const TOOL_HANDLERS = {
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@@ -101,6 +125,8 @@ const TOOL_HANDLERS = {
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get_vault_context: handleVaultContext,
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get_note: handleGetNote,
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open_note: handleOpenNote,
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highlight_editor: handleHighlightEditor,
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refresh_vault: handleRefreshVault,
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}
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async function handleSearchNotes(args) {
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@@ -126,10 +152,20 @@ function handleOpenNote(args) {
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return { content: [{ type: 'text', text: `Opening ${args.path} in Laputa` }] }
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}
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function handleHighlightEditor(args) {
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broadcastUiAction('highlight', { element: args.element, path: args.path })
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return { content: [{ type: 'text', text: `Highlighting ${args.element}` }] }
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}
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function handleRefreshVault(args) {
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broadcastUiAction('vault_changed', { path: args?.path })
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return { content: [{ type: 'text', text: 'Vault refresh triggered' }] }
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}
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// --- Server setup ---
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const server = new Server(
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{ name: 'laputa-mcp-server', version: '0.2.0' },
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{ name: 'laputa-mcp-server', version: '0.3.0' },
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{ capabilities: { tools: {} } },
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)
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@@ -4,8 +4,7 @@ import fs from 'node:fs/promises'
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import path from 'node:path'
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import os from 'node:os'
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import {
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readNote, createNote, searchNotes, appendToNote, findMarkdownFiles,
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editNoteFrontmatter, deleteNote, linkNotes, listNotes, vaultContext,
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findMarkdownFiles, getNote, searchNotes, vaultContext,
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} from './vault.js'
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let tmpDir
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@@ -65,39 +64,23 @@ describe('findMarkdownFiles', () => {
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})
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})
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describe('readNote', () => {
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it('should read a note by relative path', async () => {
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const content = await readNote(tmpDir, 'project/test-project.md')
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assert.ok(content.includes('Test Project'))
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assert.ok(content.includes('is_a: Project'))
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describe('getNote', () => {
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it('should read a note with parsed frontmatter', async () => {
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const note = await getNote(tmpDir, 'project/test-project.md')
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assert.equal(note.path, 'project/test-project.md')
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assert.equal(note.frontmatter.title, 'Test Project')
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assert.equal(note.frontmatter.is_a, 'Project')
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assert.ok(note.content.includes('test project for the MCP server'))
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})
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it('should throw for missing notes', async () => {
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await assert.rejects(
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() => readNote(tmpDir, 'nonexistent.md'),
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() => getNote(tmpDir, 'nonexistent.md'),
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{ code: 'ENOENT' }
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)
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})
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})
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describe('createNote', () => {
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it('should create a note with frontmatter', async () => {
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const absPath = await createNote(tmpDir, 'note/new-note.md', 'My New Note', { is_a: 'Note' })
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assert.ok(absPath.endsWith('new-note.md'))
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const content = await fs.readFile(absPath, 'utf-8')
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assert.ok(content.includes('title: My New Note'))
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assert.ok(content.includes('is_a: Note'))
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assert.ok(content.includes('# My New Note'))
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})
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it('should create parent directories', async () => {
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const absPath = await createNote(tmpDir, 'deep/nested/dir/note.md', 'Deep Note')
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const content = await fs.readFile(absPath, 'utf-8')
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assert.ok(content.includes('# Deep Note'))
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})
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})
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describe('searchNotes', () => {
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it('should find notes matching title', async () => {
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const results = await searchNotes(tmpDir, 'Test Project')
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@@ -121,123 +104,6 @@ describe('searchNotes', () => {
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})
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})
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describe('appendToNote', () => {
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it('should append text to a note', async () => {
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await appendToNote(tmpDir, 'note/daily-log.md', '## Evening Update\nFinished testing.')
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const content = await readNote(tmpDir, 'note/daily-log.md')
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assert.ok(content.includes('## Evening Update'))
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assert.ok(content.includes('Finished testing.'))
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})
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})
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describe('editNoteFrontmatter', () => {
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it('should merge a patch into frontmatter', async () => {
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const updated = await editNoteFrontmatter(tmpDir, 'project/test-project.md', { status: 'Completed', priority: 'High' })
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assert.equal(updated.status, 'Completed')
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assert.equal(updated.priority, 'High')
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assert.equal(updated.title, 'Test Project')
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})
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it('should preserve existing frontmatter fields', async () => {
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const content = await readNote(tmpDir, 'project/test-project.md')
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assert.ok(content.includes('is_a: Project'))
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assert.ok(content.includes('status: Completed'))
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})
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it('should throw for missing file', async () => {
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await assert.rejects(
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() => editNoteFrontmatter(tmpDir, 'nonexistent.md', { foo: 'bar' }),
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{ code: 'ENOENT' }
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)
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})
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})
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describe('deleteNote', () => {
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it('should delete an existing note', async () => {
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const delPath = 'note/to-delete.md'
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await createNote(tmpDir, delPath, 'To Delete')
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const absPath = path.join(tmpDir, delPath)
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// Verify it exists
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await fs.access(absPath)
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await deleteNote(tmpDir, delPath)
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await assert.rejects(
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() => fs.access(absPath),
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{ code: 'ENOENT' }
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)
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})
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it('should throw for missing file', async () => {
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await assert.rejects(
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() => deleteNote(tmpDir, 'nonexistent.md'),
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{ code: 'ENOENT' }
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)
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})
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})
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describe('linkNotes', () => {
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it('should add a target to an array property', async () => {
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const linkPath = 'project/link-test.md'
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await createNote(tmpDir, linkPath, 'Link Test', { is_a: 'Project' })
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const result = await linkNotes(tmpDir, linkPath, 'related_to', '[[note/daily-log]]')
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assert.deepEqual(result, ['[[note/daily-log]]'])
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})
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it('should not duplicate existing links', async () => {
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const linkPath = 'project/link-test.md'
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await linkNotes(tmpDir, linkPath, 'related_to', '[[note/daily-log]]')
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const result = await linkNotes(tmpDir, linkPath, 'related_to', '[[note/daily-log]]')
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assert.equal(result.length, 1)
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})
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it('should add multiple distinct links', async () => {
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const linkPath = 'project/link-test.md'
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await linkNotes(tmpDir, linkPath, 'related_to', '[[project/test-project]]')
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const result = await linkNotes(tmpDir, linkPath, 'related_to', '[[project/test-project]]')
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// Should have daily-log and test-project
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assert.ok(result.includes('[[note/daily-log]]'))
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assert.ok(result.includes('[[project/test-project]]'))
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assert.equal(result.length, 2)
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})
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})
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describe('listNotes', () => {
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it('should list all notes sorted by title', async () => {
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const notes = await listNotes(tmpDir)
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assert.ok(notes.length >= 3)
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// Verify sorted by title
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for (let i = 1; i < notes.length; i++) {
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assert.ok(notes[i - 1].title.localeCompare(notes[i].title) <= 0)
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}
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})
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it('should filter by type', async () => {
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const projects = await listNotes(tmpDir, 'Project')
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assert.ok(projects.length >= 1)
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for (const n of projects) {
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assert.equal(n.type, 'Project')
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}
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})
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it('should return empty for unknown type', async () => {
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const notes = await listNotes(tmpDir, 'UnknownType12345')
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assert.equal(notes.length, 0)
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})
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it('should support mtime sorting', async () => {
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const notes = await listNotes(tmpDir, undefined, 'mtime')
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assert.ok(notes.length >= 1)
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// Just verify it returns results without crashing
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assert.ok(notes[0].path)
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assert.ok(notes[0].title)
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})
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})
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describe('vaultContext', () => {
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it('should return types, recent notes, and vault path', async () => {
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const ctx = await vaultContext(tmpDir)
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@@ -264,4 +130,15 @@ describe('vaultContext', () => {
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assert.ok(note.title)
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}
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})
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it('should include folders', async () => {
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const ctx = await vaultContext(tmpDir)
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assert.ok(ctx.folders.includes('project/'))
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assert.ok(ctx.folders.includes('note/'))
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})
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it('should report correct note count', async () => {
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const ctx = await vaultContext(tmpDir)
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assert.equal(ctx.noteCount, 3)
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})
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})
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@@ -50,6 +50,8 @@ const TOOL_HANDLERS = {
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ui_open_tab: (args) => { broadcastUiAction('open_tab', { path: args.path }); return { ok: true } },
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ui_highlight: (args) => { broadcastUiAction('highlight', { element: args.element, path: args.path }); return { ok: true } },
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ui_set_filter: (args) => { broadcastUiAction('set_filter', { filterType: args.type }); return { ok: true } },
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highlight_editor: (args) => { broadcastUiAction('highlight', { element: args.element, path: args.path }); return { ok: true } },
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refresh_vault: (args) => { broadcastUiAction('vault_changed', { path: args?.path }); return { ok: true } },
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}
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async function handleMessage(data) {
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