fixes for windows monitoring, fix comfyui to run on windows

src/constants/index.ts

@@ -72,6 +72,9 @@ export const GITHUB_API = {
   get COMFYUI_DOWNLOAD_URL() {
     return `https://github.com/${this.COMFYUI_REPO}/archive/refs/heads/master.zip`;
   },
+  get COMFYUI_LATEST_COMMIT_URL() {
+    return `${this.BASE_URL}/repos/${this.COMFYUI_REPO}/commits/master`;
+  },
 } as const;
 
 export const ASSET_SUFFIXES = {

src/hooks/useInterfaceSelection.ts

@@ -1,41 +1,23 @@
-import { useState, useEffect } from 'react';
+import { useEffect } from 'react';
 import { useLaunchConfigStore } from '@/stores/launchConfig';
+import { useFrontendPreferenceStore } from '@/stores/frontendPreference';
 import {
   getAvailableInterfaceOptions,
   getDefaultInterfaceTab,
   getServerInterfaceInfo,
 } from '@/utils/interface';
-import { safeExecute } from '@/utils/logger';
-import type { FrontendPreference } from '@/types';
 
 export function useFrontendPreference() {
-  const [frontendPreference, setFrontendPreference] =
+  const { frontendPreference, setFrontendPreference, loadFromConfig } =
-    useState<FrontendPreference>('koboldcpp');
+    useFrontendPreferenceStore();
 
   useEffect(() => {
-    const loadPreference = async () => {
+    loadFromConfig();
-      await safeExecute(async () => {
+  }, [loadFromConfig]);
-        const preference = (await window.electronAPI.config.get(
-          'frontendPreference'
-        )) as FrontendPreference;
-
-        setFrontendPreference(preference || 'koboldcpp');
-      }, 'Error loading frontend preference:');
-    };
-
-    loadPreference();
-  }, []);
-
-  const updateFrontendPreference = async (preference: FrontendPreference) => {
-    setFrontendPreference(preference);
-    await safeExecute(async () => {
-      await window.electronAPI.config.set('frontendPreference', preference);
-    }, 'Error saving frontend preference:');
-  };
 
   return {
     frontendPreference,
-    setFrontendPreference: updateFrontendPreference,
+    setFrontendPreference,
   };
 }
 

src/main/modules/comfyui.ts

@@ -14,8 +14,83 @@ import { getAppVersion, ensureDir } from '@/utils/node/fs';
 import { getGPUData } from '@/utils/node/gpu';
 import { getUvEnvironment } from './dependencies';
 
+interface ComfyUIVersionInfo {
+  sha: string;
+  date: string;
+}
+
+async function getLatestComfyUIVersion(): Promise<ComfyUIVersionInfo | null> {
+  try {
+    const response = await fetch(GITHUB_API.COMFYUI_LATEST_COMMIT_URL);
+    if (!response.ok) {
+      throw new Error(
+        `Failed to fetch ComfyUI version: ${response.statusText}`
+      );
+    }
+
+    const data = await response.json();
+    return {
+      sha: data.sha,
+      date: data.commit.committer.date,
+    };
+  } catch (error) {
+    logError(
+      'Failed to fetch latest ComfyUI version',
+      error instanceof Error ? error : undefined
+    );
+    return null;
+  }
+}
+
+async function getCurrentComfyUIVersion(
+  workspaceDir: string
+): Promise<ComfyUIVersionInfo | null> {
+  try {
+    const fs = await import('fs/promises');
+    const versionFile = join(workspaceDir, '.version.json');
+    const content = await fs.readFile(versionFile, 'utf-8');
+    return JSON.parse(content);
+  } catch {
+    return null;
+  }
+}
+
+async function saveComfyUIVersion(
+  workspaceDir: string,
+  version: ComfyUIVersionInfo
+): Promise<void> {
+  try {
+    const fs = await import('fs/promises');
+    const versionFile = join(workspaceDir, '.version.json');
+    await fs.writeFile(versionFile, JSON.stringify(version, null, 2));
+  } catch (error) {
+    logError(
+      'Failed to save ComfyUI version info',
+      error instanceof Error ? error : undefined
+    );
+  }
+}
+
+async function shouldUpdateComfyUI(workspaceDir: string): Promise<boolean> {
+  const current = await getCurrentComfyUIVersion(workspaceDir);
+  const latest = await getLatestComfyUIVersion();
+
+  if (!current || !latest) {
+    return false;
+  }
+
+  return current.sha !== latest.sha;
+}
+
 let comfyUIProcess: ChildProcess | null = null;
 
+function getPythonPath(workspaceDir: string): string {
+  const isWindows = process.platform === 'win32';
+  const pythonExecutable = isWindows ? 'python.exe' : 'python';
+  const scriptsDir = isWindows ? 'Scripts' : 'bin';
+  return join(workspaceDir, '.venv', scriptsDir, pythonExecutable);
+}
+
 process.on('SIGINT', () => {
   void cleanup();
 });
@@ -24,6 +99,19 @@ process.on('SIGTERM', () => {
   void cleanup();
 });
 
+async function shouldForceCPUMode(): Promise<boolean> {
+  try {
+    const gpus = await getGPUData();
+    const hasAMD = gpus.some((gpu) => gpu.deviceName.includes('AMD'));
+    const hasNVIDIA = gpus.some((gpu) => gpu.deviceName.includes('NVIDIA'));
+    const isWindows = process.platform === 'win32';
+
+    return (hasAMD && isWindows) || (!hasAMD && !hasNVIDIA);
+  } catch {
+    return true;
+  }
+}
+
 async function getPyTorchInstallArgs(pythonPath: string) {
   const args = [
     'pip',
@@ -39,8 +127,9 @@ async function getPyTorchInstallArgs(pythonPath: string) {
     const gpus = await getGPUData();
     const hasAMD = gpus.some((gpu) => gpu.deviceName.includes('AMD'));
     const hasNVIDIA = gpus.some((gpu) => gpu.deviceName.includes('NVIDIA'));
+    const isWindows = process.platform === 'win32';
 
-    if (hasAMD) {
+    if (hasAMD && !isWindows) {
       sendKoboldOutput(
         'AMD GPU detected, installing PyTorch with ROCm support...'
       );
@@ -51,9 +140,15 @@ async function getPyTorchInstallArgs(pythonPath: string) {
       );
       args.push('--extra-index-url', 'https://download.pytorch.org/whl/cu121');
     } else {
-      sendKoboldOutput(
+      if (hasAMD && isWindows) {
-        'No dedicated GPU detected, installing CPU-only PyTorch...'
+        sendKoboldOutput(
-      );
+          'AMD GPU detected on Windows, installing CPU PyTorch (ROCm not available on Windows)...'
+        );
+      } else {
+        sendKoboldOutput(
+          'No dedicated GPU detected, installing CPU-only PyTorch...'
+        );
+      }
       args.push('--index-url', 'https://download.pytorch.org/whl/cpu');
     }
   } catch {
@@ -63,6 +158,332 @@ async function getPyTorchInstallArgs(pythonPath: string) {
   return args;
 }
 
+async function downloadAndExtractComfyUI(workspaceDir: string): Promise<void> {
+  sendKoboldOutput('Downloading ComfyUI...');
+
+  const response = await fetch(GITHUB_API.COMFYUI_DOWNLOAD_URL);
+  if (!response.ok) {
+    throw new Error(`Failed to download ComfyUI: ${response.statusText}`);
+  }
+
+  const fs = await import('fs/promises');
+  const path = await import('path');
+  const { createWriteStream } = await import('fs');
+
+  const zipPath = path.join(workspaceDir, 'comfyui.zip');
+  const stream = createWriteStream(zipPath);
+
+  if (response.body) {
+    const reader = response.body.getReader();
+    const pump = async (): Promise<void> => {
+      const { done, value } = await reader.read();
+      if (done) {
+        stream.end();
+        return;
+      }
+      stream.write(Buffer.from(value));
+      return pump();
+    };
+    await pump();
+
+    await new Promise<void>((resolve, reject) => {
+      stream.on('finish', resolve);
+      stream.on('error', reject);
+    });
+  }
+
+  const zipStats = await fs.stat(zipPath);
+  sendKoboldOutput(
+    `ComfyUI downloaded (${Math.round(zipStats.size / 1024 / 1024)}MB), extracting...`
+  );
+
+  await new Promise<void>((resolve, reject) => {
+    yauzl.open(zipPath, { lazyEntries: true }, (err, zipfile) => {
+      if (err) {
+        reject(err);
+        return;
+      }
+
+      zipfile!.readEntry();
+      zipfile!.on('entry', (entry) => {
+        const entryPath = entry.fileName;
+        const destPath = path.join(
+          workspaceDir,
+          entryPath.replace(/^[^/]+\//, '')
+        );
+
+        if (/\/$/.test(entryPath)) {
+          fs.mkdir(destPath, { recursive: true })
+            .then(() => zipfile!.readEntry())
+            .catch(reject);
+        } else {
+          zipfile!.openReadStream(entry, (err, readStream) => {
+            if (err) {
+              reject(err);
+              return;
+            }
+
+            fs.mkdir(path.dirname(destPath), { recursive: true })
+              .then(() => {
+                const writeStream = createWriteStream(destPath);
+                readStream!.pipe(writeStream);
+                writeStream.on('close', () => zipfile!.readEntry());
+                writeStream.on('error', reject);
+              })
+              .catch(reject);
+          });
+        }
+      });
+
+      zipfile!.on('end', () => {
+        fs.unlink(zipPath)
+          .then(() => resolve())
+          .catch(reject);
+      });
+    });
+  });
+
+  sendKoboldOutput('ComfyUI extracted successfully');
+
+  const latestVersion = await getLatestComfyUIVersion();
+  if (latestVersion) {
+    await saveComfyUIVersion(workspaceDir, latestVersion);
+  }
+}
+
+async function installDependencies(
+  workspaceDir: string,
+  env: Record<string, string | undefined>
+): Promise<void> {
+  const fs = await import('fs/promises');
+
+  sendKoboldOutput('Installing ComfyUI dependencies...');
+
+  const requirementsPath = join(workspaceDir, 'requirements.txt');
+  const requirementsExists = await fs
+    .access(requirementsPath)
+    .then(() => true)
+    .catch(() => false);
+
+  if (!requirementsExists) {
+    throw new Error('requirements.txt not found in ComfyUI directory');
+  }
+
+  const pythonPath = getPythonPath(workspaceDir);
+  const torchInstallArgs = await getPyTorchInstallArgs(pythonPath);
+
+  const torchInstallProcess = spawn('uv', torchInstallArgs, {
+    stdio: 'pipe',
+    env,
+  });
+
+  return new Promise<void>((resolve, reject) => {
+    torchInstallProcess.on('exit', (torchCode: number | null) => {
+      if (torchCode === 0) {
+        sendKoboldOutput(
+          'PyTorch installed successfully, installing remaining dependencies...'
+        );
+
+        const pipInstallProcess = spawn(
+          'uv',
+          [
+            'pip',
+            'install',
+            '--python',
+            getPythonPath(workspaceDir),
+            '-r',
+            requirementsPath,
+          ],
+          {
+            stdio: 'pipe',
+            env,
+          }
+        );
+
+        pipInstallProcess.on('exit', (pipCode: number | null) => {
+          if (pipCode === 0) {
+            sendKoboldOutput('ComfyUI dependencies installed successfully');
+
+            const verifyProcess = spawn(
+              getPythonPath(workspaceDir),
+              [
+                '-c',
+                'import torch; print("PyTorch version:", torch.__version__)',
+              ],
+              {
+                stdio: 'pipe',
+                env,
+              }
+            );
+
+            verifyProcess.on('exit', (verifyCode: number | null) => {
+              if (verifyCode === 0) {
+                sendKoboldOutput('ComfyUI installation verified successfully');
+                resolve();
+              } else {
+                reject(
+                  new Error(
+                    `ComfyUI verification failed with code ${verifyCode}`
+                  )
+                );
+              }
+            });
+
+            verifyProcess.on('error', (error) => {
+              reject(error);
+            });
+
+            if (verifyProcess.stdout) {
+              verifyProcess.stdout.on('data', (data: Buffer) => {
+                sendKoboldOutput(data.toString('utf8'), true);
+              });
+            }
+
+            if (verifyProcess.stderr) {
+              verifyProcess.stderr.on('data', (data: Buffer) => {
+                sendKoboldOutput(
+                  `Verify Error: ${data.toString('utf8')}`,
+                  true
+                );
+              });
+            }
+          } else {
+            reject(
+              new Error(`Dependency installation failed with code ${pipCode}`)
+            );
+          }
+        });
+
+        pipInstallProcess.on('error', (error) => {
+          reject(error);
+        });
+
+        if (pipInstallProcess.stdout) {
+          pipInstallProcess.stdout.on('data', (data: Buffer) => {
+            sendKoboldOutput(data.toString('utf8'), true);
+          });
+        }
+
+        if (pipInstallProcess.stderr) {
+          pipInstallProcess.stderr.on('data', (data: Buffer) => {
+            sendKoboldOutput(data.toString('utf8'), true);
+          });
+        }
+      } else {
+        reject(new Error(`PyTorch installation failed with code ${torchCode}`));
+      }
+    });
+
+    torchInstallProcess.on('error', (error) => {
+      reject(error);
+    });
+
+    if (torchInstallProcess.stdout) {
+      torchInstallProcess.stdout.on('data', (data: Buffer) => {
+        sendKoboldOutput(data.toString('utf8'), true);
+      });
+    }
+
+    if (torchInstallProcess.stderr) {
+      torchInstallProcess.stderr.on('data', (data: Buffer) => {
+        sendKoboldOutput(data.toString('utf8'), true);
+      });
+    }
+  });
+}
+
+async function installComfyUI(workspaceDir: string): Promise<void> {
+  const env = await getUvEnvironment();
+
+  sendKoboldOutput('Creating virtual environment...');
+
+  const installProcess = spawn(
+    'uv',
+    ['venv', '--python', '3.11', join(workspaceDir, '.venv')],
+    {
+      stdio: 'pipe',
+      env,
+    }
+  );
+
+  return new Promise<void>((resolve, reject) => {
+    installProcess.on('exit', async (code) => {
+      if (code === 0) {
+        try {
+          await downloadAndExtractComfyUI(workspaceDir);
+          await installDependencies(workspaceDir, env);
+          resolve();
+        } catch (error) {
+          reject(error instanceof Error ? error : new Error(String(error)));
+        }
+      } else {
+        reject(
+          new Error(`Virtual environment creation failed with code ${code}`)
+        );
+      }
+    });
+
+    installProcess.on('error', (error) => {
+      reject(error);
+    });
+
+    if (installProcess.stdout) {
+      installProcess.stdout.on('data', (data: Buffer) => {
+        sendKoboldOutput(data.toString('utf8'), true);
+      });
+    }
+
+    if (installProcess.stderr) {
+      installProcess.stderr.on('data', (data: Buffer) => {
+        sendKoboldOutput(data.toString('utf8'), true);
+      });
+    }
+  });
+}
+
+async function updateComfyUI(workspaceDir: string): Promise<void> {
+  const fs = await import('fs/promises');
+
+  const backupDir = join(workspaceDir, 'backup');
+  await ensureDir(backupDir);
+
+  const filesToBackup = ['main.py', 'requirements.txt'];
+  const backupPromises = filesToBackup.map(async (file) => {
+    const srcPath = join(workspaceDir, file);
+    const destPath = join(backupDir, file);
+    try {
+      await fs.copyFile(srcPath, destPath);
+    } catch (error) {
+      void error;
+    }
+  });
+
+  await Promise.all(backupPromises);
+
+  try {
+    await downloadAndExtractComfyUI(workspaceDir);
+    sendKoboldOutput('ComfyUI updated successfully');
+
+    await fs.rm(backupDir, { recursive: true, force: true });
+  } catch (error) {
+    sendKoboldOutput('Update failed, restoring backup...');
+
+    const restorePromises = filesToBackup.map(async (file) => {
+      const srcPath = join(backupDir, file);
+      const destPath = join(workspaceDir, file);
+      try {
+        await fs.copyFile(srcPath, destPath);
+      } catch (error) {
+        void error;
+      }
+    });
+
+    await Promise.all(restorePromises);
+    await fs.rm(backupDir, { recursive: true, force: true });
+    throw error;
+  }
+}
+
 async function ensureComfyUIInstalled() {
   const installDir = getInstallDir();
   const comfyUIWorkspace = join(installDir, 'comfyui-workspace');
@@ -74,325 +495,21 @@ async function ensureComfyUIInstalled() {
     .then(() => true)
     .catch(() => false);
 
+  const needsUpdate =
+    isComfyUIInstalled && (await shouldUpdateComfyUI(comfyUIWorkspace));
+
   if (!isComfyUIInstalled) {
-    sendKoboldOutput('ComfyUI not found, installing via uv...');
+    sendKoboldOutput('ComfyUI not found, installing...');
-
+    await installComfyUI(comfyUIWorkspace);
-    const env = await getUvEnvironment();
+  } else if (needsUpdate) {
-
+    sendKoboldOutput('ComfyUI update available, updating...');
-    sendKoboldOutput(
+    await updateComfyUI(comfyUIWorkspace);
-      'Creating virtual environment and installing ComfyUI dependencies...'
-    );
-
-    const installProcess = spawn(
-      'uv',
-      ['venv', '--python', '3.11', join(comfyUIWorkspace, '.venv')],
-      {
-        stdio: 'pipe',
-        env,
-      }
-    );
-
-    return new Promise<void>((resolve, reject) => {
-      installProcess.on('exit', async (code) => {
-        if (code === 0) {
-          try {
-            sendKoboldOutput(
-              'Virtual environment created, downloading ComfyUI...'
-            );
-
-            const response = await fetch(GITHUB_API.COMFYUI_DOWNLOAD_URL);
-            if (!response.ok) {
-              throw new Error(
-                `Failed to download ComfyUI: ${response.statusText}`
-              );
-            }
-
-            const fs = await import('fs/promises');
-            const path = await import('path');
-            const { createWriteStream } = await import('fs');
-
-            const zipPath = path.join(comfyUIWorkspace, 'comfyui.zip');
-            const stream = createWriteStream(zipPath);
-
-            if (response.body) {
-              const reader = response.body.getReader();
-              const pump = async (): Promise<void> => {
-                const { done, value } = await reader.read();
-                if (done) {
-                  stream.end();
-                  return;
-                }
-                stream.write(Buffer.from(value));
-                return pump();
-              };
-              await pump();
-
-              await new Promise<void>((resolve, reject) => {
-                stream.on('finish', resolve);
-                stream.on('error', reject);
-              });
-            }
-
-            const zipStats = await fs.stat(zipPath);
-            sendKoboldOutput(
-              `ComfyUI downloaded (${Math.round(zipStats.size / 1024 / 1024)}MB), extracting...`
-            );
-
-            try {
-              await new Promise<void>((resolve, reject) => {
-                yauzl.open(zipPath, { lazyEntries: true }, (err, zipfile) => {
-                  if (err) {
-                    reject(err);
-                    return;
-                  }
-
-                  if (!zipfile) {
-                    reject(new Error('Failed to open zip file'));
-                    return;
-                  }
-
-                  zipfile.readEntry();
-
-                  zipfile.on('entry', (entry) => {
-                    if (/\/$/.test(entry.fileName)) {
-                      zipfile.readEntry();
-                    } else {
-                      zipfile.openReadStream(entry, (err, readStream) => {
-                        if (err) {
-                          reject(err);
-                          return;
-                        }
-
-                        if (!readStream) {
-                          reject(new Error('Failed to create read stream'));
-                          return;
-                        }
-
-                        const fileName = entry.fileName.replace(/^[^/]+\//, '');
-                        const outputPath = path.join(
-                          comfyUIWorkspace,
-                          fileName
-                        );
-
-                        fs.mkdir(path.dirname(outputPath), { recursive: true })
-                          .then(() => {
-                            const writeStream = createWriteStream(outputPath);
-                            readStream.pipe(writeStream);
-
-                            writeStream.on('close', () => {
-                              zipfile.readEntry();
-                            });
-
-                            writeStream.on('error', reject);
-                          })
-                          .catch(reject);
-                      });
-                    }
-                  });
-
-                  zipfile.on('end', () => {
-                    resolve();
-                  });
-
-                  zipfile.on('error', reject);
-                });
-              });
-
-              // eslint-disable-next-line no-restricted-syntax
-              await fs.unlink(zipPath);
-
-              sendKoboldOutput('ComfyUI extracted, installing dependencies...');
-
-              const requirementsPath = join(
-                comfyUIWorkspace,
-                'requirements.txt'
-              );
-              const requirementsExists = await fs
-                .access(requirementsPath)
-                .then(() => true)
-                .catch(() => false);
-
-              if (!requirementsExists) {
-                throw new Error(
-                  'requirements.txt not found in ComfyUI directory'
-                );
-              }
-
-              const pythonPath = join(
-                comfyUIWorkspace,
-                '.venv',
-                'bin',
-                'python'
-              );
-              const torchInstallArgs = await getPyTorchInstallArgs(pythonPath);
-
-              const torchInstallProcess = spawn('uv', torchInstallArgs, {
-                stdio: 'pipe',
-                env,
-              });
-
-              torchInstallProcess.on('exit', (torchCode: number | null) => {
-                if (torchCode === 0) {
-                  sendKoboldOutput(
-                    'PyTorch with ROCm installed, installing remaining dependencies...'
-                  );
-
-                  const pipInstallProcess = spawn(
-                    'uv',
-                    [
-                      'pip',
-                      'install',
-                      '--python',
-                      join(comfyUIWorkspace, '.venv', 'bin', 'python'),
-                      '-r',
-                      requirementsPath,
-                    ],
-                    {
-                      stdio: 'pipe',
-                      env,
-                    }
-                  );
-
-                  pipInstallProcess.on('exit', async (pipCode) => {
-                    if (pipCode === 0) {
-                      sendKoboldOutput(
-                        'Dependencies installation completed, verifying...'
-                      );
-
-                      const verifyProcess = spawn(
-                        join(comfyUIWorkspace, '.venv', 'bin', 'python'),
-                        [
-                          '-c',
-                          'import einops; print("einops found:", einops.__version__)',
-                        ],
-                        {
-                          stdio: 'pipe',
-                          env,
-                        }
-                      );
-
-                      verifyProcess.on('exit', (verifyCode) => {
-                        if (verifyCode === 0) {
-                          sendKoboldOutput('ComfyUI installed successfully!');
-                          resolve();
-                        } else {
-                          sendKoboldOutput(
-                            'Warning: einops verification failed, but continuing...'
-                          );
-                          resolve();
-                        }
-                      });
-
-                      if (verifyProcess.stdout) {
-                        verifyProcess.stdout.on('data', (data: Buffer) => {
-                          sendKoboldOutput(
-                            `Verify: ${data.toString('utf8')}`,
-                            true
-                          );
-                        });
-                      }
-
-                      if (verifyProcess.stderr) {
-                        verifyProcess.stderr.on('data', (data: Buffer) => {
-                          sendKoboldOutput(
-                            `Verify Error: ${data.toString('utf8')}`,
-                            true
-                          );
-                        });
-                      }
-                    } else {
-                      reject(
-                        new Error(
-                          `Dependency installation failed with code ${pipCode}`
-                        )
-                      );
-                    }
-                  });
-
-                  pipInstallProcess.on('error', (error) => {
-                    reject(error);
-                  });
-
-                  if (pipInstallProcess.stdout) {
-                    pipInstallProcess.stdout.on('data', (data: Buffer) => {
-                      sendKoboldOutput(data.toString('utf8'), true);
-                    });
-                  }
-
-                  if (pipInstallProcess.stderr) {
-                    pipInstallProcess.stderr.on('data', (data: Buffer) => {
-                      sendKoboldOutput(data.toString('utf8'), true);
-                    });
-                  }
-                } else {
-                  reject(
-                    new Error(
-                      `PyTorch installation failed with code ${torchCode}`
-                    )
-                  );
-                }
-              });
-
-              torchInstallProcess.on('error', (error) => {
-                reject(error);
-              });
-
-              if (torchInstallProcess.stdout) {
-                torchInstallProcess.stdout.on('data', (data: Buffer) => {
-                  sendKoboldOutput(data.toString('utf8'), true);
-                });
-              }
-
-              if (torchInstallProcess.stderr) {
-                torchInstallProcess.stderr.on('data', (data: Buffer) => {
-                  sendKoboldOutput(data.toString('utf8'), true);
-                });
-              }
-            } catch (error) {
-              reject(
-                new Error(
-                  `Failed to extract ComfyUI: ${error instanceof Error ? error.message : String(error)}`
-                )
-              );
-            }
-          } catch (error) {
-            reject(
-              new Error(
-                `Failed to download ComfyUI: ${error instanceof Error ? error.message : String(error)}`
-              )
-            );
-          }
-        } else {
-          reject(
-            new Error(`Virtual environment creation failed with code ${code}`)
-          );
-        }
-      });
-
-      installProcess.on('error', (error) => {
-        reject(error);
-      });
-
-      if (installProcess.stdout) {
-        installProcess.stdout.on('data', (data: Buffer) => {
-          sendKoboldOutput(data.toString('utf8'), true);
-        });
-      }
-
-      if (installProcess.stderr) {
-        installProcess.stderr.on('data', (data: Buffer) => {
-          sendKoboldOutput(data.toString('utf8'), true);
-        });
-      }
-    });
   } else {
-    sendKoboldOutput('ComfyUI found in workspace');
+    sendKoboldOutput('ComfyUI found in workspace and up to date');
   }
 }
 
 async function waitForComfyUIToStart() {
-  sendKoboldOutput('Waiting for ComfyUI to start...');
-
   return new Promise<void>((resolve, reject) => {
     const checkForOutput = (data: Buffer) => {
       const output = data.toString();
@@ -420,106 +537,80 @@ export async function startFrontend(args: string[]) {
       name: 'comfyui',
       port: COMFYUI.PORT,
     };
-    const {
+    const { host: koboldHost, port: koboldPort } = parseKoboldConfig(args);
-      host: koboldHost,
-      port: koboldPort,
-      isImageMode,
-    } = parseKoboldConfig(args);
 
-    if (!isImageMode) {
+    sendKoboldOutput(`Starting ComfyUI frontend on port ${config.port}...`);
-      throw new Error('ComfyUI requires image generation mode to be enabled');
-    }
-
-    const [, appVersion] = await Promise.all([stopFrontend(), getAppVersion()]);
-
-    sendKoboldOutput(
-      `Preparing ComfyUI to connect at ${koboldHost}:${koboldPort} for image generation...`
-    );
-
-    const koboldUrl = `http://${koboldHost}:${koboldPort}`;
 
     await ensureComfyUIInstalled();
 
     const installDir = getInstallDir();
-    const comfyUIDataDir = join(installDir, 'comfyui-data');
     const comfyUIWorkspace = join(installDir, 'comfyui-workspace');
-    const comfyUIMainPath = join(comfyUIWorkspace, 'main.py');
+    const pythonPath = getPythonPath(comfyUIWorkspace);
-
-    await Promise.all([ensureDir(comfyUIDataDir), ensureDir(comfyUIWorkspace)]);
 
     const comfyUIArgs = [
-      comfyUIMainPath,
+      join(comfyUIWorkspace, 'main.py'),
       '--port',
       config.port.toString(),
-      '--disable-auto-launch',
+      '--enable-cors-header',
-      '--listen',
-      '0.0.0.0',
     ];
 
-    sendKoboldOutput('Starting ComfyUI directly...');
+    const forceCPU = await shouldForceCPUMode();
+    if (forceCPU) {
+      comfyUIArgs.push('--cpu');
+      sendKoboldOutput(
+        'Forcing ComfyUI to use CPU mode (no compatible GPU acceleration available)'
+      );
+    }
 
-    const envConfig: Record<string, string> = {
+    if (koboldHost && koboldPort) {
-      KOBOLDCPP_API_URL: `${koboldUrl}/comfyapi/v1`,
+      sendKoboldOutput(
-      USER_AGENT: `Gerbil/${appVersion}`,
+        `Connecting to KoboldCpp at ${koboldHost}:${koboldPort}`
-    };
+      );
+    }
 
-    const env = await getUvEnvironment();
+    sendKoboldOutput(`Running ComfyUI with Python: ${pythonPath}`);
-    Object.assign(env, envConfig);
+    sendKoboldOutput(`ComfyUI args: ${comfyUIArgs.join(' ')}`);
 
-    const pythonPath = join(comfyUIWorkspace, '.venv', 'bin', 'python');
     comfyUIProcess = spawn(pythonPath, comfyUIArgs, {
-      stdio: 'pipe',
-      env,
       cwd: comfyUIWorkspace,
+      stdio: 'pipe',
     });
 
+    const version = await getAppVersion();
+    sendKoboldOutput(`ComfyUI started via Gerbil v${version}`);
+
     if (comfyUIProcess.stdout) {
       comfyUIProcess.stdout.on('data', (data: Buffer) => {
-        try {
+        sendKoboldOutput(data.toString('utf8'), true);
-          const output = data.toString('utf8');
-          sendKoboldOutput(output, true);
-        } catch (error) {
-          logError('Error processing stdout data:', error as Error);
-        }
       });
     }
 
     if (comfyUIProcess.stderr) {
       comfyUIProcess.stderr.on('data', (data: Buffer) => {
-        try {
+        sendKoboldOutput(data.toString('utf8'), true);
-          const output = data.toString('utf8');
-          sendKoboldOutput(output, true);
-        } catch (error) {
-          logError('Error processing stderr data:', error as Error);
-        }
       });
     }
 
     comfyUIProcess.on('exit', (code: number | null, signal: string | null) => {
-      const message = signal
+      if (code === null && signal) {
-        ? `ComfyUI terminated with signal ${signal}`
+        sendKoboldOutput(`ComfyUI process terminated by signal: ${signal}`);
-        : `ComfyUI exited with code ${code}`;
+      } else {
-      sendKoboldOutput(message);
+        sendKoboldOutput(`ComfyUI process exited with code: ${code}`);
+      }
       comfyUIProcess = null;
     });
 
-    comfyUIProcess.on('error', (error) => {
+    comfyUIProcess.on('error', (error: Error) => {
-      logError('ComfyUI process error:', error);
+      logError('ComfyUI process error', error);
-      sendKoboldOutput(`ComfyUI error: ${error.message}`);
       comfyUIProcess = null;
     });
 
     await waitForComfyUIToStart();
-
-    sendKoboldOutput(`ComfyUI is ready and auto-configured!`);
-    sendKoboldOutput(`Access ComfyUI at: http://localhost:${config.port}`);
-    sendKoboldOutput(
-      `Image Generation API: ${koboldUrl}/comfyapi/v1 (auto-configured)`
-    );
   } catch (error) {
-    logError('Failed to start ComfyUI frontend:', error as Error);
+    logError(
-    sendKoboldOutput(`Failed to start ComfyUI: ${(error as Error).message}`);
+      'Failed to start ComfyUI',
-    comfyUIProcess = null;
+      error instanceof Error ? error : undefined
+    );
     throw error;
   }
 }
@@ -527,20 +618,22 @@ export async function startFrontend(args: string[]) {
 export async function stopFrontend() {
   if (comfyUIProcess) {
     sendKoboldOutput('Stopping ComfyUI...');
-
     try {
-      await terminateProcess(comfyUIProcess, {
+      await terminateProcess(comfyUIProcess);
-        logError: (message, error) => logError(message, error),
+      comfyUIProcess = null;
-      });
       sendKoboldOutput('ComfyUI stopped');
     } catch (error) {
-      logError('Error stopping ComfyUI:', error as Error);
+      logError(
+        'Error stopping ComfyUI',
+        error instanceof Error ? error : undefined
+      );
+      comfyUIProcess = null;
     }
-
-    comfyUIProcess = null;
   }
 }
 
 export async function cleanup() {
-  await stopFrontend();
+  if (comfyUIProcess) {
+    await stopFrontend();
+  }
 }

src/main/modules/config.ts

@@ -1,12 +1,12 @@
 import { logError } from '@/main/modules/logging';
 import { readJsonFile, writeJsonFile } from '@/utils/node/fs';
 import { getConfigDir } from '@/utils/node/path';
-import type { FrontendPreference } from '@/types';
-import type { MantineColorScheme } from '@mantine/core';
 import { homedir } from 'os';
 import { join } from 'path';
 import { nativeTheme } from 'electron';
 import { PRODUCT_NAME } from '@/constants';
+import type { FrontendPreference } from '@/types';
+import type { MantineColorScheme } from '@mantine/core';
 
 type ConfigValue = string | number | boolean | unknown[] | undefined;
 

src/main/modules/hardware.ts

@@ -353,8 +353,7 @@ function parseClInfoOutput(output: string) {
       const deviceName = findDeviceNameInClInfo(lines, i);
 
       if (deviceName && currentPlatform) {
-        const deviceLabel = `${formatDeviceName(deviceName)} (${currentPlatform})`;
+        devices.push(formatDeviceName(deviceName));
-        devices.push(deviceLabel);
       }
     }
   }

src/main/modules/openwebui.ts

@@ -35,8 +35,6 @@ async function createUvProcess(args: string[], env?: Record<string, string>) {
 }
 
 async function waitForOpenWebUIToStart() {
-  sendKoboldOutput('Waiting for Open WebUI to start...');
-
   return new Promise<void>((resolve, reject) => {
     const checkForOutput = (data: Buffer) => {
       const output = data.toString();

src/stores/frontendPreference.ts

@@ -0,0 +1,33 @@
+import { create } from 'zustand';
+import { safeExecute } from '@/utils/logger';
+import type { FrontendPreference } from '@/types';
+
+interface FrontendPreferenceState {
+  frontendPreference: FrontendPreference;
+  setFrontendPreference: (preference: FrontendPreference) => void;
+  loadFromConfig: () => Promise<void>;
+}
+
+export const useFrontendPreferenceStore = create<FrontendPreferenceState>()(
+  (set) => ({
+    frontendPreference: 'koboldcpp',
+
+    setFrontendPreference: (preference: FrontendPreference) => {
+      set({ frontendPreference: preference });
+
+      safeExecute(async () => {
+        await window.electronAPI.config.set('frontendPreference', preference);
+      }, 'Error saving frontend preference:');
+    },
+
+    loadFromConfig: async () => {
+      await safeExecute(async () => {
+        const preference = (await window.electronAPI.config.get(
+          'frontendPreference'
+        )) as FrontendPreference;
+
+        set({ frontendPreference: preference || 'koboldcpp' });
+      }, 'Error loading frontend preference:');
+    },
+  })
+);

src/utils/node/gpu.ts

@@ -182,7 +182,7 @@ foreach ($gpu in $gpus) {
     setTimeout(() => {
       powershell.kill('SIGTERM');
       resolve([]);
-    }, 3000);
+    }, 5000);
   });
 }