fix: Address code review feedback and fix lint errors

apps/server/eslint.config.mjs

@@ -0,0 +1,74 @@
+import { defineConfig, globalIgnores } from 'eslint/config';
+import js from '@eslint/js';
+import ts from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+
+const eslintConfig = defineConfig([
+  js.configs.recommended,
+  {
+    files: ['**/*.ts'],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+      },
+      globals: {
+        // Node.js globals
+        console: 'readonly',
+        process: 'readonly',
+        Buffer: 'readonly',
+        __dirname: 'readonly',
+        __filename: 'readonly',
+        URL: 'readonly',
+        URLSearchParams: 'readonly',
+        AbortController: 'readonly',
+        AbortSignal: 'readonly',
+        fetch: 'readonly',
+        Response: 'readonly',
+        Request: 'readonly',
+        Headers: 'readonly',
+        FormData: 'readonly',
+        RequestInit: 'readonly',
+        // Timers
+        setTimeout: 'readonly',
+        setInterval: 'readonly',
+        clearTimeout: 'readonly',
+        clearInterval: 'readonly',
+        setImmediate: 'readonly',
+        clearImmediate: 'readonly',
+        queueMicrotask: 'readonly',
+        // Node.js types
+        NodeJS: 'readonly',
+      },
+    },
+    plugins: {
+      '@typescript-eslint': ts,
+    },
+    rules: {
+      ...ts.configs.recommended.rules,
+      '@typescript-eslint/no-unused-vars': [
+        'warn',
+        {
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_',
+          ignoreRestSiblings: true,
+        },
+      ],
+      '@typescript-eslint/no-explicit-any': 'warn',
+      // Server code frequently works with terminal output containing ANSI escape codes
+      'no-control-regex': 'off',
+      '@typescript-eslint/ban-ts-comment': [
+        'error',
+        {
+          'ts-nocheck': 'allow-with-description',
+          minimumDescriptionLength: 10,
+        },
+      ],
+    },
+  },
+  globalIgnores(['dist/**', 'node_modules/**']),
+]);
+
+export default eslintConfig;

apps/server/src/routes/worktree/routes/checkout-branch.ts

@@ -37,7 +37,7 @@ export function createCheckoutBranchHandler() {
       }
 
       // Validate branch name (basic validation)
-      const invalidChars = /[\s~^:?*\[\\]/;
+      const invalidChars = /[\s~^:?*[\\]/;
       if (invalidChars.test(branchName)) {
         res.status(400).json({
           success: false,

apps/server/src/routes/worktree/routes/open-in-editor.ts

@@ -125,19 +125,14 @@ export function createOpenInEditorHandler() {
           `Failed to open in editor, falling back to file manager: ${getErrorMessage(editorError)}`
         );
 
-        try {
-          const result = await openInFileManager(worktreePath);
-          res.json({
-            success: true,
-            result: {
-              message: `Opened ${worktreePath} in ${result.editorName}`,
-              editorName: result.editorName,
-            },
-          });
-        } catch (fallbackError) {
-          // Both editor and file manager failed
-          throw fallbackError;
-        }
+        const result = await openInFileManager(worktreePath);
+        res.json({
+          success: true,
+          result: {
+            message: `Opened ${worktreePath} in ${result.editorName}`,
+            editorName: result.editorName,
+          },
+        });
       }
     } catch (error) {
       logError(error, 'Open in editor failed');

apps/server/src/services/claude-usage-service.ts

@@ -662,7 +662,7 @@ export class ClaudeUsageService {
 
       resetTime = this.parseResetTime(resetText, type);
       // Strip timezone like "(Asia/Dubai)" from the display text
-      resetText = resetText.replace(/\s*\([A-Za-z_\/]+\)\s*$/, '').trim();
+      resetText = resetText.replace(/\s*\([A-Za-z_/]+\)\s*$/, '').trim();
     }
 
     return { percentage: percentage ?? 0, resetTime, resetText };

apps/server/src/services/dev-server-service.ts

@@ -124,7 +124,7 @@ class DevServerService {
       /(?:Local|Network):\s+(https?:\/\/[^\s]+)/i, // Vite format
       /(?:ready|started server).*?(?:url:\s*)?(https?:\/\/[^\s,]+)/i, // Next.js format
       /(https?:\/\/(?:localhost|127\.0\.0\.1|\[::\]):\d+)/i, // Generic localhost URL
-      /(https?:\/\/[^\s<>"{}|\\^`\[\]]+)/i, // Any HTTP(S) URL
+      /(https?:\/\/[^\s<>"{}|\\^`[\]]+)/i, // Any HTTP(S) URL
     ];
 
     for (const pattern of urlPatterns) {

apps/server/src/services/ideation-service.ts

@@ -888,7 +888,7 @@ ${contextSection}${existingWorkSection}`;
 
     for (const line of lines) {
       // Check for numbered items or markdown headers
-      const titleMatch = line.match(/^(?:\d+[\.\)]\s*\*{0,2}|#{1,3}\s+)(.+)/);
+      const titleMatch = line.match(/^(?:\d+[.)]\s*\*{0,2}|#{1,3}\s+)(.+)/);
 
       if (titleMatch) {
         // Save previous suggestion