fix: shorten animation notice and hide frame layout details

astrbot/core/pipeline/process_stage/method/agent_sub_stages/image_input.py

@@ -128,10 +128,9 @@ async def prepare_request_images(
             *req.extra_user_content_parts,
             TextPart(
                 text="<system_notice>\n"
-                "[Animated image] Each animated input (e.g. GIF) has been converted "
-                "into a frame montage: a single image containing a grid of frames "
-                "from the same animation. Read the frames left to right, then "
-                "top to bottom; unused cells are blank.\n"
+                "[Animated image] Each animation's frames are tiled into one image "
+                "in reading order. Respond as if viewing the animation; "
+                "do not mention the frame layout.\n"
                 "</system_notice>"
             ).mark_as_temp(),
         ]

tests/test_process_stage_images.py

@@ -355,7 +355,9 @@ async def test_animation_montage_notice_reaches_model(harness, tmp_path):
             assert notices[0]._no_save
             assert notices[0].text.startswith("<system_notice>\n")
             assert notices[0].text.endswith("\n</system_notice>")
-            assert "a single image containing a grid of frames" in notices[0].text
+            assert "frames are tiled into one image" in notices[0].text
+            assert "Respond as if viewing the animation" in notices[0].text
+            assert "do not mention the frame layout" in notices[0].text
 
 
 @pytest.mark.asyncio