feat: add slack multi-account routing

src/config/types.ts

@@ -455,6 +455,8 @@ export type SlackChannelConfig = {
   allow?: boolean;
   /** Require mentioning the bot to trigger replies. */
   requireMention?: boolean;
+  /** Allow bot-authored messages to trigger replies (default: false). */
+  allowBots?: boolean;
   /** Allowlist of users that can invoke the bot in this channel. */
   users?: Array<string | number>;
   /** Optional skill filter for this channel. */
@@ -494,6 +496,8 @@ export type SlackAccountConfig = {
   enabled?: boolean;
   botToken?: string;
   appToken?: string;
+  /** Allow bot-authored messages to trigger replies (default: false). */
+  allowBots?: boolean;
   /**
    * Controls how channel messages are handled:
    * - "open" (default): channels bypass allowlists; mention-gating applies