feat(ui): localize imprint page

Add 25 imprint.* translation keys to en.json and update imprint.html
to use _() helpers for all user-visible strings. Static business data
(company name, address, contact details, VAT number) remain hardcoded
as proper nouns that must not be altered by translation.

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/templates/imprint.html

@@ -1,13 +1,13 @@
 {% extends "base.html" %}
-{% block title %}Imprint - DocuElevate{% endblock %}
+{% block title %}{{ _("imprint.page_title") }}{% endblock %}
 
 {% block content %}
 <div class="container mx-auto px-4 py-8 max-w-4xl">
-  <h1 class="text-4xl font-bold mb-6">Imprint</h1>
-  <p class="text-sm text-gray-500 mb-8">Information according to § 5 TMG (German Telemedia Act)</p>
+  <h1 class="text-4xl font-bold mb-6">{{ _("imprint.heading") }}</h1>
+  <p class="text-sm text-gray-500 mb-8">{{ _("imprint.subtitle") }}</p>
 
   <div class="bg-white shadow rounded-lg p-6 mb-6">
-    <h2 class="text-2xl font-semibold mb-4">Service Provider</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.provider_heading") }}</h2>
     <p class="text-gray-700 mb-3">
       <strong>Christian Louis IT Beratung</strong><br>
       Alter Steinweg 3<br>
@@ -17,7 +17,7 @@
   </div>
 
   <div class="bg-white shadow rounded-lg p-6 mb-6">
-    <h2 class="text-2xl font-semibold mb-4">Contact Information</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.contact_heading") }}</h2>
     <p class="text-gray-700 mb-3">
       Fax: +49 40 97074609<br>
       Email: christianlouis@gmail.com<br>
@@ -26,16 +26,16 @@
   </div>
 
   <div class="bg-white shadow rounded-lg p-6 mb-6">
-    <h2 class="text-2xl font-semibold mb-4">Business Registration</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.business_registration_heading") }}</h2>
     <p class="text-gray-700 mb-3">
-      VAT Identification Number according to §27a Value Added Tax Act: DE202899017
+      {{ _("imprint.business_registration_vat") }} DE202899017
     </p>
   </div>
 
   <div class="bg-white shadow rounded-lg p-6 mb-6">
-    <h2 class="text-2xl font-semibold mb-4">Responsible for Content</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.responsible_content_heading") }}</h2>
     <p class="text-gray-700 mb-3">
-      According to § 55 Abs. 2 RStV:<br>
+      {{ _("imprint.responsible_content_rstv") }}<br>
       Christian Krakau-Louis<br>
       Alter Steinweg 3<br>
       20459 Hamburg<br>
@@ -44,36 +44,36 @@
   </div>
 
   <div class="bg-white shadow rounded-lg p-6 mb-6">
-    <h2 class="text-2xl font-semibold mb-4">Legal Notices</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.legal_heading") }}</h2>
     <p class="text-gray-700 mb-3">
-      Despite careful content control, we assume no liability for the content of external links. The operators of the linked pages are solely responsible for their content.
+      {{ _("imprint.legal_liability") }}
     </p>
     <p class="text-gray-700 mb-3">
-      All content on this website is protected by copyright. Any use outside the limits of copyright law requires the written consent of the respective author or creator.
+      {{ _("imprint.legal_copyright") }}
     </p>
   </div>
 
   <div class="bg-white shadow rounded-lg p-6 mb-6">
-    <h2 class="text-2xl font-semibold mb-4">Online Dispute Resolution</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.dispute_heading") }}</h2>
     <p class="text-gray-700 mb-3">
-      The European Commission provides a platform for online dispute resolution (OS):
+      {{ _("imprint.dispute_p1") }}
       <a href="https://ec.europa.eu/consumers/odr/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:underline">https://ec.europa.eu/consumers/odr/</a>
     </p>
     <p class="text-gray-700 mb-3">
-      We are not willing or obligated to participate in dispute resolution proceedings before a consumer arbitration board.
+      {{ _("imprint.dispute_p2") }}
     </p>
   </div>
 
   <div class="bg-white shadow rounded-lg p-6">
-    <h2 class="text-2xl font-semibold mb-4">Related Policies</h2>
+    <h2 class="text-2xl font-semibold mb-4">{{ _("imprint.policies_heading") }}</h2>
     <p class="text-gray-700 mb-3">
-      Our service is governed by the following policies:
+      {{ _("imprint.policies_intro") }}
     </p>
     <ul class="list-disc list-inside text-gray-700 ml-4 mb-3">
-      <li><a href="/terms" class="text-blue-600 hover:underline">Terms of Service</a> - Rules for using DocuElevate</li>
-      <li><a href="/privacy" class="text-blue-600 hover:underline">Privacy Policy</a> - How we handle your data</li>
-      <li><a href="/cookies" class="text-blue-600 hover:underline">Cookie Policy</a> - Information about cookies we use</li>
-      <li><a href="/license" class="text-blue-600 hover:underline">License Information</a> - How our software is licensed</li>
+      <li><a href="/terms" class="text-blue-600 hover:underline">{{ _("imprint.policies_terms_label") }}</a> - {{ _("imprint.policies_terms_desc") }}</li>
+      <li><a href="/privacy" class="text-blue-600 hover:underline">{{ _("imprint.policies_privacy_label") }}</a> - {{ _("imprint.policies_privacy_desc") }}</li>
+      <li><a href="/cookies" class="text-blue-600 hover:underline">{{ _("imprint.policies_cookie_label") }}</a> - {{ _("imprint.policies_cookie_desc") }}</li>
+      <li><a href="/license" class="text-blue-600 hover:underline">{{ _("imprint.policies_license_label") }}</a> - {{ _("imprint.policies_license_desc") }}</li>
     </ul>
   </div>
 </div>

frontend/translations/en.json

@@ -517,6 +517,31 @@
   "help.workflows_step_5_create": "Save – new documents will be processed through this pipeline automatically.",
   "help.workflows_typical_steps": "Typical Steps",
   "help.workflows_what_is": "What is a Pipeline?",
+  "imprint.business_registration_heading": "Business Registration",
+  "imprint.business_registration_vat": "VAT Identification Number according to §27a Value Added Tax Act:",
+  "imprint.contact_heading": "Contact Information",
+  "imprint.dispute_heading": "Online Dispute Resolution",
+  "imprint.dispute_p1": "The European Commission provides a platform for online dispute resolution (OS):",
+  "imprint.dispute_p2": "We are not willing or obligated to participate in dispute resolution proceedings before a consumer arbitration board.",
+  "imprint.heading": "Imprint",
+  "imprint.legal_copyright": "All content on this website is protected by copyright. Any use outside the limits of copyright law requires the written consent of the respective author or creator.",
+  "imprint.legal_heading": "Legal Notices",
+  "imprint.legal_liability": "Despite careful content control, we assume no liability for the content of external links. The operators of the linked pages are solely responsible for their content.",
+  "imprint.page_title": "Imprint - DocuElevate",
+  "imprint.policies_cookie_desc": "Information about cookies we use",
+  "imprint.policies_cookie_label": "Cookie Policy",
+  "imprint.policies_heading": "Related Policies",
+  "imprint.policies_intro": "Our service is governed by the following policies:",
+  "imprint.policies_license_desc": "How our software is licensed",
+  "imprint.policies_license_label": "License Information",
+  "imprint.policies_privacy_desc": "How we handle your data",
+  "imprint.policies_privacy_label": "Privacy Policy",
+  "imprint.policies_terms_desc": "Rules for using DocuElevate",
+  "imprint.policies_terms_label": "Terms of Service",
+  "imprint.provider_heading": "Service Provider",
+  "imprint.responsible_content_heading": "Responsible for Content",
+  "imprint.responsible_content_rstv": "According to § 55 Abs. 2 RStV:",
+  "imprint.subtitle": "Information according to § 5 TMG (German Telemedia Act)",
   "index.badge_intelligent": "Intelligent Document Processing",
   "index.button_browse_files": "Browse Files",
   "index.button_upload": "Upload",