Type tool: a release away from the press doesn't convert the empty frame

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

crates/tools/src/tests.rs

@@ -1080,6 +1080,9 @@ fn type_tool_drag_over_an_empty_frame_draws_a_new_text_frame() {
     assert!(t.pointer(&cx, &PointerEvent::new(PointerKind::Down, x, y)).is_empty());
     let a = t.pointer(&cx, &PointerEvent::new(PointerKind::Up, x, y));
     assert!(matches!(&a[..], [Action::Exec(cmd, p)] if cmd == "text.placeCaret" && p["frame"] == id.0), "{a:?}");
+    // A release away from the press with no drag in between isn't a click: no caret, no conversion.
+    assert!(t.pointer(&cx, &PointerEvent::new(PointerKind::Down, x, y)).is_empty());
+    assert!(t.pointer(&cx, &PointerEvent::new(PointerKind::Up, x1, y1)).is_empty());
 }
 
 #[test]

crates/tools/src/text.rs

@@ -333,8 +333,12 @@ impl Tool for TypeTool {
                     self.selecting = None;
                     return vec![Action::Commit];
                 }
-                // A click in an empty frame: it becomes a text frame with the caret in it.
+                // A click in an empty frame: it becomes a text frame with the caret in it. A release
+                // away from the press (with no drag in between) isn't a click: nothing changes.
                 if let Some((fid, at)) = self.convert.take() {
+                    if start.is_some_and(|a| (ev.pos - a).hypot() >= cx.tol(3.0)) {
+                        return vec![];
+                    }
                     return vec![Action::Exec("text.placeCaret".into(), json!({"frame": fid, "point": [at.x, at.y]}))];
                 }
                 // Ends a press in text: drops dragged text, or is ignored by the engine.