refactor: optimize configuration and tool implementations

- Standardized error handling across tool implementations
- Improved return type consistency for tool execution results
- Simplified configuration parsing and type definitions
- Enhanced type safety for various configuration schemas
- Cleaned up and normalized tool response structures
- Updated SSE and event subscription tool implementations

src/types/hass.d.ts

@@ -1,81 +1,81 @@
 declare namespace HomeAssistant {
-    interface Entity {
-        entity_id: string;
-        state: string;
-        attributes: Record<string, any>;
-        last_changed: string;
-        last_updated: string;
-        context: {
-            id: string;
-            parent_id?: string;
-            user_id?: string;
-        };
-    }
+  interface Entity {
+    entity_id: string;
+    state: string;
+    attributes: Record<string, any>;
+    last_changed: string;
+    last_updated: string;
+    context: {
+      id: string;
+      parent_id?: string;
+      user_id?: string;
+    };
+  }
 
-    interface Service {
-        domain: string;
-        service: string;
-        target?: {
-            entity_id?: string | string[];
-            device_id?: string | string[];
-            area_id?: string | string[];
-        };
-        service_data?: Record<string, any>;
-    }
+  interface Service {
+    domain: string;
+    service: string;
+    target?: {
+      entity_id?: string | string[];
+      device_id?: string | string[];
+      area_id?: string | string[];
+    };
+    service_data?: Record<string, any>;
+  }
 
-    interface WebsocketMessage {
-        type: string;
-        id?: number;
-        [key: string]: any;
-    }
+  interface WebsocketMessage {
+    type: string;
+    id?: number;
+    [key: string]: any;
+  }
 
-    interface AuthMessage extends WebsocketMessage {
-        type: 'auth';
-        access_token: string;
-    }
+  interface AuthMessage extends WebsocketMessage {
+    type: "auth";
+    access_token: string;
+  }
 
-    interface SubscribeEventsMessage extends WebsocketMessage {
-        type: 'subscribe_events';
-        event_type?: string;
-    }
+  interface SubscribeEventsMessage extends WebsocketMessage {
+    type: "subscribe_events";
+    event_type?: string;
+  }
 
-    interface StateChangedEvent {
-        event_type: 'state_changed';
-        data: {
-            entity_id: string;
-            new_state: Entity | null;
-            old_state: Entity | null;
-        };
-        origin: string;
-        time_fired: string;
-        context: {
-            id: string;
-            parent_id?: string;
-            user_id?: string;
-        };
-    }
+  interface StateChangedEvent {
+    event_type: "state_changed";
+    data: {
+      entity_id: string;
+      new_state: Entity | null;
+      old_state: Entity | null;
+    };
+    origin: string;
+    time_fired: string;
+    context: {
+      id: string;
+      parent_id?: string;
+      user_id?: string;
+    };
+  }
 
-    interface Config {
-        latitude: number;
-        longitude: number;
-        elevation: number;
-        unit_system: {
-            length: string;
-            mass: string;
-            temperature: string;
-            volume: string;
-        };
-        location_name: string;
-        time_zone: string;
-        components: string[];
-        version: string;
-    }
+  interface Config {
+    latitude: number;
+    longitude: number;
+    elevation: number;
+    unit_system: {
+      length: string;
+      mass: string;
+      temperature: string;
+      volume: string;
+    };
+    location_name: string;
+    time_zone: string;
+    components: string[];
+    version: string;
+  }
 
-    interface ApiError {
-        code: string;
-        message: string;
-        details?: Record<string, any>;
-    }
+  interface ApiError {
+    code: string;
+    message: string;
+    details?: Record<string, any>;
+  }
 }
 
-export = HomeAssistant; 
+export = HomeAssistant;