feat: add background backup execution endpoint and job detail UI template

gui_app.py

@@ -898,6 +898,23 @@ def cancel_schedule(jobid):
     return redirect(url_for('job_detail', jobid=jobid))
 
 
+@app.route('/job/<jobid>/run', methods=['POST'])
+@login_required
+def run_job_now(jobid):
+    info = jobs.get(jobid)
+    if not info:
+        abort(404)
+    if info.get('status') in ('running', 'queued'):
+        flash('Backup is already running or queued.', 'warning')
+        return redirect(url_for('job_detail', jobid=jobid))
+    
+    # Start backup execution in a background thread
+    t = threading.Thread(target=run_job_thread, args=(jobid,), daemon=True)
+    t.start()
+    flash('Backup triggered successfully and is running in the background.', 'success')
+    return redirect(url_for('job_detail', jobid=jobid))
+
+
 # ── Template filter ───────────────────────────────────────────────────────────
 @app.template_filter('startswith')
 def startswith_filter(value, prefix):

templates/job_detail.html

@@ -142,7 +142,15 @@
     </div>
     <div class="topbar-subtitle">Job ID: <span class="mono">{{ job.id }}</span></div>
   </div>
-  <div class="topbar-actions">
+  <div class="topbar-actions" style="display: flex; gap: 8px; align-items: center;">
+    {% if job.status != 'running' and job.status != 'queued' %}
+    <form method="post" action="/job/{{ job.id }}/run" style="margin: 0;">
+      <button class="btn btn-primary btn-sm" type="submit">
+        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="margin-right: 4px;"><polygon points="5 3 19 12 5 21 5 3"/></svg>
+        Run Now
+      </button>
+    </form>
+    {% endif %}
     <a href="/jobs" class="btn btn-ghost btn-sm">
       <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="margin-right: 6px;"><line x1="19" y1="12" x2="5" y2="12"/><polyline points="12 19 5 12 12 5"/></svg>
       All Jobs

templates/jobs.html

@@ -167,10 +167,16 @@
             {{ job.started_fmt }}
           </td>
           <td>
-            <div class="job-actions">
+            <div class="job-actions" style="display: flex; gap: 8px;">
               <a href="/job/{{ job.id }}" class="btn btn-ghost btn-sm">View</a>
+              {% if job.status != 'running' and job.status != 'queued' %}
+              <form method="post" action="/job/{{ job.id }}/run" style="margin: 0;">
+                <button class="btn btn-primary btn-sm" type="submit">Run Now</button>
+              </form>
+              {% endif %}
               {% if job.schedule_id %}
               <form method="post" action="/job/{{ job.id }}/cancel-schedule"
+                    style="margin: 0;"
                     onsubmit="return confirm('Cancel this schedule?')">
                 <button class="btn btn-danger btn-sm" type="submit">Cancel Schedule</button>
               </form>