fix signal linking, docker dev is for prism dev image

docker-compose.dev.yml

@@ -1,9 +1,7 @@
 services:
   prism:
     container_name: prism
-    build:
-      context: .
-      dockerfile: Dockerfile
+    image: ghcr.io/lone-cloud/prism:dev
     ports:
       - '8080:8080'
     environment:

service/integration/signal/handlers.go

@@ -67,7 +67,7 @@ func (h *Handlers) HandleFragment(w http.ResponseWriter, r *http.Request) {
 		integData.StatusClass = "unlinked"
 		integData.StatusText = "Unlinked"
 		integData.Open = true
-		integData.PollAttrs = `hx-get="/fragment/signal" hx-trigger="every 3s" hx-swap="outerHTML"`
+		integData.PollAttrs = ""
 
 		contentData.Linked = false
 		qrCode, err := h.linkDevice.GenerateQR()

service/integration/signal/templates/signal-content.html

@@ -15,7 +15,11 @@
 	<li>Go to Settings → Linked Devices</li>
 	<li>Scan the QR code below</li>
 </ol>
-<div class="qr-code-container">
+<div class="qr-code-container" 
+     hx-get="/fragment/signal" 
+     hx-trigger="every 3s" 
+     hx-swap="outerHTML" 
+     hx-target="closest .integration-card">
 	<img src="{{.QRCode}}" alt="Signal QR Code" class="qr-code"/>
 </div>
 	{{end}}