Added sanity check baseline made by claude.

Also changed the location to a panel in VIEW_3D instead of menu.

checks/general/animation.py

@@ -0,0 +1,49 @@
+import bpy
+
+from ...core import Check, Issue, contexts, is_local
+
+_ANIMATABLE = [
+    "objects", "meshes", "curves", "armatures", "grease_pencils", "materials",
+    "node_groups", "shape_keys", "cameras", "lights", "worlds", "scenes",
+]
+
+
+def _animated_ids():
+    for collection_name in _ANIMATABLE:
+        for id_block in getattr(bpy.data, collection_name, ()):
+            if not is_local(id_block):
+                continue
+            ad = id_block.animation_data
+            if ad is not None and (ad.action is not None or len(ad.nla_tracks)):
+                yield id_block, ad
+
+
+class AnimationCheck(Check):
+    id = "animation"
+    label = "No animation"
+    description = "No action or NLA track is assigned (drivers are allowed)."
+    category = "Animation"
+    contexts = contexts.ASSET
+    fix_description = "Unassign actions and remove NLA tracks (drivers are kept)"
+
+    def run(self, ctx):
+        for id_block, ad in _animated_ids():
+            parts = []
+            if ad.action is not None:
+                parts.append(f"action '{ad.action.name}'")
+            if len(ad.nla_tracks):
+                parts.append(f"{len(ad.nla_tracks)} NLA track(s)")
+            name = id_block.user.name if isinstance(id_block, bpy.types.Key) else id_block.name
+            yield Issue.for_id(f"{name}: {', '.join(parts)}", id_block)
+
+    def fix(self, ctx, issues):
+        for issue in issues:
+            id_block = issue.get_id()
+            ad = id_block.animation_data if id_block is not None else None
+            if ad is None:
+                continue
+            ad.action = None
+            for track in list(ad.nla_tracks):
+                ad.nla_tracks.remove(track)
+            if not len(ad.drivers):
+                id_block.animation_data_clear()