chore: ai, public course and other ui improvements

apps/dashboard/src/lib/features/ai-assistant/utils/course-plan.ts

@@ -0,0 +1,18 @@
+export interface CoursePlanSectionItem {
+  type: 'lesson' | 'exercise';
+  title: string;
+  description: string;
+  order: number;
+  hasExercise: boolean;
+}
+
+export interface CoursePlanSection {
+  title: string;
+  order: number;
+  items: CoursePlanSectionItem[];
+}
+
+export interface CoursePlan {
+  title: string;
+  sections: CoursePlanSection[];
+}

apps/dashboard/src/lib/features/ai-assistant/utils/store.ts

@@ -1,4 +1,5 @@
 import { writable } from 'svelte/store';
+import type { AgentModelId } from '@cio/utils/agent-models';
 
 /** Controls whether the AI assistant right sidebar Sheet is open. */
 export const isAiAssistantOpen = writable(false);
@@ -14,3 +15,23 @@ export function closeAiAssistant() {
 export function toggleAiAssistant() {
   isAiAssistantOpen.update((open) => !open);
 }
+
+/** Carries a prompt from the home page course creator into the AI chat on first open. */
+export const initialChatPrompt = writable<string | null>(null);
+export const initialChatModel = writable<AgentModelId | null>(null);
+
+export function setInitialChatPrompt(prompt: string) {
+  initialChatPrompt.set(prompt);
+}
+
+export function setInitialChatModel(model: AgentModelId) {
+  initialChatModel.set(model);
+}
+
+export function clearInitialChatPrompt() {
+  initialChatPrompt.set(null);
+}
+
+export function clearInitialChatModel() {
+  initialChatModel.set(null);
+}

apps/dashboard/src/lib/features/ai-assistant/utils/tool-labels.ts

@@ -8,7 +8,9 @@ const TOOL_LABELS: Record<string, string> = {
   update_lesson: 'Updating lesson',
   update_lesson_content: 'Writing lesson content',
   create_exercise: 'Creating exercise',
+  create_exercise_section: 'Creating exercise section',
   update_exercise: 'Updating exercise',
+  update_exercise_section: 'Updating exercise section',
   add_questions: 'Adding questions',
   update_questions: 'Updating questions',
   reorder_content: 'Reordering content',
@@ -40,6 +42,8 @@ export function getToolResultLabel(toolName: string, result: unknown): string {
       return `Created exercise with ${r.questionCount} questions`;
     case 'update_exercise':
       return `Updated exercise: ${r.title}`;
+    case 'update_exercise_section':
+      return `Updated exercise section: ${r.title}`;
     case 'add_questions':
       return `Added ${r.addedCount} questions`;
     case 'update_questions':
@@ -78,7 +82,9 @@ export const MUTATION_TOOLS = [
   'update_lesson',
   'update_lesson_content',
   'create_exercise',
+  'create_exercise_section',
   'update_exercise',
+  'update_exercise_section',
   'add_questions',
   'update_questions',
   'reorder_content',

apps/dashboard/src/lib/features/ai-assistant/utils/tool-parts.ts

@@ -12,12 +12,18 @@ export interface AgentToolPart {
   };
 }
 
-export function isAgentToolPart(part: Record<string, unknown>): part is AgentToolPart {
-  if (part.type === 'tool-invocation') {
+export function isAgentToolPart(part: unknown): part is AgentToolPart {
+  if (!part || typeof part !== 'object') {
+    return false;
+  }
+
+  const record = part as Record<string, unknown>;
+
+  if (record.type === 'tool-invocation') {
     return true;
   }
 
-  return typeof part.type === 'string' && part.type.startsWith('tool-');
+  return typeof record.type === 'string' && record.type.startsWith('tool-');
 }
 
 export function getAgentToolName(part: AgentToolPart): string | null {

apps/dashboard/src/lib/features/ai-assistant/utils/types.ts

@@ -11,8 +11,22 @@ export interface AiAssistantMessageAttachment {
   name: string;
 }
 
+export interface AiAssistantMessageTokenUsage {
+  promptTokens: number;
+  completionTokens: number;
+  totalTokens: number;
+}
+
+export interface AiAssistantMessageContinuation {
+  reason: 'step_limit';
+  maxSteps: number;
+  finishReason?: string;
+}
+
 export interface AiAssistantMessageMetadata {
   attachment?: AiAssistantMessageAttachment;
+  tokenUsage?: AiAssistantMessageTokenUsage;
+  continuation?: AiAssistantMessageContinuation;
 }
 
 export type AiAssistantMessage = UIMessage<AiAssistantMessageMetadata>;
@@ -47,3 +61,7 @@ export type AgentConversationCreateData = AgentConversationCreateSuccess['data']
 export type AgentHistorySaveRequest = (typeof classroomio.agent.history)[':conversationId']['$put'];
 
 export type AgentHistoryDeleteRequest = (typeof classroomio.agent.history)[':conversationId']['$delete'];
+
+export type GenerateCourseTitleRequest = (typeof classroomio.agent)['generate-course-title']['$post'];
+export type GenerateCourseTitleSuccess = Extract<InferResponseType<GenerateCourseTitleRequest>, { success: true }>;
+export type GenerateCourseTitleData = GenerateCourseTitleSuccess['data'];