diff --git a/extensions/nextcloud-talk/runtime-api.ts b/extensions/nextcloud-talk/runtime-api.ts
new file mode 100644
index 00000000000..fc9283930bd
--- /dev/null
+++ b/extensions/nextcloud-talk/runtime-api.ts
@@ -0,0 +1 @@
+export * from "openclaw/plugin-sdk/nextcloud-talk";
diff --git a/extensions/nextcloud-talk/src/accounts.ts b/extensions/nextcloud-talk/src/accounts.ts
index 1b9d2c16f93..d6a2a4edcaa 100644
--- a/extensions/nextcloud-talk/src/accounts.ts
+++ b/extensions/nextcloud-talk/src/accounts.ts
@@ -4,7 +4,7 @@ import {
   DEFAULT_ACCOUNT_ID,
   normalizeAccountId,
   resolveAccountWithDefaultFallback,
-} from "openclaw/plugin-sdk/nextcloud-talk";
+} from "../runtime-api.js";
 import { normalizeResolvedSecretInputString } from "./secret-input.js";
 import type { CoreConfig, NextcloudTalkAccountConfig } from "./types.js";
 
diff --git a/extensions/nextcloud-talk/src/channel.ts b/extensions/nextcloud-talk/src/channel.ts
index 6101136a5e3..16910b7371e 100644
--- a/extensions/nextcloud-talk/src/channel.ts
+++ b/extensions/nextcloud-talk/src/channel.ts
@@ -6,6 +6,7 @@ import {
   collectAllowlistProviderGroupPolicyWarnings,
   collectOpenGroupPolicyRouteAllowlistWarnings,
 } from "openclaw/plugin-sdk/channel-policy";
+import { runStoppablePassiveMonitor } from "../../shared/passive-monitor.js";
 import {
   buildBaseChannelStatusSummary,
   buildChannelConfigSchema,
@@ -16,8 +17,7 @@ import {
   setAccountEnabledInConfigSection,
   type ChannelPlugin,
   type OpenClawConfig,
-} from "openclaw/plugin-sdk/nextcloud-talk";
-import { runStoppablePassiveMonitor } from "../../shared/passive-monitor.js";
+} from "../runtime-api.js";
 import {
   listNextcloudTalkAccountIds,
   resolveDefaultNextcloudTalkAccountId,
diff --git a/extensions/nextcloud-talk/src/config-schema.ts b/extensions/nextcloud-talk/src/config-schema.ts
index 85cb14ff213..020a69d7992 100644
--- a/extensions/nextcloud-talk/src/config-schema.ts
+++ b/extensions/nextcloud-talk/src/config-schema.ts
@@ -1,3 +1,5 @@
+import { z } from "zod";
+import { requireChannelOpenAllowFrom } from "../../shared/config-schema-helpers.js";
 import {
   BlockStreamingCoalesceSchema,
   DmConfigSchema,
@@ -7,9 +9,7 @@ import {
   ReplyRuntimeConfigSchemaShape,
   ToolPolicySchema,
   requireOpenAllowFrom,
-} from "openclaw/plugin-sdk/nextcloud-talk";
-import { z } from "zod";
-import { requireChannelOpenAllowFrom } from "../../shared/config-schema-helpers.js";
+} from "../runtime-api.js";
 import { buildSecretInputSchema } from "./secret-input.js";
 
 export const NextcloudTalkRoomSchema = z
diff --git a/extensions/nextcloud-talk/src/inbound.ts b/extensions/nextcloud-talk/src/inbound.ts
index 10ecd924fd7..9eefe831835 100644
--- a/extensions/nextcloud-talk/src/inbound.ts
+++ b/extensions/nextcloud-talk/src/inbound.ts
@@ -14,7 +14,7 @@ import {
   type OutboundReplyPayload,
   type OpenClawConfig,
   type RuntimeEnv,
-} from "openclaw/plugin-sdk/nextcloud-talk";
+} from "../runtime-api.js";
 import type { ResolvedNextcloudTalkAccount } from "./accounts.js";
 import {
   normalizeNextcloudTalkAllowlist,
diff --git a/extensions/nextcloud-talk/src/monitor.ts b/extensions/nextcloud-talk/src/monitor.ts
index d66a40d7429..8721ff5fe6b 100644
--- a/extensions/nextcloud-talk/src/monitor.ts
+++ b/extensions/nextcloud-talk/src/monitor.ts
@@ -1,12 +1,12 @@
 import { createServer, type IncomingMessage, type Server, type ServerResponse } from "node:http";
 import os from "node:os";
+import { resolveLoggerBackedRuntime } from "../../shared/runtime.js";
 import {
   type RuntimeEnv,
   isRequestBodyLimitError,
   readRequestBodyWithLimit,
   requestBodyErrorToText,
-} from "openclaw/plugin-sdk/nextcloud-talk";
-import { resolveLoggerBackedRuntime } from "../../shared/runtime.js";
+} from "../runtime-api.js";
 import { resolveNextcloudTalkAccount } from "./accounts.js";
 import { handleNextcloudTalkInbound } from "./inbound.js";
 import { createNextcloudTalkReplayGuard } from "./replay-guard.js";
diff --git a/extensions/nextcloud-talk/src/policy.ts b/extensions/nextcloud-talk/src/policy.ts
index 15e19da84de..849efac51e6 100644
--- a/extensions/nextcloud-talk/src/policy.ts
+++ b/extensions/nextcloud-talk/src/policy.ts
@@ -3,7 +3,7 @@ import type {
   ChannelGroupContext,
   GroupPolicy,
   GroupToolPolicyConfig,
-} from "openclaw/plugin-sdk/nextcloud-talk";
+} from "../runtime-api.js";
 import {
   buildChannelKeyCandidates,
   evaluateMatchedGroupAccessForPolicy,
@@ -11,7 +11,7 @@ import {
   resolveChannelEntryMatchWithFallback,
   resolveMentionGatingWithBypass,
   resolveNestedAllowlistDecision,
-} from "openclaw/plugin-sdk/nextcloud-talk";
+} from "../runtime-api.js";
 import type { NextcloudTalkRoomConfig } from "./types.js";
 
 function normalizeAllowEntry(raw: string): string {
diff --git a/extensions/nextcloud-talk/src/replay-guard.ts b/extensions/nextcloud-talk/src/replay-guard.ts
index 8dc8477e13f..ed4d1c7b79b 100644
--- a/extensions/nextcloud-talk/src/replay-guard.ts
+++ b/extensions/nextcloud-talk/src/replay-guard.ts
@@ -1,5 +1,5 @@
 import path from "node:path";
-import { createPersistentDedupe } from "openclaw/plugin-sdk/nextcloud-talk";
+import { createPersistentDedupe } from "../runtime-api.js";
 
 const DEFAULT_REPLAY_TTL_MS = 24 * 60 * 60 * 1000;
 const DEFAULT_MEMORY_MAX_SIZE = 1_000;
diff --git a/extensions/nextcloud-talk/src/room-info.ts b/extensions/nextcloud-talk/src/room-info.ts
index eae5a1eeb51..eb1072e8baa 100644
--- a/extensions/nextcloud-talk/src/room-info.ts
+++ b/extensions/nextcloud-talk/src/room-info.ts
@@ -1,6 +1,5 @@
 import { readFileSync } from "node:fs";
-import { fetchWithSsrFGuard } from "openclaw/plugin-sdk/nextcloud-talk";
-import type { RuntimeEnv } from "openclaw/plugin-sdk/nextcloud-talk";
+import { fetchWithSsrFGuard, type RuntimeEnv } from "../runtime-api.js";
 import type { ResolvedNextcloudTalkAccount } from "./accounts.js";
 import { normalizeResolvedSecretInputString } from "./secret-input.js";
 
diff --git a/extensions/nextcloud-talk/src/runtime.ts b/extensions/nextcloud-talk/src/runtime.ts
index facf3a0cc05..c8251669314 100644
--- a/extensions/nextcloud-talk/src/runtime.ts
+++ b/extensions/nextcloud-talk/src/runtime.ts
@@ -1,5 +1,5 @@
-import type { PluginRuntime } from "openclaw/plugin-sdk/nextcloud-talk";
 import { createPluginRuntimeStore } from "openclaw/plugin-sdk/runtime-store";
+import type { PluginRuntime } from "../runtime-api.js";
 
 const { setRuntime: setNextcloudTalkRuntime, getRuntime: getNextcloudTalkRuntime } =
   createPluginRuntimeStore<PluginRuntime>("Nextcloud Talk runtime not initialized");
diff --git a/extensions/nextcloud-talk/src/secret-input.ts b/extensions/nextcloud-talk/src/secret-input.ts
index d26cb8e4e23..ad5746ffc31 100644
--- a/extensions/nextcloud-talk/src/secret-input.ts
+++ b/extensions/nextcloud-talk/src/secret-input.ts
@@ -3,7 +3,7 @@ import {
   hasConfiguredSecretInput,
   normalizeResolvedSecretInputString,
   normalizeSecretInputString,
-} from "openclaw/plugin-sdk/nextcloud-talk";
+} from "../runtime-api.js";
 
 export {
   buildSecretInputSchema,
diff --git a/extensions/nextcloud-talk/src/types.ts b/extensions/nextcloud-talk/src/types.ts
index a9cfbef7d06..a7f2dc38ab0 100644
--- a/extensions/nextcloud-talk/src/types.ts
+++ b/extensions/nextcloud-talk/src/types.ts
@@ -4,7 +4,7 @@ import type {
   DmPolicy,
   GroupPolicy,
   SecretInput,
-} from "openclaw/plugin-sdk/nextcloud-talk";
+} from "../runtime-api.js";
 
 export type { DmPolicy, GroupPolicy };
 
diff --git a/src/plugin-sdk/channel-import-guardrails.test.ts b/src/plugin-sdk/channel-import-guardrails.test.ts
index cb32b5e8b12..0d49e580d11 100644
--- a/src/plugin-sdk/channel-import-guardrails.test.ts
+++ b/src/plugin-sdk/channel-import-guardrails.test.ts
@@ -123,6 +123,7 @@ const LOCAL_EXTENSION_API_BARREL_GUARDS = [
   "llm-task",
   "line",
   "memory-lancedb",
+  "nextcloud-talk",
   "synology-chat",
   "talk-voice",
   "thread-ownership",
@@ -260,7 +261,8 @@ function collectExtensionFiles(extensionId: string): string[] {
         fullPath.includes(".test-") ||
         fullPath.includes(".spec.") ||
         fullPath.includes(".fixture.") ||
-        fullPath.includes(".snap")
+        fullPath.includes(".snap") ||
+        fullPath.endsWith("/runtime-api.ts")
       ) {
         continue;
       }