Implement async manual CSV ingest, unified UI pagination/filters, and serial placeholder strategy

internal/api/ui_index.tmpl

@@ -9,7 +9,6 @@
     <section class="card">
       <h2>Registry Snapshot</h2>
       <div class="stats">
-        <div class="stat"><span>Projects</span><strong>{{.ProjectCount}}</strong></div>
         <div class="stat"><span>Assets</span><strong>{{.AssetCount}}</strong></div>
         <div class="stat"><span>Components</span><strong>{{.ComponentCount}}</strong></div>
       </div>
@@ -24,24 +23,21 @@
             <th>Status</th>
             <th>Name</th>
             <th>Vendor Serial</th>
-            <th>Project</th>
             <th>Created</th>
           </tr>
         </thead>
         <tbody>
-          {{range $i, $item := .Assets}}
-          {{if lt $i 5}}
+          {{range $item := .Assets}}
           <tr class="clickable" onclick="navigateToRow('/ui/assets/{{$item.ID}}')">
             <td><span class="badge {{assetStatusClass (index $.AssetStatusByID $item.ID)}}">{{assetStatusText (index $.AssetStatusByID $item.ID)}}</span></td>
             <td>{{$item.Name}}</td>
             <td>{{$item.VendorSerial}}</td>
-            <td>{{projectName $item.ProjectID $.ProjectByID}}</td>
             <td title="{{formatTimeFull $item.CreatedAt}}">{{formatTime $item.CreatedAt}}</td>
           </tr>
           {{end}}
-          {{end}}
         </tbody>
       </table>
+      {{template "pagination" .AssetsPager}}
       {{else}}
       <div class="meta">No assets yet.</div>
       {{end}}
@@ -61,8 +57,7 @@
           </tr>
         </thead>
         <tbody>
-          {{range $i, $item := .Components}}
-          {{if lt $i 5}}
+          {{range $item := .Components}}
           <tr class="clickable" onclick="navigateToRow('/ui/components/{{$item.ID}}')">
             <td><span class="badge {{componentStatusClass (index $.ComponentStatusByID $item.ID)}}">{{componentStatusText (index $.ComponentStatusByID $item.ID)}}</span></td>
             <td>{{componentLabelByID $item.ID $.ComponentLabelByID}}</td>
@@ -70,9 +65,9 @@
             <td title="{{formatTimeFull $item.CreatedAt}}">{{formatTime $item.CreatedAt}}</td>
           </tr>
           {{end}}
-          {{end}}
         </tbody>
       </table>
+      {{template "pagination" .ComponentsPager}}
       {{else}}
       <div class="meta">No components yet.</div>
       {{end}}