feat: add log viewer components and fix build issues

- Add LogViewer component with syntax highlighting and auto-scroll
- Add LogControls for play/pause, auto-scroll, refresh, download, clear
- Add LogSearch component with search highlighting
- Add Input UI component
- Fix TypeScript type issues in ProcessCard and types.ts
- Fix XML-RPC client type issues
- Add force-dynamic to layout to prevent SSR issues with client components
- Add mounted state to Navbar for theme toggle hydration
- Add custom 404 page

Components added:
- components/logs/LogViewer.tsx - Main log viewer with real-time display
- components/logs/LogControls.tsx - Control panel for log viewing
- components/logs/LogSearch.tsx - Search input for filtering logs
- components/ui/input.tsx - Reusable input component

Fixes:
- ProcessStateCode type casting in ProcessCard
- XML-RPC client options type (use any to avoid library type issues)
- canStartProcess/canStopProcess type assertions
- Dynamic rendering to prevent SSR hydration issues

🤖 Generated with Claude Code (https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

components/ui/input.tsx

@@ -0,0 +1,27 @@
+import { InputHTMLAttributes, forwardRef } from 'react';
+import { cn } from '@/lib/utils/cn';
+
+export interface InputProps extends InputHTMLAttributes<HTMLInputElement> {}
+
+const Input = forwardRef<HTMLInputElement, InputProps>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          'flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm',
+          'ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium',
+          'placeholder:text-muted-foreground',
+          'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2',
+          'disabled:cursor-not-allowed disabled:opacity-50',
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    );
+  }
+);
+Input.displayName = 'Input';
+
+export { Input };