Feat: add hidden mode and new documentation

src/app/dispatch.rs

@@ -3,6 +3,7 @@
 use crate::commands::AppCommand;
 use crate::engine::{LinkState, SequencerSnapshot};
 use crate::model::bp_label;
+use crate::page::Page;
 use crate::services::{dict_nav, euclidean, help_nav, pattern_editor};
 use crate::state::{undo::UndoEntry, FlashKind, Modal, StagedPropChange};
 
@@ -215,23 +216,33 @@ impl App {
 
             // Page navigation
             AppCommand::PageLeft => {
+                self.auto_save_script_on_leave();
                 self.page.left();
+                self.auto_load_script_on_arrive();
                 self.maybe_show_onboarding();
             }
             AppCommand::PageRight => {
+                self.auto_save_script_on_leave();
                 self.page.right();
+                self.auto_load_script_on_arrive();
                 self.maybe_show_onboarding();
             }
             AppCommand::PageUp => {
+                self.auto_save_script_on_leave();
                 self.page.up();
+                self.auto_load_script_on_arrive();
                 self.maybe_show_onboarding();
             }
             AppCommand::PageDown => {
+                self.auto_save_script_on_leave();
                 self.page.down();
+                self.auto_load_script_on_arrive();
                 self.maybe_show_onboarding();
             }
             AppCommand::GoToPage(page) => {
+                self.auto_save_script_on_leave();
                 self.page = page;
+                self.auto_load_script_on_arrive();
                 self.maybe_show_onboarding();
             }
 
@@ -464,6 +475,35 @@ impl App {
             AppCommand::SavePrelude => self.save_prelude(),
             AppCommand::EvaluatePrelude => self.evaluate_prelude(link),
             AppCommand::ClosePreludeEditor => self.close_prelude_editor(),
+
+            // Periodic script
+            AppCommand::OpenScriptModal(field) => self.open_script_modal(field),
+            AppCommand::SetScriptSpeed(speed) => {
+                self.project_state.project.script_speed = speed;
+                self.script_editor.dirty = true;
+            }
+            AppCommand::SetScriptLength(len) => {
+                self.project_state.project.script_length = len.clamp(1, 256);
+                self.script_editor.dirty = true;
+            }
+            AppCommand::ScriptSave => self.save_script_from_editor(),
+            AppCommand::ScriptEvaluate => self.evaluate_script_page(link),
+            AppCommand::ToggleScriptStack => {
+                self.script_editor.show_stack = !self.script_editor.show_stack;
+            }
+        }
+    }
+
+    fn auto_save_script_on_leave(&mut self) {
+        if self.page == Page::Script {
+            self.save_script_from_editor();
+            self.script_editor.focused = false;
+        }
+    }
+
+    fn auto_load_script_on_arrive(&mut self) {
+        if self.page == Page::Script {
+            self.load_script_to_editor();
         }
     }
 }