Player accounts frontend + Swagger + schema comment fix

- Player portal: RequirePlayer guard, /account routes (login, register,
  settings) with shared PlayerShell; register reads /public/settings derived
  flags; AuthContext.register; api.register + api.player.* namespace.
- Admin UI: player role + status/email + reset-password hint in UserEditor,
  status column + badge-player in UsersAdmin, player_registration select in
  SettingsAdmin; 'disabled' SSO error copy.
- Swagger: Player tag + RegisterRequest/ChangeUsername/ChangePassword/
  PlayerAccount/OkFlag schemas; regenerated swagger-output.json.
- Fix: remove a semicolon from a schema.sql inline comment that broke the
  statement splitter in ensureSchema.

Verified against the live dev DB: schema migrations apply (player enum,
nullable password_hash, email/status/last_login_ip, seeded setting); 21-check
controller smoke (register gating, dup/reserved, null-hash rules, self change
username/password with session re-issue surviving the cutoff, SSO-only initial
password, banned-login refusal); case-insensitive uniqueness; public settings
expose only derived registration flags. Client builds; 133 server tests green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019rao86n5cXpwAyjdBFEshV

client/src/api/client.js

@@ -44,6 +44,10 @@ export const api = {
   // `extra` carries the honeypot field (and any future login fields).
   login: (username, password, extra = {}) =>
     req('/auth/login', { method: 'POST', body: { username, password, ...extra } }),
+  // Public self-registration (player accounts). `extra` carries the honeypot +
+  // optional email. Returns { user } and sets the session cookie on success.
+  register: (username, password, extra = {}) =>
+    req('/auth/register', { method: 'POST', body: { username, password, ...extra } }),
   loginTotp: (challenge, code) =>
     req('/auth/login/totp', { method: 'POST', body: { challenge, code } }),
   // Second factor for an SSO login (challenge is held in an httpOnly cookie set by
@@ -186,6 +190,22 @@ export const api = {
     getDiscordBotConfig: () => req('/admin/discord-bot/config'),
     saveDiscordBotConfig: (data) => req('/admin/discord-bot/config', { method: 'PUT', body: data }),
   },
+
+  // ----- player self-service (role: 'player') -----
+  // Mirrors the admin account methods but self-scoped under /player. The change
+  // endpoints re-issue the session cookie server-side, so the caller stays signed in.
+  player: {
+    getAccount: () => req('/player/account'),
+    changeUsername: (username) =>
+      req('/player/account/username', { method: 'PATCH', body: { username } }),
+    changePassword: (newPassword, currentPassword) =>
+      req('/player/account/password', { method: 'PATCH', body: { newPassword, currentPassword } }),
+    totpSetup: () => req('/player/account/totp/setup', { method: 'POST' }),
+    totpEnable: (code) => req('/player/account/totp/enable', { method: 'POST', body: { code } }),
+    totpDisable: (code) => req('/player/account/totp/disable', { method: 'POST', body: { code } }),
+    linkedIdentities: () => req('/player/account/identities'),
+    unlinkIdentity: (provider) => req(`/player/account/identities/${provider}`, { method: 'DELETE' }),
+  },
 }
 
 export { ApiError }