\ Phase 28 Session 5: Rivers & Lakes Complete - RiverSystem + LakeSystem with biome-aware water rendering"

src/systems/Flat2DTerrainSystem.js

@@ -414,6 +414,34 @@ class Flat2DTerrainSystem {
 
             tilesRendered++;
 
+            // 🌊 PHASE 28 SESSION 5: Check for water (rivers & lakes)
+            let isWater = false;
+
+            // Rivers
+            if (this.riverSystem && this.riverSystem.isRiver(x, y)) {
+                const riverColor = this.riverSystem.getRiverColor(x, y);
+                const waterRect = this.scene.add.rectangle(worldX, worldY, size, size, riverColor, 0.75);
+                waterRect.setOrigin(0, 0);
+                waterRect.setDepth(2);
+                chunk.sprites.push(waterRect);
+                isWater = true;
+            }
+
+            // Lakes (only if not already river)
+            if (!isWater && this.lakeSystem && this.lakeSystem.isLake(x, y)) {
+                const lakeColor = this.lakeSystem.getLakeColor(x, y);
+                const waterRect = this.scene.add.rectangle(worldX, worldY, size, size, lakeColor, 0.75);
+                waterRect.setOrigin(0, 0);
+                waterRect.setDepth(2);
+                chunk.sprites.push(waterRect);
+                isWater = true;
+            }
+
+            // Skip features if water tile
+            if (isWater) {
+                continue; // Skip to next tile
+            }
+
             // 🌈 Apply mixed features for transitions
             let features = [];