refactor!: rename chat providers to channels

src/channels/plugins/agent-tools/whatsapp-login.ts

@@ -0,0 +1,74 @@
+import { Type } from "@sinclair/typebox";
+import type { ChannelAgentTool } from "../types.js";
+
+export function createWhatsAppLoginTool(): ChannelAgentTool {
+  return {
+    label: "WhatsApp Login",
+    name: "whatsapp_login",
+    description:
+      "Generate a WhatsApp QR code for linking, or wait for the scan to complete.",
+    // NOTE: Using Type.Unsafe for action enum instead of Type.Union([Type.Literal(...)]
+    // because Claude API on Vertex AI rejects nested anyOf schemas as invalid JSON Schema.
+    parameters: Type.Object({
+      action: Type.Unsafe<"start" | "wait">({
+        type: "string",
+        enum: ["start", "wait"],
+      }),
+      timeoutMs: Type.Optional(Type.Number()),
+      force: Type.Optional(Type.Boolean()),
+    }),
+    execute: async (_toolCallId, args) => {
+      const { startWebLoginWithQr, waitForWebLogin } = await import(
+        "../../../web/login-qr.js"
+      );
+      const action = (args as { action?: string })?.action ?? "start";
+      if (action === "wait") {
+        const result = await waitForWebLogin({
+          timeoutMs:
+            typeof (args as { timeoutMs?: unknown }).timeoutMs === "number"
+              ? (args as { timeoutMs?: number }).timeoutMs
+              : undefined,
+        });
+        return {
+          content: [{ type: "text", text: result.message }],
+          details: { connected: result.connected },
+        };
+      }
+
+      const result = await startWebLoginWithQr({
+        timeoutMs:
+          typeof (args as { timeoutMs?: unknown }).timeoutMs === "number"
+            ? (args as { timeoutMs?: number }).timeoutMs
+            : undefined,
+        force:
+          typeof (args as { force?: unknown }).force === "boolean"
+            ? (args as { force?: boolean }).force
+            : false,
+      });
+
+      if (!result.qrDataUrl) {
+        return {
+          content: [
+            {
+              type: "text",
+              text: result.message,
+            },
+          ],
+          details: { qr: false },
+        };
+      }
+
+      const text = [
+        result.message,
+        "",
+        "Open WhatsApp → Linked Devices and scan:",
+        "",
+        `![whatsapp-qr](${result.qrDataUrl})`,
+      ].join("\n");
+      return {
+        content: [{ type: "text", text }],
+        details: { qr: true },
+      };
+    },
+  };
+}