diff --git a/src/main/agent/runtime.ts b/src/main/agent/runtime.ts
index 3bee29c..caf2959 100644
--- a/src/main/agent/runtime.ts
+++ b/src/main/agent/runtime.ts
@@ -59,7 +59,9 @@ export async function closeCheckpointer(threadId: string): Promise<void> {
 }
 
 // Get the appropriate model instance based on configuration
-function getModelInstance(modelId?: string): ChatAnthropic | ChatOpenAI | ChatGoogleGenerativeAI | string {
+function getModelInstance(
+  modelId?: string
+): ChatAnthropic | ChatOpenAI | ChatGoogleGenerativeAI | string {
   const model = modelId || getDefaultModel()
   console.log('[Runtime] Using model:', model)
 
diff --git a/src/main/index.ts b/src/main/index.ts
index 57ba223..ce7b355 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -5,42 +5,6 @@ import { registerThreadHandlers } from './ipc/threads'
 import { registerModelHandlers } from './ipc/models'
 import { initializeDatabase } from './db'
 
-// Suppress expected errors from LangChain stream handlers when streams are aborted
-// These occur when the LLM is still generating but the stream has been closed
-const originalConsoleError = console.error
-console.error = (...args: unknown[]) => {
-  const message = args.map((a) => String(a)).join(' ')
-  if (
-    message.includes('Controller is already closed') ||
-    message.includes('ERR_INVALID_STATE') ||
-    (message.includes('StreamMessagesHandler') && message.includes('aborted'))
-  ) {
-    // Expected during stream cancellation - suppress
-    return
-  }
-  originalConsoleError.apply(console, args)
-}
-
-process.on('uncaughtException', (error) => {
-  if (
-    error.message?.includes('Controller is already closed') ||
-    error.message?.includes('aborted')
-  ) {
-    // Expected during stream cancellation - suppress
-    return
-  }
-  originalConsoleError('Uncaught exception:', error)
-})
-
-process.on('unhandledRejection', (reason) => {
-  const message = reason instanceof Error ? reason.message : String(reason)
-  if (message?.includes('Controller is already closed') || message?.includes('aborted')) {
-    // Expected during stream cancellation - suppress
-    return
-  }
-  originalConsoleError('Unhandled rejection:', reason)
-})
-
 let mainWindow: BrowserWindow | null = null
 
 // Simple dev check - replaces @electron-toolkit/utils is.dev
diff --git a/src/renderer/src/components/chat/ContextUsageIndicator.tsx b/src/renderer/src/components/chat/ContextUsageIndicator.tsx
index b2251bd..3f58e99 100644
--- a/src/renderer/src/components/chat/ContextUsageIndicator.tsx
+++ b/src/renderer/src/components/chat/ContextUsageIndicator.tsx
@@ -92,9 +92,9 @@ export function ContextUsageIndicator({
   const usagePercent = Math.min((usedTokens / contextLimit) * 100, 100)
 
   // Determine color based on usage
-  let colorClass = 'text-muted-foreground'
-  let bgColorClass = 'bg-muted-foreground/20'
-  let barColorClass = 'bg-muted-foreground'
+  let colorClass = 'text-blue-500'
+  let bgColorClass = 'bg-blue-500/20'
+  let barColorClass = 'bg-blue-500'
   let statusText = 'Normal'
 
   if (usagePercent >= 90) {
@@ -200,40 +200,48 @@ export function ContextUsageIndicator({
             </div>
           </div>
 
-          {/* Cache info (if available) */}
-          {hasCacheData && (
-            <div className="space-y-1.5 pt-2 border-t border-border">
-              <div className="text-[10px] font-medium text-muted-foreground uppercase tracking-wider">
-                Cache
-              </div>
-
-              <div className="space-y-1">
-                {tokenUsage.cacheReadTokens !== undefined && tokenUsage.cacheReadTokens > 0 && (
-                  <div className="flex items-center justify-between text-xs">
-                    <div className="flex items-center gap-1.5 text-green-500">
-                      <Database className="size-3" />
-                      <span>Cache hits</span>
-                    </div>
-                    <span className="font-mono text-green-500">
-                      {formatTokenCountFull(tokenUsage.cacheReadTokens)}
-                    </span>
-                  </div>
-                )}
-
-                {tokenUsage.cacheCreationTokens !== undefined && tokenUsage.cacheCreationTokens > 0 && (
-                  <div className="flex items-center justify-between text-xs">
-                    <div className="flex items-center gap-1.5 text-blue-500">
-                      <Database className="size-3" />
-                      <span>Cache created</span>
-                    </div>
-                    <span className="font-mono text-blue-500">
-                      {formatTokenCountFull(tokenUsage.cacheCreationTokens)}
-                    </span>
-                  </div>
-                )}
-              </div>
+          {/* Cache info (always show, with "none" state) */}
+          <div className="space-y-1.5 pt-2 border-t border-border">
+            <div className="text-[10px] font-medium text-muted-foreground uppercase tracking-wider">
+              Cache
             </div>
-          )}
+
+            <div className="space-y-1">
+              {hasCacheData ? (
+                <>
+                  {tokenUsage.cacheReadTokens !== undefined && tokenUsage.cacheReadTokens > 0 && (
+                    <div className="flex items-center justify-between text-xs">
+                      <div className="flex items-center gap-1.5 text-green-500">
+                        <Database className="size-3" />
+                        <span>Cache hits</span>
+                      </div>
+                      <span className="font-mono text-green-500">
+                        {formatTokenCountFull(tokenUsage.cacheReadTokens)}
+                      </span>
+                    </div>
+                  )}
+
+                  {tokenUsage.cacheCreationTokens !== undefined && tokenUsage.cacheCreationTokens > 0 && (
+                    <div className="flex items-center justify-between text-xs">
+                      <div className="flex items-center gap-1.5 text-blue-500">
+                        <Database className="size-3" />
+                        <span>Cache created</span>
+                      </div>
+                      <span className="font-mono text-blue-500">
+                        {formatTokenCountFull(tokenUsage.cacheCreationTokens)}
+                      </span>
+                    </div>
+                  )}
+                </>
+              ) : (
+                <div className="text-xs text-muted-foreground">
+                  No cached tokens
+                </div>
+              )}
+            </div>
+          </div>
+
+
 
           {/* Last updated */}
           <div className="pt-2 border-t border-border">
diff --git a/src/renderer/src/components/settings/SettingsDialog.tsx b/src/renderer/src/components/settings/SettingsDialog.tsx
deleted file mode 100644
index b29965e..0000000
--- a/src/renderer/src/components/settings/SettingsDialog.tsx
+++ /dev/null
@@ -1,215 +0,0 @@
-import { useState, useEffect } from 'react'
-import { Eye, EyeOff, Check, AlertCircle, Loader2 } from 'lucide-react'
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogHeader,
-  DialogTitle
-} from '@/components/ui/dialog'
-import { Button } from '@/components/ui/button'
-import { Input } from '@/components/ui/input'
-import { Separator } from '@/components/ui/separator'
-
-interface SettingsDialogProps {
-  open: boolean
-  onOpenChange: (open: boolean) => void
-}
-
-interface ProviderConfig {
-  id: string
-  name: string
-  envVar: string
-  placeholder: string
-}
-
-const PROVIDERS: ProviderConfig[] = [
-  {
-    id: 'anthropic',
-    name: 'Anthropic',
-    envVar: 'ANTHROPIC_API_KEY',
-    placeholder: 'sk-ant-...'
-  },
-  {
-    id: 'openai',
-    name: 'OpenAI',
-    envVar: 'OPENAI_API_KEY',
-    placeholder: 'sk-...'
-  },
-  {
-    id: 'google',
-    name: 'Google AI',
-    envVar: 'GOOGLE_API_KEY',
-    placeholder: 'AIza...'
-  }
-]
-
-export function SettingsDialog({ open, onOpenChange }: SettingsDialogProps): React.JSX.Element {
-  const [apiKeys, setApiKeys] = useState<Record<string, string>>({})
-  const [savedKeys, setSavedKeys] = useState<Record<string, boolean>>({})
-  const [showKeys, setShowKeys] = useState<Record<string, boolean>>({})
-  const [saving, setSaving] = useState<Record<string, boolean>>({})
-  const [loading, setLoading] = useState(true)
-
-  // Load existing settings on mount
-  useEffect(() => {
-    if (open) {
-      loadApiKeys()
-    }
-  }, [open])
-
-  async function loadApiKeys(): Promise<void> {
-    setLoading(true)
-    const keys: Record<string, string> = {}
-    const saved: Record<string, boolean> = {}
-
-    for (const provider of PROVIDERS) {
-      try {
-        const key = await window.api.models.getApiKey(provider.id)
-        if (key) {
-          // Show masked version
-          keys[provider.id] = '••••••••••••••••'
-          saved[provider.id] = true
-        } else {
-          keys[provider.id] = ''
-          saved[provider.id] = false
-        }
-      } catch (e) {
-        keys[provider.id] = ''
-        saved[provider.id] = false
-      }
-    }
-
-    setApiKeys(keys)
-    setSavedKeys(saved)
-    setLoading(false)
-  }
-
-  async function saveApiKey(providerId: string): Promise<void> {
-    const key = apiKeys[providerId]
-    if (!key || key === '••••••••••••••••') return
-
-    setSaving((prev) => ({ ...prev, [providerId]: true }))
-
-    try {
-      await window.api.models.setApiKey(providerId, key)
-      setSavedKeys((prev) => ({ ...prev, [providerId]: true }))
-      setApiKeys((prev) => ({ ...prev, [providerId]: '••••••••••••••••' }))
-      setShowKeys((prev) => ({ ...prev, [providerId]: false }))
-    } catch (e) {
-      console.error('Failed to save API key:', e)
-    } finally {
-      setSaving((prev) => ({ ...prev, [providerId]: false }))
-    }
-  }
-
-  function handleKeyChange(providerId: string, value: string): void {
-    // If user starts typing on a masked field, clear it
-    if (apiKeys[providerId] === '••••••••••••••••' && value.length > 16) {
-      value = value.slice(16)
-    }
-    setApiKeys((prev) => ({ ...prev, [providerId]: value }))
-    setSavedKeys((prev) => ({ ...prev, [providerId]: false }))
-  }
-
-  function toggleShowKey(providerId: string): void {
-    setShowKeys((prev) => ({ ...prev, [providerId]: !prev[providerId] }))
-  }
-
-  return (
-    <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="sm:max-w-[500px]">
-        <DialogHeader>
-          <DialogTitle>Settings</DialogTitle>
-          <DialogDescription>
-            Configure API keys for model providers. Keys are stored securely on your device.
-          </DialogDescription>
-        </DialogHeader>
-
-        <Separator />
-
-        <div className="space-y-6 py-2">
-          <div className="text-section-header">API KEYS</div>
-
-          {loading ? (
-            <div className="flex items-center justify-center py-8">
-              <Loader2 className="size-6 animate-spin text-muted-foreground" />
-            </div>
-          ) : (
-            <div className="space-y-4">
-              {PROVIDERS.map((provider) => (
-                <div key={provider.id} className="space-y-2">
-                  <div className="flex items-center justify-between">
-                    <label className="text-sm font-medium">{provider.name}</label>
-                    {savedKeys[provider.id] ? (
-                      <span className="flex items-center gap-1 text-xs text-status-nominal">
-                        <Check className="size-3" />
-                        Configured
-                      </span>
-                    ) : apiKeys[provider.id] ? (
-                      <span className="flex items-center gap-1 text-xs text-status-warning">
-                        <AlertCircle className="size-3" />
-                        Unsaved
-                      </span>
-                    ) : (
-                      <span className="text-xs text-muted-foreground">Not set</span>
-                    )}
-                  </div>
-                  <div className="flex gap-2">
-                    <div className="relative flex-1">
-                      <Input
-                        type={showKeys[provider.id] ? 'text' : 'password'}
-                        value={apiKeys[provider.id] || ''}
-                        onChange={(e) => handleKeyChange(provider.id, e.target.value)}
-                        placeholder={provider.placeholder}
-                        className="pr-10"
-                      />
-                      <button
-                        type="button"
-                        onClick={() => toggleShowKey(provider.id)}
-                        className="absolute right-2 top-1/2 -translate-y-1/2 text-muted-foreground hover:text-foreground transition-colors"
-                      >
-                        {showKeys[provider.id] ? (
-                          <EyeOff className="size-4" />
-                        ) : (
-                          <Eye className="size-4" />
-                        )}
-                      </button>
-                    </div>
-                    <Button
-                      variant={savedKeys[provider.id] ? 'outline' : 'default'}
-                      size="sm"
-                      onClick={() => saveApiKey(provider.id)}
-                      disabled={
-                        saving[provider.id] ||
-                        !apiKeys[provider.id] ||
-                        apiKeys[provider.id] === '••••••••••••••••'
-                      }
-                    >
-                      {saving[provider.id] ? (
-                        <Loader2 className="size-4 animate-spin" />
-                      ) : (
-                        'Save'
-                      )}
-                    </Button>
-                  </div>
-                  <p className="text-xs text-muted-foreground">
-                    Environment variable: <code className="text-foreground">{provider.envVar}</code>
-                  </p>
-                </div>
-              ))}
-            </div>
-          )}
-        </div>
-
-        <Separator />
-
-        <div className="flex justify-end">
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
-            Done
-          </Button>
-        </div>
-      </DialogContent>
-    </Dialog>
-  )
-}