feat: enhance textbook reader with anchor text support and improve knowledge point management

src/modules/questions/components/create-question-dialog.tsx

@@ -60,6 +60,9 @@ interface CreateQuestionDialogProps {
   open: boolean
   onOpenChange: (open: boolean) => void
   initialData?: Question | null
+  defaultKnowledgePointIds?: string[]
+  defaultContent?: string
+  defaultType?: "single_choice" | "multiple_choice" | "text" | "judgment" | "composite"
 }
 
 function getInitialTextFromContent(content: unknown) {
@@ -97,7 +100,14 @@ function getInitialOptionsFromContent(content: unknown) {
   return mapped.length > 0 ? mapped : undefined
 }
 
-export function CreateQuestionDialog({ open, onOpenChange, initialData }: CreateQuestionDialogProps) {
+export function CreateQuestionDialog({ 
+  open, 
+  onOpenChange, 
+  initialData,
+  defaultKnowledgePointIds = [],
+  defaultContent = "",
+  defaultType = "single_choice"
+}: CreateQuestionDialogProps) {
   const router = useRouter()
   const [isPending, setIsPending] = useState(false)
   const isEdit = !!initialData
@@ -105,9 +115,9 @@ export function CreateQuestionDialog({ open, onOpenChange, initialData }: Create
   const form = useForm<QuestionFormValues>({
     resolver: zodResolver(QuestionFormSchema),
     defaultValues: {
-      type: initialData?.type || "single_choice",
+      type: initialData?.type || defaultType,
       difficulty: initialData?.difficulty || 1,
-      content: getInitialTextFromContent(initialData?.content),
+      content: getInitialTextFromContent(initialData?.content) || defaultContent,
       options:
         getInitialOptionsFromContent(initialData?.content) ?? [
           { label: "Option A", value: "A", isCorrect: true },
@@ -130,16 +140,16 @@ export function CreateQuestionDialog({ open, onOpenChange, initialData }: Create
       })
     } else {
       form.reset({
-        type: "single_choice",
+        type: defaultType,
         difficulty: 1,
-        content: "",
+        content: defaultContent,
         options: [
           { label: "Option A", value: "A", isCorrect: true },
           { label: "Option B", value: "B", isCorrect: false },
         ],
       })
     }
-  }, [initialData, form, open])
+  }, [initialData, form, open, defaultContent, defaultType])
 
   const questionType = form.watch("type")
 
@@ -184,7 +194,7 @@ export function CreateQuestionDialog({ open, onOpenChange, initialData }: Create
         type: data.type,
         difficulty: data.difficulty,
         content: buildContent(data),
-        knowledgePointIds: [],
+        knowledgePointIds: isEdit ? [] : defaultKnowledgePointIds,
       }
       const fd = new FormData()
       fd.set("json", JSON.stringify(payload))