feat(dashboard): convert 4 Sections to Hook components

- Create PersonalitySectionHook (medium complexity)
- Create DebugSectionHook (simple complexity)
- Create ExpressionSectionHook (high complexity)
- Create BotInfoSectionHook (simple complexity)
- Update hooks/index.ts with exports
- Pattern validated across different complexity levels

dashboard/src/routes/config/bot/hooks/ExpressionSectionHook.tsx

@@ -0,0 +1,15 @@
+import type { FieldHookComponent } from '@/lib/field-hooks'
+import { ExpressionSection } from '../sections/ExpressionSection'
+
+/**
+ * ExpressionSection as a Field Hook Component
+ * This component replaces the entire 'expression' nested config section rendering
+ */
+export const ExpressionSectionHook: FieldHookComponent = ({ value, onChange }) => {
+  return (
+    <ExpressionSection
+      config={value as any}
+      onChange={(newConfig) => onChange?.(newConfig)}
+    />
+  )
+}