Always use ArchiveSelectedThread action for archiving threads (#54348)

This changes the action for archiving threads in the main sidebar view
from `RemoveSelectedThread` to `ArchiveSelectedThread`. It has the same
key binding as before: `shift-backspace`. I also added `ctrl-backspace`
as a binding for deleting archived threads in the history view.

Release Notes:

- N/A

assets/keymaps/default-linux.json

@@ -727,7 +727,8 @@
       "enter": "menu::Confirm",
       "ctrl-f": "agents_sidebar::FocusSidebarFilter",
       "ctrl-g": "agents_sidebar::ToggleThreadHistory",
-      "shift-backspace": "agent::RemoveSelectedThread",
+      "shift-backspace": "agent::ArchiveSelectedThread",
+      "ctrl-backspace": "agent::RemoveSelectedThread",
       "ctrl-tab": "agents_sidebar::ToggleThreadSwitcher",
       "ctrl-shift-tab": ["agents_sidebar::ToggleThreadSwitcher", { "select_last": true }],
     },

assets/keymaps/default-macos.json

@@ -783,7 +783,8 @@
       "enter": "menu::Confirm",
       "cmd-f": "agents_sidebar::FocusSidebarFilter",
       "cmd-g": "agents_sidebar::ToggleThreadHistory",
-      "shift-backspace": "agent::RemoveSelectedThread",
+      "shift-backspace": "agent::ArchiveSelectedThread",
+      "cmd-shift-backspace": "agent::RemoveSelectedThread",
       "ctrl-tab": "agents_sidebar::ToggleThreadSwitcher",
       "ctrl-shift-tab": ["agents_sidebar::ToggleThreadSwitcher", { "select_last": true }],
     },

assets/keymaps/default-windows.json

@@ -728,7 +728,8 @@
       "enter": "menu::Confirm",
       "ctrl-f": "agents_sidebar::FocusSidebarFilter",
       "ctrl-g": "agents_sidebar::ToggleThreadHistory",
-      "shift-backspace": "agent::RemoveSelectedThread",
+      "shift-backspace": "agent::ArchiveSelectedThread",
+      "ctrl-backspace": "agent::RemoveSelectedThread",
       "ctrl-tab": "agents_sidebar::ToggleThreadSwitcher",
       "ctrl-shift-tab": ["agents_sidebar::ToggleThreadSwitcher", { "select_last": true }],
     },

crates/sidebar/src/sidebar.rs

@@ -12,8 +12,8 @@ use agent_ui::threads_archive_view::{
     ThreadsArchiveView, ThreadsArchiveViewEvent, format_history_entry_timestamp,
 };
 use agent_ui::{
-    AcpThreadImportOnboarding, Agent, AgentPanel, AgentPanelEvent, CrossChannelImportOnboarding,
-    DEFAULT_THREAD_TITLE, NewThread, RemoveSelectedThread, ThreadId, ThreadImportModal,
+    AcpThreadImportOnboarding, Agent, AgentPanel, AgentPanelEvent, ArchiveSelectedThread,
+    CrossChannelImportOnboarding, DEFAULT_THREAD_TITLE, NewThread, ThreadId, ThreadImportModal,
     channels_with_threads, import_threads_from_other_channels,
 };
 use chrono::{DateTime, Utc};
@@ -3543,9 +3543,9 @@ impl Sidebar {
         }
     }
 
-    fn remove_selected_thread(
+    fn archive_selected_thread(
         &mut self,
-        _: &RemoveSelectedThread,
+        _: &ArchiveSelectedThread,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -3934,7 +3934,7 @@ impl Sidebar {
                             move |_window, cx| {
                                 Tooltip::for_action_in(
                                     "Archive Thread",
-                                    &RemoveSelectedThread,
+                                    &ArchiveSelectedThread,
                                     &focus_handle,
                                     cx,
                                 )
@@ -4918,7 +4918,7 @@ impl Render for Sidebar {
             .on_action(cx.listener(Self::fold_all))
             .on_action(cx.listener(Self::unfold_all))
             .on_action(cx.listener(Self::cancel))
-            .on_action(cx.listener(Self::remove_selected_thread))
+            .on_action(cx.listener(Self::archive_selected_thread))
             .on_action(cx.listener(Self::new_thread_in_group))
             .on_action(cx.listener(Self::toggle_archive))
             .on_action(cx.listener(Self::focus_sidebar_filter))