fix: address 18 CRITICAL+HIGH PR review comments

**Critical Fixes (7 issues):**
- Fix GraphQL schema field names in users tool (role→roles, remove email)
- Fix GraphQL mutation signatures (addUserInput, deleteUser input)
- Fix dict(None) TypeError guards in users tool (use `or {}` pattern)
- Fix FastAPI version constraint (0.116.1→0.115.0)
- Fix WebSocket SSL context handling (support CA bundles, bool, and None)
- Fix critical disk threshold treated as warning (split counters)

**High Priority Fixes (11 issues):**
- Fix Docker update/remove action response field mapping
- Fix path traversal vulnerability in log validation (normalize paths)
- Fix deleteApiKeys validation (check response before success)
- Fix rclone create_remote validation (check response)
- Fix keys input_data type annotation (dict[str, Any])
- Fix VM domain/domains fallback restoration

**Changes by file:**
- unraid_mcp/tools/docker.py: Response field mapping
- unraid_mcp/tools/info.py: Split critical/warning counters
- unraid_mcp/tools/storage.py: Path normalization for traversal protection
- unraid_mcp/tools/users.py: GraphQL schema + null handling
- unraid_mcp/tools/keys.py: Validation + type annotations
- unraid_mcp/tools/rclone.py: Response validation
- unraid_mcp/tools/virtualization.py: Domain fallback
- unraid_mcp/subscriptions/manager.py: SSL context creation
- pyproject.toml: FastAPI version fix
- tests/*: New tests for all fixes

**Review threads resolved:**
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All tests passing.

Co-authored-by: docker-fixer <agent@pr-fixes>
Co-authored-by: info-fixer <agent@pr-fixes>
Co-authored-by: storage-fixer <agent@pr-fixes>
Co-authored-by: users-fixer <agent@pr-fixes>
Co-authored-by: config-fixer <agent@pr-fixes>
Co-authored-by: websocket-fixer <agent@pr-fixes>
Co-authored-by: keys-rclone-fixer <agent@pr-fixes>
Co-authored-by: vm-fixer <agent@pr-fixes>

.claude-plugin/README.md

@@ -0,0 +1,70 @@
+# Unraid MCP Marketplace
+
+This directory contains the Claude Code marketplace configuration for the Unraid MCP server and skills.
+
+## Installation
+
+### From GitHub (Recommended)
+
+```bash
+# Add the marketplace
+/plugin marketplace add jmagar/unraid-mcp
+
+# Install the Unraid skill
+/plugin install unraid @unraid-mcp
+```
+
+### From Local Path (Development)
+
+```bash
+# Add local marketplace
+/plugin marketplace add /path/to/unraid-mcp
+
+# Install the plugin
+/plugin install unraid @unraid-mcp
+```
+
+## Available Plugins
+
+### unraid
+Query and monitor Unraid servers via GraphQL API - array status, disk health, containers, VMs, system monitoring.
+
+**Features:**
+- 27 read-only API endpoints
+- Real-time system metrics
+- Disk health and temperature monitoring
+- Docker container management
+- VM status and control
+- Log file access
+- Network share information
+- Notification management
+
+**Version:** 1.1.0
+**Category:** Infrastructure
+**Tags:** unraid, monitoring, homelab, graphql, docker, virtualization
+
+## Configuration
+
+After installation, configure your Unraid server credentials:
+
+```bash
+export UNRAID_URL="https://your-unraid-server/graphql"
+export UNRAID_API_KEY="your-api-key"
+```
+
+**Getting an API Key:**
+1. Open Unraid WebUI
+2. Go to Settings → Management Access → API Keys
+3. Click "Create" and select "Viewer" role
+4. Copy the generated API key
+
+## Documentation
+
+- **Plugin Documentation:** See `skills/unraid/README.md`
+- **MCP Server Documentation:** See root `README.md`
+- **API Reference:** See `skills/unraid/references/`
+
+## Support
+
+- **Issues:** https://github.com/jmagar/unraid-mcp/issues
+- **Repository:** https://github.com/jmagar/unraid-mcp

.claude-plugin/marketplace.json

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+{
+  "name": "unraid-mcp",
+  "description": "Comprehensive Unraid server management and monitoring tools via GraphQL API",
+  "version": "1.0.0",
+  "owner": {
+    "name": "jmagar",
+    "email": "jmagar@users.noreply.github.com",
+    "url": "https://github.com/jmagar"
+  },
+  "homepage": "https://github.com/jmagar/unraid-mcp",
+  "repository": "https://github.com/jmagar/unraid-mcp",
+  "plugins": [
+    {
+      "name": "unraid",
+      "source": "./skills/unraid",
+      "description": "Query and monitor Unraid servers via GraphQL API - array status, disk health, containers, VMs, system monitoring",
+      "version": "1.1.0",
+      "tags": ["unraid", "monitoring", "homelab", "graphql", "docker", "virtualization"],
+      "category": "infrastructure"
+    }
+  ]
+}