strip: remove pattern/surge/chat alert monitoring + unused commands

- delete services/{patternChecker,patternStore,surgeChecker,chatAlertChecker,staffNotifications,staffChannel,notificationRegistry,notificationEnabled,staffPresence}.js
- remove /notification, /staffnotification, /tag, /priority
- /escalate: drop action param, always unclaim
- purge PATTERN_*, SURGE_*, CHAT_ALERT_*, STAFF_* env vars from config + .env.example
- drop StaffNotification model
- ~2500 LOC removed
- settings-site /internal/notifications/* endpoints gone (UI will 404 until trimmed)

services/configSchema.js

@@ -27,17 +27,12 @@ const ALLOWED_CONFIG_KEYS = new Set([
   'EMAIL_ESCALATED3_CHANNEL_ID', 'DISCORD_ESCALATED3_CHANNEL_ID',
   // Roles and staff
   'ROLE_ID_TO_PING', 'ROLE_TO_PING_ID', 'ADDITIONAL_STAFF_ROLES', 'BLACKLISTED_ROLES',
-  'STAFF_IDS', 'ADMIN_ID', 'STAFF_EMOJIS', 'CLAIMER_EMOJI_FALLBACK',
+  'ADMIN_ID',
   // Channel IDs
   'TRANSCRIPT_CHANNEL_ID', 'LOGGING_CHANNEL_ID', 'DEBUGGING_CHANNEL_ID',
   'BACKUP_EXPORT_CHANNEL_ID', 'ACCOUNT_INFO_CHANNEL_ID', 'DISCORD_CHANNEL_ID',
   'GMAIL_LOG_CHANNEL_ID', 'AUTOMATION_LOG_CHANNEL_ID', 'RENAME_LOG_CHANNEL_ID',
   'SECURITY_LOG_CHANNEL_ID', 'SYSTEM_LOG_CHANNEL_ID',
-  'ALL_STAFF_CHANNEL_ID', 'ALL_STAFF_CHAT_ALERT_CHANNEL_ID',
-  'STAFF_NOTIFICATION_CATEGORY_ID',
-  // Pattern channel IDs
-  'USER_PATTERNS_CHANNEL_ID', 'GAME_PATTERNS_CHANNEL_ID', 'TAG_PATTERNS_CHANNEL_ID',
-  'ESCALATION_PATTERNS_CHANNEL_ID', 'STAFF_PATTERNS_CHANNEL_ID', 'COMBINED_PATTERNS_CHANNEL_ID',
   // Messages and labels
   'ESCALATION_MESSAGE', 'TICKET_CLOSE_SUBJECT_PREFIX', 'TICKET_CLOSE_MESSAGE', 'TICKET_CLOSE_SIGNATURE',
   'DISCORD_CLOSE_MESSAGE', 'DISCORD_TRANSCRIPT_MESSAGE', 'DISCORD_AUTO_CLOSE_MESSAGE',
@@ -48,36 +43,17 @@ const ALLOWED_CONFIG_KEYS = new Set([
   'LOGO_URL', 'SUPPORT_NAME', 'EMAIL_SIGNATURE', 'GAME_LIST',
   // Toggles
   'AUTO_CLOSE_ENABLED', 'AUTO_CLOSE_AFTER_HOURS', 'AUTO_UNCLAIM_ENABLED', 'AUTO_UNCLAIM_AFTER_HOURS',
-  'CLAIM_TIMEOUT_ENABLED', 'CLAIM_TIMEOUT_HOURS', 'ALLOW_CLAIM_OVERWRITE',
+  'ALLOW_CLAIM_OVERWRITE',
   'REMINDER_ENABLED', 'REMINDER_AFTER_HOURS', 'PRIORITY_ENABLED', 'DEFAULT_PRIORITY',
   'STAFF_THREAD_ENABLED', 'STAFF_THREAD_NAME', 'STAFF_THREAD_AUTO_ADD_ROLE', 'STAFF_THREAD_ROLE_ID',
   'PIN_INITIAL_MESSAGE_ENABLED', 'PIN_ESCALATION_MESSAGE_ENABLED', 'PIN_SUPPRESS_SYSTEM_MESSAGE',
-  'STAFF_DND_COUNTS_AS_AVAILABLE',
   // Limits and thresholds
   'GLOBAL_TICKET_LIMIT', 'TICKET_LIMIT_PER_CATEGORY',
   'RATE_LIMIT_TICKETS_PER_USER', 'RATE_LIMIT_WINDOW_MINUTES',
   'FORCE_CLOSE_TIMER_SECONDS', 'GMAIL_POLL_INTERVAL_SECONDS',
   // Embed colors
   'EMBED_COLOR_OPEN', 'EMBED_COLOR_CLOSED', 'EMBED_COLOR_CLAIMED', 'EMBED_COLOR_ESCALATED', 'EMBED_COLOR_INFO',
-  'PRIORITY_HIGH_EMOJI', 'PRIORITY_MEDIUM_EMOJI', 'PRIORITY_LOW_EMOJI',
-  // Pattern thresholds
-  'PATTERN_USER_TICKET_THRESHOLD', 'PATTERN_GAME_TICKET_THRESHOLD',
-  'PATTERN_STAFF_STALE_PING_THRESHOLD', 'PATTERN_ESCALATION_THRESHOLD',
-  'PATTERN_RAPID_CLOSE_SECONDS', 'PATTERN_UNCLAIMED_HOURS', 'PATTERN_CHECK_INTERVAL_MINUTES',
-  // Surge settings
-  'SURGE_ROLE_ID', 'SURGE_TICKET_COUNT', 'SURGE_TICKET_WINDOW_MINUTES',
-  'SURGE_GAME_TICKET_COUNT', 'SURGE_GAME_TICKET_WINDOW_MINUTES',
-  'SURGE_STALE_COUNT', 'SURGE_STALE_HOURS',
-  'SURGE_NEEDS_RESPONSE_COUNT', 'SURGE_NEEDS_RESPONSE_HOURS',
-  'SURGE_UNCLAIMED_COUNT', 'SURGE_UNCLAIMED_MINUTES', 'SURGE_TIER3_UNCLAIMED_MINUTES',
-  'SURGE_COOLDOWN_MINUTES', 'SURGE_NO_STAFF_COOLDOWN_MINUTES', 'SURGE_NO_STAFF_OPEN_TICKET_THRESHOLD',
-  // Chat alerts
-  'CHAT_ALERT_CHANNEL_IDS', 'CHAT_ALERT_MESSAGE_COUNT',
-  'CHAT_ALERT_HOURS_WITHOUT_RESPONSE', 'CHAT_ALERT_COOLDOWN_MINUTES',
-  // Notification thresholds
-  'NOTIFICATION_THRESHOLDS_JSON', 'UNCLAIMED_REMINDER_THRESHOLDS',
-  // Notification enable state (Phase 9)
-  'NOTIFICATION_ENABLED_JSON', 'NOTIFICATIONS_MASTER_ENABLED'
+  'PRIORITY_HIGH_EMOJI', 'PRIORITY_MEDIUM_EMOJI', 'PRIORITY_LOW_EMOJI'
 ]);
 
 // ---------- Regex primitives ----------
@@ -207,13 +183,9 @@ const VALIDATORS = {
 
 function inferType(key) {
   // 1. Explicit overrides
-  if (key === 'NOTIFICATION_THRESHOLDS_JSON') return 'json';
-  if (key === 'NOTIFICATION_ENABLED_JSON') return 'json';
-  if (key === 'NOTIFICATIONS_MASTER_ENABLED') return 'boolean';
   if (key === 'LOGO_URL') return 'url';
   if (/_EMAIL$/.test(key)) return 'email';
   if (key.includes('COLOR')) return 'hex_color';
-  if (/_EMOJIS$/.test(key)) return 'string_or_json';
   // ROLE_ID_TO_PING has _ID mid-key — standard _ID$ pattern misses it.
   if (key === 'ROLE_ID_TO_PING') return 'discord_id';