test: increase coverage

backend/src/test/java/org/raddatz/familienarchiv/controller/TranscriptionBlockControllerTest.java

@@ -0,0 +1,359 @@
+package org.raddatz.familienarchiv.controller;
+
+import org.junit.jupiter.api.Test;
+import org.raddatz.familienarchiv.config.SecurityConfig;
+import org.raddatz.familienarchiv.exception.DomainException;
+import org.raddatz.familienarchiv.exception.ErrorCode;
+import org.raddatz.familienarchiv.model.AppUser;
+import org.raddatz.familienarchiv.model.TranscriptionBlock;
+import org.raddatz.familienarchiv.model.TranscriptionBlockVersion;
+import org.raddatz.familienarchiv.security.PermissionAspect;
+import org.raddatz.familienarchiv.service.CustomUserDetailsService;
+import org.raddatz.familienarchiv.service.TranscriptionService;
+import org.raddatz.familienarchiv.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.aop.AopAutoConfiguration;
+import org.springframework.boot.webmvc.test.autoconfigure.WebMvcTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.util.List;
+import java.util.UUID;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@WebMvcTest(TranscriptionBlockController.class)
+@Import({SecurityConfig.class, PermissionAspect.class, AopAutoConfiguration.class})
+class TranscriptionBlockControllerTest {
+
+    @Autowired MockMvc mockMvc;
+
+    @MockitoBean TranscriptionService transcriptionService;
+    @MockitoBean UserService userService;
+    @MockitoBean CustomUserDetailsService customUserDetailsService;
+
+    private static final UUID DOC_ID  = UUID.randomUUID();
+    private static final UUID BLOCK_ID = UUID.randomUUID();
+    private static final String URL_BASE    = "/api/documents/" + DOC_ID + "/transcription-blocks";
+    private static final String URL_BLOCK   = URL_BASE + "/" + BLOCK_ID;
+    private static final String URL_REORDER = URL_BASE + "/reorder";
+    private static final String URL_HISTORY = URL_BLOCK + "/history";
+
+    private static final String CREATE_JSON =
+            "{\"pageNumber\":1,\"x\":0.1,\"y\":0.2,\"width\":0.3,\"height\":0.4,\"text\":\"Liebe Mutter,\"}";
+    private static final String UPDATE_JSON =
+            "{\"text\":\"Neue Fassung\",\"label\":\"Anrede\"}";
+    private static final String REORDER_JSON =
+            "{\"blockIds\":[\"" + UUID.randomUUID() + "\",\"" + UUID.randomUUID() + "\"]}";
+
+    private AppUser mockUser() {
+        return AppUser.builder().id(UUID.randomUUID()).username("user").build();
+    }
+
+    private TranscriptionBlock sampleBlock() {
+        return TranscriptionBlock.builder()
+                .id(BLOCK_ID).documentId(DOC_ID)
+                .annotationId(UUID.randomUUID())
+                .text("Liebe Mutter,").sortOrder(0).build();
+    }
+
+    // ─── GET /api/documents/{id}/transcription-blocks ────────────────────────
+
+    @Test
+    void listBlocks_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(get(URL_BASE))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void listBlocks_returns403_whenMissingReadAllPermission() throws Exception {
+        mockMvc.perform(get(URL_BASE))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void listBlocks_returns200_withBlocks_whenAuthorised() throws Exception {
+        TranscriptionBlock b = sampleBlock();
+        when(transcriptionService.listBlocks(DOC_ID)).thenReturn(List.of(b));
+
+        mockMvc.perform(get(URL_BASE))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$[0].text").value("Liebe Mutter,"));
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void listBlocks_returns200_withEmptyArray_whenNoBlocksExist() throws Exception {
+        when(transcriptionService.listBlocks(any())).thenReturn(List.of());
+
+        mockMvc.perform(get(URL_BASE))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isArray())
+                .andExpect(jsonPath("$").isEmpty());
+    }
+
+    // ─── GET /api/documents/{id}/transcription-blocks/{blockId} ─────────────
+
+    @Test
+    void getBlock_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(get(URL_BLOCK))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void getBlock_returns403_whenMissingReadAllPermission() throws Exception {
+        mockMvc.perform(get(URL_BLOCK))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void getBlock_returns200_withBlockData_whenFound() throws Exception {
+        when(transcriptionService.getBlock(DOC_ID, BLOCK_ID)).thenReturn(sampleBlock());
+
+        mockMvc.perform(get(URL_BLOCK))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.id").value(BLOCK_ID.toString()))
+                .andExpect(jsonPath("$.text").value("Liebe Mutter,"))
+                .andExpect(jsonPath("$.sortOrder").value(0));
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void getBlock_returns404_whenBlockDoesNotExist() throws Exception {
+        when(transcriptionService.getBlock(any(), any()))
+                .thenThrow(DomainException.notFound(ErrorCode.TRANSCRIPTION_BLOCK_NOT_FOUND, "not found"));
+
+        mockMvc.perform(get(URL_BLOCK))
+                .andExpect(status().isNotFound())
+                .andExpect(jsonPath("$.code").value("TRANSCRIPTION_BLOCK_NOT_FOUND"));
+    }
+
+    // ─── POST /api/documents/{id}/transcription-blocks ───────────────────────
+
+    @Test
+    void createBlock_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(post(URL_BASE)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(CREATE_JSON))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void createBlock_returns403_whenMissingWriteAllPermission() throws Exception {
+        mockMvc.perform(post(URL_BASE)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(CREATE_JSON))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void createBlock_returns201_withSavedBlock_whenAuthorised() throws Exception {
+        when(userService.findByUsername(any())).thenReturn(mockUser());
+        when(transcriptionService.createBlock(eq(DOC_ID), any(), any())).thenReturn(sampleBlock());
+
+        mockMvc.perform(post(URL_BASE)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(CREATE_JSON))
+                .andExpect(status().isCreated())
+                .andExpect(jsonPath("$.text").value("Liebe Mutter,"))
+                .andExpect(jsonPath("$.documentId").value(DOC_ID.toString()));
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void createBlock_returns401_whenUserNotFoundInDatabase() throws Exception {
+        when(userService.findByUsername(any())).thenReturn(null);
+
+        mockMvc.perform(post(URL_BASE)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(CREATE_JSON))
+                .andExpect(status().isUnauthorized());
+    }
+
+    // ─── PUT /api/documents/{id}/transcription-blocks/{blockId} ─────────────
+
+    @Test
+    void updateBlock_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(put(URL_BLOCK)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(UPDATE_JSON))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void updateBlock_returns403_whenMissingWriteAllPermission() throws Exception {
+        mockMvc.perform(put(URL_BLOCK)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(UPDATE_JSON))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void updateBlock_returns200_withUpdatedBlock_whenAuthorised() throws Exception {
+        TranscriptionBlock updated = sampleBlock();
+        updated.setText("Neue Fassung");
+        updated.setLabel("Anrede");
+
+        when(userService.findByUsername(any())).thenReturn(mockUser());
+        when(transcriptionService.updateBlock(eq(DOC_ID), eq(BLOCK_ID), any(), any()))
+                .thenReturn(updated);
+
+        mockMvc.perform(put(URL_BLOCK)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(UPDATE_JSON))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.text").value("Neue Fassung"))
+                .andExpect(jsonPath("$.label").value("Anrede"));
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void updateBlock_returns404_whenBlockDoesNotExist() throws Exception {
+        when(userService.findByUsername(any())).thenReturn(mockUser());
+        when(transcriptionService.updateBlock(any(), any(), any(), any()))
+                .thenThrow(DomainException.notFound(ErrorCode.TRANSCRIPTION_BLOCK_NOT_FOUND, "not found"));
+
+        mockMvc.perform(put(URL_BLOCK)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(UPDATE_JSON))
+                .andExpect(status().isNotFound());
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void updateBlock_returns401_whenUserNotFoundInDatabase() throws Exception {
+        when(userService.findByUsername(any())).thenReturn(null);
+
+        mockMvc.perform(put(URL_BLOCK)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(UPDATE_JSON))
+                .andExpect(status().isUnauthorized());
+    }
+
+    // ─── DELETE /api/documents/{id}/transcription-blocks/{blockId} ───────────
+
+    @Test
+    void deleteBlock_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(delete(URL_BLOCK))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void deleteBlock_returns403_whenMissingWriteAllPermission() throws Exception {
+        mockMvc.perform(delete(URL_BLOCK))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void deleteBlock_returns204_whenAuthorised() throws Exception {
+        mockMvc.perform(delete(URL_BLOCK))
+                .andExpect(status().isNoContent());
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void deleteBlock_returns404_whenBlockDoesNotExist() throws Exception {
+        org.mockito.Mockito.doThrow(
+                DomainException.notFound(ErrorCode.TRANSCRIPTION_BLOCK_NOT_FOUND, "not found"))
+                .when(transcriptionService).deleteBlock(any(), any());
+
+        mockMvc.perform(delete(URL_BLOCK))
+                .andExpect(status().isNotFound());
+    }
+
+    // ─── PUT /api/documents/{id}/transcription-blocks/reorder ────────────────
+
+    @Test
+    void reorderBlocks_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(put(URL_REORDER)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(REORDER_JSON))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void reorderBlocks_returns403_whenMissingWriteAllPermission() throws Exception {
+        mockMvc.perform(put(URL_REORDER)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(REORDER_JSON))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "WRITE_ALL")
+    void reorderBlocks_returns200_withReorderedBlocks_whenAuthorised() throws Exception {
+        when(transcriptionService.listBlocks(DOC_ID)).thenReturn(List.of(sampleBlock()));
+
+        mockMvc.perform(put(URL_REORDER)
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(REORDER_JSON))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isArray());
+    }
+
+    // ─── GET /api/documents/{id}/transcription-blocks/{blockId}/history ──────
+
+    @Test
+    void getBlockHistory_returns401_whenUnauthenticated() throws Exception {
+        mockMvc.perform(get(URL_HISTORY))
+                .andExpect(status().isUnauthorized());
+    }
+
+    @Test
+    @WithMockUser
+    void getBlockHistory_returns403_whenMissingReadAllPermission() throws Exception {
+        mockMvc.perform(get(URL_HISTORY))
+                .andExpect(status().isForbidden());
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void getBlockHistory_returns200_withVersionList_whenAuthorised() throws Exception {
+        TranscriptionBlockVersion v = TranscriptionBlockVersion.builder()
+                .id(UUID.randomUUID()).blockId(BLOCK_ID).text("v1").build();
+        when(transcriptionService.getBlockHistory(DOC_ID, BLOCK_ID)).thenReturn(List.of(v));
+
+        mockMvc.perform(get(URL_HISTORY))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$[0].text").value("v1"))
+                .andExpect(jsonPath("$[0].blockId").value(BLOCK_ID.toString()));
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void getBlockHistory_returns404_whenBlockDoesNotExist() throws Exception {
+        when(transcriptionService.getBlockHistory(any(), any()))
+                .thenThrow(DomainException.notFound(ErrorCode.TRANSCRIPTION_BLOCK_NOT_FOUND, "not found"));
+
+        mockMvc.perform(get(URL_HISTORY))
+                .andExpect(status().isNotFound());
+    }
+
+    @Test
+    @WithMockUser(authorities = "READ_ALL")
+    void getBlockHistory_returns200_withEmptyList_whenNoVersionsExist() throws Exception {
+        when(transcriptionService.getBlockHistory(any(), any())).thenReturn(List.of());
+
+        mockMvc.perform(get(URL_HISTORY))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isEmpty());
+    }
+}

backend/src/test/java/org/raddatz/familienarchiv/repository/TranscriptionBlockRepositoryTest.java

@@ -0,0 +1,193 @@
+package org.raddatz.familienarchiv.repository;
+
+import jakarta.persistence.EntityManager;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.raddatz.familienarchiv.PostgresContainerConfig;
+import org.raddatz.familienarchiv.config.FlywayConfig;
+import org.raddatz.familienarchiv.model.*;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.jdbc.test.autoconfigure.AutoConfigureTestDatabase;
+import org.springframework.boot.data.jpa.test.autoconfigure.DataJpaTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DataJpaTest
+@AutoConfigureTestDatabase(replace = AutoConfigureTestDatabase.Replace.NONE)
+@Import({PostgresContainerConfig.class, FlywayConfig.class})
+class TranscriptionBlockRepositoryTest {
+
+    @Autowired TranscriptionBlockRepository blockRepository;
+    @Autowired TranscriptionBlockVersionRepository versionRepository;
+    @Autowired DocumentRepository documentRepository;
+    @Autowired AnnotationRepository annotationRepository;
+    @Autowired EntityManager em;
+
+    private UUID documentId;
+    private UUID annotationId;
+
+    @BeforeEach
+    void setUp() {
+        Document doc = documentRepository.save(Document.builder()
+                .title("Testbrief")
+                .originalFilename("brief.pdf")
+                .status(DocumentStatus.UPLOADED)
+                .build());
+        documentId = doc.getId();
+
+        DocumentAnnotation annotation = annotationRepository.save(DocumentAnnotation.builder()
+                .documentId(documentId)
+                .pageNumber(1)
+                .x(0.1).y(0.2).width(0.3).height(0.4)
+                .color("#00C7B1")
+                .build());
+        annotationId = annotation.getId();
+    }
+
+    // ─── findByDocumentIdOrderBySortOrderAsc ─────────────────────────────────
+
+    @Test
+    void findByDocumentIdOrderBySortOrderAsc_returnsBlocksInSortOrder() {
+        blockRepository.save(block("Block B", 1));
+        blockRepository.save(block("Block A", 0));
+        blockRepository.save(block("Block C", 2));
+
+        List<TranscriptionBlock> result = blockRepository.findByDocumentIdOrderBySortOrderAsc(documentId);
+
+        assertThat(result).hasSize(3);
+        assertThat(result.get(0).getText()).isEqualTo("Block A");
+        assertThat(result.get(1).getText()).isEqualTo("Block B");
+        assertThat(result.get(2).getText()).isEqualTo("Block C");
+    }
+
+    @Test
+    void findByDocumentIdOrderBySortOrderAsc_returnsEmptyList_whenNoBlocksForDocument() {
+        UUID otherId = UUID.randomUUID();
+        List<TranscriptionBlock> result = blockRepository.findByDocumentIdOrderBySortOrderAsc(otherId);
+        assertThat(result).isEmpty();
+    }
+
+    @Test
+    void findByDocumentIdOrderBySortOrderAsc_doesNotReturnBlocksFromOtherDocument() {
+        blockRepository.save(block("My block", 0));
+
+        Document other = documentRepository.save(Document.builder()
+                .title("Anderer Brief").originalFilename("other.pdf").status(DocumentStatus.PLACEHOLDER).build());
+
+        List<TranscriptionBlock> result = blockRepository.findByDocumentIdOrderBySortOrderAsc(other.getId());
+        assertThat(result).isEmpty();
+    }
+
+    // ─── findByIdAndDocumentId ────────────────────────────────────────────────
+
+    @Test
+    void findByIdAndDocumentId_returnsBlock_whenBothMatch() {
+        TranscriptionBlock saved = blockRepository.save(block("Liebe Tante,", 0));
+
+        Optional<TranscriptionBlock> found = blockRepository.findByIdAndDocumentId(saved.getId(), documentId);
+
+        assertThat(found).isPresent();
+        assertThat(found.get().getText()).isEqualTo("Liebe Tante,");
+    }
+
+    @Test
+    void findByIdAndDocumentId_returnsEmpty_whenDocumentIdDoesNotMatch() {
+        TranscriptionBlock saved = blockRepository.save(block("Liebe Tante,", 0));
+
+        Optional<TranscriptionBlock> found = blockRepository.findByIdAndDocumentId(saved.getId(), UUID.randomUUID());
+
+        assertThat(found).isEmpty();
+    }
+
+    @Test
+    void findByIdAndDocumentId_returnsEmpty_whenBlockIdDoesNotExist() {
+        Optional<TranscriptionBlock> found = blockRepository.findByIdAndDocumentId(UUID.randomUUID(), documentId);
+        assertThat(found).isEmpty();
+    }
+
+    // ─── countByDocumentId ────────────────────────────────────────────────────
+
+    @Test
+    void countByDocumentId_returnsZero_whenNoBlocksExist() {
+        assertThat(blockRepository.countByDocumentId(documentId)).isZero();
+    }
+
+    @Test
+    void countByDocumentId_returnsCorrectCount_afterMultipleSaves() {
+        blockRepository.save(block("Block 1", 0));
+        blockRepository.save(block("Block 2", 1));
+        blockRepository.save(block("Block 3", 2));
+
+        assertThat(blockRepository.countByDocumentId(documentId)).isEqualTo(3);
+    }
+
+    @Test
+    void countByDocumentId_doesNotCountBlocksFromOtherDocument() {
+        blockRepository.save(block("Block 1", 0));
+
+        UUID otherId = UUID.randomUUID();
+        assertThat(blockRepository.countByDocumentId(otherId)).isZero();
+    }
+
+    // ─── version (optimistic lock) ────────────────────────────────────────────
+
+    @Test
+    void version_startsAtZero_andIncrementsOnEachSave() {
+        TranscriptionBlock saved = blockRepository.saveAndFlush(block("initial", 0));
+        assertThat(saved.getVersion()).isZero();
+
+        saved.setText("updated");
+        TranscriptionBlock updated = blockRepository.saveAndFlush(saved);
+        assertThat(updated.getVersion()).isEqualTo(1);
+    }
+
+    // ─── cascade: deleting a block cascades to its versions ──────────────────
+
+    @Test
+    @Transactional
+    void delete_cascadesToVersions() {
+        TranscriptionBlock block = blockRepository.saveAndFlush(block("text", 0));
+        versionRepository.saveAndFlush(TranscriptionBlockVersion.builder()
+                .blockId(block.getId()).text("text").build());
+
+        assertThat(versionRepository.findByBlockIdOrderByChangedAtDesc(block.getId())).hasSize(1);
+
+        blockRepository.delete(block);
+        blockRepository.flush();
+        em.clear();
+
+        assertThat(versionRepository.findByBlockIdOrderByChangedAtDesc(block.getId())).isEmpty();
+    }
+
+    // ─── cascade: deleting a document cascades to its blocks ─────────────────
+
+    @Test
+    @Transactional
+    void deleteDocument_cascadesToBlocks() {
+        blockRepository.saveAndFlush(block("text", 0));
+        assertThat(blockRepository.findByDocumentIdOrderBySortOrderAsc(documentId)).hasSize(1);
+
+        documentRepository.deleteById(documentId);
+        documentRepository.flush();
+        em.clear();
+
+        assertThat(blockRepository.findByDocumentIdOrderBySortOrderAsc(documentId)).isEmpty();
+    }
+
+    // ─── helper ──────────────────────────────────────────────────────────────
+
+    private TranscriptionBlock block(String text, int sortOrder) {
+        return TranscriptionBlock.builder()
+                .annotationId(annotationId)
+                .documentId(documentId)
+                .text(text)
+                .sortOrder(sortOrder)
+                .build();
+    }
+}

frontend/e2e/annotations.spec.ts

@@ -0,0 +1,272 @@
+import { test, expect, type Page } from '@playwright/test';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import fs from 'fs';
+import { AxeBuilder } from '@axe-core/playwright';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const PDF_FIXTURE = path.resolve(__dirname, 'fixtures/minimal.pdf');
+
+/**
+ * E2E tests for the annotation overlay and transcribe-mode UI — issue #176.
+ *
+ * Strategy:
+ * - Transcription blocks are seeded via API in beforeAll — no canvas drawing in CI.
+ * - Browser tests verify transcribe-mode toggling, annotation overlay rendering,
+ *   the visibility toggle, and scroll-sync between annotations and blocks.
+ */
+
+let docHref: string;
+let docId: string;
+let annotAId: string;
+let annotBId: string;
+let blockAId: string;
+
+test.describe('Annotation overlay and transcribe mode', () => {
+	test.beforeAll(async ({ request }) => {
+		const baseURL = process.env.E2E_BASE_URL ?? 'http://localhost:3000';
+
+		// 1. Create a document and upload a PDF so the annotation layer is active.
+		const createRes = await request.post('/api/documents', {
+			multipart: { title: 'E2E Annotation Test', documentDate: '1945-05-08' }
+		});
+		if (!createRes.ok()) throw new Error(`Create document failed: ${createRes.status()}`);
+		const doc = await createRes.json();
+		docId = doc.id;
+		docHref = `${baseURL}/documents/${docId}`;
+
+		const uploadRes = await request.put(`/api/documents/${docId}`, {
+			multipart: {
+				title: doc.title,
+				documentDate: '1945-05-08',
+				file: {
+					name: 'minimal.pdf',
+					mimeType: 'application/pdf',
+					buffer: fs.readFileSync(PDF_FIXTURE)
+				}
+			}
+		});
+		if (!uploadRes.ok()) throw new Error(`Upload PDF failed: ${uploadRes.status()}`);
+
+		// 2. Create two transcription blocks (each brings its own annotation).
+		const blockARes = await request.post(`/api/documents/${docId}/transcription-blocks`, {
+			data: {
+				pageNumber: 1,
+				x: 0.1,
+				y: 0.1,
+				width: 0.3,
+				height: 0.1,
+				text: 'Erste Zeile.',
+				label: 'Anrede'
+			}
+		});
+		if (!blockARes.ok()) throw new Error(`Create block A failed: ${blockARes.status()}`);
+		const blockA = await blockARes.json();
+		blockAId = blockA.id;
+		annotAId = blockA.annotationId;
+
+		const blockBRes = await request.post(`/api/documents/${docId}/transcription-blocks`, {
+			data: {
+				pageNumber: 1,
+				x: 0.1,
+				y: 0.35,
+				width: 0.3,
+				height: 0.1,
+				text: 'Zweite Zeile.',
+				label: null
+			}
+		});
+		if (!blockBRes.ok()) throw new Error(`Create block B failed: ${blockBRes.status()}`);
+		const blockB = await blockBRes.json();
+		annotBId = blockB.annotationId;
+	});
+
+	/**
+	 * Navigate to the document, enter transcribe mode, and wait until the PDF
+	 * has fully rendered (page counter appears) and the annotation rect is visible.
+	 * Centralises the timing gate used by multiple tests.
+	 */
+	async function openTranscribeMode(page: Page, annotationId: string) {
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkribieren' }).click();
+		// Wait for the PDF to finish loading — the page counter only renders when totalPages > 0
+		await page.locator('.tabular-nums').waitFor({ timeout: 15_000 });
+		// Wait for annotation rect (annotations API) and at least one block textarea (blocks API)
+		// to be ready — these are two independent fetches.
+		await Promise.all([
+			page.locator(`[data-testid="annotation-${annotationId}"]`).waitFor({ timeout: 10_000 }),
+			page.getByRole('textbox').first().waitFor({ timeout: 10_000 })
+		]);
+	}
+
+	// ─── Transcribe mode toggle ────────────────────────────────────────────────
+
+	test('Transkribieren button is visible on a PDF document', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+
+		await expect(page.getByRole('button', { name: 'Transkribieren' })).toBeVisible();
+		await page.screenshot({ path: 'test-results/e2e/annotation-transcribe-btn.png' });
+	});
+
+	test('clicking Transkribieren enters transcribe mode and shows the Fertig button', async ({
+		page
+	}) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+
+		await page.getByRole('button', { name: 'Transkribieren' }).click();
+
+		await expect(page.getByRole('button', { name: 'Fertig' })).toBeVisible();
+		await expect(page.getByRole('button', { name: 'Transkribieren' })).not.toBeVisible();
+
+		await page.screenshot({ path: 'test-results/e2e/annotation-transcribe-mode-active.png' });
+	});
+
+	test('clicking Fertig exits transcribe mode and restores the Transkribieren button', async ({
+		page
+	}) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+
+		await page.getByRole('button', { name: 'Transkribieren' }).click();
+		await expect(page.getByRole('button', { name: 'Fertig' })).toBeVisible();
+
+		await page.getByRole('button', { name: 'Fertig' }).click();
+
+		await expect(page.getByRole('button', { name: 'Transkribieren' })).toBeVisible();
+		await expect(page.getByRole('button', { name: 'Fertig' })).not.toBeVisible();
+	});
+
+	test('pressing Escape exits transcribe mode', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+
+		await page.getByRole('button', { name: 'Transkribieren' }).click();
+		await expect(page.getByRole('button', { name: 'Fertig' })).toBeVisible();
+
+		await page.keyboard.press('Escape');
+
+		await expect(page.getByRole('button', { name: 'Transkribieren' })).toBeVisible();
+	});
+
+	// ─── Annotation overlay rendering ─────────────────────────────────────────
+
+	test('annotation rects are rendered on the PDF after entering transcribe mode', async ({
+		page
+	}) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		await expect(page.locator(`[data-testid="annotation-${annotAId}"]`)).toBeVisible();
+		await expect(page.locator(`[data-testid="annotation-${annotBId}"]`)).toBeVisible();
+
+		await page.screenshot({ path: 'test-results/e2e/annotation-rects-rendered.png' });
+	});
+
+	test('numbered badges appear on annotation rects', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		const annotA = page.locator(`[data-testid="annotation-${annotAId}"]`);
+		await expect(annotA.locator('div', { hasText: '1' })).toBeVisible();
+
+		await page.screenshot({ path: 'test-results/e2e/annotation-numbered-badges.png' });
+	});
+
+	// ─── Annotation visibility toggle ─────────────────────────────────────────
+
+	test('annotation visibility toggle button appears when annotations exist', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		await expect(page.getByRole('button', { name: 'Annotierungen verbergen' })).toBeVisible();
+	});
+
+	test('clicking the visibility toggle hides annotation rects', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		await page.getByRole('button', { name: 'Annotierungen verbergen' }).click();
+
+		await expect(page.locator(`[data-testid="annotation-${annotAId}"]`)).not.toBeVisible();
+		await expect(page.getByRole('button', { name: 'Annotierungen anzeigen' })).toBeVisible();
+
+		await page.screenshot({ path: 'test-results/e2e/annotation-hidden.png' });
+	});
+
+	test('clicking the visibility toggle again restores annotation rects', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		await page.getByRole('button', { name: 'Annotierungen verbergen' }).click();
+		await page.getByRole('button', { name: 'Annotierungen anzeigen' }).click();
+
+		await expect(page.locator(`[data-testid="annotation-${annotAId}"]`)).toBeVisible();
+	});
+
+	// ─── Scroll-sync: annotation → block ──────────────────────────────────────
+
+	test('clicking an annotation rect scrolls the matching block into view in the right panel', async ({
+		page
+	}) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		await page.locator(`[data-testid="annotation-${annotAId}"]`).click();
+
+		await expect(page.locator(`[data-block-id="${blockAId}"]`)).toBeVisible({ timeout: 5_000 });
+
+		await page.screenshot({ path: 'test-results/e2e/annotation-click-scroll-sync.png' });
+	});
+
+	test('clicking annotation B activates the corresponding block in the panel', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotBId);
+
+		await page.locator(`[data-testid="annotation-${annotBId}"]`).click();
+
+		// Block B's annotation should become active (full opacity), A's should dim
+		await expect(page.locator(`[data-testid="annotation-${annotBId}"]`)).toHaveCSS('opacity', '1');
+		await expect(page.locator(`[data-testid="annotation-${annotAId}"]`)).toHaveCSS(
+			'opacity',
+			'0.3'
+		);
+	});
+
+	// ─── Scroll-sync: block → annotation (dimming) ────────────────────────────
+
+	test('focusing a block dims all other annotation rects', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		// Focus block A's textarea to set it as active
+		await page.getByRole('textbox').first().click();
+
+		// Non-active annotation (B) must be dimmed
+		await expect(page.locator(`[data-testid="annotation-${annotBId}"]`)).toHaveCSS(
+			'opacity',
+			'0.3'
+		);
+
+		// Active annotation (A) must be at full opacity
+		await expect(page.locator(`[data-testid="annotation-${annotAId}"]`)).toHaveCSS('opacity', '1');
+
+		await page.screenshot({ path: 'test-results/e2e/annotation-dimming.png' });
+	});
+
+	// ─── Accessibility ─────────────────────────────────────────────────────────
+
+	test('transcribe mode passes axe accessibility check', async ({ page }) => {
+		test.setTimeout(40_000);
+		await openTranscribeMode(page, annotAId);
+
+		const results = await new AxeBuilder({ page }).analyze();
+		expect(results.violations).toHaveLength(0);
+	});
+});

frontend/e2e/transcription.spec.ts

@@ -0,0 +1,296 @@
+import { test, expect } from '@playwright/test';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import fs from 'fs';
+import { AxeBuilder } from '@axe-core/playwright';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const PDF_FIXTURE = path.resolve(__dirname, 'fixtures/minimal.pdf');
+
+/**
+ * E2E tests for the annotation-backed transcription system — issue #176.
+ *
+ * Strategy:
+ * - Transcription blocks are created via API in beforeAll (no need to draw on canvas in CI).
+ * - Browser tests verify rendering, editing, auto-save feedback, reordering, deletion, and a11y.
+ */
+
+let docHref: string;
+let docId: string;
+
+test.describe('Transcription panel', () => {
+	test.beforeAll(async ({ request }) => {
+		const baseURL = process.env.E2E_BASE_URL ?? 'http://localhost:3000';
+
+		// 1. Create a document with a PDF so the Transkription tab is meaningful.
+		const createRes = await request.post('/api/documents', {
+			multipart: {
+				title: 'E2E Transkription Test',
+				documentDate: '1945-05-08'
+			}
+		});
+		if (!createRes.ok()) throw new Error(`Create document failed: ${createRes.status()}`);
+		const doc = await createRes.json();
+		docId = doc.id;
+		docHref = `${baseURL}/documents/${docId}`;
+
+		await request.put(`/api/documents/${docId}`, {
+			multipart: {
+				title: doc.title,
+				documentDate: '1945-05-08',
+				file: {
+					name: 'minimal.pdf',
+					mimeType: 'application/pdf',
+					buffer: fs.readFileSync(PDF_FIXTURE)
+				}
+			}
+		});
+
+		// 2. Create a document_annotation so we can attach blocks to it.
+		const annotARes = await request.post(`/api/documents/${docId}/annotations`, {
+			data: { pageNumber: 1, x: 0.1, y: 0.1, width: 0.2, height: 0.1, color: '#00C7B1' }
+		});
+		if (!annotARes.ok()) throw new Error(`Create annotation A failed: ${annotARes.status()}`);
+		const annotA = await annotARes.json();
+
+		const annotBRes = await request.post(`/api/documents/${docId}/annotations`, {
+			data: { pageNumber: 1, x: 0.1, y: 0.3, width: 0.2, height: 0.1, color: '#00C7B1' }
+		});
+		if (!annotBRes.ok()) throw new Error(`Create annotation B failed: ${annotBRes.status()}`);
+		const annotB = await annotBRes.json();
+
+		// 3. Create two transcription blocks via API.
+		const blockARes = await request.post(`/api/documents/${docId}/transcription-blocks`, {
+			data: {
+				pageNumber: 1,
+				x: annotA.x,
+				y: annotA.y,
+				width: annotA.width,
+				height: annotA.height,
+				text: 'Liebe Mutter,',
+				label: 'Anrede'
+			}
+		});
+		if (!blockARes.ok()) throw new Error(`Create block A failed: ${blockARes.status()}`);
+		await blockARes.json();
+
+		const blockBRes = await request.post(`/api/documents/${docId}/transcription-blocks`, {
+			data: {
+				pageNumber: 1,
+				x: annotB.x,
+				y: annotB.y,
+				width: annotB.width,
+				height: annotB.height,
+				text: 'ich schreibe dir aus Breslau.',
+				label: null
+			}
+		});
+		if (!blockBRes.ok()) throw new Error(`Create block B failed: ${blockBRes.status()}`);
+		await blockBRes.json();
+	});
+
+	// ─── Tab visibility ────────────────────────────────────────────────────────
+
+	test('Transkription tab is visible in the bottom panel tab bar', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+
+		await expect(page.getByRole('button', { name: 'Transkription' })).toBeVisible();
+		await page.screenshot({ path: 'test-results/e2e/transcription-tab-visible.png' });
+	});
+
+	// ─── Block rendering ──────────────────────────────────────────────────────
+
+	test('blocks are rendered in sort order with correct text and label', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		await expect(page.getByText('Liebe Mutter,')).toBeVisible();
+		await expect(page.getByText('ich schreibe dir aus Breslau.')).toBeVisible();
+		// Label for block A
+		await expect(page.getByText('Anrede')).toBeVisible();
+
+		await page.screenshot({ path: 'test-results/e2e/transcription-blocks-rendered.png' });
+	});
+
+	test('block numbers are rendered in turquoise badge', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		// Block 1 and 2 badges must be visible
+		await expect(page.getByText('1').first()).toBeVisible();
+		await expect(page.getByText('2').first()).toBeVisible();
+	});
+
+	test('next-block CTA shows Block 3 hint after two blocks', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		await expect(page.getByText(/Block 3/)).toBeVisible();
+	});
+
+	// ─── Text editing & auto-save feedback ────────────────────────────────────
+
+	test('editing a block shows "Speichere..." then "Gespeichert" indicator', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		const firstTextarea = page.getByRole('textbox').first();
+		await firstTextarea.click();
+		await firstTextarea.fill('Liebe Mutter, ich bin wohlauf.');
+
+		// "Speichere..." should appear (debounce triggers after 1.5s)
+		await expect(page.getByText(/Speichere\.\.\./)).toBeVisible({ timeout: 5000 });
+		// After save completes, "Gespeichert ✓" appears
+		await expect(page.getByText(/Gespeichert/)).toBeVisible({ timeout: 8000 });
+
+		await page.screenshot({ path: 'test-results/e2e/transcription-autosave.png' });
+	});
+
+	test('edited text persists after page reload', async ({ page }) => {
+		test.setTimeout(40_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		const firstTextarea = page.getByRole('textbox').first();
+		await firstTextarea.fill('Persistierter Text');
+
+		// Wait for auto-save to complete
+		await expect(page.getByText(/Gespeichert/)).toBeVisible({ timeout: 8000 });
+
+		// Reload
+		await page.reload();
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+
+		await expect(page.getByText('Persistierter Text')).toBeVisible();
+	});
+
+	// ─── Block reordering ─────────────────────────────────────────────────────
+
+	test('move-up button is disabled on the first block', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		const upButtons = page.getByRole('button', { name: 'Nach oben' });
+		await expect(upButtons.first()).toBeDisabled();
+	});
+
+	test('move-down button is disabled on the last block', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		const downButtons = page.getByRole('button', { name: 'Nach unten' });
+		await expect(downButtons.last()).toBeDisabled();
+	});
+
+	test('clicking move-down on the first block swaps block order', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		const textareas = page.getByRole('textbox');
+		const before = await textareas.first().inputValue();
+
+		const downButtons = page.getByRole('button', { name: 'Nach unten' });
+		await downButtons.first().click();
+
+		// After reorder, the block that was second should now appear first
+		const after = await textareas.first().inputValue();
+		expect(after).not.toBe(before);
+
+		await page.screenshot({ path: 'test-results/e2e/transcription-reorder.png' });
+	});
+
+	// ─── Block deletion ───────────────────────────────────────────────────────
+
+	test('cancelling delete confirmation keeps the block', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		// Dismiss the confirm dialog automatically
+		page.once('dialog', (dialog) => dialog.dismiss());
+
+		const deleteBtn = page.getByRole('button', { name: 'Löschen' }).first();
+		await deleteBtn.click();
+
+		// Block should still be present
+		await expect(page.getByRole('textbox').first()).toBeVisible();
+	});
+
+	// ─── Comment thread ───────────────────────────────────────────────────────
+
+	test('clicking Kommentieren button opens comment compose in the block', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		await page.getByText('Kommentieren').first().click();
+
+		await expect(page.getByPlaceholder(/Kommentar/)).toBeVisible();
+
+		await page.screenshot({ path: 'test-results/e2e/transcription-comment-open.png' });
+	});
+
+	// ─── Accessibility ────────────────────────────────────────────────────────
+
+	test('transcription panel passes axe accessibility check', async ({ page }) => {
+		test.setTimeout(30_000);
+		await page.goto(docHref);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		const results = await new AxeBuilder({ page }).analyze();
+		expect(results.violations).toHaveLength(0);
+	});
+
+	// ─── Empty state ──────────────────────────────────────────────────────────
+
+	test('shows empty state when document has no transcription blocks', async ({ page, request }) => {
+		test.setTimeout(30_000);
+		const baseURL = process.env.E2E_BASE_URL ?? 'http://localhost:3000';
+
+		const emptyDocRes = await request.post('/api/documents', {
+			multipart: { title: 'E2E Empty Transcription Test' }
+		});
+		if (!emptyDocRes.ok()) throw new Error(`Create empty doc failed: ${emptyDocRes.status()}`);
+		const emptyDoc = await emptyDocRes.json();
+
+		await page.goto(`${baseURL}/documents/${emptyDoc.id}`);
+		await page.waitForSelector('[data-hydrated]');
+		await page.getByRole('button', { name: 'Transkription' }).click();
+		await page.waitForSelector('[data-testid="bottom-panel-content"]');
+
+		await expect(page.getByText(/Markiere einen Bereich/)).toBeVisible();
+		await page.screenshot({ path: 'test-results/e2e/transcription-empty-state.png' });
+	});
+});

frontend/eslint.config.js

@@ -12,6 +12,7 @@ const gitignorePath = fileURLToPath(new URL('./.gitignore', import.meta.url));
 
 export default defineConfig(
 	includeIgnoreFile(gitignorePath),
+	{ ignores: ['src/paraglide/**'] },
 	js.configs.recommended,
 	...ts.configs.recommended,
 	...svelte.configs.recommended,

frontend/src/lib/components/TranscriptionBlock.svelte.spec.ts

@@ -159,3 +159,59 @@ describe('TranscriptionBlock — reorder controls', () => {
 		expect(onMoveDown).toHaveBeenCalled();
 	});
 });
+
+// ─── Delete confirmation ──────────────────────────────────────────────────────
+
+describe('TranscriptionBlock — delete confirmation', () => {
+	it('does not call onDeleteClick when user cancels confirm dialog', async () => {
+		const onDeleteClick = vi.fn();
+		vi.spyOn(window, 'confirm').mockReturnValue(false);
+		renderBlock({ onDeleteClick });
+
+		const deleteBtn = page.getByRole('button', { name: 'Löschen' });
+		await deleteBtn.click();
+
+		expect(onDeleteClick).not.toHaveBeenCalled();
+		vi.restoreAllMocks();
+	});
+
+	it('calls onDeleteClick when user confirms deletion', async () => {
+		const onDeleteClick = vi.fn();
+		vi.spyOn(window, 'confirm').mockReturnValue(true);
+		renderBlock({ onDeleteClick });
+
+		const deleteBtn = page.getByRole('button', { name: 'Löschen' });
+		await deleteBtn.click();
+
+		expect(onDeleteClick).toHaveBeenCalledOnce();
+		vi.restoreAllMocks();
+	});
+});
+
+// ─── Quote selection ─────────────────────────────────────────────────────────
+
+describe('TranscriptionBlock — quote selection', () => {
+	it('shows quote hint after text is selected in textarea', async () => {
+		renderBlock({ text: 'Breslau, den 12. August' });
+		const textarea = page.getByRole('textbox');
+		// Select all text via keyboard shortcut to trigger mouseup with selection
+		await textarea.click();
+		await textarea.selectText();
+		// Fire mouseup to trigger the selection handler
+		await textarea.dispatchEvent('mouseup');
+		await expect.element(page.getByText(/Zitat/)).toBeInTheDocument();
+	});
+});
+
+// ─── Fading state ────────────────────────────────────────────────────────────
+
+describe('TranscriptionBlock — fading save state', () => {
+	it('shows Gespeichert text in fading state (opacity-0 fade-out)', async () => {
+		renderBlock({ saveState: 'fading' });
+		const indicator = page.getByText(/Gespeichert/);
+		await expect.element(indicator).toBeInTheDocument();
+		// The fading class sets opacity-0
+		const el = document.querySelector('.opacity-0');
+		expect(el).not.toBeNull();
+	});
+});

frontend/src/lib/components/TranscriptionEditView.svelte.spec.ts

@@ -93,3 +93,132 @@ describe('TranscriptionEditView — reorder', () => {
 		expect(handles.length).toBe(2);
 	});
 });
+
+// ─── Auto-save debounce ───────────────────────────────────────────────────────
+
+describe('TranscriptionEditView — auto-save debounce', () => {
+	it('calls onSaveBlock after 1500ms debounce when text changes', async () => {
+		vi.useFakeTimers();
+		const onSaveBlock = vi.fn().mockResolvedValue(undefined);
+		renderView({ onSaveBlock });
+
+		const textarea = page.getByRole('textbox').first();
+		await textarea.fill('Neue Zeile');
+
+		// Not called immediately
+		expect(onSaveBlock).not.toHaveBeenCalled();
+
+		// Advance past debounce
+		vi.advanceTimersByTime(1500);
+		await vi.runAllTimersAsync();
+
+		expect(onSaveBlock).toHaveBeenCalledWith('b1', 'Neue Zeile');
+		vi.useRealTimers();
+	});
+
+	it('resets debounce timer on rapid successive changes', async () => {
+		vi.useFakeTimers();
+		const onSaveBlock = vi.fn().mockResolvedValue(undefined);
+		renderView({ onSaveBlock });
+
+		const textarea = page.getByRole('textbox').first();
+		await textarea.fill('First');
+		vi.advanceTimersByTime(500);
+
+		await textarea.fill('Second');
+		vi.advanceTimersByTime(500);
+
+		// 1000ms elapsed since first change — should not have saved yet
+		expect(onSaveBlock).not.toHaveBeenCalled();
+
+		vi.advanceTimersByTime(1000);
+		await vi.runAllTimersAsync();
+
+		// Only one save with the final value
+		expect(onSaveBlock).toHaveBeenCalledTimes(1);
+		expect(onSaveBlock).toHaveBeenCalledWith('b1', 'Second');
+		vi.useRealTimers();
+	});
+});
+
+// ─── Save state transitions ───────────────────────────────────────────────────
+
+describe('TranscriptionEditView — save state indicators', () => {
+	it('shows saving indicator while onSaveBlock is in-flight', async () => {
+		vi.useFakeTimers();
+		let resolveSave!: () => void;
+		const onSaveBlock = vi.fn().mockReturnValue(new Promise<void>((r) => (resolveSave = r)));
+		renderView({ onSaveBlock });
+
+		await page.getByRole('textbox').first().fill('Hello');
+		vi.advanceTimersByTime(1500);
+		await vi.runAllTimersAsync();
+
+		await expect.element(page.getByText('Speichere...')).toBeInTheDocument();
+
+		resolveSave();
+		vi.useRealTimers();
+	});
+
+	it('shows error state when onSaveBlock rejects', async () => {
+		vi.useFakeTimers();
+		const onSaveBlock = vi.fn().mockRejectedValue(new Error('network'));
+		renderView({ onSaveBlock });
+
+		await page.getByRole('textbox').first().fill('Fails');
+		vi.advanceTimersByTime(1500);
+		await vi.runAllTimersAsync();
+
+		await expect.element(page.getByText('Nicht gespeichert')).toBeInTheDocument();
+		await expect.element(page.getByText('Erneut versuchen')).toBeInTheDocument();
+		vi.useRealTimers();
+	});
+});
+
+// ─── Flush on blur ────────────────────────────────────────────────────────────
+
+describe('TranscriptionEditView — flush on blur', () => {
+	it('flushes pending save immediately on textarea blur before debounce expires', async () => {
+		vi.useFakeTimers();
+		const onSaveBlock = vi.fn().mockResolvedValue(undefined);
+		renderView({ onSaveBlock });
+
+		const textarea = page.getByRole('textbox').first();
+		await textarea.fill('Blur text');
+
+		// Blur before 1500ms debounce fires
+		await textarea.blur();
+
+		await vi.runAllTimersAsync();
+		expect(onSaveBlock).toHaveBeenCalledWith('b1', 'Blur text');
+		vi.useRealTimers();
+	});
+});
+
+// ─── onDeleteBlock callback ───────────────────────────────────────────────────
+
+describe('TranscriptionEditView — delete block', () => {
+	it('calls onDeleteBlock with correct blockId when delete is confirmed', async () => {
+		const onDeleteBlock = vi.fn().mockResolvedValue(undefined);
+		vi.spyOn(window, 'confirm').mockReturnValue(true);
+		renderView({ onDeleteBlock });
+
+		const deleteBtn = page.getByRole('button', { name: 'Löschen' }).first();
+		await deleteBtn.click();
+
+		expect(onDeleteBlock).toHaveBeenCalledWith('b1');
+		vi.restoreAllMocks();
+	});
+
+	it('does not call onDeleteBlock when deletion is cancelled', async () => {
+		const onDeleteBlock = vi.fn();
+		vi.spyOn(window, 'confirm').mockReturnValue(false);
+		renderView({ onDeleteBlock });
+
+		const deleteBtn = page.getByRole('button', { name: 'Löschen' }).first();
+		await deleteBtn.click();
+
+		expect(onDeleteBlock).not.toHaveBeenCalled();
+		vi.restoreAllMocks();
+	});
+});