feat(ui): add streamlined OpenRouter profile editor

- redesign friendly-ui-section with OpenRouter-specific view

- add model selection, tier mapping, API key sections

- compact ModelItem layout for better space efficiency

- add onEnvBulkChange prop for atomic env updates

ui/src/components/profiles/editor/friendly-ui-section.tsx

@@ -1,16 +1,22 @@
 /**
  * Friendly UI Section
  * Left column with environment variables and info tabs
- * Enhanced with OpenRouter model picker when applicable
+ * Enhanced with OpenRouter-specific streamlined UI when applicable
  */
 
-import { useMemo } from 'react';
+import { useMemo, useState } from 'react';
 import { Tabs, TabsList, TabsTrigger, TabsContent } from '@/components/ui/tabs';
+import { Collapsible, CollapsibleContent, CollapsibleTrigger } from '@/components/ui/collapsible';
 import { EnvEditorSection } from './env-editor-section';
 import { InfoSection } from './info-section';
 import { OpenRouterModelPicker } from '@/components/profiles/openrouter-model-picker';
 import { ModelTierMapping, type TierMapping } from '@/components/profiles/model-tier-mapping';
+import { Label } from '@/components/ui/label';
+import { MaskedInput } from '@/components/ui/masked-input';
+import { ChevronRight, Settings2 } from 'lucide-react';
 import { isOpenRouterProfile, extractTierMapping, applyTierMapping } from './utils';
+import { toast } from 'sonner';
+import { cn } from '@/lib/utils';
 import type { Settings, SettingsResponse } from './types';
 
 interface FriendlyUISectionProps {
@@ -46,9 +52,27 @@ export function FriendlyUISection({
   // Memoize currentEnv for consistent reference
   const currentEnv = settingsEnv ?? {};
 
-  // Handle model selection from OpenRouter picker
+  // Handle model selection from OpenRouter picker - applies to ALL tiers
   const handleModelChange = (modelId: string) => {
-    onEnvValueChange('ANTHROPIC_MODEL', modelId);
+    if (onEnvBulkChange) {
+      // Update all 4 model tiers at once
+      const newEnv = {
+        ...currentEnv,
+        ANTHROPIC_MODEL: modelId,
+        ANTHROPIC_DEFAULT_OPUS_MODEL: modelId,
+        ANTHROPIC_DEFAULT_SONNET_MODEL: modelId,
+        ANTHROPIC_DEFAULT_HAIKU_MODEL: modelId,
+      };
+      onEnvBulkChange(newEnv);
+    } else {
+      // Fallback: update one by one
+      onEnvValueChange('ANTHROPIC_MODEL', modelId);
+      onEnvValueChange('ANTHROPIC_DEFAULT_OPUS_MODEL', modelId);
+      onEnvValueChange('ANTHROPIC_DEFAULT_SONNET_MODEL', modelId);
+      onEnvValueChange('ANTHROPIC_DEFAULT_HAIKU_MODEL', modelId);
+    }
+    // Show feedback toast
+    toast.success('Applied model to all tiers', { duration: 2000 });
   };
 
   // Handle tier mapping change
@@ -71,13 +95,30 @@ export function FriendlyUISection({
     }
   };
 
+  // State for collapsible sections
+  const [showAllEnvVars, setShowAllEnvVars] = useState(false);
+
+  // For OpenRouter: filter out model-related env vars from the main display
+  // These are managed by the model picker and tier mapping
+  const openRouterManagedKeys = new Set([
+    'ANTHROPIC_MODEL',
+    'ANTHROPIC_DEFAULT_OPUS_MODEL',
+    'ANTHROPIC_DEFAULT_SONNET_MODEL',
+    'ANTHROPIC_DEFAULT_HAIKU_MODEL',
+  ]);
+
+  // Count of hidden env vars for OpenRouter profiles
+  const hiddenEnvVarCount = isOpenRouter
+    ? Object.keys(currentEnv).filter((k) => openRouterManagedKeys.has(k)).length
+    : 0;
+
   return (
-    <div className="h-full flex flex-col">
-      <Tabs defaultValue="env" className="h-full flex flex-col">
+    <div className="h-full w-full min-w-0 flex flex-col">
+      <Tabs defaultValue="env" className="h-full w-full min-w-0 flex flex-col">
         <div className="px-4 pt-4 shrink-0">
           <TabsList className="w-full">
             <TabsTrigger value="env" className="flex-1">
-              Environment Variables
+              {isOpenRouter ? 'Configuration' : 'Environment Variables'}
             </TabsTrigger>
             <TabsTrigger value="info" className="flex-1">
               Info & Usage
@@ -85,39 +126,114 @@ export function FriendlyUISection({
           </TabsList>
         </div>
 
-        <div className="flex-1 overflow-hidden flex flex-col">
+        <div className="flex-1 overflow-hidden flex flex-col min-w-0">
           <TabsContent
             value="env"
-            className="flex-1 mt-0 border-0 p-0 data-[state=inactive]:hidden flex flex-col overflow-hidden"
+            className="flex-1 mt-0 border-0 p-0 data-[state=inactive]:hidden flex flex-col overflow-hidden min-w-0"
           >
-            {/* OpenRouter Model Picker Section */}
-            {isOpenRouter && (
-              <div className="px-4 pt-4 pb-2 border-b space-y-3 shrink-0">
-                <div className="space-y-2">
-                  <label className="text-xs font-medium text-muted-foreground">
-                    Model (OpenRouter)
-                  </label>
-                  <OpenRouterModelPicker
-                    value={currentEnv.ANTHROPIC_MODEL}
-                    onChange={handleModelChange}
-                    placeholder="Search OpenRouter models..."
-                  />
-                </div>
-                <ModelTierMapping
-                  selectedModel={currentEnv.ANTHROPIC_MODEL}
-                  value={tierMapping}
-                  onChange={handleTierMappingChange}
-                />
-              </div>
-            )}
+            {/* OpenRouter Streamlined View */}
+            {isOpenRouter ? (
+              <div className="flex-1 overflow-hidden">
+                <div className="h-full overflow-y-auto overflow-x-hidden p-4 space-y-6">
+                  {/* Model Selection - Primary Focus */}
+                  <div className="space-y-3">
+                    <Label className="text-sm font-medium">Model Selection</Label>
+                    <OpenRouterModelPicker
+                      value={currentEnv.ANTHROPIC_MODEL}
+                      onChange={handleModelChange}
+                      placeholder="Search OpenRouter models..."
+                    />
+                  </div>
 
-            <EnvEditorSection
-              currentSettings={currentSettings}
-              newEnvKey={newEnvKey}
-              onNewEnvKeyChange={onNewEnvKeyChange}
-              onEnvValueChange={onEnvValueChange}
-              onAddEnvVar={onAddEnvVar}
-            />
+                  {/* Model Tier Mapping - Collapsible */}
+                  <ModelTierMapping
+                    selectedModel={currentEnv.ANTHROPIC_MODEL}
+                    value={tierMapping}
+                    onChange={handleTierMappingChange}
+                  />
+
+                  {/* API Key - Simplified */}
+                  <div className="space-y-2">
+                    <Label className="text-sm font-medium">API Key</Label>
+                    <MaskedInput
+                      value={currentEnv.ANTHROPIC_AUTH_TOKEN || ''}
+                      onChange={(e) => onEnvValueChange('ANTHROPIC_AUTH_TOKEN', e.target.value)}
+                      placeholder="sk-or-v1-..."
+                      className="font-mono text-sm"
+                    />
+                    <p className="text-xs text-muted-foreground">
+                      Get your API key from{' '}
+                      <a
+                        href="https://openrouter.ai/keys"
+                        target="_blank"
+                        rel="noopener noreferrer"
+                        className="text-primary hover:underline"
+                      >
+                        openrouter.ai/keys
+                      </a>
+                    </p>
+                  </div>
+
+                  {/* Advanced: All Environment Variables */}
+                  <Collapsible open={showAllEnvVars} onOpenChange={setShowAllEnvVars}>
+                    <CollapsibleTrigger className="flex items-center gap-2 text-sm font-medium text-muted-foreground hover:text-foreground transition-colors group">
+                      <ChevronRight
+                        className={cn(
+                          'h-4 w-4 transition-transform',
+                          showAllEnvVars && 'rotate-90'
+                        )}
+                      />
+                      <Settings2 className="h-4 w-4" />
+                      <span>All Environment Variables</span>
+                      <span className="text-xs font-normal opacity-70">
+                        ({Object.keys(currentEnv).length} vars
+                        {hiddenEnvVarCount > 0 && `, ${hiddenEnvVarCount} managed by picker`})
+                      </span>
+                    </CollapsibleTrigger>
+                    <CollapsibleContent className="pt-4">
+                      <div className="space-y-3 border rounded-lg p-3 bg-muted/30">
+                        {Object.entries(currentEnv).map(([key, value]) => (
+                          <div key={key} className="space-y-1">
+                            <Label className="text-xs text-muted-foreground flex items-center gap-2">
+                              {key}
+                              {openRouterManagedKeys.has(key) && (
+                                <span className="text-[10px] px-1.5 py-0.5 bg-primary/10 text-primary rounded">
+                                  managed
+                                </span>
+                              )}
+                            </Label>
+                            {key === 'ANTHROPIC_AUTH_TOKEN' ? (
+                              <MaskedInput
+                                value={value}
+                                onChange={(e) => onEnvValueChange(key, e.target.value)}
+                                className="font-mono text-xs h-8"
+                              />
+                            ) : (
+                              <input
+                                type="text"
+                                value={value}
+                                onChange={(e) => onEnvValueChange(key, e.target.value)}
+                                className="w-full font-mono text-xs h-8 px-2 rounded border bg-background"
+                                readOnly={openRouterManagedKeys.has(key)}
+                              />
+                            )}
+                          </div>
+                        ))}
+                      </div>
+                    </CollapsibleContent>
+                  </Collapsible>
+                </div>
+              </div>
+            ) : (
+              /* Standard Env Editor for non-OpenRouter profiles */
+              <EnvEditorSection
+                currentSettings={currentSettings}
+                newEnvKey={newEnvKey}
+                onNewEnvKeyChange={onNewEnvKeyChange}
+                onEnvValueChange={onEnvValueChange}
+                onAddEnvVar={onAddEnvVar}
+              />
+            )}
           </TabsContent>
 
           <TabsContent

ui/src/components/profiles/editor/index.tsx

@@ -166,7 +166,7 @@ export function ProfileEditor({ profileName, onDelete }: ProfileEditorProps) {
         </div>
       ) : (
         <div className="flex-1 grid grid-cols-[40%_60%] divide-x overflow-hidden">
-          <div className="flex flex-col overflow-hidden bg-muted/5">
+          <div className="flex flex-col overflow-hidden bg-muted/5 min-w-0">
             <FriendlyUISection
               profileName={profileName}
               data={data}

ui/src/components/profiles/openrouter-model-picker.tsx

@@ -91,7 +91,7 @@ export function OpenRouterModelPicker({
   }
 
   return (
-    <div className={cn('space-y-2', className)}>
+    <div className={cn('space-y-2 w-full min-w-0 overflow-hidden', className)}>
       {/* Search Header */}
       <div className="flex gap-2">
         <div className="relative flex-1">
@@ -155,7 +155,7 @@ export function OpenRouterModelPicker({
       )}
 
       {/* Model List */}
-      <ScrollArea className="h-64 rounded-md border">
+      <ScrollArea className="h-72 w-full rounded-md border">
         {isError ? (
           <div className="text-destructive p-4 text-center">
             Failed to load models.{' '}
@@ -168,23 +168,25 @@ export function OpenRouterModelPicker({
             No models found matching &quot;{search}&quot;
           </div>
         ) : (
-          <div className="space-y-4 p-2">
+          <div className="space-y-6 p-3">
             {/* Newest Models Section (shown when no search) */}
             {showPresets && newestModels.length > 0 && (
               <div>
-                <div className="text-muted-foreground bg-background sticky top-0 mb-1 flex items-center gap-1.5 py-1 text-xs font-semibold">
+                <div className="text-muted-foreground bg-background sticky top-0 mb-2 flex items-center gap-1.5 py-1.5 text-xs font-semibold border-b pb-2">
                   <Sparkles className="h-3 w-3 text-accent" />
                   <span>Newest Models</span>
                 </div>
-                {newestModels.map((model) => (
-                  <ModelItem
-                    key={model.id}
-                    model={model}
-                    isSelected={model.id === value}
-                    onClick={() => onChange(model.id)}
-                    showAge
-                  />
-                ))}
+                <div className="space-y-1">
+                  {newestModels.map((model) => (
+                    <ModelItem
+                      key={model.id}
+                      model={model}
+                      isSelected={model.id === value}
+                      onClick={() => onChange(model.id)}
+                      showAge
+                    />
+                  ))}
+                </div>
               </div>
             )}
 
@@ -195,17 +197,19 @@ export function OpenRouterModelPicker({
 
               return (
                 <div key={category}>
-                  <div className="text-muted-foreground bg-background sticky top-0 mb-1 py-1 text-xs font-semibold">
+                  <div className="text-muted-foreground bg-background sticky top-0 mb-2 py-1.5 text-xs font-semibold border-b pb-2">
                     {CATEGORY_LABELS[category]}
                   </div>
-                  {categoryModels.map((model) => (
-                    <ModelItem
-                      key={model.id}
-                      model={model}
-                      isSelected={model.id === value}
-                      onClick={() => onChange(model.id)}
-                    />
-                  ))}
+                  <div className="space-y-1">
+                    {categoryModels.map((model) => (
+                      <ModelItem
+                        key={model.id}
+                        model={model}
+                        isSelected={model.id === value}
+                        onClick={() => onChange(model.id)}
+                      />
+                    ))}
+                  </div>
                 </div>
               );
             })}
@@ -232,39 +236,49 @@ function ModelItem({
       type="button"
       onClick={onClick}
       className={cn(
-        'flex w-full items-center justify-between rounded-sm px-2 py-1.5 text-left text-sm transition-colors',
+        'group flex w-full items-center gap-2 rounded-md px-3 py-2 text-left text-sm transition-colors',
         'hover:bg-accent hover:text-accent-foreground',
         isSelected && 'bg-accent text-accent-foreground'
       )}
     >
-      <span className="flex-1 truncate">{model.name}</span>
+      <span className="flex-1 min-w-0 truncate font-medium">{model.name}</span>
       <span
         className={cn(
-          'ml-2 flex items-center gap-2 text-xs',
-          isSelected ? 'text-accent-foreground/80' : 'text-muted-foreground'
+          'flex shrink-0 items-center gap-1 text-xs whitespace-nowrap',
+          isSelected
+            ? 'text-accent-foreground/80'
+            : 'text-muted-foreground group-hover:text-accent-foreground/80'
         )}
       >
         {showAge && model.created && (
           <Badge
             variant="outline"
             className={cn(
-              'text-[10px]',
+              'text-[10px] px-1',
               isSelected
                 ? 'border-accent-foreground/30 text-accent-foreground/80'
-                : 'text-accent border-accent/30'
+                : 'text-accent border-accent/30 group-hover:text-accent-foreground/80 group-hover:border-accent-foreground/30'
             )}
           >
             {formatModelAge(model.created)}
           </Badge>
         )}
         {model.isFree ? (
-          <Badge variant="secondary" className="text-xs">
+          <Badge
+            variant="secondary"
+            className={cn(
+              'text-[10px] px-1',
+              isSelected
+                ? 'bg-accent-foreground/20 text-accent-foreground'
+                : 'group-hover:bg-accent-foreground/20 group-hover:text-accent-foreground'
+            )}
+          >
             Free
           </Badge>
         ) : (
-          <span>{formatPricingPair(model.pricing)}</span>
+          <span className="tabular-nums">{formatPricingPair(model.pricing)}</span>
         )}
-        <span>{formatContextLength(model.context_length)}</span>
+        <span className="tabular-nums">{formatContextLength(model.context_length)}</span>
       </span>
     </button>
   );

ui/src/components/profiles/profile-create-dialog.tsx

@@ -164,6 +164,10 @@ export function ProfileCreateDialog({ open, onOpenChange, onSuccess }: ProfileCr
     setValue('sonnetModel', model.id);
     setValue('haikuModel', model.id);
     setModelSearch(model.name);
+    // Show feedback that model was applied to all tiers
+    toast.success(`Applied "${model.name}" to all model tiers`, {
+      duration: 2000,
+    });
   };
 
   // Check for common URL mistakes - only for truly custom URLs
@@ -401,6 +405,12 @@ export function ProfileCreateDialog({ open, onOpenChange, onSuccess }: ProfileCr
                       value={modelSearch}
                       onChange={(e) => setModelSearch(e.target.value)}
                       placeholder="Type to search (e.g., opus, sonnet, gpt-4o)..."
+                      onKeyDown={(e) => {
+                        if (e.key === 'Enter' && filteredModels.length > 0) {
+                          e.preventDefault();
+                          handleModelSelect(filteredModels[0]);
+                        }
+                      }}
                     />
                     <div className="border rounded-md max-h-48 overflow-y-auto">
                       {filteredModels.length === 0 ? (
@@ -581,17 +591,23 @@ function ModelSearchItem({
     <button
       type="button"
       onClick={onClick}
-      className="flex w-full items-center justify-between rounded-sm px-2 py-1.5 text-left text-sm hover:bg-accent"
+      className="group flex w-full items-center justify-between rounded-sm px-2 py-1.5 text-left text-sm hover:bg-accent hover:text-accent-foreground"
     >
       <span className="flex-1 truncate">{model.name}</span>
-      <span className="text-muted-foreground ml-2 flex items-center gap-2 text-xs">
+      <span className="text-muted-foreground group-hover:text-accent-foreground/80 ml-2 flex items-center gap-2 text-xs">
         {showAge && model.created && (
-          <Badge variant="outline" className="text-[10px] text-accent">
+          <Badge
+            variant="outline"
+            className="text-[10px] text-accent group-hover:text-accent-foreground/80 group-hover:border-accent-foreground/30"
+          >
             {formatModelAge(model.created)}
           </Badge>
         )}
         {model.isFree ? (
-          <Badge variant="secondary" className="text-xs">
+          <Badge
+            variant="secondary"
+            className="text-xs group-hover:bg-accent-foreground/20 group-hover:text-accent-foreground"
+          >
             Free
           </Badge>
         ) : (