feat: migrate from MCP tools to CLI based tools (#252)

* feat: migrate from MCP tools to CLI tools

* fix: restore browser action emoji formatters for CLI output

Adapt formatBrowserAction for playwright-cli commands, replacing the old
mcp__playwright__browser_* tool name matching removed during migration.

apps/worker/package.json

@@ -10,7 +10,6 @@
   },
   "dependencies": {
     "@anthropic-ai/claude-agent-sdk": "catalog:",
-    "@shannon/mcp-server": "workspace:*",
     "@temporalio/activity": "^1.11.0",
     "@temporalio/client": "^1.11.0",
     "@temporalio/worker": "^1.11.0",