refactor: render the shell in the client (#3487)

* feat: add opt-in client-rendered shell

* feat: add client-owned shell mouse controls

* feat: complete client-owned shell chrome

* feat: add client-owned shell settings and notifications

* feat: run client shell custom commands

* feat: render popup terminals in client shell

* feat: add client-owned scrollback and copy mode

* fix: preserve client worktree trust defaults

* feat: render startup diagnostics in client shell

* feat: render onboarding in client shell

* feat: render product announcements in client shell

* feat: render release notes in client shell

* feat: render mobile switcher in client shell

* feat: render kitty graphics in client shell

* fix: preserve client shell lifecycle coherence

* refactor: route client shell commands through endpoint connections

* refactor: make the client-rendered shell the default

* refactor: remove monolithic launch mode

* refactor: complete client-rendered shell cutover

* perf: retain client pane surface updates

* perf: scale retained pane surface updates

* perf: remove remote pane input latency

* test: make client shell checks platform-independent

* fix: prevent client timer starvation

* test: fix client shell platform gates

* test: accept retained surfaces in cross-area checks

* test: make client mode assertions platform-neutral

* fix: badge only outdated integrations

1 files changed, 18 insertions, 19 deletions

diff --git a/src/persist/snapshot.rs b/src/persist/snapshot.rs
index 39f790dd..e6ca70f9 100644
--- a/src/persist/snapshot.rs
+++ b/src/persist/snapshot.rs
@@ -258,9 +258,6 @@ pub fn capture(
     terminal_runtimes: &TerminalRuntimeRegistry,
     active: Option<usize>,
     selected: usize,
-    sidebar_width: u16,
-    sidebar_section_split: f32,
-    collapsed_space_keys: std::collections::HashSet<String>,
 ) -> SessionSnapshot {
     SessionSnapshot {
         version: SNAPSHOT_VERSION,
@@ -270,9 +267,9 @@ pub fn capture(
             .collect(),
         active,
         selected,
-        sidebar_width: Some(sidebar_width),
-        sidebar_section_split: Some(sidebar_section_split),
-        collapsed_space_keys,
+        sidebar_width: None,
+        sidebar_section_split: None,
+        collapsed_space_keys: std::collections::HashSet::new(),
     }
 }
 
@@ -538,9 +535,6 @@ mod tests {
             terminal_runtimes,
             state.active,
             state.selected,
-            state.sidebar_width,
-            state.sidebar_section_split,
-            state.collapsed_space_keys.clone(),
         )
     }
 
@@ -867,16 +861,13 @@ mod tests {
     }
 
     #[test]
-    fn capture_contract_tracks_sidebar_state() {
-        let mut state = state_with_workspaces(&["one"]);
-        state.sidebar_width = 31;
-        state.sidebar_section_split = 0.4;
-        state.collapsed_space_keys.insert("repo-key".into());
+    fn capture_contract_omits_legacy_server_chrome_state() {
+        let state = state_with_workspaces(&["one"]);
 
         let snapshot = capture_from_state(&state);
-        assert_eq!(snapshot.sidebar_width, Some(31));
-        assert_eq!(snapshot.sidebar_section_split, Some(0.4));
-        assert!(snapshot.collapsed_space_keys.contains("repo-key"));
+        assert_eq!(snapshot.sidebar_width, None);
+        assert_eq!(snapshot.sidebar_section_split, None);
+        assert!(snapshot.collapsed_space_keys.is_empty());
     }
 
     #[test]
@@ -920,7 +911,11 @@ mod tests {
         let mut state = state_with_workspaces(&["one"]);
         let root = state.workspaces[0].tabs[0].root_pane;
         let second = state.workspaces[0].test_split(Direction::Horizontal);
-        crate::ui::compute_view(&mut state, Rect::new(0, 0, 106, 20));
+        crate::ui::compute_view_with_runtime_registry(
+            &mut state,
+            &crate::terminal::TerminalRuntimeRegistry::new(),
+            Rect::new(0, 0, 106, 20),
+        );
 
         state.navigate_pane(NavDirection::Right);
 
@@ -935,7 +930,11 @@ mod tests {
         let root = state.workspaces[0].tabs[0].root_pane;
         state.workspaces[0].test_split(Direction::Horizontal);
         state.workspaces[0].layout.focus_pane(root);
-        crate::ui::compute_view(&mut state, Rect::new(0, 0, 106, 20));
+        crate::ui::compute_view_with_runtime_registry(
+            &mut state,
+            &crate::terminal::TerminalRuntimeRegistry::new(),
+            Rect::new(0, 0, 106, 20),
+        );
         let before = capture_from_state(&state);
 
         state.resize_pane(NavDirection::Right);