Add comprehensive configuration validator for Claude Desktop setup

validate_claude_config.bat

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+@echo off
+echo ======================================
+echo Dolibarr MCP - Configuration Validator
+echo ======================================
+echo.
+
+cd /d "C:\Users\gino\GitHub\dolibarr-mcp"
+
+echo Checking virtual environment...
+if exist "venv_dolibarr\Scripts\python.exe" (
+    echo ✓ Virtual environment found
+) else (
+    echo ✗ Virtual environment not found - creating...
+    python -m venv venv_dolibarr
+)
+
+echo.
+echo Activating virtual environment...
+call venv_dolibarr\Scripts\activate
+
+echo.
+echo Installing package in development mode...
+pip install -e . >nul 2>&1
+
+echo.
+echo Installing dependencies...
+pip install requests python-dotenv mcp aiohttp pydantic click typing-extensions >nul 2>&1
+
+echo.
+echo Testing module import paths...
+echo ----------------------------------------
+
+echo Test 1: Direct module import
+python -c "import sys; sys.path.insert(0, 'src'); from dolibarr_mcp import __version__; print(f'  ✓ Direct import works - version: {__version__}')" 2>nul
+if %errorlevel% neq 0 (
+    echo   ✗ Direct import failed
+)
+
+echo.
+echo Test 2: Module execution with -m flag
+python -m dolibarr_mcp.dolibarr_mcp_server --help >nul 2>&1
+if %errorlevel% neq 0 (
+    echo   ✗ Module execution failed
+    echo   Attempting fix...
+    cd src
+    python -m dolibarr_mcp.dolibarr_mcp_server --help >nul 2>&1
+    if %errorlevel% neq 0 (
+        echo   ✗ Still failing - checking Python path...
+        python -c "import sys; print('Python paths:'); [print(f'  {p}') for p in sys.path[:5]]"
+    ) else (
+        echo   ✓ Works when run from src directory
+    )
+    cd ..
+) else (
+    echo   ✓ Module execution works
+)
+
+echo.
+echo Test 3: Environment Variables
+echo ----------------------------------------
+python -c "import os; url=os.getenv('DOLIBARR_URL') or os.getenv('DOLIBARR_BASE_URL'); key=os.getenv('DOLIBARR_API_KEY'); print(f'  URL: {url[:30] if url else \"NOT SET\"}...'); print(f'  KEY: {\"*\" * 10 if key else \"NOT SET\"}')"
+
+echo.
+echo Test 4: Configuration for Claude Desktop
+echo ----------------------------------------
+echo Your configuration uses:
+echo   - Command: venv_dolibarr\Scripts\python.exe
+echo   - Args: -m dolibarr_mcp.dolibarr_mcp_server
+echo   - CWD: C:\Users\gino\GitHub\dolibarr-mcp
+echo   - ENV: DOLIBARR_BASE_URL and DOLIBARR_API_KEY
+
+echo.
+echo Validating this configuration...
+set DOLIBARR_BASE_URL=https://db.ginos.cloud/api/index.php/
+set DOLIBARR_API_KEY=7cxAAO835BF7bXy6DsQ2j2a7nT6ectGY
+
+python -c "from src.dolibarr_mcp.config import Config; c=Config(); print(f'  ✓ Config loads successfully'); print(f'  URL processed as: {c.dolibarr_url}')" 2>nul
+if %errorlevel% neq 0 (
+    echo   ✗ Config loading failed
+)
+
+echo.
+echo ========================================
+echo FINAL TEST: Running MCP server briefly
+echo ========================================
+timeout /t 1 >nul
+echo Starting server (will run for 3 seconds)...
+start /B python -m dolibarr_mcp.dolibarr_mcp_server 2>server_test.log
+timeout /t 3 >nul
+taskkill /F /IM python.exe >nul 2>&1
+
+if exist server_test.log (
+    echo.
+    echo Server output:
+    type server_test.log | findstr /C:"Starting Professional Dolibarr MCP server" >nul
+    if %errorlevel% equ 0 (
+        echo   ✓ Server starts successfully!
+    ) else (
+        echo   ✗ Server failed to start properly
+        echo   Check server_test.log for details
+    )
+    del server_test.log
+)
+
+echo.
+echo ========================================
+echo Configuration Status: READY
+echo ========================================
+echo.
+echo Your Claude Desktop config should work with:
+echo.
+echo {
+echo   "mcpServers": {
+echo     "dolibarr-python": {
+echo       "command": "C:\\Users\\gino\\GitHub\\dolibarr-mcp\\venv_dolibarr\\Scripts\\python.exe",
+echo       "args": ["-m", "dolibarr_mcp.dolibarr_mcp_server"],
+echo       "cwd": "C:\\Users\\gino\\GitHub\\dolibarr-mcp",
+echo       "env": {
+echo         "DOLIBARR_BASE_URL": "https://db.ginos.cloud/api/index.php/",
+echo         "DOLIBARR_API_KEY": "7cxAAO835BF7bXy6DsQ2j2a7nT6ectGY"
+echo       }
+echo     }
+echo   }
+echo }
+echo.
+pause