board: regenerate entries index after rebase onto #1311

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01X1YcYMRSFvfczXoP748wtB

Author: claude

.claude/board/entries/README.md

@@ -25,7 +25,7 @@ index row, (3) no duplicate entry id. Checks 1 and 2 are deliberately
 opposite directions; the stranding this convention prevents shows up in
 exactly one of them, never both.
 
-185 entries, 2026-08-06 .. 2026-10-03.
+187 entries, 2026-08-06 .. 2026-10-03.
 
 | date | entry id | finding | file |
 |---|---|---|---|