feat: Add Dev parameter to install development dependencies

Add the Docker parameter to build the Zen MCP server Docker imag

Add environnement detection (Python vs Docker) to configure the MCP server command in MCP client settings

run-server.ps1

@@ -40,6 +40,9 @@
 .PARAMETER VerboseOutput
     Enables more detailed output (currently unused).
 
+.PARAMETER Dev
+    Installs development dependencies from requirements-dev.txt if available.
+
 .EXAMPLE
     .\run-server.ps1
     Prepares the environment and starts the Zen MCP server.
@@ -50,6 +53,9 @@
     .\run-server.ps1 -Config
     Shows configuration instructions for clients.
 
+    .\run-server.ps1 -Dev
+    Prepares the environment with development dependencies and starts the server.
+
 .NOTES
     Project Author     : BeehiveInnovations
     Script Author      : GiGiDKR (https://github.com/GiGiDKR)
@@ -69,7 +75,8 @@ param(
     [switch]$SkipVenv,
     [switch]$SkipDocker,
     [switch]$Force,
-    [switch]$VerboseOutput
+    [switch]$VerboseOutput,
+    [switch]$Dev
 )
 
 # ============================================================================
@@ -619,10 +626,18 @@ function Initialize-VirtualEnvironment {
 
 # Install dependencies function
 function Install-Dependencies {
-    param([string]$PythonPath = "")
+    param(
+        [string]$PythonPath = "",
+        [switch]$InstallDevDependencies = $false
+    )
     
+    Write-Step "Installing Dependencies"
+    
+    # If this is a legacy call without parameters, handle the global $Dev parameter
     if ($PythonPath -eq "" -or $args.Count -eq 0) {
-        # Legacy call without parameters
+        $InstallDevDependencies = $Dev
+        
+        # Legacy call without parameters - use pip
         $pipCmd = if (Test-Path "$VENV_PATH\Scripts\pip.exe") {
             "$VENV_PATH\Scripts\pip.exe"
         } elseif (Test-Command "pip") {
@@ -632,8 +647,7 @@ function Install-Dependencies {
             exit 1
         }
         
-        Write-Step "Installing Dependencies"
+        Write-Info "Installing Python dependencies with pip..."
-        Write-Info "Installing Python dependencies..."
         
         try {
             # Install main dependencies
@@ -642,14 +656,17 @@ function Install-Dependencies {
                 throw "Failed to install main dependencies"
             }
             
-            # Install dev dependencies if file exists
+            # Install dev dependencies if requested and file exists
-            if (Test-Path "requirements-dev.txt") {
+            if ($InstallDevDependencies -and (Test-Path "requirements-dev.txt")) {
+                Write-Info "Installing development dependencies..."
                 & $pipCmd install -r requirements-dev.txt
                 if ($LASTEXITCODE -ne 0) {
                     Write-Warning "Failed to install dev dependencies, continuing..."
                 } else {
                     Write-Success "Development dependencies installed"
                 }
+            } elseif ($InstallDevDependencies -and !(Test-Path "requirements-dev.txt")) {
+                Write-Warning "Development dependencies requested but requirements-dev.txt not found"
             }
             
             Write-Success "Dependencies installed successfully"
@@ -660,15 +677,30 @@ function Install-Dependencies {
         return
     }
     
-    # Version with parameter - use uv or pip
+    # New version with parameter - handle global $Dev parameter if not explicitly passed
-    Write-Step "Installing Dependencies"
+    if ($args.Count -eq 1 -and $args[0] -is [string]) {
+        $InstallDevDependencies = $Dev
+    }
     
-    # Try uv first
+    # Try uv first for faster package management
     if (Test-Uv) {
         Write-Info "Installing dependencies with uv..."
         try {
             uv pip install -r requirements.txt
             if ($LASTEXITCODE -eq 0) {
+                # Install dev dependencies if requested and file exists
+                if ($InstallDevDependencies -and (Test-Path "requirements-dev.txt")) {
+                    Write-Info "Installing development dependencies with uv..."
+                    uv pip install -r requirements-dev.txt
+                    if ($LASTEXITCODE -eq 0) {
+                        Write-Success "Development dependencies installed with uv"
+                    } else {
+                        Write-Warning "Failed to install dev dependencies with uv, continuing..."
+                    }
+                } elseif ($InstallDevDependencies -and !(Test-Path "requirements-dev.txt")) {
+                    Write-Warning "Development dependencies requested but requirements-dev.txt not found"
+                }
+                
                 Write-Success "Dependencies installed with uv"
                 return
             }
@@ -698,14 +730,17 @@ function Install-Dependencies {
         throw "Failed to install main dependencies"
     }
     
-    # Install dev dependencies if file exists
+    # Install dev dependencies if requested and file exists
-    if (Test-Path "requirements-dev.txt") {
+    if ($InstallDevDependencies -and (Test-Path "requirements-dev.txt")) {
+        Write-Info "Installing development dependencies with pip..."
         & $pipCmd install -r requirements-dev.txt
         if ($LASTEXITCODE -eq 0) {
             Write-Success "Development dependencies installed"
         } else {
             Write-Warning "Failed to install dev dependencies, continuing..."
         }
+    } elseif ($InstallDevDependencies -and !(Test-Path "requirements-dev.txt")) {
+        Write-Warning "Development dependencies requested but requirements-dev.txt not found"
     }
     
     Write-Success "Dependencies installed successfully"
@@ -1797,7 +1832,7 @@ function Start-MainProcess {
     
     # Step 6: Install dependencies
     try {
-        Install-Dependencies $pythonPath
+        Install-Dependencies $pythonPath -InstallDevDependencies:$Dev
     } catch {
         Write-Error "Failed to install dependencies: $_"
         exit 1