feat(core): Osc133Scanner + FallbackScanner status detectors + grid tail_text

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-09 22:59:24 +07:00
parent 84a19356e2
commit 4ec7dc1a78
3 changed files with 198 additions and 0 deletions
@@ -59,6 +59,23 @@ impl GridSurface {
    pub fn term(&self) -> &Term<VoidListener> {
        &self.term
    }
+
+    /// The visible grid as text — the last `lines` rows, trailing blanks trimmed.
+    /// Used by the fallback detector.
+    pub fn tail_text(&self, lines: usize) -> String {
+        let size = self.size();
+        let start = size.lines.saturating_sub(lines);
+        let mut out = String::new();
+        for line in start..size.lines {
+            let mut row = String::new();
+            for col in 0..size.cols {
+                row.push(self.char_at(line, col));
+            }
+            out.push_str(row.trim_end());
+            out.push('\n');
+        }
+        out
+    }
 }

 #[cfg(test)]