[2.10.0] Add agent-native reviewer and architecture skill

- Add agent-native-reviewer agent to verify features are agent-accessible
- Add agent-native-architecture skill for prompt-native design patterns
- Add agent-native-reviewer to /review command parallel agents
- Move agent-native skill to correct plugin folder
- Update component counts (25 agents, 12 skills)
- Include mermaid dark mode fix from PR #45

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

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

plugins/compound-engineering/README.md

@@ -6,19 +6,20 @@ AI-powered development tools that get smarter with every use. Make each unit of
 
 | Component | Count |
 |-----------|-------|
-| Agents | 24 |
+| Agents | 25 |
 | Commands | 19 |
-| Skills | 11 |
+| Skills | 12 |
 | MCP Servers | 2 |
 
 ## Agents
 
 Agents are organized into categories for easier discovery.
 
-### Review (11)
+### Review (12)
 
 | Agent | Description |
 |-------|-------------|
+| `agent-native-reviewer` | Verify features are agent-native (action + context parity) |
 | `architecture-strategist` | Analyze architectural decisions and compliance |
 | `code-simplicity-reviewer` | Final pass for simplicity and minimalism |
 | `data-integrity-guardian` | Database migrations and data integrity |
@@ -96,6 +97,12 @@ Core workflow commands (use the short form for autocomplete):
 
 ## Skills
 
+### Architecture & Design
+
+| Skill | Description |
+|-------|-------------|
+| `agent-native-architecture` | Build AI agents using prompt-native architecture |
+
 ### Development Tools
 
 | Skill | Description |