Update migration and script tools for Supabase CLI integration

- Refactored `CreateMigration` method in `migrations.ts` to use `pnpm --filter web` for better command execution context.
- Added new Supabase CLI command descriptions in `scripts.ts` to facilitate access via the web project, enhancing usability and documentation.

packages/mcp-server/src/tools/migrations.ts

@@ -19,8 +19,8 @@ export class MigrationsTool {
     );
   }
 
-  static CreateMigration(path: string) {
-    return promisify(exec)(`supabase migration new ${path}`);
+  static CreateMigration(name: string) {
+    return promisify(exec)(`pnpm --filter web supabase migration new ${name}`);
   }
 
   static Diff() {

packages/mcp-server/src/tools/scripts.ts

@@ -202,6 +202,13 @@ export class ScriptsTool {
         usage: 'Automatically align package versions across workspaces.',
         importance: 'low',
       },
+      'supabase:cli': {
+        category: 'database',
+        description: 'Access Supabase CLI commands via web project',
+        usage:
+          'Use with: pnpm --filter web supabase <command>. Examples: db diff, db push, gen types, etc.',
+        importance: 'high',
+      },
     };
 
     const scriptInfo = scriptDescriptions[scriptName] || {