MCP/Rules Improvements + MCP Prompts (#357)

- Use ESM for building the MCP Server
- Added own Postgres dependency to MCP Server for querying tables and other entities in MCP
- Vastly improved AI Agent rules
- Added MCP Prompts for reviewing code and planning features
- Minor refactoring

packages/features/notifications/src/hooks/use-fetch-notifications.ts

@@ -4,17 +4,9 @@ import { useQuery } from '@tanstack/react-query';
 
 import { useSupabase } from '@kit/supabase/hooks/use-supabase';
 
+import { Notification } from '../types';
 import { useNotificationsStream } from './use-notifications-stream';
 
-type Notification = {
-  id: number;
-  body: string;
-  dismissed: boolean;
-  type: 'info' | 'warning' | 'error';
-  created_at: string;
-  link: string | null;
-};
-
 export function useFetchNotifications({
   onNotifications,
   accountIds,

packages/features/notifications/src/hooks/use-notifications-stream.ts

@@ -2,14 +2,7 @@ import { useEffect } from 'react';
 
 import { useSupabase } from '@kit/supabase/hooks/use-supabase';
 
-type Notification = {
-  id: number;
-  body: string;
-  dismissed: boolean;
-  type: 'info' | 'warning' | 'error';
-  created_at: string;
-  link: string | null;
-};
+import { Notification } from '../types';
 
 export function useNotificationsStream({
   onNotifications,