feat: organizer Android app and token-gated upload API

Replace Syncthing as the product upload path with a share-target app
and POST /api/jobs. Web UI live-polls job progress.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/templates/job.html

@@ -3,8 +3,20 @@
 {% block content %}
   <p class="back-link"><a href="/">&larr; Alle Jobs</a></p>
 
-  <h1>Job {{ job_id }}</h1>
-  <p class="job-status status-{{ status.status }}">Status: {{ status.status or "unbekannt" }}</p>
+  <div class="job-heading">
+    <h1>Job {{ job_id }}</h1>
+    <p class="job-status status-{{ status.status }}">
+      {{ status_label(status.status) }}
+      {% if status.status in ACTIVE_STATUSES %}
+        &middot; {{ stage_label(status.status, status.stage, status.progress) }}
+      {% endif %}
+    </p>
+  </div>
+  {% if status.status in ACTIVE_STATUSES and status.progress and status.progress.total %}
+    <div class="progress" aria-hidden="true">
+      <span style="width: {{ (status.progress.current / status.progress.total * 100) | int }}%"></span>
+    </div>
+  {% endif %}
   {% if status.error %}
     <p class="error-box">Fehler: {{ status.error }}</p>
   {% endif %}
@@ -28,6 +40,8 @@
             <a href="/jobs/{{ job_id }}/files/{{ original_name }}" download>Download</a>
           </figcaption>
         </figure>
+      {% else %}
+        <p class="empty-state">Original kommt, sobald der Worker greift.</p>
       {% endif %}
       {% if has_rembg and rembg_name %}
         {% set img = img_attrs(job_id, rembg_name, sizes=PAIR_SIZES) %}