Add: backend testing script for new states

scripts/random_backend_tester.py

@@ -18,6 +18,27 @@ from typing import Any
 from urllib.error import HTTPError, URLError
 from urllib.request import Request, urlopen
 
+ANIMATION_NAMES = (
+    "idle",
+    "happy",
+    "love",
+    "excited",
+    "celebrate",
+    "sleepy",
+    "snoring",
+    "working",
+    "angry",
+    "surprised",
+    "shy",
+    "dragging",
+    # Backward-compatible aliases mapped in runtime/manifests.
+    "active",
+    "success",
+    "error",
+    # Intentionally invalid to keep unknown-animation traffic coverage.
+    "unknown_anim",
+)
+
 
 def parse_args() -> argparse.Namespace:
     parser = argparse.ArgumentParser(
@@ -205,9 +226,7 @@ def random_valid_command(rng: random.Random) -> dict[str, Any]:
 
     if pick == "play_animation":
         payload = {
-            "name": rng.choice(
-                ["idle", "dance", "typing", "celebrate", "error", "unknown_anim"]
-            ),
+            "name": rng.choice(ANIMATION_NAMES),
             "priority": rng.randint(0, 10),
             "duration_ms": rng.choice([None, 250, 500, 1000, 3000]),
             "interrupt": rng.choice([None, True, False]),