fix(core): Word-Export — jobTitle, Logo, Akzentfarbe und Firmenfußzeile

- Jobtitel aus Profil statt experiences[0].area unter dem Namen
- Platform-Logo aus Redis über Avatar einfügen
- Dominante Akzentfarbe dynamisch aus Logo extrahieren
- Firmen-Fußzeile aus Redis-Settings als DOCX-Footer

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

packages/core-service/src/core/expert-profile/profile-export.service.ts

@@ -20,6 +20,7 @@ import {
   ImageRun,
   HeadingLevel,
   ShadingType,
+  Footer,
 } from 'docx';
 
 // ============================================================
@@ -555,6 +556,48 @@ export class ProfileExportService {
     const data = await this.expertProfileService.getExportData(userId) as ExportData;
     const profile = data.expertProfile;
     const fullName = `${data.firstName} ${data.lastName}`;
+
+    // Branding + Firmendaten aus Redis laden
+    const [brandingRaw, companyRaw] = await Promise.all([
+      this.redis.get('platform_branding_logo'),
+      this.redis.get('platform_company_settings'),
+    ]);
+
+    let platformLogo: Buffer | null = null;
+    if (brandingRaw) {
+      try {
+        const branding = JSON.parse(brandingRaw) as { logo?: string };
+        if (branding.logo) {
+          const base64 = branding.logo.replace(/^data:image\/\w+;base64,/, '');
+          platformLogo = Buffer.from(base64, 'base64');
+        }
+      } catch { /* ignore */ }
+    }
+
+    // Dominante Farbe aus Logo extrahieren
+    if (platformLogo) {
+      const extracted = await this.extractDominantColor(platformLogo);
+      if (extracted) accentColor = extracted;
+    }
+
+    let companyFooterText: string | null = null;
+    if (companyRaw) {
+      try {
+        const c = JSON.parse(companyRaw) as {
+          name?: string | null; street?: string | null; postalCode?: string | null;
+          city?: string | null; phone?: string | null; email?: string | null; website?: string | null;
+        };
+        const parts: string[] = [];
+        if (c.name) parts.push(c.name);
+        const addr = [c.street, [c.postalCode, c.city].filter(Boolean).join(' ')].filter(Boolean).join(', ');
+        if (addr) parts.push(addr);
+        if (c.phone) parts.push(`Tel: ${c.phone}`);
+        if (c.email) parts.push(c.email);
+        if (c.website) parts.push(c.website);
+        if (parts.length) companyFooterText = parts.join('  |  ');
+      } catch { /* ignore */ }
+    }
+
     const accentHex = accentColor.replace('#', '');
     const lightAccent = lightenColor(accentColor, 0.85).replace('#', '');
 
@@ -563,6 +606,31 @@ export class ProfileExportService {
     // --- Kontakt-Infos für linke Spalte ---
     const leftParagraphs: Paragraph[] = [];
 
+    // Platform-Logo
+    if (platformLogo) {
+      try {
+        const logoBuffer = await sharp(platformLogo)
+          .resize(120, 40, { fit: 'inside' })
+          .png()
+          .toBuffer();
+        leftParagraphs.push(
+          new Paragraph({
+            children: [
+              new ImageRun({
+                data: logoBuffer,
+                transformation: { width: 120, height: 40 },
+                type: 'png',
+              }),
+            ],
+            alignment: AlignmentType.CENTER,
+            spacing: { after: 120 },
+          }),
+        );
+      } catch (err) {
+        this.logger.warn('Logo für DOCX konnte nicht geladen werden', err);
+      }
+    }
+
     // Avatar (rund zugeschnitten)
     let avatarImageRun: ImageRun | null = null;
     if (data.avatar) {
@@ -605,13 +673,13 @@ export class ProfileExportService {
       }),
     );
 
-    // Rolle
-    if (profile && profile.experiences.length > 0) {
+    // Rolle / Jobtitel
+    if (data.jobTitle) {
       leftParagraphs.push(
         new Paragraph({
           children: [
             new TextRun({
-              text: profile.experiences[0].area,
+              text: data.jobTitle,
               size: 20,
               color: accentHex,
             }),
@@ -854,6 +922,27 @@ export class ProfileExportService {
       );
     }
 
+    // --- Fußzeile ---
+    const footerChildren: Paragraph[] = [];
+    if (companyFooterText) {
+      footerChildren.push(
+        new Paragraph({
+          children: [
+            new TextRun({
+              text: companyFooterText,
+              size: 14,
+              color: '999999',
+            }),
+          ],
+          alignment: AlignmentType.CENTER,
+          border: {
+            top: { style: BorderStyle.SINGLE, size: 3, color: 'cccccc', space: 4 },
+          },
+          spacing: { before: 80 },
+        }),
+      );
+    }
+
     // --- Dokument zusammenstellen ---
     const document = new Document({
       styles: {
@@ -869,9 +958,16 @@ export class ProfileExportService {
         {
           properties: {
             page: {
-              margin: { top: 720, bottom: 720, left: 720, right: 720 },
+              margin: { top: 720, bottom: companyFooterText ? 800 : 720, left: 720, right: 720 },
             },
           },
+          footers: companyFooterText
+            ? {
+                default: new Footer({
+                  children: footerChildren,
+                }),
+              }
+            : undefined,
           children: [layoutTable, ...sections],
         },
       ],