Add bookmark search tool

[eyalzh]

No description provided.

[Copilot]

Pull Request Overview

This PR adds bookmark search functionality to the browser control MCP server, enabling AI assistants to access and search through browser bookmarks. The implementation includes both full bookmark tree retrieval and query-based bookmark searching.

• Adds a new get-browser-bookmarks tool that can retrieve bookmarks with optional search functionality
• Implements bookmark formatting as hierarchical text structure with proper indentation and numbering
• Updates all package versions from 1.5.x to 1.6.0 across the project

Reviewed Changes

Copilot reviewed 14 out of 18 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
package.json	Version bump to 1.6.0
mcp-server/server.ts	Adds new bookmark retrieval tool and version update
mcp-server/package.json	Version bump to 1.6.0
mcp-server/manifest.json	Version update and tool registration
mcp-server/browser-api.ts	Implements bookmark API communication method
firefox-extension/util.ts	New utility for formatting bookmarks as hierarchical text
firefox-extension/package.json	Version bump to 1.6.0
firefox-extension/message-handler.ts	Handles bookmark retrieval requests and formatting
firefox-extension/manifest.json	Adds bookmarks permission and version update
firefox-extension/extension-config.ts	Registers new bookmark tool configuration
firefox-extension/tests/setup.ts	Adds bookmark mock for testing
firefox-extension/tests/message-handler.test.ts	Comprehensive tests for bookmark functionality
common/server-messages.ts	Defines bookmark request message types
common/extension-messages.ts	Defines bookmark response message types

Files not reviewed (2)

• firefox-extension/package-lock.json: Language not supported
• mcp-server/package-lock.json: Language not supported

Comments suppressed due to low confidence (1)