feat: wire multi-agent config and routing

Co-authored-by: Mark Pors <1078320+pors@users.noreply.github.com>

src/auto-reply/reply/mentions.ts

@@ -1,23 +1,62 @@
+import { resolveAgentConfig } from "../../agents/agent-scope.js";
 import type { ClawdbotConfig } from "../../config/config.js";
 import type { MsgContext } from "../templating.js";
 
+function escapeRegExp(text: string): string {
+  return text.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+}
+
+function deriveMentionPatterns(identity?: { name?: string; emoji?: string }) {
+  const patterns: string[] = [];
+  const name = identity?.name?.trim();
+  if (name) {
+    const parts = name.split(/\s+/).filter(Boolean).map(escapeRegExp);
+    const re = parts.length ? parts.join(String.raw`\s+`) : escapeRegExp(name);
+    patterns.push(String.raw`\b@?${re}\b`);
+  }
+  const emoji = identity?.emoji?.trim();
+  if (emoji) {
+    patterns.push(escapeRegExp(emoji));
+  }
+  return patterns;
+}
+
+const BACKSPACE_CHAR = "\u0008";
+
+function normalizeMentionPattern(pattern: string): string {
+  if (!pattern.includes(BACKSPACE_CHAR)) return pattern;
+  return pattern.split(BACKSPACE_CHAR).join("\\b");
+}
+
+function normalizeMentionPatterns(patterns: string[]): string[] {
+  return patterns.map(normalizeMentionPattern);
+}
+
 function resolveMentionPatterns(
   cfg: ClawdbotConfig | undefined,
   agentId?: string,
 ): string[] {
   if (!cfg) return [];
-  const agentConfig = agentId ? cfg.routing?.agents?.[agentId] : undefined;
-  if (agentConfig && Object.hasOwn(agentConfig, "mentionPatterns")) {
-    return agentConfig.mentionPatterns ?? [];
+  const agentConfig = agentId ? resolveAgentConfig(cfg, agentId) : undefined;
+  const agentGroupChat = agentConfig?.groupChat;
+  if (agentGroupChat && Object.hasOwn(agentGroupChat, "mentionPatterns")) {
+    return agentGroupChat.mentionPatterns ?? [];
   }
-  return cfg.routing?.groupChat?.mentionPatterns ?? [];
+  const globalGroupChat = cfg.messages?.groupChat;
+  if (globalGroupChat && Object.hasOwn(globalGroupChat, "mentionPatterns")) {
+    return globalGroupChat.mentionPatterns ?? [];
+  }
+  const derived = deriveMentionPatterns(agentConfig?.identity);
+  return derived.length > 0 ? derived : [];
 }
 
 export function buildMentionRegexes(
   cfg: ClawdbotConfig | undefined,
   agentId?: string,
 ): RegExp[] {
-  const patterns = resolveMentionPatterns(cfg, agentId);
+  const patterns = normalizeMentionPatterns(
+    resolveMentionPatterns(cfg, agentId),
+  );
   return patterns
     .map((pattern) => {
       try {
@@ -66,7 +105,9 @@ export function stripMentions(
   agentId?: string,
 ): string {
   let result = text;
-  const patterns = resolveMentionPatterns(cfg, agentId);
+  const patterns = normalizeMentionPatterns(
+    resolveMentionPatterns(cfg, agentId),
+  );
   for (const p of patterns) {
     try {
       const re = new RegExp(p, "gi");