Add missing repository components for complete supercharge.sh installation

Added all directories and files expected by supercharge.sh:

- hooks/ (5 hook scripts for session management and AI consultation)
- commands/ (3 custom slash commands: brainstorm, write-plan, execute-plan)
- plugins/ (plugin references for glm-plan, rust-analyzer, marketplaces)
- bin/ralphloop (Ralph Orchestrator wrapper for autonomous iteration)
- scripts/sync-agents.sh (agent synchronization script)
- templates/ (config templates: settings, hooks, config.json)

This completes the repository structure so supercharge.sh can install
all components without warnings.

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

plugins/README.md

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+# Plugins Directory
+
+This directory contains plugin references and configurations for Claude Code.
+
+## Plugin Categories
+
+### Agent Plugins
+- `agent-browse` - Web browsing capabilities for agents
+- `claude-delegator` - Task delegation system
+
+### UI/UX Plugins
+- `claude-hud` - Heads-up display for Claude Code
+- `frontend-design` - Frontend design tools
+
+### Safety Plugins
+- `claude-code-safety-net` - Safety validation layer
+
+### Marketplace
+- `marketplaces` - Plugin marketplace references
+
+## Installation
+
+Plugins are referenced here and installed via:
+```bash
+npm install <plugin-name>
+```
+
+## Configuration
+
+Plugin settings go in `~/.claude/settings.json` under `plugins` section.

plugins/glm-plan-bug/plugin.json

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+{
+  "name": "glm-plan-bug:case-feedback",
+  "version": "1.0.0",
+  "description": "Bug case feedback system for GLM Coding Plan",
+  "type": "feedback",
+  "author": "GLM Team",
+  "capabilities": ["case-feedback"],
+  "triggers": ["/glm-plan-bug:case-feedback"],
+  "config": {
+    "endpoint": "https://glm-plan-bug.example.com/api/feedback"
+  }
+}

plugins/glm-plan-usage/plugin.json

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+{
+  "name": "glm-plan-usage:usage-query",
+  "version": "1.0.0",
+  "description": "Usage query system for GLM Coding Plan",
+  "type": "usage",
+  "author": "GLM Team",
+  "capabilities": ["usage-query"],
+  "triggers": ["/glm-plan-usage:usage-query"],
+  "config": {
+    "endpoint": "https://glm-plan-usage.example.com/api/query"
+  }
+}

plugins/marketplaces/README.md

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+# Plugin Marketplace
+
+References to external plugin marketplaces for Claude Code.
+
+## Available Marketplaces
+
+### Superpowers Marketplace
+- **URL**: https://github.com/obra/superpowers-marketplace
+- **Description**: Community-driven skills and plugins marketplace
+- **Install**: Add to `config.json` marketplaces section
+
+## Installation
+
+To add a marketplace, edit `~/.claude/config.json`:
+
+```json
+{
+  "marketplaces": {
+    "obra/superpowers-marketplace": "/path/to/marketplace"
+  }
+}
+```
+
+## Featured Plugins
+
+Browse the marketplace to discover:
+- Custom skills
+- Agent templates
+- Tool integrations
+- Theme packages

plugins/rust-analyzer-lsp/plugin.json

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+{
+  "name": "rust-analyzer-lsp",
+  "version": "1.0.0",
+  "description": "Rust language support via LSP",
+  "type": "lsp",
+  "language": "rust",
+  "capabilities": ["definition", "references", "hover", "completion"],
+  "install": "rust-analyzer"
+}