fix(env): add cuda path and fix quote escaping (#7)

* docs: update name of latest installer exe in download section

* fix(env): add CUDA path and fix quote escaping

* fix(env): add cuda path and fix quote escaping

---------

Co-authored-by: libing0526 <libqtweb@gmail.com>

Author: libing0526

src/parallax/cli/commands/base_command.h

@@ -210,6 +210,15 @@ class WSLCommand : public BaseCommand<Derived> {
                                                       command);
     }
 
+    // Build venv activation command with CUDA environment
+    std::string BuildVenvActivationCommand(const CommandContext& context) {
+        // Filter out Windows paths and add CUDA path
+        // Use single quotes and careful escaping for PowerShell/CMD compatibility
+        return "cd ~/parallax && "
+               "export PATH=/usr/local/cuda-12.8/bin:$(echo '$PATH' | tr ':' '\\n' | grep -v '/mnt/c' | paste -sd ':' -) && "
+               "source ./venv/bin/activate";
+    }
+
     // Escape arguments for safe passing through bash -c "..."
     // This prevents command injection and correctly handles spaces/special chars
     // Note: This is for WSL bash layer, not Windows PowerShell layer

src/parallax/cli/commands/cmd_command.cpp

@@ -130,22 +130,22 @@ std::string CmdCommand::BuildCommand(const CommandContext& context,
     std::string full_command;
 
     if (options.use_venv) {
-        // Execute in virtual environment
-        full_command = "cd ~/parallax && source ./venv/bin/activate";
+        // Execute in virtual environment with CUDA PATH
+        full_command = BuildVenvActivationCommand(context);
 
         // Add proxy support (similar to implementation in model_commands.cpp)
         if (!context.proxy_url.empty()) {
-            full_command += " && HTTP_PROXY=\"" + context.proxy_url +
-                            "\" HTTPS_PROXY=\"" + context.proxy_url + "\" " +
+            full_command += " && HTTP_PROXY='" + context.proxy_url +
+                            "' HTTPS_PROXY='" + context.proxy_url + "' " +
                             command;
         } else {
             full_command += " && " + command;
         }
     } else {
         // Execute directly in WSL
         if (!context.proxy_url.empty()) {
-            full_command = "HTTP_PROXY=\"" + context.proxy_url +
-                           "\" HTTPS_PROXY=\"" + context.proxy_url + "\" " +
+            full_command = "HTTP_PROXY='" + context.proxy_url +
+                           "' HTTPS_PROXY='" + context.proxy_url + "' " +
                            command;
         } else {
             full_command = command;

src/parallax/cli/commands/model_commands.cpp

@@ -40,14 +40,13 @@ bool ModelRunCommand::RunParallaxScript(const CommandContext& context) {
     // Build run command: parallax run [user parameters...]
     std::string run_command = BuildRunCommand(context);
 
-    // Build complete WSL command: cd ~/parallax && source ./venv/bin/activate
-    // && parallax run [args...]
-    std::string full_command = "cd ~/parallax && source ./venv/bin/activate";
+    // Build complete WSL command with venv activation and CUDA environment
+    std::string full_command = BuildVenvActivationCommand(context);
 
     // If proxy is configured, add proxy environment variables
     if (!context.proxy_url.empty()) {
-        full_command += " && HTTP_PROXY=\"" + context.proxy_url +
-                        "\" HTTPS_PROXY=\"" + context.proxy_url + "\" " +
+        full_command += " && HTTP_PROXY='" + context.proxy_url +
+                        "' HTTPS_PROXY='" + context.proxy_url + "' " +
                         run_command;
     } else {
         full_command += " && " + run_command;
@@ -95,14 +94,13 @@ CommandResult ModelJoinCommand::ExecuteImpl(const CommandContext& context) {
     // Build cluster join command: parallax join [user parameters...]
     std::string join_command = BuildJoinCommand(context);
 
-    // Build complete WSL command: cd ~/parallax && source ./venv/bin/activate
-    // && parallax join [args...]
-    std::string full_command = "cd ~/parallax && source ./venv/bin/activate";
+    // Build complete WSL command with venv activation and CUDA environment
+    std::string full_command = BuildVenvActivationCommand(context);
 
     // If proxy is configured, add proxy environment variables
     if (!context.proxy_url.empty()) {
-        full_command += " && HTTP_PROXY=\"" + context.proxy_url +
-                        "\" HTTPS_PROXY=\"" + context.proxy_url + "\" " +
+        full_command += " && HTTP_PROXY='" + context.proxy_url +
+                        "' HTTPS_PROXY='" + context.proxy_url + "' " +
                         join_command;
     } else {
         full_command += " && " + join_command;

src/parallax/environment/software_installer2.cpp

@@ -257,23 +257,11 @@ ComponentResult ParallaxProjectInstaller::Install() {
                           true);
 
     if (!is_update_mode) {
-        // Only install sgl_kernel during first installation (use real-time
-        // output)
-        std::string install_sgl_cmd =
-            "cd ~/parallax && source ./venv/bin/activate && pip install "
-            "https://github.com/sgl-project/whl/releases/download/v0.3.7/"
-            "sgl_kernel-0.3.7+cu128-cp310-abi3-manylinux2014_x86_64.whl "
-            "--force-reinstall";
-        if (!proxy_url.empty()) {
-            install_sgl_cmd =
-                "cd ~/parallax && source ./venv/bin/activate && HTTP_PROXY=\"" +
-                proxy_url + "\" HTTPS_PROXY=\"" + proxy_url +
-                "\" pip install "
-                " https://github.com/sgl-project/whl/releases/download/v0.3.7/"
-                "sgl_kernel-0.3.7+cu128-cp310-abi3-manylinux2014_x86_64.whl "
-                "--force-reinstall";
-        }
-        commands.emplace_back("install_sgl_kernel", install_sgl_cmd, 600, true);
+        // Add CUDA environment variable to system profile (only during first installation)
+        std::string add_cuda_env_cmd =
+            "grep -q '/usr/local/cuda-12.8/bin' ~/.bashrc || "
+            "echo 'export PATH=/usr/local/cuda-12.8/bin:$PATH' >> ~/.bashrc";
+        commands.emplace_back("add_cuda_env", add_cuda_env_cmd, 30, false);
     }
 
     // Execute command sequence