diff --git a/src/agents/bash-tools.exec-host-shared.test.ts b/src/agents/bash-tools.exec-host-shared.test.ts
index 991d12d7454..cfff7bb524f 100644
--- a/src/agents/bash-tools.exec-host-shared.test.ts
+++ b/src/agents/bash-tools.exec-host-shared.test.ts
@@ -43,17 +43,17 @@ let resolveExecHostApprovalContext: typeof import("./bash-tools.exec-host-shared
 let sendExecApprovalFollowup: typeof import("./bash-tools.exec-approval-followup.js").sendExecApprovalFollowup;
 let logWarn: typeof import("../logger.js").logWarn;
 
-describe("sendExecApprovalFollowupResult", () => {
-  beforeAll(async () => {
-    ({
-      sendExecApprovalFollowupResult,
-      MAX_EXEC_APPROVAL_FOLLOWUP_FAILURE_LOG_KEYS: maxExecApprovalFollowupFailureLogKeys,
-      resolveExecHostApprovalContext,
-    } = await import("./bash-tools.exec-host-shared.js"));
-    ({ sendExecApprovalFollowup } = await import("./bash-tools.exec-approval-followup.js"));
-    ({ logWarn } = await import("../logger.js"));
-  });
+beforeAll(async () => {
+  ({
+    sendExecApprovalFollowupResult,
+    MAX_EXEC_APPROVAL_FOLLOWUP_FAILURE_LOG_KEYS: maxExecApprovalFollowupFailureLogKeys,
+    resolveExecHostApprovalContext,
+  } = await import("./bash-tools.exec-host-shared.js"));
+  ({ sendExecApprovalFollowup } = await import("./bash-tools.exec-approval-followup.js"));
+  ({ logWarn } = await import("../logger.js"));
+});
 
+describe("sendExecApprovalFollowupResult", () => {
   beforeEach(() => {
     vi.mocked(sendExecApprovalFollowup).mockReset();
     vi.mocked(logWarn).mockReset();
diff --git a/src/channels/plugins/config-schema.test.ts b/src/channels/plugins/config-schema.test.ts
index 2f788ac8e91..be85b5f7d93 100644
--- a/src/channels/plugins/config-schema.test.ts
+++ b/src/channels/plugins/config-schema.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it, vi } from "vitest";
 import { z } from "zod";
-import { buildChannelConfigSchema } from "./config-schema.js";
+import { buildChannelConfigSchema, emptyChannelConfigSchema } from "./config-schema.js";
 
 describe("buildChannelConfigSchema", () => {
   it("builds json schema when toJSONSchema is available", () => {
@@ -46,3 +46,22 @@ describe("buildChannelConfigSchema", () => {
     });
   });
 });
+
+describe("emptyChannelConfigSchema", () => {
+  it("accepts undefined and empty objects only", () => {
+    const result = emptyChannelConfigSchema();
+
+    expect(result.runtime?.safeParse(undefined)).toEqual({
+      success: true,
+      data: undefined,
+    });
+    expect(result.runtime?.safeParse({})).toEqual({
+      success: true,
+      data: {},
+    });
+    expect(result.runtime?.safeParse({ enabled: true })).toEqual({
+      success: false,
+      issues: [{ path: [], message: "config must be empty" }],
+    });
+  });
+});
diff --git a/src/channels/plugins/config-schema.ts b/src/channels/plugins/config-schema.ts
index 971f50abea9..94a71013c6b 100644
--- a/src/channels/plugins/config-schema.ts
+++ b/src/channels/plugins/config-schema.ts
@@ -104,3 +104,33 @@ export function buildChannelConfigSchema(
     },
   };
 }
+
+export function emptyChannelConfigSchema(): ChannelConfigSchema {
+  return {
+    schema: {
+      type: "object",
+      additionalProperties: false,
+      properties: {},
+    },
+    runtime: {
+      safeParse(value) {
+        if (value === undefined) {
+          return { success: true, data: undefined };
+        }
+        if (!value || typeof value !== "object" || Array.isArray(value)) {
+          return {
+            success: false,
+            issues: [{ path: [], message: "expected config object" }],
+          };
+        }
+        if (Object.keys(value as Record<string, unknown>).length > 0) {
+          return {
+            success: false,
+            issues: [{ path: [], message: "config must be empty" }],
+          };
+        }
+        return { success: true, data: value };
+      },
+    },
+  };
+}
diff --git a/src/plugin-sdk/channel-core.ts b/src/plugin-sdk/channel-core.ts
index eaa4ee63c1d..99876eba054 100644
--- a/src/plugin-sdk/channel-core.ts
+++ b/src/plugin-sdk/channel-core.ts
@@ -1,3 +1,4 @@
+import { emptyChannelConfigSchema } from "../channels/plugins/config-schema.js";
 import { buildAccountScopedDmSecurityPolicy } from "../channels/plugins/helpers.js";
 import {
   createScopedAccountReplyToModeResolver,
@@ -14,14 +15,17 @@ import type {
   ChannelPollResult,
   ChannelThreadingAdapter,
 } from "../channels/plugins/types.core.js";
-import type { ChannelConfigUiHint, ChannelPlugin } from "../channels/plugins/types.plugin.js";
+import type {
+  ChannelConfigSchema,
+  ChannelConfigUiHint,
+  ChannelPlugin,
+} from "../channels/plugins/types.plugin.js";
 import type { OpenClawConfig } from "../config/config.js";
 import type { ReplyToMode } from "../config/types.base.js";
 import { buildOutboundBaseSessionKey } from "../infra/outbound/base-session-key.js";
 import type { OutboundDeliveryResult } from "../infra/outbound/deliver.js";
-import { emptyPluginConfigSchema } from "../plugins/config-schema.js";
 import type { PluginRuntime } from "../plugins/runtime/types.js";
-import type { OpenClawPluginApi, OpenClawPluginConfigSchema } from "../plugins/types.js";
+import type { OpenClawPluginApi } from "../plugins/types.js";
 
 export type { ChannelConfigUiHint, ChannelPlugin };
 export type { OpenClawConfig };
@@ -31,12 +35,17 @@ export type ChannelOutboundSessionRouteParams = Parameters<
   NonNullable<ChannelMessagingAdapter["resolveOutboundSessionRoute"]>
 >[0];
 
+type ChannelEntryConfigSchema<TPlugin> =
+  TPlugin extends ChannelPlugin<unknown>
+    ? NonNullable<TPlugin["configSchema"]>
+    : ChannelConfigSchema;
+
 type DefineChannelPluginEntryOptions<TPlugin = ChannelPlugin> = {
   id: string;
   name: string;
   description: string;
   plugin: TPlugin;
-  configSchema?: OpenClawPluginConfigSchema | (() => OpenClawPluginConfigSchema);
+  configSchema?: ChannelEntryConfigSchema<TPlugin> | (() => ChannelEntryConfigSchema<TPlugin>);
   setRuntime?: (runtime: PluginRuntime) => void;
   registerCliMetadata?: (api: OpenClawPluginApi) => void;
   registerFull?: (api: OpenClawPluginApi) => void;
@@ -46,7 +55,7 @@ type DefinedChannelPluginEntry<TPlugin> = {
   id: string;
   name: string;
   description: string;
-  configSchema: OpenClawPluginConfigSchema;
+  configSchema: ChannelEntryConfigSchema<TPlugin>;
   register: (api: OpenClawPluginApi) => void;
   channelPlugin: TPlugin;
   setChannelRuntime?: (runtime: PluginRuntime) => void;
@@ -270,12 +279,15 @@ export function defineChannelPluginEntry<TPlugin>({
   name,
   description,
   plugin,
-  configSchema = emptyPluginConfigSchema,
+  configSchema,
   setRuntime,
   registerCliMetadata,
   registerFull,
 }: DefineChannelPluginEntryOptions<TPlugin>): DefinedChannelPluginEntry<TPlugin> {
-  const resolvedConfigSchema = typeof configSchema === "function" ? configSchema() : configSchema;
+  const resolvedConfigSchema: ChannelEntryConfigSchema<TPlugin> =
+    typeof configSchema === "function"
+      ? configSchema()
+      : ((configSchema ?? emptyChannelConfigSchema()) as ChannelEntryConfigSchema<TPlugin>);
   const entry = {
     id,
     name,
diff --git a/src/plugin-sdk/core.ts b/src/plugin-sdk/core.ts
index 909bb335faa..fc7b0c0af9a 100644
--- a/src/plugin-sdk/core.ts
+++ b/src/plugin-sdk/core.ts
@@ -1,4 +1,5 @@
 import { CHAT_CHANNEL_ORDER, type ChatChannelId } from "../channels/ids.js";
+import { emptyChannelConfigSchema } from "../channels/plugins/config-schema.js";
 import { buildAccountScopedDmSecurityPolicy } from "../channels/plugins/helpers.js";
 import {
   createScopedAccountReplyToModeResolver,
@@ -22,7 +23,6 @@ import type { ReplyToMode } from "../config/types.base.js";
 import { buildOutboundBaseSessionKey } from "../infra/outbound/base-session-key.js";
 import type { OutboundDeliveryResult } from "../infra/outbound/deliver.js";
 import { listBundledPluginMetadata } from "../plugins/bundled-plugin-metadata.js";
-import { emptyPluginConfigSchema } from "../plugins/config-schema.js";
 import type { PluginPackageChannel } from "../plugins/manifest.js";
 import type { PluginRuntime } from "../plugins/runtime/types.js";
 import type { OpenClawPluginApi } from "../plugins/types.js";
@@ -144,7 +144,10 @@ export { createDedupeCache, resolveGlobalDedupeCache } from "../infra/dedupe.js"
 export { generateSecureToken, generateSecureUuid } from "../infra/secure-random.js";
 export { delegateCompactionToRuntime } from "../context-engine/delegate.js";
 export { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "../routing/session-key.js";
-export { buildChannelConfigSchema } from "../channels/plugins/config-schema.js";
+export {
+  buildChannelConfigSchema,
+  emptyChannelConfigSchema,
+} from "../channels/plugins/config-schema.js";
 export {
   applyAccountNameToChannelSection,
   migrateBaseNameToDefaultAccount,
@@ -356,35 +359,18 @@ export function buildChannelOutboundSessionRoute(params: {
   };
 }
 
-const emptyChannelConfigSchema: ChannelConfigSchema = {
-  schema: {
-    type: "object",
-    additionalProperties: false,
-    properties: {},
-  },
-  runtime: {
-    safeParse(value: unknown) {
-      if (value === undefined) {
-        return { success: true, data: undefined };
-      }
-      if (!value || typeof value !== "object" || Array.isArray(value)) {
-        return { success: false, issues: [{ path: [], message: "expected config object" }] };
-      }
-      if (Object.keys(value as Record<string, unknown>).length > 0) {
-        return { success: false, issues: [{ path: [], message: "config must be empty" }] };
-      }
-      return { success: true, data: value };
-    },
-  },
-};
-
 /** Options for a channel plugin entry that should register a channel capability. */
+type ChannelEntryConfigSchema<TPlugin> =
+  TPlugin extends ChannelPlugin<unknown>
+    ? NonNullable<TPlugin["configSchema"]>
+    : ChannelConfigSchema;
+
 type DefineChannelPluginEntryOptions<TPlugin = ChannelPlugin> = {
   id: string;
   name: string;
   description: string;
   plugin: TPlugin;
-  configSchema?: ChannelConfigSchema | (() => ChannelConfigSchema);
+  configSchema?: ChannelEntryConfigSchema<TPlugin> | (() => ChannelEntryConfigSchema<TPlugin>);
   setRuntime?: (runtime: PluginRuntime) => void;
   registerCliMetadata?: (api: OpenClawPluginApi) => void;
   registerFull?: (api: OpenClawPluginApi) => void;
@@ -394,7 +380,7 @@ type DefinedChannelPluginEntry<TPlugin> = {
   id: string;
   name: string;
   description: string;
-  configSchema: ChannelConfigSchema;
+  configSchema: ChannelEntryConfigSchema<TPlugin>;
   register: (api: OpenClawPluginApi) => void;
   channelPlugin: TPlugin;
   setChannelRuntime?: (runtime: PluginRuntime) => void;
@@ -452,16 +438,17 @@ export function defineChannelPluginEntry<TPlugin>({
   name,
   description,
   plugin,
-  configSchema = emptyChannelConfigSchema,
+  configSchema,
   setRuntime,
   registerCliMetadata,
   registerFull,
 }: DefineChannelPluginEntryOptions<TPlugin>): DefinedChannelPluginEntry<TPlugin> {
-  let resolvedConfigSchema: ChannelConfigSchema | undefined;
-  const getConfigSchema = (): ChannelConfigSchema => {
+  let resolvedConfigSchema: ChannelEntryConfigSchema<TPlugin> | undefined;
+  const getConfigSchema = (): ChannelEntryConfigSchema<TPlugin> => {
     resolvedConfigSchema ??=
-      (typeof configSchema === "function" ? configSchema() : configSchema) ??
-      emptyChannelConfigSchema;
+      typeof configSchema === "function"
+        ? configSchema()
+        : ((configSchema ?? emptyChannelConfigSchema()) as ChannelEntryConfigSchema<TPlugin>);
     return resolvedConfigSchema;
   };
   const entry = {