Tighten prompt_template_source.notes: explicit 5-tier classification per 2026-06-01 priority rules

metadata.json

@@ -61,7 +61,7 @@
       "prompt_template_source": {
         "origin": "official",
         "reference": "https://github.com/open-compass/VLMEvalKit/blob/main/vlmeval/dataset/image_mcq.py#L212-L247 (ImageMCQDataset.build_prompt)",
-        "notes": "VLMEvalKit canonical MCQ template (byte-for-byte)"
+        "notes": "Tier 3: VLMEvalKit canonical MCQ template (byte-for-byte)"
       }
     },
     "cn": {
@@ -124,7 +124,7 @@
       "prompt_template_source": {
         "origin": "official",
         "reference": "https://github.com/open-compass/VLMEvalKit/blob/main/vlmeval/dataset/image_mcq.py#L212-L247 (ImageMCQDataset.build_prompt)",
-        "notes": "VLMEvalKit canonical MCQ template (byte-for-byte); English wrapper preserved for Chinese subset per VLMEvalKit convention"
+        "notes": "Tier 3: VLMEvalKit canonical MCQ template (byte-for-byte); English wrapper preserved for Chinese subset per VLMEvalKit convention"
       }
     },
     "en": {
@@ -187,7 +187,7 @@
       "prompt_template_source": {
         "origin": "official",
         "reference": "https://github.com/open-compass/VLMEvalKit/blob/main/vlmeval/dataset/image_mcq.py#L212-L247 (ImageMCQDataset.build_prompt)",
-        "notes": "VLMEvalKit canonical MCQ template (byte-for-byte)"
+        "notes": "Tier 3: VLMEvalKit canonical MCQ template (byte-for-byte)"
       }
     }
   }