fix: correct author name in CITATION.cff

Changed from "Hyper Polymath" to "Jonathan D.A. Jewell"
with alias "hyperpolymath"

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

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

Author: Jonathan D.A. Jewell

CITATION.cff

@@ -7,8 +7,9 @@ title: "valence-shell"
 message: "If you use this software, please cite it as below."
 type: software
 authors:
-  - family-names: "Polymath"
-    given-names: "Hyper"
+  - family-names: "Jewell"
+    given-names: "Jonathan D.A."
+    alias: "hyperpolymath"
     email: "hyperpolymath@proton.me"
     affiliation: "Rhodium Standard / Independent Researcher"
 repository-code: "https://github.com/hyperpolymath/valence-shell"