fix: use semantic color tokens for enrich hint box

Replaced hardcoded brand-navy/brand-mint palette constants with
semantic tokens (ink, accent, accent-bg) so the hint box themes
correctly in dark mode.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/main/java/org/raddatz/familienarchiv/repository/PersonRepository.java

@@ -28,6 +28,9 @@ public interface PersonRepository extends JpaRepository<Person, UUID> {
     // Lookup by full alias string, used during ODS mass import
     Optional<Person> findByAliasIgnoreCase(String alias);
 
+    // Exact first+last name match, used for filename-based sender lookup
+    Optional<Person> findByFirstNameIgnoreCaseAndLastNameIgnoreCase(String firstName, String lastName);
+
     // --- Correspondent queries ---
 
     @Query(value = """

backend/src/main/java/org/raddatz/familienarchiv/service/DocumentService.java

@@ -63,9 +63,15 @@ public class DocumentService {
             document = existingDoc.get();
         } else {
             // New uploads from the drop zone always start as incomplete
+            ParsedFilename parsed = parseFilenameData(originalFilename);
+            Person sender = (parsed != null)
+                    ? personService.findByName(parsed.firstName(), parsed.lastName()).orElse(null)
+                    : null;
             document = Document.builder()
                     .originalFilename(originalFilename)
-                    .title(stripExtension(originalFilename))
+                    .title(parsed != null ? parsed.title() : stripExtension(originalFilename))
+                    .documentDate(parsed != null ? parsed.date() : null)
+                    .sender(sender)
                     .status(DocumentStatus.UPLOADED)
                     .metadataComplete(false)
                     .build();
@@ -356,6 +362,81 @@ public class DocumentService {
         return dot > 0 ? filename.substring(0, dot) : filename;
     }
 
+    private record ParsedFilename(LocalDate date, String firstName, String lastName) {
+        String title() {
+            String dateDisplay = String.format("%02d.%02d.%d",
+                    date.getDayOfMonth(), date.getMonthValue(), date.getYear());
+            return firstName + " " + lastName + " (" + dateDisplay + ")";
+        }
+    }
+
+    /**
+     * Parses a structured filename into its date and name components.
+     *
+     * Algorithm: split stem on "_", identify the date token (first or last segment),
+     * treat the outermost remaining segment as firstName, rest as lastName parts.
+     * Compound last names (e.g. "de_Gruyter") are supported naturally.
+     * Returns null for unrecognised filenames.
+     *
+     * Examples:
+     *   18881025_de_Gruyter_Walter.pdf  → date=1888-10-25, firstName=Walter, lastName=de Gruyter
+     *   1965-03-12_Mueller_Hans.pdf     → date=1965-03-12, firstName=Hans,   lastName=Mueller
+     *   Mueller_Hans_19650312.pdf       → date=1965-03-12, firstName=Hans,   lastName=Mueller
+     */
+    private static ParsedFilename parseFilenameData(String filename) {
+        if (filename == null) return null;
+        int dot = filename.lastIndexOf('.');
+        if (dot < 0) return null;
+        String stem = filename.substring(0, dot);
+
+        String[] parts = stem.split("_", -1);
+        if (parts.length < 3) return null;
+
+        String dateIso;
+        String[] nameParts;
+
+        String dateFromFirst = tryParseDate(parts[0]);
+        if (dateFromFirst != null) {
+            dateIso = dateFromFirst;
+            nameParts = Arrays.copyOfRange(parts, 1, parts.length);
+        } else {
+            String dateFromLast = tryParseDate(parts[parts.length - 1]);
+            if (dateFromLast == null) return null;
+            dateIso = dateFromLast;
+            nameParts = Arrays.copyOfRange(parts, 0, parts.length - 1);
+        }
+
+        if (nameParts.length < 2) return null;
+        for (String p : nameParts) {
+            if (!p.matches("\\p{L}+")) return null;
+        }
+
+        String firstName = nameParts[nameParts.length - 1];
+        String lastName = String.join(" ", Arrays.copyOfRange(nameParts, 0, nameParts.length - 1));
+        return new ParsedFilename(LocalDate.parse(dateIso), firstName, lastName);
+    }
+
+    // Used by tests and as a public utility; delegates to parseFilenameData.
+    static String titleFromFilename(String filename) {
+        if (filename == null) return null;
+        ParsedFilename parsed = parseFilenameData(filename);
+        return parsed != null ? parsed.title() : stripExtension(filename);
+    }
+
+    private static String tryParseDate(String s) {
+        if (s.matches("\\d{4}-\\d{2}-\\d{2}")) {
+            int m = Integer.parseInt(s.substring(5, 7));
+            int d = Integer.parseInt(s.substring(8, 10));
+            if (m >= 1 && m <= 12 && d >= 1 && d <= 31) return s;
+        } else if (s.matches("\\d{8}")) {
+            int m = Integer.parseInt(s.substring(4, 6));
+            int d = Integer.parseInt(s.substring(6, 8));
+            if (m >= 1 && m <= 12 && d >= 1 && d <= 31)
+                return s.substring(0, 4) + "-" + s.substring(4, 6) + "-" + s.substring(6, 8);
+        }
+        return null;
+    }
+
     private static String sha256Hex(byte[] bytes) {
         try {
             MessageDigest digest = MessageDigest.getInstance("SHA-256");

backend/src/main/java/org/raddatz/familienarchiv/service/PersonService.java

@@ -1,6 +1,7 @@
 package org.raddatz.familienarchiv.service;
 
 import java.util.List;
+import java.util.Optional;
 import java.util.UUID;
 
 import org.raddatz.familienarchiv.dto.PersonUpdateDTO;
@@ -42,6 +43,10 @@ public class PersonService {
         return personRepository.findAllById(ids);
     }
 
+    public Optional<Person> findByName(String firstName, String lastName) {
+        return personRepository.findByFirstNameIgnoreCaseAndLastNameIgnoreCase(firstName, lastName);
+    }
+
     @Transactional
     public Person findOrCreateByAlias(String rawName) {
         String alias = rawName.trim();

backend/src/test/java/org/raddatz/familienarchiv/service/DocumentServiceTest.java

@@ -10,6 +10,7 @@ import org.raddatz.familienarchiv.dto.DocumentUpdateDTO;
 import org.raddatz.familienarchiv.exception.DomainException;
 import org.raddatz.familienarchiv.model.Document;
 import org.raddatz.familienarchiv.model.DocumentStatus;
+import org.raddatz.familienarchiv.model.Person;
 import org.raddatz.familienarchiv.model.Tag;
 import org.raddatz.familienarchiv.repository.DocumentRepository;
 import org.springframework.data.domain.Sort;
@@ -419,6 +420,53 @@ class DocumentServiceTest {
         assertThat(existing.isMetadataComplete()).isTrue();
     }
 
+    @Test
+    void storeDocument_parsesDateFromFilename_forNewDocument() throws Exception {
+        MockMultipartFile file = new MockMultipartFile("file", "19650312_Mueller_Hans.pdf", "application/pdf", new byte[]{1});
+        when(documentRepository.findFirstByOriginalFilename(any())).thenReturn(Optional.empty());
+        when(documentRepository.save(any())).thenAnswer(inv -> inv.getArgument(0));
+        when(fileService.uploadFile(any(), any())).thenReturn(new FileService.UploadResult("path", "hash"));
+        when(personService.findByName(any(), any())).thenReturn(Optional.empty());
+
+        ArgumentCaptor<Document> captor = ArgumentCaptor.forClass(Document.class);
+        documentService.storeDocument(file);
+
+        verify(documentRepository).save(captor.capture());
+        assertThat(captor.getValue().getDocumentDate()).isEqualTo(java.time.LocalDate.of(1965, 3, 12));
+        assertThat(captor.getValue().getTitle()).isEqualTo("Hans Mueller (12.03.1965)");
+    }
+
+    @Test
+    void storeDocument_setsSender_whenPersonExistsForParsedName() throws Exception {
+        MockMultipartFile file = new MockMultipartFile("file", "18881025_de_Gruyter_Walter.pdf", "application/pdf", new byte[]{1});
+        Person walter = Person.builder().id(UUID.randomUUID()).firstName("Walter").lastName("de Gruyter").build();
+        when(documentRepository.findFirstByOriginalFilename(any())).thenReturn(Optional.empty());
+        when(documentRepository.save(any())).thenAnswer(inv -> inv.getArgument(0));
+        when(fileService.uploadFile(any(), any())).thenReturn(new FileService.UploadResult("path", "hash"));
+        when(personService.findByName("Walter", "de Gruyter")).thenReturn(Optional.of(walter));
+
+        ArgumentCaptor<Document> captor = ArgumentCaptor.forClass(Document.class);
+        documentService.storeDocument(file);
+
+        verify(documentRepository).save(captor.capture());
+        assertThat(captor.getValue().getSender()).isEqualTo(walter);
+    }
+
+    @Test
+    void storeDocument_leavesSenderNull_whenPersonNotFound() throws Exception {
+        MockMultipartFile file = new MockMultipartFile("file", "19650312_Mueller_Hans.pdf", "application/pdf", new byte[]{1});
+        when(documentRepository.findFirstByOriginalFilename(any())).thenReturn(Optional.empty());
+        when(documentRepository.save(any())).thenAnswer(inv -> inv.getArgument(0));
+        when(fileService.uploadFile(any(), any())).thenReturn(new FileService.UploadResult("path", "hash"));
+        when(personService.findByName(any(), any())).thenReturn(Optional.empty());
+
+        ArgumentCaptor<Document> captor = ArgumentCaptor.forClass(Document.class);
+        documentService.storeDocument(file);
+
+        verify(documentRepository).save(captor.capture());
+        assertThat(captor.getValue().getSender()).isNull();
+    }
+
     // ─── createDocument metadataComplete ─────────────────────────────────────
 
     @Test
@@ -518,4 +566,52 @@ class DocumentServiceTest {
 
         assertThat(count).isEqualTo(2);
     }
+
+    // ─── titleFromFilename ────────────────────────────────────────────────────
+
+    @Test
+    void titleFromFilename_dateIso_name() {
+        assertThat(DocumentService.titleFromFilename("1965-03-12_Mueller_Hans.pdf"))
+                .isEqualTo("Hans Mueller (12.03.1965)");
+    }
+
+    @Test
+    void titleFromFilename_dateCompact_name() {
+        assertThat(DocumentService.titleFromFilename("19650312_Mueller_Hans.pdf"))
+                .isEqualTo("Hans Mueller (12.03.1965)");
+    }
+
+    @Test
+    void titleFromFilename_name_dateIso() {
+        assertThat(DocumentService.titleFromFilename("Mueller_Hans_1965-03-12.pdf"))
+                .isEqualTo("Hans Mueller (12.03.1965)");
+    }
+
+    @Test
+    void titleFromFilename_name_dateCompact() {
+        assertThat(DocumentService.titleFromFilename("Mueller_Hans_19650312.pdf"))
+                .isEqualTo("Hans Mueller (12.03.1965)");
+    }
+
+    @Test
+    void titleFromFilename_compound_lastName_dateFirst() {
+        assertThat(DocumentService.titleFromFilename("18881025_de_Gruyter_Walter.pdf"))
+                .isEqualTo("Walter de Gruyter (25.10.1888)");
+    }
+
+    @Test
+    void titleFromFilename_compound_lastName_dateLast() {
+        assertThat(DocumentService.titleFromFilename("de_Gruyter_Walter_18881025.pdf"))
+                .isEqualTo("Walter de Gruyter (25.10.1888)");
+    }
+
+    @Test
+    void titleFromFilename_fallsBackToStripExtension() {
+        assertThat(DocumentService.titleFromFilename("scan_001.pdf")).isEqualTo("scan_001");
+    }
+
+    @Test
+    void titleFromFilename_null_returnsNull() {
+        assertThat(DocumentService.titleFromFilename(null)).isNull();
+    }
 }

frontend/messages/de.json

@@ -268,8 +268,9 @@
 	"doc_panel_discussion_annotation_tab": "Annotation · Seite {page}",
 	"pdf_annotations_show": "Annotierungen anzeigen",
 	"pdf_annotations_hide": "Annotierungen verbergen",
-	"upload_drop_hint": "Dateien ablegen oder auswählen",
+	"upload_drop_hint": "Einzeln oder mehrere Dateien auf einmal hochladen",
 	"upload_accepted_types": "PDF, JPEG, PNG, TIFF",
+	"upload_filename_hint": "Tipp: 2024-03-15_Mueller_Hans.pdf → Datum und Absender werden vorausgefüllt",
 	"upload_success": "{count} Dokument(e) erstellt",
 	"upload_duplicate": "{filename} existiert bereits —",
 	"upload_duplicate_link": "Zum Dokument",
@@ -290,5 +291,7 @@
 	"enrich_skip": "Überspringen",
 	"enrich_done_heading": "Alles erledigt!",
 	"enrich_done_body": "Alle Dokumente wurden bearbeitet.",
-	"enrich_back_to_list": "Zurück zur Liste"
+	"enrich_back_to_list": "Zurück zur Liste",
+	"comment_empty_hint": "Noch keine Kommentare – starte die Diskussion!",
+	"comment_start_discussion": "Diskussion starten →"
 }

frontend/messages/en.json

@@ -268,8 +268,9 @@
 	"doc_panel_discussion_annotation_tab": "Annotation · Page {page}",
 	"pdf_annotations_show": "Show annotations",
 	"pdf_annotations_hide": "Hide annotations",
-	"upload_drop_hint": "Drop files or click to select",
+	"upload_drop_hint": "Drop one or multiple files at once",
 	"upload_accepted_types": "PDF, JPEG, PNG, TIFF",
+	"upload_filename_hint": "Tip: 2024-03-15_Mueller_Hans.pdf → date and sender pre-filled",
 	"upload_success": "{count} document(s) created",
 	"upload_duplicate": "{filename} already exists —",
 	"upload_duplicate_link": "View document",
@@ -290,5 +291,7 @@
 	"enrich_skip": "Skip",
 	"enrich_done_heading": "All done!",
 	"enrich_done_body": "All documents have been processed.",
-	"enrich_back_to_list": "Back to list"
+	"enrich_back_to_list": "Back to list",
+	"comment_empty_hint": "No comments yet – start the discussion!",
+	"comment_start_discussion": "Start discussion →"
 }

frontend/messages/es.json

@@ -268,8 +268,9 @@
 	"doc_panel_discussion_annotation_tab": "Anotación · Página {page}",
 	"pdf_annotations_show": "Mostrar anotaciones",
 	"pdf_annotations_hide": "Ocultar anotaciones",
-	"upload_drop_hint": "Soltar archivos o hacer clic para seleccionar",
+	"upload_drop_hint": "Uno o varios archivos a la vez",
 	"upload_accepted_types": "PDF, JPEG, PNG, TIFF",
+	"upload_filename_hint": "Consejo: 2024-03-15_Mueller_Hans.pdf → fecha y remitente prellenados",
 	"upload_success": "{count} documento(s) creado(s)",
 	"upload_duplicate": "{filename} ya existe —",
 	"upload_duplicate_link": "Ver documento",
@@ -290,5 +291,7 @@
 	"enrich_skip": "Omitir",
 	"enrich_done_heading": "¡Todo listo!",
 	"enrich_done_body": "Todos los documentos han sido procesados.",
-	"enrich_back_to_list": "Volver a la lista"
+	"enrich_back_to_list": "Volver a la lista",
+	"comment_empty_hint": "Aún no hay comentarios – ¡inicia la discusión!",
+	"comment_start_discussion": "Iniciar discusión →"
 }

frontend/src/lib/components/CommentThread.svelte

@@ -167,6 +167,9 @@ function cancelReply() {
 onMount(() => {
 	if (loadOnMount) {
 		reload();
+	} else {
+		const total = initialComments.reduce((s, c) => s + 1 + c.replies.length, 0);
+		onCountChange?.(total);
 	}
 });
 </script>
@@ -245,6 +248,24 @@ onMount(() => {
 {/snippet}
 
 <div class="space-y-4">
+	{#if comments.length === 0}
+		<div class="flex flex-col items-center gap-3 py-8 text-center">
+			<svg
+				class="h-10 w-10 text-ink-3"
+				viewBox="0 0 24 24"
+				fill="none"
+				stroke="currentColor"
+				stroke-width="1.5"
+			>
+				<path
+					stroke-linecap="round"
+					stroke-linejoin="round"
+					d="M2.25 12.76c0 1.6 1.123 2.994 2.707 3.227 1.087.16 2.185.283 3.293.369V21l4.076-4.076a1.526 1.526 0 0 1 1.037-.443 48.282 48.282 0 0 0 5.68-.494c1.584-.233 2.707-1.626 2.707-3.228V6.741c0-1.602-1.123-2.995-2.707-3.228A48.394 48.394 0 0 0 12 3c-2.392 0-4.744.175-7.043.513C3.373 3.746 2.25 5.14 2.25 6.741v6.018Z"
+				/>
+			</svg>
+			<p class="font-sans text-sm text-ink-3">{m.comment_empty_hint()}</p>
+		</div>
+	{/if}
 	{#each comments as thread, ti (thread.id)}
 		<div class={ti > 0 ? 'border-t border-line pt-4' : ''}>
 			<!-- Root comment -->

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

@@ -0,0 +1,70 @@
+import { describe, it, expect, vi, afterEach } from 'vitest';
+import { cleanup, render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import CommentThread from './CommentThread.svelte';
+import type { Comment } from '$lib/types';
+
+afterEach(() => {
+	cleanup();
+	vi.unstubAllGlobals();
+});
+
+function makeComment(id: string, content = 'Hello'): Comment {
+	return {
+		id,
+		authorId: 'user-1',
+		authorName: 'Alice',
+		content,
+		createdAt: new Date().toISOString(),
+		updatedAt: new Date().toISOString(),
+		replies: []
+	};
+}
+
+const baseProps = {
+	documentId: 'doc-1',
+	canComment: true,
+	currentUserId: 'user-1',
+	canAdmin: false
+};
+
+describe('CommentThread – empty state', () => {
+	it('shows empty state hint when there are no comments', async () => {
+		render(CommentThread, { ...baseProps, initialComments: [] });
+		await expect
+			.element(page.getByText('Noch keine Kommentare – starte die Diskussion!'))
+			.toBeInTheDocument();
+	});
+
+	it('does not show empty state hint when comments exist', async () => {
+		render(CommentThread, { ...baseProps, initialComments: [makeComment('c-1')] });
+		await expect
+			.element(page.getByText('Noch keine Kommentare – starte die Diskussion!'))
+			.not.toBeInTheDocument();
+	});
+});
+
+describe('CommentThread – onCountChange', () => {
+	it('calls onCountChange with initial SSR count on mount', async () => {
+		const onCountChange = vi.fn();
+		render(CommentThread, {
+			...baseProps,
+			initialComments: [makeComment('c-1'), makeComment('c-2')],
+			onCountChange
+		});
+		expect(onCountChange).toHaveBeenCalledWith(2);
+	});
+
+	it('calls onCountChange with 0 when no initial comments', async () => {
+		const onCountChange = vi.fn();
+		render(CommentThread, { ...baseProps, initialComments: [], onCountChange });
+		expect(onCountChange).toHaveBeenCalledWith(0);
+	});
+
+	it('counts replies in the total', async () => {
+		const onCountChange = vi.fn();
+		const comment = { ...makeComment('c-1'), replies: [makeComment('r-1') as never] };
+		render(CommentThread, { ...baseProps, initialComments: [comment], onCountChange });
+		expect(onCountChange).toHaveBeenCalledWith(2);
+	});
+});

frontend/src/lib/components/DocumentBottomPanel.svelte

@@ -98,6 +98,12 @@ const tabs: { id: DocumentPanelTab; label: () => string }[] = [
 ];
 
 const panelHeight = $derived(open ? height : MIN_HEIGHT);
+
+let discussionCount = $state((() => comments.reduce((s, c) => s + 1 + c.replies.length, 0))());
+
+function handleCountChange(count: number) {
+	discussionCount = count;
+}
 </script>
 
 <div
@@ -131,6 +137,13 @@ const panelHeight = $derived(open ? height : MIN_HEIGHT);
 				aria-pressed={activeTab === tab.id && open}
 			>
 				{tab.label()}
+				{#if tab.id === 'discussion'}
+					<span
+						data-testid="discussion-count-badge"
+						class="ml-1.5 inline-flex h-4 min-w-4 items-center justify-center rounded-full bg-primary px-1 font-sans text-[10px] font-bold text-primary-fg"
+						>{discussionCount}</span
+					>
+				{/if}
 			</button>
 		{/each}
 
@@ -165,6 +178,7 @@ const panelHeight = $derived(open ? height : MIN_HEIGHT);
 					canComment={canComment}
 					currentUserId={currentUserId}
 					canAdmin={canAdmin}
+					onCountChange={handleCountChange}
 				/>
 			{:else if activeTab === 'history'}
 				<PanelHistory documentId={doc.id} />

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

@@ -0,0 +1,47 @@
+import { describe, it, expect, afterEach } from 'vitest';
+import { cleanup, render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import DocumentBottomPanel from './DocumentBottomPanel.svelte';
+import type { Comment } from '$lib/types';
+
+afterEach(cleanup);
+
+function makeComment(id: string): Comment {
+	return {
+		id,
+		authorId: 'user-1',
+		authorName: 'Alice',
+		content: 'Hello',
+		createdAt: new Date().toISOString(),
+		updatedAt: new Date().toISOString(),
+		replies: []
+	};
+}
+
+const doc = { id: 'doc-1', title: 'Test' };
+
+const baseProps = {
+	doc,
+	canComment: true,
+	currentUserId: 'user-1',
+	canAdmin: false,
+	height: 300,
+	activeTab: 'discussion' as const
+};
+
+describe('DocumentBottomPanel – discussion badge', () => {
+	it('always shows a badge on the Discussion tab', async () => {
+		render(DocumentBottomPanel, { ...baseProps, comments: [], open: true });
+		await expect.element(page.getByTestId('discussion-count-badge')).toBeInTheDocument();
+		await expect.element(page.getByTestId('discussion-count-badge')).toHaveTextContent('0');
+	});
+
+	it('shows the correct count when comments exist', async () => {
+		render(DocumentBottomPanel, {
+			...baseProps,
+			comments: [makeComment('c-1'), makeComment('c-2')],
+			open: true
+		});
+		await expect.element(page.getByTestId('discussion-count-badge')).toHaveTextContent('2');
+	});
+});

frontend/src/lib/components/PanelDiscussion.svelte

@@ -8,9 +8,11 @@ type Props = {
 	canComment: boolean;
 	currentUserId: string | null;
 	canAdmin: boolean;
+	onCountChange?: (count: number) => void;
 };
 
-let { documentId, initialComments, canComment, currentUserId, canAdmin }: Props = $props();
+let { documentId, initialComments, canComment, currentUserId, canAdmin, onCountChange }: Props =
+	$props();
 </script>
 
 <div class="flex-1 overflow-y-auto p-6">
@@ -20,5 +22,6 @@ let { documentId, initialComments, canComment, currentUserId, canAdmin }: Props
 		canComment={canComment}
 		currentUserId={currentUserId}
 		canAdmin={canAdmin}
+		onCountChange={onCountChange}
 	/>
 </div>

frontend/src/lib/components/PersonTypeahead.svelte

@@ -9,6 +9,7 @@ interface Props {
 	label: string;
 	value?: string;
 	initialName?: string;
+	suggestedName?: string;
 	restrictToCorrespondentsOf?: string;
 	onchange?: (value: string) => void;
 }
@@ -18,12 +19,20 @@ let {
 	label,
 	value = $bindable(''),
 	initialName = '',
+	suggestedName = '',
 	restrictToCorrespondentsOf,
 	onchange
 }: Props = $props();
 
 let searchTerm = $state(initialName);
 
+$effect(() => {
+	const suggested = suggestedName;
+	if (suggested && !untrack(() => value)) {
+		searchTerm = suggested;
+	}
+});
+
 let results: Person[] = $state([]);
 let showDropdown = $state(false);
 let loading = $state(false);

frontend/src/lib/components/document/DescriptionSection.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+import { untrack } from 'svelte';
 import TagInput from '$lib/components/TagInput.svelte';
 import { m } from '$lib/paraglide/messages.js';
 
@@ -7,14 +8,26 @@ let {
 	initialTitle = '',
 	initialDocumentLocation = '',
 	initialSummary = '',
-	titleRequired = false
+	titleRequired = false,
+	suggestedTitle = ''
 }: {
 	tags?: string[];
 	initialTitle?: string;
 	initialDocumentLocation?: string;
 	initialSummary?: string;
 	titleRequired?: boolean;
+	suggestedTitle?: string;
 } = $props();
+
+let titleValue = $state(untrack(() => initialTitle));
+let titleDirty = $state(false);
+
+$effect(() => {
+	const suggested = suggestedTitle;
+	if (suggested && !untrack(() => titleDirty)) {
+		titleValue = suggested;
+	}
+});
 </script>
 
 <div class="rounded-sm border border-line bg-surface p-6 shadow-sm">
@@ -33,7 +46,11 @@ let {
 				id="title"
 				type="text"
 				name="title"
-				value={initialTitle}
+				value={titleValue}
+				oninput={(e) => {
+					titleValue = (e.target as HTMLInputElement).value;
+					titleDirty = true;
+				}}
 				required={titleRequired}
 				class="block w-full rounded border border-line p-2 text-sm shadow-sm focus:border-ink focus:ring-ink"
 			/>

frontend/src/lib/components/document/WhoWhenSection.svelte

@@ -16,13 +16,17 @@ let {
 	selectedReceivers = $bindable<Person[]>([]),
 	initialDateIso = '',
 	initialLocation = '',
-	initialSenderName = ''
+	initialSenderName = '',
+	suggestedDateIso = '',
+	suggestedSenderName = ''
 }: {
 	senderId?: string;
 	selectedReceivers?: Person[];
 	initialDateIso?: string;
 	initialLocation?: string;
 	initialSenderName?: string;
+	suggestedDateIso?: string;
+	suggestedSenderName?: string;
 } = $props();
 
 let dateDisplay = $state(untrack(() => isoToGerman(initialDateIso)));
@@ -37,6 +41,14 @@ function handleDateInput(e: Event) {
 	dateIso = result.iso;
 	dateDirty = true;
 }
+
+$effect(() => {
+	const suggested = suggestedDateIso;
+	if (suggested && !untrack(() => dateDirty)) {
+		dateDisplay = isoToGerman(suggested);
+		dateIso = suggested;
+	}
+});
 </script>
 
 <div class="rounded-sm border border-line bg-surface p-6 shadow-sm">
@@ -90,6 +102,7 @@ function handleDateInput(e: Event) {
 				label={m.form_label_sender()}
 				bind:value={senderId}
 				initialName={initialSenderName}
+				suggestedName={suggestedSenderName}
 			/>
 		</div>
 

frontend/src/lib/utils/filename.spec.ts

@@ -0,0 +1,101 @@
+import { describe, it, expect } from 'vitest';
+import { parseFilename, stripExtension } from './filename';
+
+describe('parseFilename', () => {
+	describe('date-first patterns', () => {
+		it('YYYY-MM-DD_Lastname_Firstname', () => {
+			expect(parseFilename('1965-03-12_Mueller_Hans.pdf')).toEqual({
+				dateIso: '1965-03-12',
+				personName: 'Hans Mueller',
+				suggestedTitle: 'Hans Mueller (12.03.1965)'
+			});
+		});
+
+		it('YYYYMMDD_Lastname_Firstname', () => {
+			expect(parseFilename('19650312_Mueller_Hans.pdf')).toEqual({
+				dateIso: '1965-03-12',
+				personName: 'Hans Mueller',
+				suggestedTitle: 'Hans Mueller (12.03.1965)'
+			});
+		});
+
+		it('YYYYMMDD_compound_lastname_Firstname', () => {
+			expect(parseFilename('18881025_de_Gruyter_Walter.pdf')).toEqual({
+				dateIso: '1888-10-25',
+				personName: 'Walter de Gruyter',
+				suggestedTitle: 'Walter de Gruyter (25.10.1888)'
+			});
+		});
+
+		it('handles umlauts in names', () => {
+			const result = parseFilename('2024-01-15_Müller_Jürgen.pdf');
+			expect(result.personName).toBe('Jürgen Müller');
+		});
+	});
+
+	describe('date-last patterns', () => {
+		it('Lastname_Firstname_YYYY-MM-DD', () => {
+			expect(parseFilename('Mueller_Hans_1965-03-12.pdf')).toEqual({
+				dateIso: '1965-03-12',
+				personName: 'Hans Mueller',
+				suggestedTitle: 'Hans Mueller (12.03.1965)'
+			});
+		});
+
+		it('Lastname_Firstname_YYYYMMDD', () => {
+			expect(parseFilename('Mueller_Hans_19650312.pdf')).toEqual({
+				dateIso: '1965-03-12',
+				personName: 'Hans Mueller',
+				suggestedTitle: 'Hans Mueller (12.03.1965)'
+			});
+		});
+
+		it('compound_lastname_Firstname_YYYYMMDD', () => {
+			expect(parseFilename('de_Gruyter_Walter_18881025.pdf')).toEqual({
+				dateIso: '1888-10-25',
+				personName: 'Walter de Gruyter',
+				suggestedTitle: 'Walter de Gruyter (25.10.1888)'
+			});
+		});
+	});
+
+	describe('non-matching filenames', () => {
+		it('returns empty for date-only filename', () => {
+			expect(parseFilename('1965-03-12.pdf')).toEqual({});
+		});
+
+		it('returns empty for two segments with no date', () => {
+			expect(parseFilename('Mueller_Hans.pdf')).toEqual({});
+		});
+
+		it('returns empty for unstructured filename', () => {
+			expect(parseFilename('scan_001.pdf')).toEqual({});
+		});
+
+		it('returns empty for three name segments with no date', () => {
+			expect(parseFilename('Mueller_Hans_Juergen.pdf')).toEqual({});
+		});
+
+		it('returns empty for filename without extension', () => {
+			expect(parseFilename('1965-03-12_Mueller_Hans')).toEqual({});
+		});
+
+		it('rejects implausible date (month 13)', () => {
+			expect(parseFilename('19651345_Mueller_Hans.pdf')).toEqual({});
+		});
+	});
+});
+
+describe('stripExtension', () => {
+	it('removes the extension', () => {
+		expect(stripExtension('document.pdf')).toBe('document');
+	});
+
+	it('removes only the last extension', () => {
+		expect(stripExtension('archive.tar.gz')).toBe('archive.tar');
+	});
+
+	it('leaves names without extension unchanged', () => {
+		expect(stripExtension('nodotfile')).toBe('nodotfile');
+	});
+});

frontend/src/lib/utils/filename.ts

@@ -0,0 +1,83 @@
+import { isoToGerman } from './date';
+
+export interface FilenameParseResult {
+	/** ISO format: YYYY-MM-DD */
+	dateIso?: string;
+	/** "Firstname Lastname" — order reversed from filename convention */
+	personName?: string;
+	/** Ready-to-use title, e.g. "Hans Mueller (12.03.1965)" */
+	suggestedTitle?: string;
+}
+
+// A date token is either YYYY-MM-DD or YYYYMMDD with a plausible month/day range.
+function tryParseDate(s: string): string | undefined {
+	if (/^\d{4}-\d{2}-\d{2}$/.test(s)) {
+		const m = parseInt(s.slice(5, 7));
+		const d = parseInt(s.slice(8, 10));
+		if (m >= 1 && m <= 12 && d >= 1 && d <= 31) return s;
+	} else if (/^\d{8}$/.test(s)) {
+		const m = parseInt(s.slice(4, 6));
+		const d = parseInt(s.slice(6, 8));
+		if (m >= 1 && m <= 12 && d >= 1 && d <= 31)
+			return `${s.slice(0, 4)}-${s.slice(4, 6)}-${s.slice(6, 8)}`;
+	}
+	return undefined;
+}
+
+const NAME_PART = /^\p{L}+$/u;
+
+/**
+ * Parses a structured filename and extracts a date and person name.
+ *
+ * Supported conventions (date-first or date-last, compound last names supported):
+ *   YYYY-MM-DD_Lastname_Firstname.ext
+ *   YYYYMMDD_Lastname_Firstname.ext
+ *   YYYYMMDD_de_Gruyter_Walter.ext   ← compound last name: lastName="de Gruyter"
+ *   Lastname_Firstname_YYYY-MM-DD.ext
+ *   Lastname_Firstname_YYYYMMDD.ext
+ *   de_Gruyter_Walter_YYYYMMDD.ext   ← compound last name: lastName="de Gruyter"
+ *
+ * Algorithm: split on "_", identify the date token (first or last segment),
+ * treat the outermost remaining segment as firstName, rest as lastName parts.
+ * Returns {} for anything that doesn't match cleanly.
+ */
+export function parseFilename(filename: string): FilenameParseResult {
+	const dot = filename.lastIndexOf('.');
+	if (dot < 0) return {}; // no extension — not a real file
+	const stem = filename.slice(0, dot);
+	const parts = stem.split('_');
+
+	// Minimum: date + at least one lastName segment + firstName = 3 parts
+	if (parts.length < 3) return {};
+
+	let dateIso: string;
+	let nameParts: string[];
+
+	const dateFromFirst = tryParseDate(parts[0]);
+	if (dateFromFirst) {
+		dateIso = dateFromFirst;
+		nameParts = parts.slice(1);
+	} else {
+		const dateFromLast = tryParseDate(parts[parts.length - 1]);
+		if (!dateFromLast) return {};
+		dateIso = dateFromLast;
+		nameParts = parts.slice(0, -1);
+	}
+
+	// Need at least lastName + firstName after removing the date
+	if (nameParts.length < 2) return {};
+
+	// All name segments must be pure letters (covers umlauts via \p{L})
+	if (!nameParts.every((p) => NAME_PART.test(p))) return {};
+
+	const firstName = nameParts[nameParts.length - 1];
+	const lastName = nameParts.slice(0, -1).join(' ');
+	const personName = `${firstName} ${lastName}`;
+	const suggestedTitle = `${personName} (${isoToGerman(dateIso)})`;
+
+	return { dateIso, personName, suggestedTitle };
+}
+
+export function stripExtension(filename: string): string {
+	return filename.replace(/\.[^/.]+$/, '');
+}

frontend/src/routes/+page.svelte

@@ -90,7 +90,7 @@ $effect(() => {
 	{#if data.incompleteCount > 0}
 		<a
 			href="/enrich"
-			class="mb-6 flex items-center justify-between rounded-sm border border-brand-mint/40 bg-brand-mint/10 px-6 py-4 transition-colors hover:bg-brand-mint/20"
+			class="mb-6 flex items-center justify-between rounded-sm border border-accent/40 bg-accent-bg px-6 py-4 transition-colors hover:bg-accent/20"
 		>
 			<div class="flex items-center gap-4">
 				<img
@@ -100,16 +100,16 @@ $effect(() => {
 					class="h-6 w-6 opacity-60"
 				/>
 				<div>
-					<p class="font-sans text-xs font-bold tracking-widest text-brand-navy uppercase">
+					<p class="font-sans text-xs font-bold tracking-widest text-ink uppercase">
 						{m.enrich_needs_metadata_title()}
 					</p>
-					<p class="mt-0.5 font-serif text-sm text-brand-navy/70">
+					<p class="mt-0.5 font-serif text-sm text-ink-2">
 						{m.enrich_needs_metadata_count({ count: data.incompleteCount })}
 					</p>
 				</div>
 			</div>
 			<span
-				class="font-sans text-xs font-bold tracking-widest text-brand-navy uppercase transition-colors hover:text-brand-navy/70"
+				class="font-sans text-xs font-bold tracking-widest text-ink uppercase transition-colors hover:text-ink-2"
 			>
 				{m.enrich_needs_metadata_cta()} →
 			</span>

frontend/src/routes/DropZone.svelte

@@ -142,32 +142,17 @@ $effect(() => {
 <div
 	role="button"
 	tabindex="0"
-	class="mb-4 flex cursor-pointer items-center justify-center gap-3 border border-dashed px-6 text-sm transition-all duration-200 {isDragging
+	class="mb-4 flex cursor-pointer flex-col items-center justify-center gap-2 border border-dashed px-6 transition-all duration-200 {isDragging
 		? 'border-primary bg-accent-bg py-10 text-primary'
 		: windowDragging
 			? 'border-primary/60 bg-accent-bg/50 py-10 text-primary/80'
-			: 'border-ink/20 py-3 text-ink-3 hover:border-primary hover:text-primary'}"
+			: 'border-ink/20 py-6 text-ink-3 hover:border-primary hover:text-primary'}"
 	ondragover={handleDragOver}
 	ondragleave={handleDragLeave}
 	ondrop={handleDrop}
 	onclick={() => fileInput.click()}
 	onkeydown={(e) => e.key === 'Enter' && fileInput.click()}
 >
-	<svg
-		xmlns="http://www.w3.org/2000/svg"
-		class="h-4 w-4 shrink-0 opacity-50"
-		viewBox="0 0 24 24"
-		fill="none"
-		stroke="currentColor"
-		stroke-width="2"
-		stroke-linecap="round"
-		stroke-linejoin="round"
-		aria-hidden="true"
-	>
-		<path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4" />
-		<polyline points="17 8 12 3 7 8" />
-		<line x1="12" y1="3" x2="12" y2="15" />
-	</svg>
 	{#if isUploading}
 		<div class="flex w-48 flex-col items-center gap-1">
 			<div class="h-1.5 w-full overflow-hidden rounded-full bg-ink/10">
@@ -179,8 +164,17 @@ $effect(() => {
 			<span class="font-sans text-xs text-ink-3">{uploadProgress}%</span>
 		</div>
 	{:else}
-		<span class="font-sans font-medium">{m.upload_drop_hint()}</span>
+		<img
-		<span class="font-sans text-xs text-ink-3">{m.upload_accepted_types()}</span>
+			src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Copy-Item-MD.svg"
+			alt=""
+			aria-hidden="true"
+			class="h-8 w-8 opacity-40"
+		/>
+		<div class="flex flex-col items-center gap-0.5 text-center">
+			<span class="font-sans text-sm text-ink-2">{m.upload_drop_hint()}</span>
+			<span class="font-sans text-xs text-ink-3">{m.upload_accepted_types()}</span>
+			<span class="font-sans text-xs text-ink-3 italic">{m.upload_filename_hint()}</span>
+		</div>
 	{/if}
 </div>
 

frontend/src/routes/documents/new/+page.svelte

@@ -6,6 +6,7 @@ import WhoWhenSection from '$lib/components/document/WhoWhenSection.svelte';
 import DescriptionSection from '$lib/components/document/DescriptionSection.svelte';
 import TranscriptionSection from '$lib/components/document/TranscriptionSection.svelte';
 import FileSectionNew from './FileSectionNew.svelte';
+import { type FilenameParseResult } from '$lib/utils/filename';
 
 let { data, form } = $props();
 
@@ -14,6 +15,8 @@ let senderId = $state(untrack(() => data.initialSenderId));
 let selectedReceivers: { id: string; firstName: string; lastName: string }[] = $state(
 	untrack(() => data.initialReceivers)
 );
+
+let parsedSuggestion = $state<FilenameParseResult>({});
 </script>
 
 <div class="mx-auto max-w-4xl px-4 py-8">
@@ -50,10 +53,16 @@ let selectedReceivers: { id: string; firstName: string; lastName: string }[] = $
 			bind:senderId={senderId}
 			bind:selectedReceivers={selectedReceivers}
 			initialSenderName={data.initialSenderName}
+			suggestedDateIso={parsedSuggestion.dateIso ?? ''}
+			suggestedSenderName={parsedSuggestion.personName ?? ''}
+		/>
+		<DescriptionSection
+			bind:tags={tags}
+			titleRequired={true}
+			suggestedTitle={parsedSuggestion.suggestedTitle ?? ''}
 		/>
-		<DescriptionSection bind:tags={tags} titleRequired={true} />
 		<TranscriptionSection />
-		<FileSectionNew />
+		<FileSectionNew onfileParsed={(r) => (parsedSuggestion = r)} />
 
 		<!-- Sticky Save Bar -->
 		<div

frontend/src/routes/documents/new/FileSectionNew.svelte

@@ -1,5 +1,17 @@
 <script lang="ts">
 import { m } from '$lib/paraglide/messages.js';
+import { parseFilename, type FilenameParseResult } from '$lib/utils/filename';
+
+let {
+	onfileParsed
+}: {
+	onfileParsed?: (result: FilenameParseResult) => void;
+} = $props();
+
+function handleFileChange(e: Event) {
+	const file = (e.target as HTMLInputElement).files?.[0];
+	if (file) onfileParsed?.(parseFilename(file.name));
+}
 </script>
 
 <div class="rounded-sm border border-line bg-surface p-6 shadow-sm">
@@ -15,6 +27,7 @@ import { m } from '$lib/paraglide/messages.js';
 		id="file-upload"
 		type="file"
 		name="file"
+		onchange={handleFileChange}
 		class="block w-full cursor-pointer text-sm
                text-ink-2 file:mr-4 file:rounded
                file:border-0 file:bg-muted

frontend/src/routes/enrich/[id]/+page.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 import { enhance } from '$app/forms';
-import { untrack } from 'svelte';
+import { onMount, untrack } from 'svelte';
 import { m } from '$lib/paraglide/messages.js';
 import DocumentViewer from '$lib/components/DocumentViewer.svelte';
 import WhoWhenSection from '$lib/components/document/WhoWhenSection.svelte';
@@ -15,6 +15,11 @@ let fileUrl = $state('');
 let fileError = $state('');
 let isLoading = $state(false);
 
+let navHeight = $state(0);
+onMount(() => {
+	navHeight = document.querySelector('header')?.getBoundingClientRect().height ?? 0;
+});
+
 // Dummy bindable state required by DocumentViewer
 let annotateMode = $state(false);
 let activeAnnotationId = $state<string | null>(null);
@@ -52,7 +57,7 @@ let selectedReceivers = $state(untrack(() => doc.receivers ?? []));
 	<title>{doc.title || doc.originalFilename || 'Dokument'} — Anreicherung</title>
 </svelte:head>
 
-<div class="flex h-[calc(100vh-68px)] flex-col">
+<div class="fixed inset-x-0 bottom-0 flex flex-col" style="top: {navHeight}px">
 	<!-- Top bar -->
 	<div class="flex items-center justify-between border-b border-line bg-surface px-6 py-3">
 		<a

frontend/src/routes/enrich/done/+page.svelte

@@ -7,7 +7,7 @@ import { m } from '$lib/paraglide/messages.js';
 		class="border-brand-sand flex flex-col items-center justify-center rounded-sm border bg-white py-20 text-center shadow-sm"
 	>
 		<img
-			src="/degruyter-icons/Simple/Large-32px/SVG/Action/Check/Check-Circle-LG.svg"
+			src="/degruyter-icons/Simple/Large-32px/SVG/Action/Check/Check-Double-LG.svg"
 			alt=""
 			aria-hidden="true"
 			class="mb-6 h-16 w-16"