docs(license): flag the earlier copyright-registration deadline

If the July and August 2026 pushes of the 1.1 code to the public Gitea count
as publication, the three-month window for statutory damages and fees closes
around 29 October to 1 November 2026, not January 2027.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/superpowers/specs/2026-10-19-license-design.md

@@ -102,8 +102,14 @@ does no harm.
   US$65), and exclude AI-generated material that is more than trivial.
   Registration is needed to sue and to keep a takedown in place after a
   counter-notice. Statutory damages and fees also depend on registering within
-  three months of publication. 1.2 and 1.3 were published on 18 and 19 October
+  three months of first publication.
-  2026, so that window closes around 18 January 2027.
+  - 1.2 and 1.3 reached AMO on 18 and 19 October 2026, so their window runs to
+    about 18 January 2027.
+  - The 1.1 code was pushed to the public Gitea in July and August 2026. If
+    those pushes count as publication, its window closes around 29 October to
+    1 November 2026. The old license's copy ban suggests they didn't, but that
+    reading is low confidence.
+  - So file by late October 2026 to be safe, and have an IP attorney confirm.
 - **Replace the Chrome repository's `LICENSE.txt`.** It still carries the old
   EULA and the public@zavage.net contact.
 - **Report clones** through Mozilla's infringement form or