Claude sub-agents, PRD, MCP improvements (#359)

1. Added Claude Code sub-agents
2. Added PRD tool to MCP Server
3. Added MCP Server UI to Dev Tools
4. Improved MCP Server Database Tool
5. Updated dependencies

apps/dev-tool/app/mcp-server/_lib/schemas/create-prd.schema.ts

@@ -0,0 +1,35 @@
+import { z } from 'zod';
+
+export const CreatePRDSchema = z.object({
+  title: z
+    .string()
+    .min(1, 'Title is required')
+    .max(200, 'Title must be less than 200 characters'),
+  overview: z
+    .string()
+    .min(1, 'Overview is required')
+    .max(1000, 'Overview must be less than 1000 characters'),
+  problemStatement: z
+    .string()
+    .min(1, 'Problem statement is required')
+    .max(1000, 'Problem statement must be less than 1000 characters'),
+  marketOpportunity: z
+    .string()
+    .min(1, 'Market opportunity is required')
+    .max(1000, 'Market opportunity must be less than 1000 characters'),
+  targetUsers: z
+    .array(z.string().min(1, 'Target user cannot be empty'))
+    .min(1, 'At least one target user is required'),
+  solutionDescription: z
+    .string()
+    .min(1, 'Solution description is required')
+    .max(1000, 'Solution description must be less than 1000 characters'),
+  keyFeatures: z
+    .array(z.string().min(1, 'Feature cannot be empty'))
+    .min(1, 'At least one key feature is required'),
+  successMetrics: z
+    .array(z.string().min(1, 'Metric cannot be empty'))
+    .min(1, 'At least one success metric is required'),
+});
+
+export type CreatePRDData = z.infer<typeof CreatePRDSchema>;