Implement action-needed queue bar at bottom of screen with oldest-first ordering and dismissal

config/action_needed.yaml

@@ -0,0 +1,23 @@
+# Configuration for the Action Needed Queue (Bottom HUD notification bar)
+action_needed:
+  enabled: true
+  track_idle_units: true
+  track_city_no_production: true
+  track_city_free_population: true
+  max_visible_items: 8
+
+  # Visual & Layout parameters
+  item_width: 155
+  item_height: 42
+  bottom_offset: 16
+  item_spacing: 8
+  border_radius: 6
+  pulse_animation: true
+  pulse_speed: 3.0
+
+  # Colors
+  unit_idle_color: "#3CA0FF"
+  city_no_prod_color: "#FFA028"
+  city_free_pop_color: "#46DC82"
+  card_bg_color: "#121822"
+  card_bg_alpha: 235

config/strings_en.yaml

@@ -180,3 +180,13 @@ ui:
     kennis: "Science"
     cultuur: "Culture"
     geloof: "Faith"
+
+  action_needed:
+    header_title: "ACTIONS"
+    header_tip: "Queue of items awaiting action (oldest first). Left-click to focus, Right-click to dismiss."
+    unit_idle_desc: "Needs orders"
+    city_no_production_desc: "No production"
+    city_free_pop_desc: "+%1 Free Pop"
+    dismiss_tip: "Right-click to dismiss"
+    more_items: "+%1"
+