feat: add plugin integration analysis to config-analyze command

Add automatic detection of active marketplace plugins and verification
that CLAUDE.md properly references them. This ensures projects using
marketplace plugins will have proper documentation to guide Claude Code
in using available tools.

Changes:
- Add claude-md-integration.md snippets to all 4 plugins (projman,
  cmdb-assistant, claude-config-maintainer, project-hygiene)
- Update marketplace.json with MCP server mappings for plugin detection
- Enhance /config-analyze to detect active plugins via MCP server names
- Update maintainer agent with plugin integration workflow
- Add plugin coverage percentage to analysis report
- User confirmation required before adding plugin references

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

plugins/cmdb-assistant/claude-md-integration.md

@@ -0,0 +1,58 @@
+## Infrastructure Management (cmdb-assistant)
+
+This project uses the **cmdb-assistant** plugin for NetBox CMDB integration to manage network infrastructure.
+
+### Available Commands
+
+| Command | Description |
+|---------|-------------|
+| `/cmdb-search` | Search across all NetBox objects |
+| `/cmdb-device` | Manage devices (create, update, list) |
+| `/cmdb-ip` | Manage IP addresses and prefixes |
+| `/cmdb-site` | Manage sites and locations |
+
+### MCP Tools Available
+
+The following NetBox MCP tools are available for infrastructure management:
+
+**DCIM (Data Center Infrastructure Management):**
+- `dcim_list_devices`, `dcim_get_device`, `dcim_create_device`, `dcim_update_device` - Device management
+- `dcim_list_sites`, `dcim_get_site`, `dcim_create_site` - Site management
+- `dcim_list_racks`, `dcim_get_rack`, `dcim_create_rack` - Rack management
+- `dcim_list_interfaces`, `dcim_create_interface` - Interface management
+- `dcim_list_cables`, `dcim_create_cable` - Cable management
+- `dcim_list_device_types`, `dcim_list_device_roles`, `dcim_list_manufacturers` - Reference data
+- `dcim_list_regions`, `dcim_list_locations` - Location hierarchy
+
+**IPAM (IP Address Management):**
+- `ipam_list_ip_addresses`, `ipam_create_ip_address`, `ipam_get_ip_address` - IP address management
+- `ipam_list_prefixes`, `ipam_create_prefix`, `ipam_list_available_prefixes` - Prefix management
+- `ipam_list_vlans`, `ipam_create_vlan` - VLAN management
+- `ipam_list_vrfs`, `ipam_create_vrf` - VRF management
+- `ipam_list_available_ips`, `ipam_create_available_ip` - IP allocation
+
+**Virtualization:**
+- `virtualization_list_virtual_machines`, `virtualization_create_virtual_machine` - VM management
+- `virtualization_list_clusters`, `virtualization_create_cluster` - Cluster management
+- `virtualization_list_vm_interfaces` - VM interface management
+
+**Circuits:**
+- `circuits_list_circuits`, `circuits_create_circuit` - Circuit management
+- `circuits_list_providers`, `circuits_create_provider` - Provider management
+
+**Tenancy:**
+- `tenancy_list_tenants`, `tenancy_create_tenant` - Tenant management
+- `tenancy_list_contacts`, `tenancy_create_contact` - Contact management
+
+**Extras:**
+- `extras_list_tags`, `extras_create_tag` - Tag management
+- `extras_list_journal_entries`, `extras_create_journal_entry` - Audit journal
+- `extras_list_object_changes` - Change tracking
+
+### Usage Guidelines
+
+- Use NetBox MCP tools for all infrastructure queries and modifications
+- Always verify device/IP existence before creating duplicates
+- Use tags for categorization and filtering
+- Create journal entries for significant changes to maintain audit trail
+- Check available IPs in a prefix before manual allocation