[2.26.2] Clarify test-browser to use agent-browser CLI only

- Add explicit warning: DO NOT use Chrome MCP tools
- Add Step 0: Verify agent-browser installation
- Add full CLI reference section
- Add Next.js route mapping patterns

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/compound-engineering/.claude-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "compound-engineering",
-  "version": "2.26.1",
+  "version": "2.26.2",
   "description": "AI-powered development tools. 27 agents, 21 commands, 14 skills, 1 MCP server for code review, research, design, and workflow automation.",
   "author": {
     "name": "Kieran Klaassen",