feat: client-text and client-checkbox field types — signer fills text/checks boxes on signing page

teressa-copeland-homes/src/lib/ai/field-placement.ts

@@ -38,6 +38,8 @@ const FIELD_HEIGHTS: Record<SignatureFieldType, number> = {
   'date':             12,
   'text':             12,
   'checkbox':         14,
+  'client-text':      12,
+  'client-checkbox':  14,
 };
 
 // Width clamping — use the exact measured blank width but stay within these bounds
@@ -49,6 +51,8 @@ const SIZE_LIMITS: Record<SignatureFieldType, { minW: number; maxW: number }> =
   'date':             { minW: 50,  maxW: 130 },
   'text':             { minW: 30,  maxW: 280 },
   'checkbox':         { minW: 14,  maxW: 20  },
+  'client-text':      { minW: 30,  maxW: 280 },
+  'client-checkbox':  { minW: 14,  maxW: 20  },
 };
 
 /**