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* fix: badge only outdated integrations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, 3 insertions, 21 deletions

diff --git a/src/app/api/plugins/context.rs b/src/app/api/plugins/context.rs
index efef83b9..8aee1c31 100644
--- a/src/app/api/plugins/context.rs
+++ b/src/app/api/plugins/context.rs
@@ -357,10 +357,6 @@ impl App {
             .as_ref()
             .and_then(|pane| pane.cwd.clone())
             .or_else(|| Some(self.default_cwd_for_workspace(ws_idx).display().to_string()));
-        let selected_text = focused_pane
-            .as_ref()
-            .and_then(|pane| self.parse_pane_id(&pane.pane_id))
-            .and_then(|(_, pane_id)| self.selected_text_for_pane(pane_id));
         PluginInvocationContext {
             workspace_id: Some(workspace.workspace_id),
             workspace_label: Some(workspace.label),
@@ -372,7 +368,9 @@ impl App {
             focused_pane_cwd: focused_pane.as_ref().and_then(|pane| pane.cwd.clone()),
             focused_pane_agent: focused_pane.as_ref().and_then(|pane| pane.agent.clone()),
             focused_pane_status: focused_pane.as_ref().map(|pane| pane.agent_status),
-            selected_text,
+            // Selection is client presentation state. Client keybindings provide
+            // revision-validated coordinates; API callers can provide explicit context.
+            selected_text: None,
             invocation_source: Some("api".to_string()),
             correlation_id: Some(correlation_id.to_string()),
             clicked_url: None,
@@ -380,22 +378,6 @@ impl App {
         }
     }
 
-    fn selected_text_for_pane(&self, pane_id: crate::layout::PaneId) -> Option<String> {
-        let selection = self.state.selection.as_ref()?;
-        if selection.pane_id != pane_id || !selection.is_visible() {
-            return None;
-        }
-        let terminal_id = self
-            .state
-            .workspaces
-            .iter()
-            .find_map(|workspace| workspace.terminal_id(pane_id))?;
-        self.terminal_runtimes
-            .get(terminal_id)
-            .and_then(|runtime| runtime.extract_selection(selection))
-            .filter(|text| !text.is_empty())
-    }
-
     fn default_cwd_for_workspace(&self, ws_idx: usize) -> std::path::PathBuf {
         self.state
             .workspaces