feat: storage pool dropdown populated from /etc/pve/storage.cfg

- New GET /api/v1/storage/pools returns available lvmthin/zfspool/rbd/dir pools
- Analysis result template now shows dropdown when >1 pool available
- Falls back to text input with single pool or on discovery failure

backend/app.py

@@ -94,6 +94,49 @@ def health() -> HealthResponse:
     return HealthResponse(status="ok")
 
 
+@app.get(f"{API_PREFIX}/storage/pools")
+def storage_pools():
+    """Return available Proxmox storage pools that support disk images."""
+    pools = []
+    try:
+        cfg = Path("/etc/pve/storage.cfg")
+        if cfg.exists():
+            lines = cfg.read_text()
+            current = {}
+            for line in lines.split("\n"):
+                line = line.strip()
+                if not line or line.startswith("#"):
+                    continue
+                if ":" in line and not line.startswith(" "):
+                    if current and current.get("name"):
+                        pools.append(current)
+                    parts = line.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 line:
+                        key, val = line.strip().split(" ", 1)
+                        current[key] = val
+            if current and current.get("name"):
+                pools.append(current)
+    except Exception:
+        pass
+
+    result = []
+    for p in pools:
+        if p.get("type") in ("lvmthin", "zfspool", "rbd", "dir"):
+            result.append({
+                "name": p["name"],
+                "type": p["type"],
+            })
+
+    if not result:
+        result.append({"name": "local-lvm", "type": "lvmthin"})
+
+    return {"pools": result}
+
+
 @app.post(f"{API_PREFIX}/analyze", response_model=AnalyzeStatusResponse, status_code=202)
 def analyze(req: AnalyzeRequest) -> AnalyzeStatusResponse:
     """Analyze a source file asynchronously: extraction + disk probing + OS detection."""

frontend/api_client.py

@@ -54,6 +54,10 @@ class ApiClient:
         """GET /api/v1/analyze/{analysis_id} — poll analysis status."""
         return self._get(f"/api/v1/analyze/{analysis_id}")
 
+    def get_storage_pools(self) -> dict:
+        """GET /api/v1/storage/pools — list available Proxmox storage pools."""
+        return self._get("/api/v1/storage/pools")
+
     def create_job(self, payload: dict) -> dict:
         """POST /api/v1/jobs — submit conversion job."""
         return self._post("/api/v1/jobs", payload)

frontend/app.py

@@ -356,6 +356,13 @@ async def session_analyze_result(
         return render("_analysis.html", request=request,
                       error=f"Failed to fetch analysis: {exc.detail}")
 
+    pools = []
+    try:
+        sp = api.get_storage_pools()
+        pools = sp.get("pools", [])
+    except Exception:
+        pass
+
     analysis = result
     name = vm_name.strip()
     if not name:
@@ -363,7 +370,7 @@ async def session_analyze_result(
 
     return render("_analysis.html", request=request,
                   vmid=vmid, source_filename=source_filename,
-                  vm_name=name, analysis=analysis)
+                  vm_name=name, analysis=analysis, storage_pools=pools)
 
 
 @app.post("/session/confirm", response_class=HTMLResponse)

frontend/templates/_analysis.html

@@ -63,7 +63,16 @@
     <div class="pve-row">
       <div class="pve-form-group">
         <label>Storage Pool</label>
-        <input type="text" name="target_storage" class="pve-input" value="local-lvm">
+        {% if storage_pools and storage_pools|length > 1 %}
+        <select name="target_storage" class="pve-select">
+          {% for pool in storage_pools %}
+          <option value="{{ pool.name }}">{{ pool.name }} ({{ pool.type }})</option>
+          {% endfor %}
+        </select>
+        {% else %}
+        <input type="text" name="target_storage" class="pve-input"
+               value="{{ storage_pools[0].name if storage_pools else 'local-lvm' }}">
+        {% endif %}
       </div>
       <div class="pve-form-group">
         <label>Boot Detection</label>