ok

server-rs/src/data/property/mod.rs

@@ -39,6 +39,9 @@ pub struct HistoricalPrice {
     pub year: i32,
     pub month: u8,
     pub price: i64,
+    /// Whether this specific sale was a new-build transfer (PPD `old_new == "Y"`).
+    /// Defaults to `false` for older parquet that predates the per-sale flag.
+    pub is_new: bool,
 }
 
 /// A point on the property's tenure timeline: the year a certificate first