feat: widgets and ai chat

packages/ai-assistant/src/prompt/index.ts

@@ -0,0 +1,21 @@
+import { AgentRole, type AgentContext } from '../types';
+import { buildTeacherSystemPrompt } from './teacher';
+import { buildStudentSystemPrompt } from './student';
+
+/**
+ * Builds a role-aware system prompt for the AI assistant.
+ * Teacher prompts include Plan/Agent mode instructions and content writing guidelines.
+ * Student prompts (v2) are read-only focused.
+ */
+export function buildSystemPrompt(context: AgentContext): string {
+  switch (context.role) {
+    case AgentRole.TEACHER:
+      return buildTeacherSystemPrompt(context);
+    case AgentRole.STUDENT:
+      return buildStudentSystemPrompt(context);
+    default:
+      return buildTeacherSystemPrompt(context);
+  }
+}
+
+export { buildTeacherSystemPrompt, buildStudentSystemPrompt };