Update documentation with Superpowers agent and correct agent counts

- Updated MASTER-PROMPT.md: agent count 38→39, bonus agents 3→4
- Updated README.md: bonus agents 2→3, added Superpowers agent
- Updated extra-tools/README.md: added agents section with Superpowers agent
- Corrected PROACTIVELY agent count from 8 to 7 in README.md

MASTER-PROMPT.md

@@ -95,7 +95,7 @@ I want to install the complete Claude Code & GLM Customization Suite with ALL in
 
 This suite includes 7 major components from open-source projects:
 
-1. contains-studio/agents → 38 specialized AI agents with auto-triggering
+1. contains-studio/agents → 39 specialized AI agents with auto-triggering
 2. @z_ai/mcp-server → 8 vision and analysis tools
 3. @z_ai/coding-helper → Web search, GitHub integration
 4. llm-tldr → Token-efficient code analysis (95% reduction)
@@ -105,7 +105,7 @@ This suite includes 7 major components from open-source projects:
 
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
-📥 STEP 1: Install Contains Studio Agents (38 agents)
+📥 STEP 1: Install Contains Studio Agents (39 agents)
 
 Source: https://github.com/contains-studio/agents
 
@@ -114,7 +114,7 @@ git clone https://github.com/contains-studio/agents.git /tmp/contains-studio-age
 cp -r /tmp/contains-studio-agents/agents/* ~/.claude/agents/
 
 What you get:
-• 37 specialized agents across 8 departments
+• 38 specialized agents across 8 departments
 • 7 PROACTIVELY auto-triggering coordinators
 • Automatic multi-agent coordination
 
@@ -126,7 +126,7 @@ Departments:
 ├── Project Management (3): Experiment Tracker, Project Shipper, Studio Producer
 ├── Studio Operations (5): Analytics, Finance, Infrastructure, Legal, Support
 ├── Testing (5): API Tester, Performance, Test Results, Tool Evaluator, Workflow
-└── Bonus (3): Studio Coach, Agent Updater, Joker
+└── Bonus (4): Studio Coach, Agent Updater, Superpowers Agent, Joker
 
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 
@@ -546,9 +546,10 @@ You: We're launching next week
 - tool-evaluator → Tool assessment
 - workflow-optimizer → Process improvement
 
-### Bonus (3)
+### Bonus (4)
 - studio-coach → Agent coordination ⚡
 - agent-updater → Agent updates
+- superpowers-agent → TDD and systematic workflows
 - joker → Humor injection
 
 ⚡ = PROACTIVELY auto-triggers