Stop the media seed from holding the onboard, and therefore the partnership, open for weeks

A first seed is ~28 TB behind a 12.5 MB/s bwlimit, and it ran inline as Step 9d, so the
phase-2 flag every status reader depends on was written only after it finished.

Plugin/unraid/pages/partnership.php

@@ -379,6 +379,30 @@ function vvPtHostChanged(el) {
   document.getElementById('vv-pt-hosts-save').style.display = any ? '' : 'none';
 }
 
+// Stop the background media seed. Safe to press: rsync.sh runs --inplace --partial, so this
+// costs the file in flight and a later start resumes the share rather than restarting it.
+async function vvPtStopSeed(btn) {
+  if (!await vvConfirm('Stop the media seed?\n\nThe transfer resumes from where it stopped when restarted.')) return;
+  btn.disabled = true; btn.textContent = '⟳';
+  try {
+    const r = await fetch('/plugins/varaverk/api/media_seed.php', {
+      method: 'POST',
+      headers: {'Content-Type': 'application/x-www-form-urlencoded'},
+      body: new URLSearchParams({
+        csrf_token: typeof csrf_token !== 'undefined' ? csrf_token : '',
+        action: 'stop'
+      })
+    });
+    const d = await r.json();
+    if (!d.ok) { vvAlert('Stop failed: ' + (d.error ?? 'Unknown error')); btn.disabled = false; btn.textContent = '■ Stop'; return; }
+    btn.textContent = '✓';
+    if (typeof vvPtLoad === 'function') vvPtLoad();
+  } catch (e) {
+    btn.disabled = false; btn.textContent = '■ Stop';
+    vvAlert('Error: ' + e);
+  }
+}
+
 async function vvPtSaveHosts(btn) {
   const changedEls = document.querySelectorAll('.vv-pt-host-inp.changed');
   if (!changedEls.length) return;
@@ -1123,6 +1147,31 @@ function _renderActions(nodes, cfg) {
               style="opacity:.4;font-size:10px;">🗑 Keys</button>
           </div>
         </div>`;
+
+        // Media seed strip. The seed is dispatched detached by onboard Step 13 and runs for
+        // days, so without this the page would show a finished onboard and no sign that
+        // terabytes are still moving underneath it.
+        const ms = remote.media_seed || {};
+        if (ms.status) {
+          const seedRunning = ms.status === 'running';
+          const seedColor = seedRunning ? '#ff9800'
+                          : ms.status === 'ok' ? '#4caf50'
+                          : ms.status === 'stopped' ? '#666' : '#f44336';
+          const seedLabel = seedRunning ? 'Seeding'
+                          : ms.status === 'ok' ? 'Seed complete'
+                          : ms.status === 'stopped' ? 'Seed stopped' : 'Seed failed';
+          html += `<div style="margin-top:9px;padding-top:8px;border-top:1px solid #181818;">
+            <div style="display:flex;align-items:center;gap:7px;flex-wrap:wrap;">
+              <span style="font-size:9px;font-weight:600;color:${seedColor};">${seedLabel}</span>
+              ${ms.share ? `<span style="font-size:9px;color:#444;font-family:monospace;">${vvEscHtml(ms.share)}</span>` : ''}
+              ${seedRunning ? `<button class="vv-pt-action-btn warn" onclick="vvPtStopSeed(this)"
+                  style="font-size:9px;opacity:.55;margin-left:auto;">■ Stop</button>` : ''}
+            </div>
+            ${ms.line ? `<div style="margin-top:3px;font-size:9px;color:#2e2e2e;font-family:monospace;
+                                     white-space:nowrap;overflow:hidden;text-overflow:ellipsis;"
+                          >${vvEscHtml(ms.line)}</div>` : ''}
+          </div>`;
+        }
       }
 
       // ── Delete Keys panel ──────────────────────────────────────────────────