refactor(zellij): improve session/layout handling

lib/zellij.sh

@@ -17,26 +17,38 @@ write_zellij_config ~/.config/zellij/config.kdl
 
 cat >~/.config/zellij/layouts/arduino.kdl <<'LAYOUT'
 layout {
-    tab name="code" focus=true {
-        pane split_direction="vertical" {
-            pane size="65%" {
-                command "nvim"
-                args "."
-            }
-            pane split_direction="horizontal" {
-                pane size="60%" name="terminal"
-                pane size="40%" name="serial" {
-                    command "bash"
-                    args "-c" "echo '⚡ Serial — run: tio /dev/ttyUSB0 -b 115200'"
-                }
+  tab name="code" focus=true {
+    pane split_direction="vertical" {
+      pane size=1 borderless=true {
+        plugin location="tab-bar"
+      }
+        pane size="65%" {
+            command "nvim"
+            args "."
+        }
+        pane split_direction="horizontal" {
+            pane size="60%" name="terminal"
+            pane size="40%" name="serial" {
+                command "bash"
+                args "-c" "echo '⚡ Serial — run: tio /dev/ttyUSB0 -b 115200'"
             }
         }
     }
-    tab name="git" {
-        pane {
-            command "lazygit"
-        }
+    pane size=1 borderless=true {
+      plugin location="status-bar"
     }
+  }
+  tab name="git" {
+    pane size=1 borderless=true {
+      plugin location="tab-bar"
+    }
+    pane {
+      command "lazygit"
+    }
+    pane size=1 borderless=true {
+      plugin location="status-bar"
+    }
+  }
 }
 LAYOUT
 info "Zellij configured with $THEME_DISPLAY_NAME + Arduino layout"