Fix transcript bottom scroll

Cargo.lock

@@ -226,7 +226,7 @@ checksum = "8ae3f5d315924270530207e2a68396c3cc547f6dca3fbdca317cfb1a51edb593"
 
 [[package]]
 name = "cassady"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "async-trait",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cassady"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 description = "Cassady/Cass minimal terminal coding agent"
 license = "MIT"

src/ui/render.rs

@@ -600,9 +600,6 @@ fn ratatui_wrapped_row_count(line: &str, content_width: usize) -> usize {
         non_whitespace_previous = !is_whitespace;
     }
 
-    if !pending_line_has_symbols && word_symbols == 0 && whitespace_symbols > 0 {
-        rows = rows.saturating_add(1);
-    }
     if whitespace_symbols > 0 || word_symbols > 0 {
         pending_line_has_symbols = true;
     }
@@ -993,6 +990,11 @@ mod tests {
         assert_eq!(max_transcript_scroll(&transcript, false, false, area), 0);
     }
 
+    #[test]
+    fn whitespace_only_line_counts_as_one_wrapped_row() {
+        assert_eq!(ratatui_wrapped_row_count("  ", 80), 1);
+    }
+
     #[test]
     fn input_height_wraps_long_line() {
         // A single long line with no newlines should occupy more than 1 row