diff --git a/frontend/src/components/Common/DashboardMosaic.tsx b/frontend/src/components/Common/DashboardMosaic.tsx
index b815af0..c013c75 100644
--- a/frontend/src/components/Common/DashboardMosaic.tsx
+++ b/frontend/src/components/Common/DashboardMosaic.tsx
@@ -165,8 +165,11 @@ function Tile({
       )}
     >
       <Footprint dashboard={dashboard} />
-      <span className="flex items-center gap-2">
-        <span className="truncate text-sm font-medium">
+      <span className="flex min-w-0 items-center gap-2">
+        <span
+          className="truncate text-sm font-medium"
+          title={dashboard.title || dashboard.name}
+        >
           {dashboard.title || dashboard.name}
         </span>
         {dashboard.has_draft ? (
diff --git a/frontend/src/components/Common/OverviewCard.tsx b/frontend/src/components/Common/OverviewCard.tsx
index f2af316..7b405df 100644
--- a/frontend/src/components/Common/OverviewCard.tsx
+++ b/frontend/src/components/Common/OverviewCard.tsx
@@ -68,7 +68,7 @@ export function OverviewCard({
 }: {
   link: LinkProps
   icon: LucideIcon
-  title: ReactNode
+  title: string
   detail: ReactNode
   /** Has unpublished changes. */
   draft?: boolean
@@ -132,9 +132,11 @@ export function OverviewCard({
         if (held.current) event.preventDefault()
       }}
     >
-      <span className="flex items-center gap-2">
+      <span className="flex min-w-0 items-center gap-2">
         <Icon className="size-4 shrink-0 text-muted-foreground" />
-        <span className="truncate">{title}</span>
+        <span className="truncate" title={title}>
+          {title}
+        </span>
         {draft ? (
           <span className="size-1.5 shrink-0 rounded-full bg-primary">
             <span className="sr-only">Unpublished changes</span>
diff --git a/frontend/src/components/Devices/DeviceDetail.tsx b/frontend/src/components/Devices/DeviceDetail.tsx
index 71a9e57..1881077 100644
--- a/frontend/src/components/Devices/DeviceDetail.tsx
+++ b/frontend/src/components/Devices/DeviceDetail.tsx
@@ -175,7 +175,7 @@ function Basics({
 }) {
   return (
     <PanelSection title="Device">
-      <div className="flex items-center gap-2">
+      <div className="flex min-w-0 items-center gap-2">
         <Input
           // Saved on blur or Enter, not per keystroke. Remounted with whatever
           // was saved, so a refused title snaps back.
@@ -194,7 +194,10 @@ function Basics({
             if (title !== device.title) onChange({ title })
           }}
         />
-        <span className="shrink-0 font-mono text-sm text-muted-foreground">
+        <span
+          className="max-w-1/2 shrink-0 truncate font-mono text-sm text-muted-foreground"
+          title={device.id}
+        >
           {device.id}
         </span>
       </div>
diff --git a/frontend/src/components/Flow/FlowEditor.tsx b/frontend/src/components/Flow/FlowEditor.tsx
index 879a732..b9dd994 100644
--- a/frontend/src/components/Flow/FlowEditor.tsx
+++ b/frontend/src/components/Flow/FlowEditor.tsx
@@ -50,6 +50,7 @@ import {
   DialogHeader,
   DialogTitle,
 } from "@/components/ui/dialog"
+import { FluksioLoader } from "@/components/ui/fluksio-loader"
 import useAuth from "@/hooks/useAuth"
 import useCustomToast from "@/hooks/useCustomToast"
 import { useIsMobile } from "@/hooks/useMobile"
@@ -110,10 +111,10 @@ const nodeTypes = { flow: FlowNode, [ENDPOINT_TYPE]: EndpointNode }
  * Where every node sits and how every edge runs, once the engine has said so.
  *
  * The layout is a chunk of its own and answers asynchronously, so a canvas has
- * a moment before it knows where anything goes. It draws nothing at all until
- * then — a route already shows a skeleton for that — and an *edit* keeps the
- * arrangement it had, so only the node that changed lands a frame late rather
- * than the whole graph flickering through the corner.
+ * a moment before it knows where anything goes. It draws no node until then,
+ * only a loader, and an *edit* keeps the arrangement it had, so only the node
+ * that changed lands a frame late rather than the whole graph flickering
+ * through the corner.
  */
 function useLayout(
   ids: string[],
@@ -1565,6 +1566,17 @@ function FlowEditorInner({
         />
       </div>
 
+      {/* On a slow link the layout engine arrives well after the document,
+          and a bare canvas until then reads as a flow with no nodes. */}
+      {definitions.length > 0 && !positions ? (
+        <div
+          className="pointer-events-none absolute inset-0 flex items-center justify-center"
+          data-testid="flow-loading"
+        >
+          <FluksioLoader className="size-6 text-muted-foreground" />
+        </div>
+      ) : null}
+
       {definitions.length === 0 ? (
         <div
           className="pointer-events-none absolute inset-0 flex items-center justify-center"
diff --git a/frontend/src/components/Flow/NodePanel.tsx b/frontend/src/components/Flow/NodePanel.tsx
index 28bbb6e..c990fcb 100644
--- a/frontend/src/components/Flow/NodePanel.tsx
+++ b/frontend/src/components/Flow/NodePanel.tsx
@@ -2520,7 +2520,10 @@ export function NodePanel({
           <div className="flex min-w-0 flex-1 items-center gap-1.5">
             {/* Where the node lives: the flow is the namespace of its
                 messages, so it reads like the folder holding them. */}
-            <span className="min-w-0 truncate font-mono text-sm text-muted-foreground">
+            <span
+              className="min-w-0 max-w-1/2 truncate font-mono text-sm text-muted-foreground"
+              title={`/${flow}/`}
+            >
               /{flow}/
             </span>
             <PanelTitle
diff --git a/frontend/src/components/ui/dialog.tsx b/frontend/src/components/ui/dialog.tsx
index cae17ac..31ac38b 100644
--- a/frontend/src/components/ui/dialog.tsx
+++ b/frontend/src/components/ui/dialog.tsx
@@ -110,7 +110,7 @@ function DialogTitle({
   return (
     <DialogPrimitive.Title
       data-slot="dialog-title"
-      className={cn("text-lg leading-none font-semibold", className)}
+      className={cn("text-lg leading-none font-semibold wrap-anywhere", className)}
       {...props}
     />
   )
diff --git a/frontend/src/components/ui/select.tsx b/frontend/src/components/ui/select.tsx
index 3c98759..c1c24e9 100644
--- a/frontend/src/components/ui/select.tsx
+++ b/frontend/src/components/ui/select.tsx
@@ -60,7 +60,7 @@ function SelectContent({
       <SelectPrimitive.Content
         data-slot="select-content"
         className={cn(
-          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 relative z-50 max-h-(--radix-select-content-available-height) min-w-[8rem] origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border shadow-e2",
+          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 relative z-50 max-h-(--radix-select-content-available-height) max-w-(--radix-select-content-available-width) min-w-[8rem] origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border shadow-e2",
           position === "popper" &&
             "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
           className
@@ -107,7 +107,7 @@ function SelectItem({
     <SelectPrimitive.Item
       data-slot="select-item"
       className={cn(
-        "focus:bg-accent focus:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground relative flex w-full cursor-default items-center gap-2 rounded-sm py-1.5 pr-8 pl-2 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
+        "focus:bg-accent focus:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground relative flex w-full cursor-default items-center gap-2 rounded-sm py-1.5 pr-8 pl-2 text-sm wrap-anywhere outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
         className
       )}
       {...props}