fix: route osc 8 file links to plugin handlers (#2942)

refs #2941

Co-authored-by: akbash-bot <300245827+akbash-bot@users.noreply.github.com>

docs/next/CHANGELOG.md

@@ -23,6 +23,7 @@
 - Claude Code panes now remain working while MCP tasks continue in the background after a turn ends. (#3090)
 - Tab bar status commands now remove ESC-prefixed terminal control sequences instead of displaying their sequence bodies as text. (#3001)
 - Unix plugin pane commands now default `PWD` to their resolved working directory, so direct popup tools open at explicit `--cwd` paths while preserving caller-provided `PWD` values. (#2984)
+- Plugin link handlers now receive matching OSC 8 `file://` clicks while unmatched file links remain excluded from the system URL opener. (#2941)
 
 ## [0.8.2] - 2026-08-19
 

src/app/actions.rs

@@ -2245,7 +2245,7 @@ impl AppState {
             .into_iter()
             .find(|((x, y), _, _)| *x == screen_col && *y == screen_row)
         {
-            return safe_web_url(&uri).map(str::to_owned);
+            return Some(uri);
         }
 
         let metrics = self.pane_scroll_metrics(terminal_runtimes, pane_id);

src/app/input/mod.rs

@@ -595,14 +595,21 @@ impl App {
             return false;
         };
 
-        self.last_pane_click = None;
-        self.pending_url_click_sources.insert(source_id);
-        match self.invoke_plugin_link_handler_for_url(&url, info.id) {
-            Ok(true) => return true,
-            Ok(false) => {}
+        let plugin_handled = match self.invoke_plugin_link_handler_for_url(&url, info.id) {
+            Ok(handled) => handled,
             Err(err) => {
                 tracing::warn!(err = %err, url = %url, "failed to invoke plugin link handler");
+                false
             }
+        };
+        if !plugin_handled && crate::app::actions::safe_web_url(&url).is_none() {
+            return false;
+        }
+
+        self.last_pane_click = None;
+        self.pending_url_click_sources.insert(source_id);
+        if plugin_handled {
+            return true;
         }
         match open_url(&url) {
             Ok(Some(child)) => self.detached_process_children.push(child),

src/app/input/terminal.rs

@@ -1042,6 +1042,57 @@ mod tests {
         );
     }
 
+    #[cfg(unix)]
+    #[tokio::test]
+    async fn ctrl_click_osc8_file_url_invokes_plugin_link_handler() {
+        let uri = "file:///tmp/herdr-file-repro.txt";
+        let screen = format!("\x1b]8;;{uri}\x1b\\FILE\x1b]8;;\x1b\\");
+        let (mut app, info) = app_with_screen_bytes(screen.as_bytes());
+        install_test_link_handler(&mut app);
+        app.state
+            .installed_plugins
+            .get_mut("example.links")
+            .expect("test plugin")
+            .link_handlers[0]
+            .pattern = r"^file:///tmp/herdr-file-repro\.txt$".into();
+
+        let handled = app.handle_modified_url_click_with(
+            41,
+            modified_mouse(
+                MouseEventKind::Down(MouseButton::Left),
+                info.inner_rect.x + 1,
+                info.inner_rect.y,
+                KeyModifiers::CONTROL,
+            ),
+            |_| panic!("matched file link should not use the system URL opener"),
+        );
+
+        assert!(handled);
+        let log = app
+            .state
+            .plugin_command_logs
+            .last()
+            .expect("ctrl-click should start plugin link handler");
+        assert_eq!(log.plugin_id, "example.links");
+        assert_eq!(log.action_id.as_deref(), Some("open"));
+
+        let (mut unmatched_app, unmatched_info) = app_with_screen_bytes(screen.as_bytes());
+        install_test_link_handler(&mut unmatched_app);
+        let unmatched_handled = unmatched_app.handle_modified_url_click_with(
+            42,
+            modified_mouse(
+                MouseEventKind::Down(MouseButton::Left),
+                unmatched_info.inner_rect.x + 1,
+                unmatched_info.inner_rect.y,
+                KeyModifiers::CONTROL,
+            ),
+            |_| panic!("unmatched file link should not use the system URL opener"),
+        );
+
+        assert!(!unmatched_handled);
+        assert!(unmatched_app.state.plugin_command_logs.is_empty());
+    }
+
     #[cfg(unix)]
     #[tokio::test]
     async fn ctrl_click_url_invokes_plugin_link_handler_but_super_click_does_not() {