Merge S10 (a1): public ledger profiles v1

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

# Conflicts:
#	BUILD-STATE.md
#	CLAUDE.md

src/app.js

@@ -165,6 +165,9 @@ app.use('/api/team', require('./routes/team'));
 // (settled snapshot grades vs real results). Public, cache-only.
 app.use('/api/accuracy', require('./routes/accuracy'));
 app.use('/api/ledger', require('./routes/ledger'));
+// A1 Session 10 — public ledger profiles: claim a handle, one explicit
+// publish toggle, and the ENTIRE settled record on a public page.
+app.use('/api/profiles', require('./routes/profiles'));
 const gameLinesRoutes = require('./routes/gameLines');
 app.use('/api/gamelines', gameLinesRoutes);
 const streaksRoutes = require('./routes/streaks');