feat(timeline): fix chronology, status resolution, and component history UI

internal/api/ui_component.tmpl

@@ -15,11 +15,38 @@
         <div><span>Model</span>{{if .Component.Model}}{{.Component.Model}}{{else}}—{{end}}</div>
         <div><span>Status</span><span class="badge {{componentStatusClass .ComponentStatus}}">{{componentStatusText .ComponentStatus}}</span></div>
         <div><span>Asset</span>{{if .CurrentAssetID}}<a href="/ui/assets/{{.CurrentAssetID}}">{{.CurrentAssetLabel}}</a>{{else}}—{{end}}</div>
+        <div><span>Firmware</span>{{if .ComponentFirmware}}{{.ComponentFirmware}}{{else}}—{{end}}</div>
         <div><span>First Seen</span><span title="{{formatTimePtrFull .Component.FirstSeenAt}}">{{formatTimePtr .Component.FirstSeenAt}}</span></div>
         <div><span>Created</span><span title="{{formatTimeFull .Component.CreatedAt}}">{{formatTime .Component.CreatedAt}}</span></div>
       </div>
     </section>
 
+    <section class="card">
+      <h2>Installation History</h2>
+      {{if .InstallationHistory}}
+      <table class="table">
+        <thead>
+          <tr>
+            <th>Asset</th>
+            <th>Installed At</th>
+            <th>Removed At</th>
+          </tr>
+        </thead>
+        <tbody>
+          {{range .InstallationHistory}}
+          <tr>
+            <td><a href="/ui/assets/{{.AssetID}}">{{.AssetLabel}}</a></td>
+            <td>{{formatTimeFull .InstalledAt}}</td>
+            <td>{{if .RemovedAt}}{{formatTimePtrFull .RemovedAt}}{{else}}—{{end}}</td>
+          </tr>
+          {{end}}
+        </tbody>
+      </table>
+      {{else}}
+      <div class="meta">No installation history.</div>
+      {{end}}
+    </section>
+
     <section class="card">
       <h2>Timeline</h2>
       {{if .Events}}
@@ -32,7 +59,12 @@
           </div>
           <div>
             <div class="detail">Asset {{assetLabel .MachineID $.AssetLabelByID}} · Component {{componentLabel .PartID $.ComponentLabelByID}}</div>
-            <div class="meta">Firmware {{if .FirmwareVersion}}{{.FirmwareVersion}}{{else}}—{{end}}</div>
+            <div class="meta">
+              Type {{eventComponentType .PartID $.EventComponentByID}} ·
+              Location {{eventComponentLocation .PartID $.EventComponentByID}} ·
+              Model {{eventComponentModel .PartID $.EventComponentByID}} ·
+              Firmware {{if .FirmwareVersion}}{{.FirmwareVersion}}{{else}}{{eventComponentFirmware .PartID $.EventComponentByID}}{{end}}
+            </div>
           </div>
         </div>
         {{end}}