Address Copilot review comments

- Fix author metadata: make Tomu Hirata the single corresponding author
  and remove conflicting equal-contrib flag
- Fix NumPy citation: replace Unicode en-dash (–) with BibTeX format (--)
  for compatibility across citation pipelines

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: TomeHirata

paper.bib

@@ -32,7 +32,7 @@ @ARTICLE{2020NumPy-Array
   journal = {Nature},
   year    = {2020},
   volume  = {585},
-  pages   = {357–362},
+  pages   = {357--362},
   doi     = {10.1038/s41586-020-2649-2}
 }
 

paper.md

@@ -10,16 +10,13 @@ tags:
 authors:
   - name: Tomu Hirata
     orcid: 0009-0006-3140-291X
-    equal-contrib: true
+    corresponding: true
     affiliation: "1, 3"
   - name: Undral Byambadalai
-    corresponding: true
     affiliation: 1
   - name: Tatsushi Oka
-    corresponding: true
     affiliation: "1, 2"
   - name: Shota Yasui
-    corresponding: true
     affiliation: 1
 affiliations:
  - name: CyberAgent, Inc., Japan