feat: add configurable pane screen and scrollback clearing (#4383)

src/api/mod.rs

@@ -59,6 +59,7 @@ pub(crate) fn request_changes_ui(request: &Request) -> bool {
             | Method::PaneFocusDirection(_)
             | Method::PaneResize(_)
             | Method::PaneScroll(_)
+            | Method::PaneClear(_)
             | Method::PaneEditScrollback(_)
             | Method::PaneFocus(_)
             | Method::PaneInputSet(_)

src/api/schema.rs

@@ -165,6 +165,8 @@ pub enum Method {
     PaneResize(PaneResizeParams),
     #[serde(rename = "pane.scroll")]
     PaneScroll(PaneScrollParams),
+    #[serde(rename = "pane.clear")]
+    PaneClear(PaneTarget),
     #[serde(rename = "pane.edit_scrollback")]
     PaneEditScrollback(PaneTarget),
     #[serde(rename = "pane.selection.read")]

src/api/server.rs

@@ -457,6 +457,7 @@ pub(crate) fn api_method_name(method: &Method) -> &'static str {
         Method::PaneFocusDirection(_) => "pane.focus_direction",
         Method::PaneResize(_) => "pane.resize",
         Method::PaneScroll(_) => "pane.scroll",
+        Method::PaneClear(_) => "pane.clear",
         Method::PaneEditScrollback(_) => "pane.edit_scrollback",
         Method::PaneSelectionRead(_) => "pane.selection.read",
         Method::PaneCopyMotion(_) => "pane.copy_motion",