- secondary rename-bot token was set as RENAME_TOKEN in .env but utils/renamer.js reads RENAMER_BOT; silently no-op'd every rename (host .env renamed separately)
- services/tickets.js canRename gutted to an always-ok shim; Mongo 2/10min per-channel gate is redundant since renames flow through RENAMER_BOT's own bucket. Ticket.renameCount / renameWindowStart remain as orphan fields (no migration)
- handlers/buttons.js + commands.js: drop the four "Channel renamed too quickly" else-branches and the rename-countdown label suffix; replace .catch(() => {}) with .catch(err => logError('rename', err)...)
- services/channelQueue.js: executeRename falls back to channel.setName(currentName) when renamer throws err.fallback === true (401/403/429); classifies non-fallback errors as renameQueue:token/permission (401/403) or renameQueue:secondary-bot ratelimited (429)
- utils/renamer.js: on 401/403 throw err.fallback=true immediately; on 429 respect retry_after up to 2000ms then throw err.fallback=true
- docs: align CLAUDE.md, docs/api/DISCORD_API_VALIDATION.md, docs/architecture/CRITICAL_FILES_AND_HOW_IT_WORKS.md
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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