fix(desktop): solid background wells for provider config inputs

One tint step between panel and input was imperceptible; use the solid
background token so fields read as wells on the tinted section.

apps/desktop/src/app/settings/memory/field-control.tsx

@@ -1,14 +1,31 @@
 import { Input } from '@/components/ui/input'
+import { Tip } from '@/components/ui/tooltip'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
 import { Switch } from '@/components/ui/switch'
 import { Textarea } from '@/components/ui/textarea'
-import { Check } from '@/lib/icons'
+import { Check, Info } from '@/lib/icons'
 import type { MemoryProviderField } from '@/types/hermes'
 
 import { CONTROL_TEXT } from '../constants'
 
 // Fade the placeholder well below set values so example text never reads as data.
-const FIELD_INPUT = `border-(--ui-stroke-tertiary) bg-(--ui-bg-quaternary) font-mono ${CONTROL_TEXT} placeholder:text-muted-foreground/45`
+const FIELD_INPUT = `border-(--ui-stroke-secondary) bg-background font-mono ${CONTROL_TEXT} placeholder:text-muted-foreground/45`
+
+// Field label with an optional info tooltip, shared by the panel and modal rows.
+export function FieldTitle({ field }: { field: MemoryProviderField }) {
+  if (!field.info) {
+    return <>{field.label}</>
+  }
+
+  return (
+    <span className="inline-flex items-center gap-1.5">
+      {field.label}
+      <Tip label={field.info}>
+        <Info aria-label={`About ${field.label}`} className="size-3.5 text-muted-foreground/70" />
+      </Tip>
+    </span>
+  )
+}
 
 // Values are edited as strings; the backend coerces them to native types.
 export function FieldControl({