refactor(no-ambient-authority): rename from ocap-discipline

Name the skill for what triggers it. Cite Wikipedia on capability-based
security and ambient authority, and point newcomers to awesome-ocap.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

io-between-turns/SKILL.md

@@ -47,7 +47,7 @@ paper.)
 
 ## see also
 
-- [ocap-discipline](../ocap-discipline/SKILL.md): who gets to do I/O at
+- [no-ambient-authority](../no-ambient-authority/SKILL.md): who gets to do I/O at
   all (authority passed in, not ambient); this skill is about *when*.
 - [silent-failures-are-evil](../silent-failures-are-evil/SKILL.md): an
   awaited I/O failure still needs a trace.