refactor: bundle MCP servers inside plugins for cache compatibility

Claude Code only caches the plugin directory when installed from a
marketplace, not parent directories. This broke the shared mcp-servers/
architecture because relative paths like ../../mcp-servers/ resolved
to non-existent locations in the cache.

Changes:
- Move gitea and wikijs MCP servers into plugins/projman/mcp-servers/
- Move netbox MCP server into plugins/cmdb-assistant/mcp-servers/
- Update .mcp.json files to use ${CLAUDE_PLUGIN_ROOT}/mcp-servers/
- Update setup.sh to handle new bundled structure
- Add netbox.env config template to setup.sh
- Update CLAUDE.md and CANONICAL-PATHS.md documentation

This ensures plugins work correctly when installed and cached.

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

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

mcp-servers/gitea/mcp_server/config.py

@@ -1,98 +0,0 @@
-"""
-Configuration loader for Gitea MCP Server.
-
-Implements hybrid configuration system:
-- System-level: ~/.config/claude/gitea.env (credentials)
-- Project-level: .env (repository specification)
-"""
-from pathlib import Path
-from dotenv import load_dotenv
-import os
-import logging
-from typing import Dict, Optional
-
-logging.basicConfig(level=logging.INFO)
-logger = logging.getLogger(__name__)
-
-
-class GiteaConfig:
-    """Hybrid configuration loader with mode detection"""
-
-    def __init__(self):
-        self.api_url: Optional[str] = None
-        self.api_token: Optional[str] = None
-        self.repo: Optional[str] = None
-        self.mode: str = 'project'
-
-    def load(self) -> Dict[str, Optional[str]]:
-        """
-        Load configuration from system and project levels.
-        Project-level configuration overrides system-level.
-
-        Returns:
-            Dict containing api_url, api_token, repo, mode
-
-        Raises:
-            FileNotFoundError: If system config is missing
-            ValueError: If required configuration is missing
-        """
-        # Load system config
-        system_config = Path.home() / '.config' / 'claude' / 'gitea.env'
-        if system_config.exists():
-            load_dotenv(system_config)
-            logger.info(f"Loaded system configuration from {system_config}")
-        else:
-            raise FileNotFoundError(
-                f"System config not found: {system_config}\n"
-                "Create it with: mkdir -p ~/.config/claude && "
-                "cat > ~/.config/claude/gitea.env"
-            )
-
-        # Load project config (overrides system)
-        project_config = Path.cwd() / '.env'
-        if project_config.exists():
-            load_dotenv(project_config, override=True)
-            logger.info(f"Loaded project configuration from {project_config}")
-
-        # Extract values
-        self.api_url = os.getenv('GITEA_API_URL')
-        self.api_token = os.getenv('GITEA_API_TOKEN')
-        self.repo = os.getenv('GITEA_REPO')  # Optional, must be owner/repo format
-
-        # Detect mode
-        if self.repo:
-            self.mode = 'project'
-            logger.info(f"Running in project mode: {self.repo}")
-        else:
-            self.mode = 'company'
-            logger.info("Running in company-wide mode (PMO)")
-
-        # Validate required variables
-        self._validate()
-
-        return {
-            'api_url': self.api_url,
-            'api_token': self.api_token,
-            'repo': self.repo,
-            'mode': self.mode
-        }
-
-    def _validate(self) -> None:
-        """
-        Validate that required configuration is present.
-
-        Raises:
-            ValueError: If required configuration is missing
-        """
-        required = {
-            'GITEA_API_URL': self.api_url,
-            'GITEA_API_TOKEN': self.api_token
-        }
-
-        missing = [key for key, value in required.items() if not value]
-
-        if missing:
-            raise ValueError(
-                f"Missing required configuration: {', '.join(missing)}\n"
-                "Check your ~/.config/claude/gitea.env file"
-            )