Move neutral join/leave handlers into GmRelay.Shared so Telegram and Discord share capacity, waitlist, duplicate-click, and schedule-update behavior.
Add Discord component routing for join_session and leave_session buttons with deferred ephemeral replies and serialized schedule message updates.
Bump version to 2.5.0 and update Discord docs.
Refs #29
- DiscordPermissionChecker: removed dead-code userRoles overload;
now only uses resolvedPermissions bitflag (Administrator = 0x8).
- DiscordNewSessionCommand: computes resolved permissions from guild
user roles via Context.Guild.Users[Id].RoleIds + guild.Roles.
- DiscordNewSessionHandler: updated signature to accept ulong
resolvedPermissions instead of unused userRoles.
- Added ILogger to command for diagnostics on unexpected errors.
- Added test: regular user with ManageServer (but not Admin) is rejected.
Refs issue #28
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>