feat(FN-4661): complete Step 4 — add unread dot styling

Fusion-Task-Id: FN-4661
Fusion-Task-Lineage: 39553dc3-4e7d-4398-b03f-24fa2edb9e20

packages/dashboard/app/components/ChatView.css

@@ -141,10 +141,25 @@
   gap: var(--space-xs);
 }
 
+.chat-room-item-name-row {
+  display: inline-flex;
+  align-items: center;
+}
+
 .chat-room-item-name {
   font-weight: 500;
 }
 
+.chat-unread-dot {
+  display: inline-block;
+  width: var(--space-sm);
+  height: var(--space-sm);
+  border-radius: 50%;
+  background: var(--color-info);
+  flex-shrink: 0;
+  margin-inline-start: var(--space-xs);
+}
+
 .chat-room-item-meta {
   color: var(--text-muted);
   font-size: var(--space-sm);

packages/dashboard/app/components/ChatView.tsx

@@ -2444,14 +2444,16 @@ export function ChatView({ projectId, addToast, experimentalFeatures }: ChatView
                       }}
                     >
                       <span className="chat-room-item-details">
-                        <span className="chat-room-item-name">#{room.name}</span>
-                        {showUnreadDot ? (
-                          <span
-                            className="chat-unread-dot"
-                            data-testid={`chat-unread-dot-${room.id}`}
-                            aria-label="Unread messages"
-                          />
-                        ) : null}
+                        <span className="chat-room-item-name-row">
+                          <span className="chat-room-item-name">#{room.name}</span>
+                          {showUnreadDot ? (
+                            <span
+                              className="chat-unread-dot"
+                              data-testid={`chat-unread-dot-${room.id}`}
+                              aria-label="Unread messages"
+                            />
+                          ) : null}
+                        </span>
                         {isActive ? (
                           <span className="chat-room-item-meta">
                             {rooms.activeRoomMembers.length} {rooms.activeRoomMembers.length === 1 ? "member" : "members"}

packages/dashboard/app/components/QuickChatFAB.css

@@ -451,6 +451,14 @@
   padding: var(--space-sm);
   text-align: left;
   transition: background var(--transition-fast), color var(--transition-fast);
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--space-sm);
+}
+
+.quick-chat-session-unread-dot {
+  margin-inline-start: auto;
 }
 
 .quick-chat-session-option:hover {