Refactor code structure for improved readability and maintainability

ccw/frontend/src/locales/en/api-settings.json

@@ -198,8 +198,9 @@
       "cacheSize": "Cache size",
       "used": "used",
       "total": "total",
-      "actions": "Cache Actions",
-      "clearCache": "Clear Cache",
+      "actions": {
+        "clearCache": "Clear Cache"
+      },
       "confirmClearCache": "Are you sure you want to clear the cache? This will remove all cached entries."
     },
     "statistics": {
@@ -295,6 +296,11 @@
     "availableModelsHint": "Models shown in CLI dropdown menus. Click × to remove.",
     "nameFormatHint": "Letters, numbers, hyphens, underscores only. Used as: ccw cli --tool [name]",
     "nameTooLong": "Name must be {max} characters or less",
+    "configJson": "Configuration (JSON)",
+    "configJsonPlaceholder": "{\n  \"env\": {\n    \"CUSTOM_VAR\": \"value\"\n  }\n}",
+    "configJsonHint": "Additional configuration in JSON format. This will be merged with the form fields above.",
+    "invalidJson": "Invalid JSON",
+    "configMustBeObject": "Configuration must be a JSON object",
     "settingsFile": "Settings File",
     "settingsFilePlaceholder": "e.g., /path/to/settings.json",
     "settingsFileHint": "Path to external Claude CLI settings file (passed via --settings parameter)",

ccw/frontend/src/locales/en/codexlens.json

@@ -238,5 +238,74 @@
       "title": "CodexLens Not Installed",
       "description": "Please install CodexLens to use semantic code search features."
     }
+  },
+  "envGroup": {
+    "embedding": "Embedding",
+    "reranker": "Reranker",
+    "concurrency": "Concurrency",
+    "cascade": "Cascade Search",
+    "chunking": "Chunking"
+  },
+  "envField": {
+    "backend": "Backend",
+    "model": "Model",
+    "useGpu": "Use GPU",
+    "highAvailability": "High Availability",
+    "loadBalanceStrategy": "Load Balance Strategy",
+    "rateLimitCooldown": "Rate Limit Cooldown",
+    "enabled": "Enabled",
+    "topKResults": "Top K Results",
+    "maxWorkers": "Max Workers",
+    "batchSize": "Batch Size",
+    "dynamicBatchSize": "Dynamic Batch Size",
+    "batchSizeUtilization": "Utilization Factor",
+    "batchSizeMax": "Max Batch Size",
+    "charsPerToken": "Chars Per Token",
+    "searchStrategy": "Search Strategy",
+    "coarseK": "Coarse K",
+    "fineK": "Fine K",
+    "stripComments": "Strip Comments",
+    "stripDocstrings": "Strip Docstrings",
+    "testFilePenalty": "Test File Penalty",
+    "docstringWeight": "Docstring Weight"
+  },
+  "install": {
+    "title": "Install CodexLens",
+    "description": "Set up Python virtual environment and install CodexLens package.",
+    "checklist": "What will be installed",
+    "pythonVenv": "Python Virtual Environment",
+    "pythonVenvDesc": "Isolated Python environment for CodexLens",
+    "codexlensPackage": "CodexLens Package",
+    "codexlensPackageDesc": "Core semantic code search engine",
+    "sqliteFts": "SQLite FTS5",
+    "sqliteFtsDesc": "Full-text search extension for fast code lookup",
+    "location": "Install Location",
+    "locationPath": "~/.codexlens/venv",
+    "timeEstimate": "Installation may take 1-3 minutes depending on network speed.",
+    "stage": {
+      "creatingVenv": "Creating Python virtual environment...",
+      "installingPip": "Installing pip dependencies...",
+      "installingPackage": "Installing CodexLens package...",
+      "settingUpDeps": "Setting up dependencies...",
+      "finalizing": "Finalizing installation...",
+      "complete": "Installation complete!"
+    },
+    "installNow": "Install Now",
+    "installing": "Installing..."
+  },
+  "watcher": {
+    "title": "File Watcher",
+    "status": {
+      "running": "Running",
+      "stopped": "Stopped"
+    },
+    "eventsProcessed": "Events Processed",
+    "uptime": "Uptime",
+    "start": "Start Watcher",
+    "starting": "Starting...",
+    "stop": "Stop Watcher",
+    "stopping": "Stopping...",
+    "started": "File watcher started",
+    "stopped": "File watcher stopped"
   }
 }