diff --git a/extensions/imessage/runtime-api.ts b/extensions/imessage/runtime-api.ts
index 4f4acfa3328..57eb1ed64aa 100644
--- a/extensions/imessage/runtime-api.ts
+++ b/extensions/imessage/runtime-api.ts
@@ -1,3 +1,26 @@
-export * from "./src/monitor.js";
-export * from "./src/probe.js";
-export * from "./src/send.js";
+export type { IMessageAccountConfig } from "../../src/config/types.imessage.js";
+export type { ChannelPlugin } from "../../src/channels/plugins/types.plugin.js";
+export {
+  DEFAULT_ACCOUNT_ID,
+  PAIRING_APPROVED_MESSAGE,
+  buildChannelConfigSchema,
+  getChatChannelMeta,
+} from "../../src/plugin-sdk/channel-plugin-common.js";
+export {
+  formatTrimmedAllowFromEntries,
+  resolveIMessageConfigAllowFrom,
+  resolveIMessageConfigDefaultTo,
+} from "../../src/plugin-sdk/channel-config-helpers.js";
+export { collectStatusIssuesFromLastError } from "../../src/plugin-sdk/status-helpers.js";
+export { resolveChannelMediaMaxBytes } from "../../src/channels/plugins/media-limits.js";
+export {
+  looksLikeIMessageTargetId,
+  normalizeIMessageMessagingTarget,
+} from "../../src/channels/plugins/normalize/imessage.js";
+export { IMessageConfigSchema } from "../../src/config/zod-schema.providers-core.js";
+export { resolveIMessageGroupRequireMention, resolveIMessageGroupToolPolicy } from "./src/group-policy.js";
+
+export { monitorIMessageProvider } from "./src/monitor.js";
+export type { MonitorIMessageOpts } from "./src/monitor.js";
+export { probeIMessage } from "./src/probe.js";
+export { sendMessageIMessage } from "./src/send.js";
diff --git a/extensions/imessage/src/accounts.ts b/extensions/imessage/src/accounts.ts
index 5ee90339aa8..206fd13f8c6 100644
--- a/extensions/imessage/src/accounts.ts
+++ b/extensions/imessage/src/accounts.ts
@@ -4,7 +4,7 @@ import {
   resolveAccountEntry,
   type OpenClawConfig,
 } from "openclaw/plugin-sdk/account-resolution";
-import type { IMessageAccountConfig } from "openclaw/plugin-sdk/imessage";
+import type { IMessageAccountConfig } from "../runtime-api.js";
 
 export type ResolvedIMessageAccount = {
   accountId: string;
diff --git a/extensions/imessage/src/channel.runtime.ts b/extensions/imessage/src/channel.runtime.ts
index 99ce9f617a2..4df9d5651d5 100644
--- a/extensions/imessage/src/channel.runtime.ts
+++ b/extensions/imessage/src/channel.runtime.ts
@@ -2,7 +2,7 @@ import { resolveOutboundSendDep } from "openclaw/plugin-sdk/channel-runtime";
 import {
   PAIRING_APPROVED_MESSAGE,
   resolveChannelMediaMaxBytes,
-} from "openclaw/plugin-sdk/imessage";
+} from "../runtime-api.js";
 import type { ResolvedIMessageAccount } from "./accounts.js";
 import { monitorIMessageProvider } from "./monitor.js";
 import { probeIMessage } from "./probe.js";
@@ -55,7 +55,7 @@ export async function startIMessageGatewayAccount(
   ctx: Parameters<
     NonNullable<
       NonNullable<
-        import("openclaw/plugin-sdk/imessage").ChannelPlugin<ResolvedIMessageAccount>["gateway"]
+        import("../runtime-api.js").ChannelPlugin<ResolvedIMessageAccount>["gateway"]
       >["startAccount"]
     >
   >[0],
diff --git a/extensions/imessage/src/channel.setup.ts b/extensions/imessage/src/channel.setup.ts
index 4f715cab88c..85e616adb0a 100644
--- a/extensions/imessage/src/channel.setup.ts
+++ b/extensions/imessage/src/channel.setup.ts
@@ -1,4 +1,4 @@
-import { type ChannelPlugin } from "openclaw/plugin-sdk/imessage";
+import { type ChannelPlugin } from "../runtime-api.js";
 import { type ResolvedIMessageAccount } from "./accounts.js";
 import { imessageSetupAdapter } from "./setup-core.js";
 import { createIMessagePluginBase, imessageSetupWizard } from "./shared.js";
diff --git a/extensions/imessage/src/channel.ts b/extensions/imessage/src/channel.ts
index ec13a605406..22faf226e89 100644
--- a/extensions/imessage/src/channel.ts
+++ b/extensions/imessage/src/channel.ts
@@ -7,7 +7,7 @@ import {
   formatTrimmedAllowFromEntries,
   normalizeIMessageMessagingTarget,
   type ChannelPlugin,
-} from "openclaw/plugin-sdk/imessage";
+} from "../runtime-api.js";
 import { createLazyRuntimeModule } from "openclaw/plugin-sdk/lazy-runtime";
 import { type RoutePeer } from "openclaw/plugin-sdk/routing";
 import { buildPassiveProbedChannelStatusSummary } from "../../shared/channel-status-summary.js";
diff --git a/extensions/imessage/src/shared.ts b/extensions/imessage/src/shared.ts
index 6ea2f29d2c4..fb2486c69f3 100644
--- a/extensions/imessage/src/shared.ts
+++ b/extensions/imessage/src/shared.ts
@@ -10,7 +10,7 @@ import {
   getChatChannelMeta,
   IMessageConfigSchema,
   type ChannelPlugin,
-} from "openclaw/plugin-sdk/imessage-core";
+} from "../runtime-api.js";
 import {
   listIMessageAccountIds,
   resolveDefaultIMessageAccountId,