gap: single cell border: only a triple-click selects the cell, not the ribbon's Select Paragraph

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

crates/engine/src/cmd/caret.rs

@@ -378,10 +378,14 @@ fn select_sentence(s: &mut Session, _: &Value) -> CmdResult {
     select_unit(s, Unit::Sentence)
 }
 
-/// A triple-click on the last paragraph of a table cell selects the cell (Word takes its end
-/// mark too, which shades it), so its borders then move on their own (`table.resizeDrag`).
-fn select_paragraph(s: &mut Session, _: &Value) -> CmdResult {
+/// A triple-click (`cell: true`) on the last paragraph of a table cell selects the cell (Word
+/// takes its end mark too, which shades it), so its borders then move on their own
+/// (`table.resizeDrag`). Without `cell` (the ribbon's Select Paragraph) only the paragraph is selected.
+fn select_paragraph(s: &mut Session, v: &Value) -> CmdResult {
     let r = select_unit(s, Unit::Paragraph);
+    if v.get("cell").and_then(Value::as_bool) != Some(true) {
+        return r;
+    }
     let (a, b) = (s.sel.anchor.clone(), s.sel.focus.clone());
     let n = a.path.0.len();
     if a.story == b.story

crates/engine/src/cmd/table_resize.rs

@@ -1028,7 +1028,7 @@ mod tests {
             }
             "triple" => {
                 s.run("caret.set", &json!({"page": 0, "x": b.x + b.w / 2.0, "y": y})).unwrap();
-                s.run("select.paragraph", &json!({})).unwrap();
+                s.run("select.paragraph", &json!({"cell": true})).unwrap();
             }
             _ => {
                 s.run("caret.set", &json!({"page": 0, "x": b.x + b.w / 2.0, "y": y})).unwrap();
@@ -1131,6 +1131,9 @@ mod tests {
             s.run("text.insert", &json!({"text": "Two"})).unwrap();
             s.run("select.text", &json!({"text": if last { "Two" } else { "One" }})).unwrap();
             s.run("select.paragraph", &json!({})).unwrap();
+            assert!(s.cell_range().is_none(), "the ribbon's Select Paragraph never selects the cell");
+            s.run("select.text", &json!({"text": if last { "Two" } else { "One" }})).unwrap();
+            s.run("select.paragraph", &json!({"cell": true})).unwrap();
             assert_eq!(s.cell_range().is_some(), last);
             let b = cell_rect(&mut s, 1, 1);
             let y = b.y + b.h / 2.0;

crates/ui-egui/src/canvas.rs

@@ -2372,7 +2372,7 @@ fn mouse(app: &mut WordApp, ui: &Ui, resp: &egui::Response, rects: &[Rect], layo
         return;
     }
     if resp.triple_clicked() {
-        let _ = app.run("select.paragraph", json!({}));
+        let _ = app.run("select.paragraph", json!({"cell": true}));
         return;
     }
     let pressed = ui.input(|i| i.pointer.primary_pressed()) && resp.contains_pointer() && !over_balloon(app, p);