♻️ remove silhouette — Nisse always render above world objects

Depth fixed at 900; isOccluded() and outlineSprite removed.
WorldSystem.hasResourceAt() stays as a useful utility.

src/systems/VillagerSystem.ts

@@ -15,9 +15,6 @@ const WORK_LOG_MAX = 20
 
 interface VillagerRuntime {
   sprite: Phaser.GameObjects.Image
-  /** White silhouette sprite rendered above all world objects so the Nisse is
-   *  always locatable even when occluded by trees or buildings. */
-  outlineSprite: Phaser.GameObjects.Image
   nameLabel: Phaser.GameObjects.Text
   energyBar: Phaser.GameObjects.Graphics
   jobIcon: Phaser.GameObjects.Text
@@ -121,15 +118,8 @@ export class VillagerSystem {
       case 'sleeping':this.tickSleeping(v, rt, delta);      break
     }
 
-    // Sync sprite to state position; depth is Y-based so Nisse sort correctly with world objects
-    const worldDepth = Math.floor(v.y / TILE_SIZE) + 5
-    rt.sprite.setPosition(v.x, v.y).setDepth(worldDepth)
-
-    // Show outline only when a world object below the Nisse would occlude them
-    const tileX = Math.floor(v.x / TILE_SIZE)
-    const tileY = Math.floor(v.y / TILE_SIZE)
-    const occluded = this.isOccluded(tileX, tileY)
-    rt.outlineSprite.setPosition(v.x, v.y).setFlipX(rt.sprite.flipX).setAngle(rt.sprite.angle).setVisible(occluded)
+    // Nisse always render above world objects
+    rt.sprite.setPosition(v.x, v.y)
 
     rt.nameLabel.setPosition(v.x, v.y - 22)
     rt.energyBar.setPosition(0, 0)
@@ -586,18 +576,9 @@ export class VillagerSystem {
    * @param v - Villager state to create sprites for
    */
   private spawnSprite(v: VillagerState): void {
-    // Silhouette: same texture, white fill, fixed high depth so it shows through
-    // trees and buildings. Visibility is toggled per frame by isOccluded().
-    const outlineSprite = this.scene.add.image(v.x, v.y, 'villager')
-      .setScale(1.15)
-      .setTintFill(0xaaddff)
-      .setAlpha(0.85)
-      .setDepth(900)
-      .setVisible(false)
-
-    // Main sprite depth is updated every frame based on Y position.
+    // Nisse always render above trees, buildings and other world objects.
     const sprite = this.scene.add.image(v.x, v.y, 'villager')
-      .setDepth(Math.floor(v.y / TILE_SIZE) + 5)
+      .setDepth(900)
 
     const nameLabel = this.scene.add.text(v.x, v.y - 22, v.name, {
       fontSize: '8px', color: '#ffffff', fontFamily: 'monospace',
@@ -610,7 +591,7 @@ export class VillagerSystem {
     sprite.setInteractive()
     sprite.on('pointerdown', () => this.onNisseClick?.(v.id))
 
-    this.runtime.set(v.id, { sprite, outlineSprite, nameLabel, energyBar, jobIcon, path: [], destination: null, workTimer: 0, idleScanTimer: 0, workLog: [] })
+    this.runtime.set(v.id, { sprite, nameLabel, energyBar, jobIcon, path: [], destination: null, workTimer: 0, idleScanTimer: 0, workLog: [] })
   }
 
   /**
@@ -644,30 +625,6 @@ export class VillagerSystem {
     if (rt.workLog.length > WORK_LOG_MAX) rt.workLog.length = WORK_LOG_MAX
   }
 
-  // ─── Occlusion check ──────────────────────────────────────────────────────
-
-  /**
-   * Returns true if a world object (tree, rock, or building) with a higher tileY
-   * exists in the vicinity of the Nisse and would visually occlude them.
-   * Checks a 3-column × 4-row window below the Nisse's tile to account for
-   * wide tree canopies that extend above and to the sides of the trunk tile.
-   * @param tileX - Nisse's current tile column
-   * @param tileY - Nisse's current tile row
-   */
-  private isOccluded(tileX: number, tileY: number): boolean {
-    const state = stateManager.getState()
-    const buildings = Object.values(state.world.buildings)
-    for (let dx = -1; dx <= 1; dx++) {
-      for (let dy = 1; dy <= 4; dy++) {
-        const cx = tileX + dx
-        const cy = tileY + dy
-        if (this.worldSystem.hasResourceAt(cx, cy)) return true
-        if (buildings.some(b => b.tileX === cx && b.tileY === cy && b.kind !== 'stockpile_zone')) return true
-      }
-    }
-    return false
-  }
-
   // ─── Public API ───────────────────────────────────────────────────────────
 
   /**
@@ -726,10 +683,14 @@ export class VillagerSystem {
    * Destroys all Nisse sprites and clears the runtime map.
    * Should be called when the scene shuts down.
    */
+  /**
+   * Destroys all Nisse sprites and clears the runtime map.
+   * Should be called when the scene shuts down.
+   */
   destroy(): void {
     for (const rt of this.runtime.values()) {
-      rt.sprite.destroy(); rt.outlineSprite.destroy()
-      rt.nameLabel.destroy(); rt.energyBar.destroy(); rt.jobIcon.destroy()
+      rt.sprite.destroy(); rt.nameLabel.destroy()
+      rt.energyBar.destroy(); rt.jobIcon.destroy()
     }
     this.runtime.clear()
   }