feat(dees-geo-map): Highlight current navigation step with progress, mark completed steps, auto-scroll turn-by-turn list, expose guidance state for synchronization, and refine instruction/voice wording

ts_web/elements/00group-map/dees-geo-map/dees-geo-map.ts

@@ -348,6 +348,8 @@ export class DeesGeoMap extends DeesElement {
         this.showTraffic = enabled;
       },
       getTrafficEnabled: () => this.showTraffic,
+      // Pass guidance state for turn-by-turn synchronization
+      getGuidanceState: () => this.guidanceController?.state ?? null,
     });
     this.navigationController.navigationMode = this.navigationMode;
 
@@ -375,6 +377,11 @@ export class DeesGeoMap extends DeesElement {
             bubbles: true,
             composed: true,
           }));
+
+          // Auto-scroll turn-by-turn list when step changes
+          if (event.type === 'step-change' && this.navigationController) {
+            this.navigationController.scrollToCurrentStep(event.stepIndex);
+          }
         },
         onRequestUpdate: () => this.requestUpdate(),
         getMap: () => this.map,