refactor(ux): consolidate BMAD skills, update design system, and clean up Prisma generated client

keep-notes/lib/ai/tools/registry.ts

@@ -0,0 +1,56 @@
+/**
+ * Tool Registry
+ * Central registry for all agent tools.
+ * Tools self-register on import via side-effect in index.ts.
+ */
+
+import { tool } from 'ai'
+import { z } from 'zod'
+
+export interface ToolContext {
+  userId: string
+  agentId: string
+  actionId: string
+  config: Record<string, string>
+}
+
+export interface RegisteredTool {
+  name: string
+  description: string
+  buildTool: (ctx: ToolContext) => any  // Returns an AI SDK tool() synchronously
+  isInternal: boolean  // true = no API key needed
+}
+
+class ToolRegistry {
+  private tools: Map<string, RegisteredTool> = new Map()
+
+  register(tool: RegisteredTool): void {
+    this.tools.set(tool.name, tool)
+  }
+
+  get(name: string): RegisteredTool | undefined {
+    return this.tools.get(name)
+  }
+
+  buildToolsForAgent(toolNames: string[], ctx: ToolContext): Record<string, any> {
+    const built: Record<string, any> = {}
+    for (const name of toolNames) {
+      const registered = this.tools.get(name)
+      if (registered) {
+        built[name] = registered.buildTool(ctx)
+      }
+    }
+    return built
+  }
+
+  getAvailableTools(): Array<{ name: string; description: string; isInternal: boolean }> {
+    return Array.from(this.tools.values()).map(t => ({
+      name: t.name,
+      description: t.description,
+      isInternal: t.isInternal,
+    }))
+  }
+}
+
+// Singleton
+export const toolRegistry = new ToolRegistry()