receive -> route and record -> agent turn -> durable final send
send -> render batch -> platform I/O -> receipt -> lifecycle side effects
live preview -> final edit or fallback -> receipt

import {
  defineChannelMessageAdapter,
  createMessageReceiptFromOutboundResults,
} from "openclaw/plugin-sdk/channel-message";

export const demoMessageAdapter = defineChannelMessageAdapter({
  id: "demo",
  durableFinal: {
    capabilities: {
      text: true,
      replyTo: true,
      thread: true,
      messageSendingHooks: true,
    },
  },
  send: {
    text: async ({ cfg, to, text, accountId, replyToId, threadId, signal }) => {
      const sent = await sendDemoMessage({
        cfg,
        to,
        text,
        accountId: accountId ?? undefined,
        replyToId: replyToId ?? undefined,
        threadId: threadId == null ? undefined : String(threadId),
        signal,
      });

      return {
        receipt: createMessageReceiptFromOutboundResults({
          results: [{ channel: "demo", messageId: sent.id, conversationId: to }],
          kind: "text",
          threadId: threadId == null ? undefined : String(threadId),
          replyToId: replyToId ?? undefined,
        }),
      };
    },
  },
});

export const demoPlugin = createChatChannelPlugin({
  base: {
    id: "demo",
    message: demoMessageAdapter,
    // other channel plugin fields
  },
});

import { createChannelMessageAdapterFromOutbound } from "openclaw/plugin-sdk/channel-message";

const demoMessageAdapter = createChannelMessageAdapterFromOutbound({
  id: "demo",
  outbound: demoOutboundAdapter,
});

export const demoActions: ChannelMessageActionAdapter = {
  describeMessageTool: () => ({ actions: ["send"], capabilities: ["presentation"] }),
  prepareSendPayload: ({ ctx, payload }) => {
    if (ctx.action !== "send") {
      return null;
    }
    return {
      ...payload,
      channelData: {
        ...payload.channelData,
        demo: {
          ...(payload.channelData?.demo as object | undefined),
          nativeCard: ctx.params.card,
        },
      },
    };
  },
};

import { deriveDurableFinalDeliveryRequirements } from "openclaw/plugin-sdk/channel-message";

const requiredCapabilities = deriveDurableFinalDeliveryRequirements({
  payload,
  replyToId,
  threadId,
  silent,
  payloadTransport: true,
  extraCapabilities: {
    nativeQuote: hasSelectedQuote(payload),
  },
});

type MessageReceipt = {
  primaryPlatformMessageId?: string;
  platformMessageIds: string[];
  parts: MessageReceiptPart[];
  threadId?: string;
  replyToId?: string;
  editToken?: string;
  deleteToken?: string;
  sentAt: number;
  raw?: readonly MessageReceiptSourceResult[];
};

const demoMessageAdapter = defineChannelMessageAdapter({
  id: "demo",
  live: {
    capabilities: {
      draftPreview: true,
      previewFinalization: true,
      progressUpdates: true,
      quietFinalization: true,
    },
    finalizer: {
      capabilities: {
        finalEdit: true,
        normalFallback: true,
        discardPending: true,
        previewReceipt: true,
        retainOnAmbiguousFailure: true,
      },
    },
  },
});

const demoMessageAdapter = defineChannelMessageAdapter({
  id: "demo",
  receive: {
    defaultAckPolicy: "after_agent_dispatch",
    supportedAckPolicies: ["after_receive_record", "after_agent_dispatch"],
  },
});

{
  receive: {
    defaultAckPolicy: "manual",
    supportedAckPolicies: ["manual"],
  },
}

import {
  verifyChannelMessageAdapterCapabilityProofs,
  verifyChannelMessageLiveCapabilityAdapterProofs,
  verifyChannelMessageLiveFinalizerProofs,
  verifyChannelMessageReceiveAckPolicyAdapterProofs,
} from "openclaw/plugin-sdk/channel-message";

it("backs declared message capabilities", async () => {
  await expect(
    verifyChannelMessageAdapterCapabilityProofs({
      adapterName: "demo",
      adapter: demoMessageAdapter,
      proofs: {
        text: async () => {
          const result = await demoMessageAdapter.send!.text!(textCtx);
          expect(result.receipt.platformMessageIds).toContain("msg-1");
        },
        replyTo: async () => {
          await demoMessageAdapter.send!.text!({ ...textCtx, replyToId: "parent-1" });
          expect(sendDemoMessage).toHaveBeenCalledWith(
            expect.objectContaining({
              replyToId: "parent-1",
            }),
          );
        },
        messageSendingHooks: () => {
          expect(demoMessageAdapter.durableFinal!.capabilities!.messageSendingHooks).toBe(true);
        },
      },
    }),
  ).resolves.toContainEqual({ capability: "text", status: "verified" });
});