Add 'approve without feedback' button for homework review

Curators/admins can mark a submission APPROVED (and complete the lesson)
without writing feedback. The student sees 'ДЗ принято ✓' and can no
longer resubmit. No email is sent on silent approval.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/curator/homework/[submissionId]/actions.ts

@@ -108,6 +108,51 @@ export async function setReviewing(submissionId: string) {
   revalidatePath(`/curator/homework/${submissionId}`);
 }
 
+/**
+ * Принять ДЗ без письменного ответа: ставим APPROVED и засчитываем урок,
+ * фидбек не создаём и студенту письмо не шлём (тихое принятие).
+ */
+export async function approveWithoutFeedback(submissionId: string) {
+  await requireCurator();
+
+  const submission = await prisma.homeworkSubmission.findUnique({
+    where: { id: submissionId },
+    include: {
+      homework: {
+        include: {
+          lesson: {
+            select: {
+              id: true,
+              module: { select: { course: { select: { slug: true } } } },
+            },
+          },
+        },
+      },
+    },
+  });
+  if (!submission) throw new Error("Submission not found");
+
+  const lesson = submission.homework.lesson;
+
+  await prisma.$transaction(async (tx) => {
+    await tx.homeworkSubmission.update({
+      where: { id: submissionId },
+      data: { status: "APPROVED", statusAt: new Date() },
+    });
+    await tx.lessonProgress.upsert({
+      where: { userId_lessonId: { userId: submission.userId, lessonId: lesson.id } },
+      create: { userId: submission.userId, lessonId: lesson.id },
+      update: {},
+    });
+  });
+
+  revalidatePath("/curator/homework");
+  revalidatePath(`/curator/homework/${submissionId}`);
+  revalidatePath(`/courses/${lesson.module.course.slug}/lessons/${lesson.id}`);
+  revalidatePath(`/courses/${lesson.module.course.slug}`);
+  revalidatePath("/dashboard");
+}
+
 export async function deleteSubmission(submissionId: string) {
   await requireCurator();
   await prisma.homeworkSubmission.delete({ where: { id: submissionId } });

src/app/curator/homework/[submissionId]/feedback-form.tsx

@@ -3,7 +3,7 @@
 import { useState, useTransition, useRef } from "react";
 import { useRouter } from "next/navigation";
 import Link from "next/link";
-import { submitFeedback, setReviewing } from "./actions";
+import { submitFeedback, setReviewing, approveWithoutFeedback } from "./actions";
 import { AudioRecorder } from "@/components/curator/audio-recorder";
 
 interface FileItem {
@@ -69,6 +69,13 @@ export function FeedbackForm({
     });
   }
 
+  function handleApproveNoFeedback() {
+    startTransition(async () => {
+      await approveWithoutFeedback(submissionId);
+      router.push("/curator/homework");
+    });
+  }
+
   const isWorking = pending || uploading;
 
   return (
@@ -164,6 +171,17 @@ export function FeedbackForm({
           {pending ? "Отправка..." : "Отправить ответ"}
         </button>
 
+        <button
+          type="button"
+          onClick={handleApproveNoFeedback}
+          disabled={isWorking}
+          className="btn-aubade px-4 py-2 text-sm"
+          style={{ opacity: isWorking ? 0.5 : 1 }}
+          title="Засчитать ДЗ без письменного ответа"
+        >
+          Принять и отметить выполненным
+        </button>
+
         {currentStatus !== "REVIEWING" && (
           <button
             type="button"

src/components/student/homework-section.tsx

@@ -21,6 +21,7 @@ interface Submission {
   files: HWFile[];
   audioUrl?: string | null;
   submittedAt: Date;
+  status: string;
   feedbacks: Feedback[];
 }
 
@@ -47,6 +48,9 @@ export function HomeworkSection({ homework, submission, slug, lessonId, allowAud
   const [editing, setEditing] = useState(!submission);
 
   const isReviewed = submission && submission.feedbacks.length > 0;
+  const isApproved = submission?.status === "APPROVED";
+  // Финализировано: есть фидбек ИЛИ ДЗ принято кнопкой без ответа. Нельзя пересдавать.
+  const isLocked = Boolean(isReviewed || isApproved);
 
   const inputStyle = {
     border: "2px solid var(--border)",
@@ -138,8 +142,45 @@ export function HomeworkSection({ homework, submission, slug, lessonId, allowAud
         </div>
       )}
 
+      {/* Принято без письменного ответа */}
+      {isApproved && !isReviewed && submission && (
+        <div className="space-y-3">
+          <div className="flex items-center gap-2">
+            <span className="text-xs px-2 py-0.5 font-bold uppercase tracking-widest" style={{ border: "2px solid var(--foreground)", background: "var(--accent)" }}>
+              ДЗ принято ✓
+            </span>
+            <span className="text-xs" style={{ color: "var(--muted-foreground)" }}>
+              Сдано {new Date(submission.submittedAt).toLocaleDateString("ru-RU")}
+            </span>
+          </div>
+          {submission.text && (
+            <div className="px-4 py-3 text-sm whitespace-pre-wrap opacity-70" style={{ border: "2px solid var(--border)" }}>
+              {submission.text}
+            </div>
+          )}
+          {submission.audioUrl && (
+            <div className="px-4 py-2" style={{ border: "1px solid var(--border)" }}>
+              <p className="text-xs mb-1" style={{ color: "var(--muted-foreground)" }}>Аудио-ответ:</p>
+              <audio controls src={submission.audioUrl} style={{ height: 32, width: "100%" }} />
+            </div>
+          )}
+          {submission.files.length > 0 && (
+            <div className="space-y-1">
+              {submission.files.map((f) => (
+                <a key={f.url} href={f.url} target="_blank" rel="noopener noreferrer"
+                  className="flex items-center gap-2 px-3 py-2 text-xs" style={{ border: "2px solid var(--border)" }}>
+                  <span>📎</span>
+                  <span className="flex-1 underline">{f.name}</span>
+                  <span style={{ color: "var(--muted-foreground)" }}>{formatSize(f.size)}</span>
+                </a>
+              ))}
+            </div>
+          )}
+        </div>
+      )}
+
       {/* Submitted, pending review */}
-      {submission && !isReviewed && !editing && (
+      {submission && !isLocked && !editing && (
         <div className="space-y-3">
           <div className="flex items-center justify-between">
             <div className="flex items-center gap-2">
@@ -182,7 +223,7 @@ export function HomeworkSection({ homework, submission, slug, lessonId, allowAud
       )}
 
       {/* Form */}
-      {editing && !isReviewed && (
+      {editing && !isLocked && (
         <div className="space-y-3">
           <textarea
             value={text}

src/lib/actions/student-actions.ts

@@ -56,7 +56,7 @@ export async function submitHomework(
     include: { feedbacks: true },
   });
 
-  if (existing?.feedbacks && existing.feedbacks.length > 0) {
+  if ((existing?.feedbacks && existing.feedbacks.length > 0) || existing?.status === "APPROVED") {
     throw new Error("Работа уже проверена");
   }