feat: remove the post duplication feature (closes #10)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

crates/bds-ui/src/app.rs

@@ -3744,36 +3744,6 @@ impl BdsApp {
         Task::none()
     }
 
-    fn duplicate_post_editor(&mut self, post_id: &str) -> Task<Message> {
-        let Some(db) = &self.db else {
-            return Task::none();
-        };
-        let Some(data_dir) = &self.data_dir else {
-            return Task::none();
-        };
-        match engine::post::duplicate_post(db.conn(), data_dir, post_id) {
-            Ok(post) => {
-                let tab = Tab {
-                    id: post.id.clone(),
-                    title: post.title.clone(),
-                    tab_type: TabType::Post,
-                    is_transient: false,
-                    is_dirty: false,
-                };
-                let idx = tabs::open_tab(&mut self.tabs, tab);
-                self.active_tab = self.tabs.get(idx).map(|tab| tab.id.clone());
-                if let Some(tab) = self.tabs.get(idx).cloned() {
-                    self.load_editor_for_tab(&tab);
-                }
-                self.enforce_panel_tab_fallback();
-                self.sync_menu_state();
-                self.notify(ToastLevel::Success, &t(self.ui_locale, "editor.saved"));
-            }
-            Err(e) => self.notify_operation_failed("editor.duplicate", e),
-        }
-        Task::none()
-    }
-
     fn delete_media_editor(&mut self, media_id: &str) -> Task<Message> {
         let Some(db) = &self.db else {
             return Task::none();

crates/bds-ui/src/app/editor_handlers.rs

@@ -15,7 +15,6 @@ impl BdsApp {
             },
             Save(String),
             Publish(String),
-            Duplicate(String),
             Discard(String),
             ShowDelete {
                 tab_id: String,
@@ -169,9 +168,6 @@ impl BdsApp {
                 PostEditorMsg::Publish => {
                     deferred = DeferredPostAction::Publish(tab_id.clone());
                 }
-                PostEditorMsg::Duplicate => {
-                    deferred = DeferredPostAction::Duplicate(tab_id.clone());
-                }
                 PostEditorMsg::Discard => {
                     deferred = DeferredPostAction::Discard(tab_id.clone());
                 }
@@ -280,7 +276,6 @@ impl BdsApp {
             } => self.translate_post_to(&post_id, &target_language),
             DeferredPostAction::Save(tab_id) => self.save_post_editor(&tab_id),
             DeferredPostAction::Publish(tab_id) => self.publish_post_editor(&tab_id),
-            DeferredPostAction::Duplicate(tab_id) => self.duplicate_post_editor(&tab_id),
             DeferredPostAction::Discard(tab_id) => self.discard_post_editor(&tab_id),
             DeferredPostAction::ShowDelete { tab_id, name } => {
                 Task::done(Message::ShowModal(modal::ModalState::ConfirmDelete {

crates/bds-ui/src/views/post_editor.rs

@@ -347,7 +347,6 @@ pub enum PostEditorMsg {
     RemoveCategory(String),
     Save,
     Publish,
-    Duplicate,
     Discard,
     Delete,
     InsertLink,
@@ -412,19 +411,6 @@ pub fn view<'a>(
         .padding([6, 16])
         .into(),
     ];
-    if !on_translation {
-        header_action_items.push(
-            button(
-                text(t(locale, "editor.duplicate"))
-                    .size(13)
-                    .shaping(Shaping::Advanced),
-            )
-            .on_press(Message::PostEditor(PostEditorMsg::Duplicate))
-            .padding([6, 16])
-            .style(inputs::secondary_button)
-            .into(),
-        );
-    }
     if state.status == PostStatus::Draft {
         header_action_items.push(
             button(