chatservice

server/src/services/chatService/constants.js

@@ -0,0 +1,26 @@
+// Chat Service Constants
+// Purpose: Defines chat moderation, history, and UX timing constants used across chat modules.
+// Scope: Centralizes immutable runtime tuning values for message and typing behavior.
+const RATE_LIMIT_WINDOW_MS = 8000;
+const RATE_LIMIT_MAX = 5;
+const MAX_HISTORY = 100;
+const PROFANITY_ALLOWLIST = ['fuck', 'ass', 'shit'];
+const DUPLICATE_WINDOW_MS = 15000;
+const TYPING_START_NOTE = 72;
+const TYPING_SEND_NOTE = 79;
+const TYPING_NOTE_DURATION = 8;
+const ACCESS_NOTICE_COOLDOWN_MS = 60000;
+const ACCESS_KEYWORD_RE = /\b(drive|roomba)\b/i;
+
+module.exports = {
+  RATE_LIMIT_WINDOW_MS,
+  RATE_LIMIT_MAX,
+  MAX_HISTORY,
+  PROFANITY_ALLOWLIST,
+  DUPLICATE_WINDOW_MS,
+  TYPING_START_NOTE,
+  TYPING_SEND_NOTE,
+  TYPING_NOTE_DURATION,
+  ACCESS_NOTICE_COOLDOWN_MS,
+  ACCESS_KEYWORD_RE,
+};