feat(broker): add list_meshes tool + multilingual AI responses

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/broker/src/telegram-ai.ts

@@ -58,6 +58,14 @@ const TOOLS: AiTool[] = [
       properties: {},
     },
   },
+  {
+    name: "list_meshes",
+    description: "List all meshes this Telegram chat is connected to. Use when user asks about their meshes, which meshes are available, or wants to see their workspace list.",
+    input_schema: {
+      type: "object",
+      properties: {},
+    },
+  },
   {
     name: "remember",
     description: "Store a memory/note in the mesh's shared knowledge. Use when user wants to save information for later.",
@@ -140,6 +148,8 @@ const SYSTEM_PROMPT = `You are the claudemesh Telegram assistant. You help users
 
 You have access to tools for mesh operations. When the user's intent maps to a tool, use it. When it's a general question or conversation, respond directly.
 
+IMPORTANT: Always respond in the same language the user writes in. If they write in Spanish, respond in Spanish. If English, respond in English.
+
 Rules:
 - Be concise — Telegram messages should be short
 - When sending messages to peers, preserve the user's tone and intent
@@ -246,13 +256,21 @@ export function formatResult(toolName: string, result: unknown): string {
 
     case "list_peers": {
       const peers = result as Array<{ displayName: string; status: string; summary?: string }>;
-      if (!peers || peers.length === 0) return "No peers online.";
+      if (!peers || peers.length === 0) return "No peers online\\.";
       return "👥 *Online peers:*\n\n" + peers.map(p => {
         const icon = p.status === "idle" ? "🟢" : p.status === "working" ? "🟡" : p.status === "dnd" ? "🔴" : "⚪";
         return `${icon} *${escMd(p.displayName)}*${p.summary ? ` — ${escMd(p.summary)}` : ""}`;
       }).join("\n");
     }
 
+    case "list_meshes": {
+      const meshes = result as Array<{ slug: string; peers: number }>;
+      if (!meshes || meshes.length === 0) return "No meshes connected\\. Use /connect to add one\\.";
+      return "🔗 *Connected meshes:*\n\n" + meshes.map(m =>
+        `• *${escMd(m.slug)}* — ${m.peers} peer${m.peers !== 1 ? "s" : ""} online`
+      ).join("\n");
+    }
+
     case "recall": {
       const memories = result as Array<{ content: string; tags: string[] }>;
       if (!memories || memories.length === 0) return "No memories found.";