[2.1.0] Add Playwright MCP server and replace Puppeteer references

- Bundle @playwright/mcp for browser automation across all plugin users
- Replace all Puppeteer references with Playwright in agents and commands:
  - bug-reproduction-validator
  - design-iterator
  - design-implementation-reviewer
  - figma-design-sync
  - generate_command
- Document Playwright tools: browser_navigate, browser_take_screenshot,
  browser_click, browser_fill_form, browser_snapshot, browser_evaluate

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

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

@@ -1,7 +1,7 @@
 {
   "name": "compounding-engineering",
-  "version": "2.0.2",
-  "description": "AI-powered development tools. 24 agents (organized by category: review, research, design, workflow, docs), 15 commands, 11 skills for code review, research, design, and workflow automation.",
+  "version": "2.1.0",
+  "description": "AI-powered development tools. 24 agents (organized by category: review, research, design, workflow, docs), 15 commands, 11 skills, 1 MCP server for code review, research, design, and workflow automation.",
   "author": {
     "name": "Kieran Klaassen",
     "email": "kieran@every.to",
@@ -20,6 +20,15 @@
     "python",
     "typescript",
     "knowledge-management",
-    "image-generation"
-  ]
+    "image-generation",
+    "playwright",
+    "browser-automation"
+  ],
+  "mcpServers": {
+    "playwright": {
+      "command": "npx",
+      "args": ["-y", "@playwright/mcp@latest"],
+      "env": {}
+    }
+  }
 }