Synced from monorepo

Changes:
- Gate session-lifecycle heap steady state with a dhat soak
- Unbreak merge lifecycle e2e after default model → grok-4.5
- Scan home-scope rules dirs at <root>/rules
- Complete text-input paste and terminal parity
- Gate project roles and personas
- Use canonical editing in dialogs
- Use canonical editing in search bars
- Reject ambiguous MCP tool IDs
- Harden Git operands for plugins
- Simplify queue drain API
- Pass RFC 9207 iss through MCP OAuth token exchange
- Show leader roster when local agents map is empty
- Use canonical editing in Persona views
- Remove marketplace default-skills auto-install and purge old installs
- Use canonical editing in extension forms
- Add canonical dashboard text editing
- Use canonical editing in settings
- Add /summarize as a /recap alias
- Restore previous agent when exiting dashboard
- Use tool_choice auto for compaction
- Settings toggle for snap-prompt-to-top on send
- Update default models to grok-4.5
- Source login shell once for local bash (env + alias/function snapshot)
- Template hardcoded param names in server-native tool descriptions
- Fix System-Reminder XML tag injection in CLAUDE.md via agents_md
- Fix remote workspace-server hardcoding LSP trust (repo code execution risk)
- Clear orphaned tool-call updates at turn end
- Suppress task wake after cancel
- Send x-grok-client-identifier on direct API tool calls
- Harden dashboard peek lease transitions
- Host /btw side panel in live region (minimal mode)
- Bound scroll presentation latency
- Highlight multi-line constructs correctly in diffs and the file viewer
- Block web_fetch non-public IPs; local opt-in is explicit-host only
- Seed coding_data_retention_opt_out=false for OAuth e2es in pty-harness
- Follow up clipboard delivery feedback
- Use canonical editing in pickers
- Route TextArea through canonical editor
- Persistent "watching" status row; quieter turn markers
- Gate sensitive edit targets
- Expose agent registry counts and gate session churn on them
- Default coding data sharing to opt-out until server preference applies
- Wire chat attachment ids through gateway prompts
- On auth refresh failure, issue retry
- Forward preview provenance and computer lifecycle state
- Document independent privacy controls and scope /privacy output
- Strip SamplingError Display prefix on rate-limit UI copy
- Stop dumping Cloudflare HTML into Retry failed
- Disable in-place prompt edit (scroll jank on enter)
- Strip forced ANSI color from gh pr view JSON
- Plumb bash tool description onto ToolUsageCard wire

crates/codegen/xai-grok-pager-render/src/appearance/cache.rs

@@ -30,6 +30,7 @@ const TIMESTAMPS_DEFAULT: bool = true;
 /// [`UiConfig::SHOW_TIMELINE_DEFAULT`]; aliased here for the `Cell::new`
 /// const context and the effective-config fallback read.
 const TIMELINE_DEFAULT: bool = UiConfig::SHOW_TIMELINE_DEFAULT;
+const PAGE_FLIP_ON_SEND_DEFAULT: bool = UiConfig::PAGE_FLIP_ON_SEND_DEFAULT;
 const SIMPLE_MODE_DEFAULT: bool = true;
 /// Vim-mode scrollback default — matches the previous on-disk default.
 const VIM_MODE_DEFAULT: bool = false;
@@ -135,6 +136,34 @@ pub fn set_show_timeline(enabled: bool) {
     TIMELINE_LOADED.with(|l| l.set(true));
 }
 
+// -- Page-flip on send ---------------------------------------------------------
+
+thread_local! {
+    static PAGE_FLIP_ON_SEND_CURRENT: Cell<bool> = const { Cell::new(PAGE_FLIP_ON_SEND_DEFAULT) };
+    static PAGE_FLIP_ON_SEND_LOADED: Cell<bool> = const { Cell::new(false) };
+}
+
+/// Cached `page_flip_on_send`, seeding from `[ui]` on first call.
+pub fn load_page_flip_on_send() -> bool {
+    PAGE_FLIP_ON_SEND_LOADED.with(|loaded| {
+        if !loaded.get() {
+            PAGE_FLIP_ON_SEND_CURRENT.with(|c| {
+                c.set(load_bool_from_effective_config(
+                    "page_flip_on_send",
+                    PAGE_FLIP_ON_SEND_DEFAULT,
+                ))
+            });
+            loaded.set(true);
+        }
+    });
+    PAGE_FLIP_ON_SEND_CURRENT.with(|c| c.get())
+}
+
+pub fn set_page_flip_on_send(enabled: bool) {
+    PAGE_FLIP_ON_SEND_CURRENT.with(|c| c.set(enabled));
+    PAGE_FLIP_ON_SEND_LOADED.with(|l| l.set(true));
+}
+
 // -- Simple mode --------------------------------------------------------------
 
 thread_local! {
@@ -545,6 +574,7 @@ pub fn prime(ui: &UiConfig) {
     set(ui.compact_mode);
     set_timestamps(ui.show_timestamps.unwrap_or(TIMESTAMPS_DEFAULT));
     set_show_timeline(ui.show_timeline_enabled());
+    set_page_flip_on_send(ui.page_flip_on_send_enabled());
     set_simple_mode(ui.simple_mode.unwrap_or(SIMPLE_MODE_DEFAULT));
     set_keep_text_selection(text_selection_from_ui(ui));
     // Layered-config keys (not the `UiConfig` arg) — seed so the first frame
@@ -656,6 +686,7 @@ mod tests {
         assert_eq!(COMPACT_DEFAULT, ui.compact_mode);
         assert_eq!(TIMESTAMPS_DEFAULT, ui.show_timestamps.unwrap_or(true));
         assert_eq!(TIMELINE_DEFAULT, ui.show_timeline_enabled());
+        assert_eq!(PAGE_FLIP_ON_SEND_DEFAULT, ui.page_flip_on_send_enabled());
         assert_eq!(SIMPLE_MODE_DEFAULT, ui.simple_mode.unwrap_or(true));
         assert_eq!(VIM_MODE_DEFAULT, ui.vim_mode.unwrap_or(false));
         assert_eq!(
@@ -726,6 +757,18 @@ mod tests {
         .unwrap();
     }
 
+    #[test]
+    fn set_then_load_round_trips_page_flip_on_send() {
+        std::thread::spawn(|| {
+            set_page_flip_on_send(true);
+            assert!(load_page_flip_on_send());
+            set_page_flip_on_send(false);
+            assert!(!load_page_flip_on_send());
+        })
+        .join()
+        .unwrap();
+    }
+
     #[test]
     fn set_then_load_round_trips_simple_mode() {
         std::thread::spawn(|| {