Tutorial: Crookfinger leads a new master through the first steps

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/menu.rs

@@ -301,6 +301,7 @@ enum Btn {
     MatchChat,
     Bestiary,
     Achievements,
+    Tutorial,
     BestTab(usize),
     BestSel(i32),
     BestPick(usize),
@@ -392,6 +393,7 @@ pub enum MenuAction {
     CampaignStart(usize),
     OpenRepo,
     OpenClaudeCode,
+    Tutorial, // start the tutorial mission
     BackToEditor,
     OpenOpenCode,
     Login(String, String),
@@ -875,6 +877,7 @@ impl Menu {
                 Some(s) if s.side != 0 => MenuAction::MatchSetAi(s.side, !s.ai),
                 _ => MenuAction::Consumed,
             },
+            Some(Btn::Tutorial) => MenuAction::Tutorial,
             Some(Btn::Campaign) => {
                 self.page = Some(Page::Campaign);
                 self.scroll = 0;
@@ -1104,6 +1107,7 @@ impl Menu {
             items.push((Btn::Continue, tr("menu.continue")));
         }
         items.push((Btn::Campaign, tr("menu.campaign")));
+        items.push((Btn::Tutorial, tr("menu.tutorial")));
         items.push((Btn::CampaignEditor, tr("menu.campaign_editor")));
         items.push((Btn::Match, tr("menu.multiplayer")));
         items.push((Btn::New, tr("menu.new")));