fix: replace storage.cfg parser with pvesm status for reliable pool discovery; add Custom... dropdown option

backend/app.py

@@ -97,41 +97,33 @@ def health() -> HealthResponse:
 @app.get(f"{API_PREFIX}/storage/pools")
 def storage_pools():
     """Return available Proxmox storage pools that support VM disk images."""
-    pools = []
+    result = []
     try:
-        cfg = Path("/etc/pve/storage.cfg")
-        if cfg.exists():
-            lines = cfg.read_text()
-            current = {}
-            for line in lines.split("\n"):
-                stripped = line.strip()
-                if not stripped or stripped.startswith("#"):
+        import subprocess
+        out = subprocess.run(["pvesm", "status"], capture_output=True, text=True, timeout=10)
+        for line in out.stdout.split("\n")[1:]:
+            parts = line.split()
+            if len(parts) < 3:
                 continue
-                if ":" in stripped and not line.startswith(" "):
-                    if current and current.get("name"):
-                        pools.append(current)
-                    parts = stripped.split(":", 1)
-                    stype = parts[0].strip()
-                    sname = parts[1].strip() if len(parts) > 1 else ""
-                    current = {"name": sname, "type": stype}
-                elif line.startswith(" ") and current:
-                    if " " in stripped:
-                        key, val = stripped.split(" ", 1)
-                        current[key] = val
-            if current and current.get("name"):
-                pools.append(current)
+            name, stype, active = parts[0], parts[1], parts[2]
+            if active != "active":
+                continue
+            if stype not in ("lvmthin", "zfspool", "rbd", "dir", "nfs"):
+                continue
+            # Verify content includes images
+            content = ""
+            try:
+                cp = subprocess.run(["pvesm", "config", name], capture_output=True, text=True, timeout=5)
+                for cl in cp.stdout.split("\n"):
+                    if cl.strip().startswith("content"):
+                        content = cl.strip().split(None, 1)[1] if len(cl.strip().split(None, 1)) > 1 else ""
+            except Exception:
+                pass
+            if "images" not in content:
+                continue
+            result.append({"name": name, "type": stype})
     except Exception:
         pass
-
-    result = []
-    for p in pools:
-        if p.get("type") in ("lvmthin", "zfspool", "rbd", "dir"):
-            content = p.get("content", "")
-            if "images" in content:
-                result.append({
-                    "name": p["name"],
-                    "type": p["type"],
-                })
 
     if not result:
         result.append({"name": "local-lvm", "type": "lvmthin"})

frontend/templates/_analysis.html

@@ -65,11 +65,14 @@
       <div class="pve-form-group">
         <label>Storage Pool</label>
         {% if storage_pools %}
-        <select name="target_storage" class="pve-select">
+        <select name="target_storage" class="pve-select" id="storage-select">
           {% for pool in storage_pools %}
           <option value="{{ pool.name }}">{{ pool.name }} ({{ pool.type }})</option>
           {% endfor %}
+          <option value="__custom__">Custom...</option>
         </select>
+        <input type="text" class="pve-input pve-hidden" id="storage-custom"
+               placeholder="Enter pool name" style="margin-top:0.3rem;">
         {% else %}
         <input type="text" name="target_storage" class="pve-input" value="local-lvm">
         {% endif %}

frontend/templates/index.html

@@ -314,6 +314,21 @@ function initConfirmForm() {
         this.value === 'false' ? 'block' : 'none';
     });
   }
+  const storageSel = document.getElementById('storage-select');
+  const storageCustom = document.getElementById('storage-custom');
+  if (storageSel && storageCustom) {
+    storageSel.addEventListener('change', function() {
+      if (this.value === '__custom__') {
+        storageCustom.classList.remove('pve-hidden');
+        storageCustom.name = 'target_storage';
+        this.name = '';
+      } else {
+        storageCustom.classList.add('pve-hidden');
+        storageCustom.name = 'target_storage_custom';
+        this.name = 'target_storage';
+      }
+    });
+  }
 }
 
 async function submitJob(e) {

frontend/templates/scp.html

@@ -202,6 +202,21 @@ function scpInitConfirmForm() {
         this.value === 'false' ? 'block' : 'none';
     });
   }
+  const storageSel = document.getElementById('storage-select');
+  const storageCustom = document.getElementById('storage-custom');
+  if (storageSel && storageCustom) {
+    storageSel.addEventListener('change', function() {
+      if (this.value === '__custom__') {
+        storageCustom.classList.remove('pve-hidden');
+        storageCustom.name = 'target_storage';
+        this.name = '';
+      } else {
+        storageCustom.classList.add('pve-hidden');
+        storageCustom.name = 'target_storage_custom';
+        this.name = 'target_storage';
+      }
+    });
+  }
 }
 
 async function scpSubmitJob(e) {