usability: drop task_categories; add CITATION.cff (Qi Li); reconciled manifest

CITATION.cff

@@ -0,0 +1,31 @@
+cff-version: 1.2.0
+message: "If you use PHM-Vibench in your research, please cite this dataset. Please also cite the original source dataset(s) you use (listed in README under each RM_* entry)."
+title: "PHM-Vibench: A Vibration Signal Benchmark Dataset for Mechanical Fault Diagnosis and Prognostics"
+type: dataset
+version: "2026.07.09"
+release-date: "2026-07-09"
+license: Apache-2.0
+keywords:
+  - vibration
+  - fault-diagnosis
+  - prognostics
+  - PHM
+  - bearing-fault-diagnosis
+repository-code: "https://www.modelscope.cn/datasets/PHMbench/PHM-Vibench"
+url:
+  - "https://www.modelscope.cn/datasets/PHMbench/PHM-Vibench"
+  - "https://huggingface.co/datasets/PHMbench/PHM-Vibench"
+preferred-citation:
+  type: dataset
+  title: "PHM-Vibench: A Vibration Signal Benchmark Dataset for Mechanical Fault Diagnosis and Prognostics"
+  authors:
+    - given-names: "Qi"
+      family-names: "Li"
+      website: "https://liq22.github.io/"
+  year: 2026
+  repository: "https://www.modelscope.cn/datasets/PHMbench/PHM-Vibench"
+  license: Apache-2.0
+authors:
+  - given-names: "Qi"
+    family-names: "Li"
+    website: "https://liq22.github.io/"