fixing stuff

apps/web/src/app/teacher/page.tsx

@@ -430,7 +430,7 @@ function TeacherPageContent() {
   );
 }
 
-export function ResearchAssignmentBlock({ display }: { display: ResearchAssignmentDisplay }) {
+function ResearchAssignmentBlock({ display }: { display: ResearchAssignmentDisplay }) {
   if (display.kind === "string") {
     return <p className="serif text-sm whitespace-pre-wrap">{display.text}</p>;
   }

apps/web/src/lib/ai/ai-normalize.ts

@@ -209,11 +209,12 @@ export function normalizeTeacherPayload(data: unknown): unknown {
             explanation: explanation || undefined,
           };
         })
-        .filter(Boolean)
+        .filter((item): item is NonNullable<typeof item> => item != null)
     : [];
 
-  const answerKey = Array.isArray(o.answerKey ?? o.answer_key)
-    ? (o.answerKey ?? o.answer_key as unknown[])
+  const answerKeyRaw = o.answerKey ?? o.answer_key;
+  const answerKey = Array.isArray(answerKeyRaw)
+    ? (answerKeyRaw as unknown[])
         .map((entry, idx) => {
           if (!entry || typeof entry !== "object") return null;
           const e = entry as Record<string, unknown>;
@@ -226,7 +227,7 @@ export function normalizeTeacherPayload(data: unknown): unknown {
             explanation: extractText(e.explanation) || undefined,
           };
         })
-        .filter(Boolean)
+        .filter((item): item is NonNullable<typeof item> => item != null)
     : quiz.map((q, i) => ({
         questionIndex: i,
         answer: q.answerText ?? String(q.answer),

apps/web/src/lib/services/ai-config.ts

@@ -65,7 +65,10 @@ export async function saveAiBehaviorConfig(userId: string, config: Partial<AIBeh
 
 export async function saveAiProviderSettings(
   userId: string,
-  config: Partial<AIProviderSettings>
+  config: {
+    machineMode?: AIMachineMode;
+    profiles?: Partial<AIProviderSettings["profiles"]>;
+  }
 ): Promise<AIProviderSettings> {
   const current = await getAiProviderSettings(userId);
   const merged: AIProviderSettings = {
@@ -88,11 +91,13 @@ export async function saveAiProviderSettings(
 
 export async function saveAiProviderConfig(userId: string, config: Partial<AIProviderConfig>) {
   const current = await getAiProviderSettings(userId);
-  const mode = current.machineMode;
+  if (current.machineMode === "local") {
+    return saveAiProviderSettings(userId, {
+      profiles: { local: { ...current.profiles.local, ...config } },
+    });
+  }
   return saveAiProviderSettings(userId, {
-    profiles: {
-      [mode]: { ...current.profiles[mode], ...config },
-    },
+    profiles: { hyper: { ...current.profiles.hyper, ...config } },
   });
 }
 

apps/web/src/lib/services/teacher.ts

@@ -70,10 +70,10 @@ export async function createTeacherLesson(
     userId,
     topic,
     explorationId: input.explorationId,
-    content: storedContent as Record<string, unknown>,
+    content: storedContent as unknown as Record<string, unknown>,
     status: "active",
   });
-  return { ...mapTeacherRow({ ...row, content: storedContent as Record<string, unknown> }) };
+  return { ...mapTeacherRow({ ...row, content: storedContent as unknown as Record<string, unknown> }) };
 }
 
 export { TeacherAiUnavailableError };

apps/web/src/lib/teacher/teacher-content.ts

@@ -27,7 +27,7 @@ export function unwrapTeacherContent(stored: Record<string, unknown>): {
   const meta = stored[META_KEY] as StoredTeacherMeta | undefined;
   const { [META_KEY]: _, ...rest } = stored;
   return {
-    content: rest as TeacherLessonContent,
+    content: rest as unknown as TeacherLessonContent,
     source: meta?.source,
     fallbackReason: meta?.fallbackReason,
   };