diff --git a/src/lib/components/PetSprite.svelte b/src/lib/components/PetSprite.svelte
deleted file mode 100644
index 18a82b8..0000000
--- a/src/lib/components/PetSprite.svelte
+++ /dev/null
@@ -1,16 +0,0 @@
-<script lang="ts">
-  export let spriteSheetUrl: string;
-  export let spriteX: number;
-  export let spriteY: number;
-  export let size = 32;
-</script>
-
-<div
-  class="pixelated"
-  style="
-    width: {size}px;
-    height: {size}px;
-    background-image: url('{spriteSheetUrl}');
-    background-position: {spriteX}px {spriteY}px;
-  "
-></div>
diff --git a/src/lib/composables/usePetState.ts b/src/lib/composables/usePetState.ts
deleted file mode 100644
index 5b91bd9..0000000
--- a/src/lib/composables/usePetState.ts
+++ /dev/null
@@ -1,148 +0,0 @@
-import { writable, get } from "svelte/store";
-import { SPRITE_SETS, SPRITE_SIZE, PET_SPEED } from "../constants/pet-sprites";
-
-export function usePetState(initialX = 32, initialY = 32) {
-  const position = writable({ x: initialX, y: initialY });
-  const currentSprite = writable({ x: -3, y: -3 });
-
-  // Internal state not exposed directly
-  let frameCount = 0;
-  let idleTime = 0;
-  let idleAnimation: string | null = null;
-  let idleAnimationFrame = 0;
-
-  function setSprite(name: string, frame: number) {
-    const sprites = SPRITE_SETS[name];
-    if (!sprites) return;
-    const sprite = sprites[frame % sprites.length];
-    currentSprite.set({
-      x: sprite[0] * SPRITE_SIZE,
-      y: sprite[1] * SPRITE_SIZE,
-    });
-  }
-
-  function resetIdleAnimation() {
-    idleAnimation = null;
-    idleAnimationFrame = 0;
-  }
-
-  function handleIdle(windowWidth: number, windowHeight: number) {
-    idleTime += 1;
-    const currentPos = get(position);
-
-    // every ~ 20 seconds (idleTime increments every frame, with ~10 frames/second, so ~200 frames)
-    if (
-      idleTime > 10 &&
-      Math.floor(Math.random() * 200) == 0 &&
-      idleAnimation == null
-    ) {
-      let availableIdleAnimations = ["sleeping", "scratchSelf"];
-      if (currentPos.x < 32) {
-        availableIdleAnimations.push("scratchWallW");
-      }
-      if (currentPos.y < 32) {
-        availableIdleAnimations.push("scratchWallN");
-      }
-      if (currentPos.x > windowWidth - 32) {
-        availableIdleAnimations.push("scratchWallE");
-      }
-      if (currentPos.y > windowHeight - 32) {
-        availableIdleAnimations.push("scratchWallS");
-      }
-      idleAnimation =
-        availableIdleAnimations[
-          Math.floor(Math.random() * availableIdleAnimations.length)
-        ];
-    }
-
-    if (!idleAnimation) {
-      setSprite("idle", 0);
-      return;
-    }
-
-    switch (idleAnimation) {
-      case "sleeping":
-        if (idleAnimationFrame < 8) {
-          setSprite("tired", 0);
-          break;
-        }
-        setSprite("sleeping", Math.floor(idleAnimationFrame / 4));
-        if (idleAnimationFrame > 192) {
-          resetIdleAnimation();
-        }
-        break;
-      case "scratchWallN":
-      case "scratchWallS":
-      case "scratchWallE":
-      case "scratchWallW":
-      case "scratchSelf":
-        setSprite(idleAnimation, idleAnimationFrame);
-        if (idleAnimationFrame > 9) {
-          resetIdleAnimation();
-        }
-        break;
-      default:
-        setSprite("idle", 0);
-        return;
-    }
-    idleAnimationFrame += 1;
-  }
-
-  function updatePosition(
-    targetX: number,
-    targetY: number,
-    windowWidth: number,
-    windowHeight: number,
-  ) {
-    frameCount += 1;
-    const currentPos = get(position);
-
-    const diffX = currentPos.x - targetX;
-    const diffY = currentPos.y - targetY;
-    const distance = Math.sqrt(diffX ** 2 + diffY ** 2);
-
-    // If close enough, stop moving and idle
-    if (distance < PET_SPEED || distance < 48) {
-      handleIdle(windowWidth, windowHeight);
-      return;
-    }
-
-    // Alert behavior: pause briefly before moving if we were idling
-    if (idleTime > 1) {
-      setSprite("alert", 0);
-      idleTime = Math.min(idleTime, 7);
-      idleTime -= 1;
-      return;
-    }
-
-    idleTime = 0;
-    idleAnimation = null;
-    idleAnimationFrame = 0;
-
-    // Calculate direction
-    let direction = "";
-    direction = diffY / distance > 0.5 ? "N" : "";
-    direction += diffY / distance < -0.5 ? "S" : "";
-    direction += diffX / distance > 0.5 ? "W" : "";
-    direction += diffX / distance < -0.5 ? "E" : "";
-
-    // Fallback if direction is empty
-    if (direction === "") direction = "idle";
-
-    setSprite(direction, frameCount);
-
-    // Move towards target
-    position.update((p) => ({
-      x: p.x - (diffX / distance) * PET_SPEED,
-      y: p.y - (diffY / distance) * PET_SPEED,
-    }));
-  }
-
-  return {
-    position,
-    currentSprite,
-    updatePosition,
-    // Helper to force position if needed (e.g. on mount)
-    setPosition: (x: number, y: number) => position.set({ x, y }),
-  };
-}
diff --git a/src/lib/constants/interaction.ts b/src/lib/constants/interaction.ts
deleted file mode 100644
index 53c6d2c..0000000
--- a/src/lib/constants/interaction.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export const INTERACTION_TYPE_HEADPAT = "headpat";
-export const INTERACTION_TYPE_TEXT = "text";
diff --git a/src/lib/constants/pet-sprites.ts b/src/lib/constants/pet-sprites.ts
deleted file mode 100644
index 2c751fb..0000000
--- a/src/lib/constants/pet-sprites.ts
+++ /dev/null
@@ -1,69 +0,0 @@
-export type SpriteCoordinates = [number, number];
-export type SpriteSet = Record<string, SpriteCoordinates[]>;
-
-export const SPRITE_SETS: SpriteSet = {
-  idle: [[-3, -3]],
-  alert: [[-7, -3]],
-  scratchSelf: [
-    [-5, 0],
-    [-6, 0],
-    [-7, 0],
-  ],
-  scratchWallN: [
-    [0, 0],
-    [0, -1],
-  ],
-  scratchWallS: [
-    [-7, -1],
-    [-6, -2],
-  ],
-  scratchWallE: [
-    [-2, -2],
-    [-2, -3],
-  ],
-  scratchWallW: [
-    [-4, 0],
-    [-4, -1],
-  ],
-  tired: [[-3, -2]],
-  sleeping: [
-    [-2, 0],
-    [-2, -1],
-  ],
-  N: [
-    [-1, -2],
-    [-1, -3],
-  ],
-  NE: [
-    [0, -2],
-    [0, -3],
-  ],
-  E: [
-    [-3, 0],
-    [-3, -1],
-  ],
-  SE: [
-    [-5, -1],
-    [-5, -2],
-  ],
-  S: [
-    [-6, -3],
-    [-7, -2],
-  ],
-  SW: [
-    [-5, -3],
-    [-6, -1],
-  ],
-  W: [
-    [-4, -2],
-    [-4, -3],
-  ],
-  NW: [
-    [-1, 0],
-    [-1, -1],
-  ],
-};
-
-export const SPRITE_SIZE = 32;
-export const PET_SPEED = 10;
-export const ANIMATION_FRAME_RATE = 100; // ms