feat: surface system presence for the agent

src/infra/provider-summary.ts

@@ -0,0 +1,59 @@
+import { loadConfig, type WarelayConfig } from "../config/config.js";
+import { normalizeE164 } from "../utils.js";
+import {
+  getWebAuthAgeMs,
+  readWebSelfId,
+  webAuthExists,
+} from "../web/session.js";
+
+const DEFAULT_WEBCHAT_PORT = 18788;
+
+export async function buildProviderSummary(
+  cfg?: WarelayConfig,
+): Promise<string> {
+  const effective = cfg ?? loadConfig();
+  const parts: string[] = [];
+
+  const webLinked = await webAuthExists();
+  const authAgeMs = getWebAuthAgeMs();
+  const authAge = authAgeMs === null ? "unknown" : formatAge(authAgeMs);
+  const { e164 } = readWebSelfId();
+  parts.push(
+    webLinked
+      ? `WhatsApp web linked${e164 ? ` as ${e164}` : ""} (auth ${authAge})`
+      : "WhatsApp web not linked",
+  );
+
+  const telegramToken =
+    process.env.TELEGRAM_BOT_TOKEN ?? effective.telegram?.botToken;
+  parts.push(
+    telegramToken ? "Telegram bot configured" : "Telegram bot not configured",
+  );
+
+  if (effective.webchat?.enabled === false) {
+    parts.push("WebChat disabled");
+  } else {
+    const port = effective.webchat?.port ?? DEFAULT_WEBCHAT_PORT;
+    parts.push(`WebChat enabled (port ${port})`);
+  }
+
+  const allowFrom = effective.inbound?.allowFrom?.length
+    ? effective.inbound.allowFrom.map(normalizeE164).filter(Boolean)
+    : [];
+  if (allowFrom.length) {
+    parts.push(`AllowFrom: ${allowFrom.join(", ")}`);
+  }
+
+  return `System status: ${parts.join("; ")}`;
+}
+
+export function formatAge(ms: number): string {
+  if (ms < 0) return "unknown";
+  const minutes = Math.round(ms / 60_000);
+  if (minutes < 1) return "just now";
+  if (minutes < 60) return `${minutes}m ago`;
+  const hours = Math.round(minutes / 60);
+  if (hours < 48) return `${hours}h ago`;
+  const days = Math.round(hours / 24);
+  return `${days}d ago`;
+}