Add ACP-backed role sessions

src/core/command-router.ts

@@ -1,57 +1,26 @@
-import { AgentRegistry } from "../agents/agent-registry.js";
-import { SessionStore } from "./session-store.js";
-import type { IncomingMessage } from "./types.js";
+export type CommandKind = "help" | "roles" | "role" | "status" | "cancel" | "new";
 
-export interface CommandResult {
-  handled: boolean;
-  text?: string;
+export interface ParsedCommand {
+  kind: CommandKind;
+  argument?: string;
+  deprecatedAlias?: boolean;
 }
 
 export class CommandRouter {
-  constructor(
-    private readonly agents: AgentRegistry,
-    private readonly sessions: SessionStore
-  ) {}
-
-  route(message: IncomingMessage, sessionId: string): CommandResult {
-    const text = message.text.trim();
-    if (!text.startsWith("/")) return { handled: false };
-
-    const [command, ...args] = text.split(/\s+/);
-    switch (command) {
-      case "/help":
-        return {
-          handled: true,
-          text: [
-            "Commands:",
-            "/help - show this help",
-            "/status - show gateway/session status",
-            "/agents - list available agents",
-            "/agent <name> - select an agent for this chat",
-            "/new - reset this chat session"
-          ].join("\n")
-        };
-      case "/status": {
-        const session = this.sessions.getSession(sessionId);
-        return {
-          handled: true,
-          text: `OK\nplatform=${message.platform}\nchat=${message.chatId}\nagent=${session.selectedAgent || this.agents.defaultName()}`
-        };
-      }
-      case "/agents":
-        return { handled: true, text: `Available agents: ${this.agents.list().join(", ")}` };
-      case "/agent": {
-        const agentName = args[0];
-        if (!agentName) return { handled: true, text: "Usage: /agent <name>" };
-        if (!this.agents.has(agentName)) return { handled: true, text: `Unknown agent: ${agentName}` };
-        this.sessions.setSelectedAgent(sessionId, agentName);
-        return { handled: true, text: `Selected agent: ${agentName}` };
-      }
-      case "/new":
-        this.sessions.reset(sessionId);
-        return { handled: true, text: "Started a new session for this chat." };
-      default:
-        return { handled: false };
+  parse(text: string): ParsedCommand | undefined {
+    const trimmed = text.trim();
+    if (!trimmed.startsWith("/")) return undefined;
+    const [command, ...args] = trimmed.split(/\s+/);
+    switch (command.toLowerCase()) {
+      case "/help": return { kind: "help" };
+      case "/roles": return { kind: "roles" };
+      case "/role": return { kind: "role", argument: args[0] };
+      case "/status": return { kind: "status" };
+      case "/cancel": return { kind: "cancel" };
+      case "/new": return { kind: "new" };
+      case "/agents": return { kind: "roles", deprecatedAlias: true };
+      case "/agent": return { kind: "role", argument: args[0], deprecatedAlias: true };
+      default: return undefined;
     }
   }
 }