diff --git a/config/knip.config.ts b/config/knip.config.ts
index 2d2e75d03e7e..d5ad5385e26c 100644
--- a/config/knip.config.ts
+++ b/config/knip.config.ts
@@ -749,8 +749,6 @@ const config = {
     [`${BUNDLED_PLUGIN_ROOT_DIR}/kilocode`]: bundledPluginWorkspace(),
     [`${BUNDLED_PLUGIN_ROOT_DIR}/kimi-coding`]: bundledPluginWorkspace(),
     [`${BUNDLED_PLUGIN_ROOT_DIR}/matrix`]: bundledPluginWorkspace([
-      // Native import wrapper shipped alongside the Matrix runtime bundle.
-      "src/plugin-entry.runtime.js!",
       // The monitor lazy-loads outbound behavior on inbound-only processes.
       "src/matrix/send.ts!",
     ]),
diff --git a/extensions/matrix/src/approval-reactions.test.ts b/extensions/matrix/src/approval-reactions.test.ts
index d95d505bb4f2..3f5b59865d9c 100644
--- a/extensions/matrix/src/approval-reactions.test.ts
+++ b/extensions/matrix/src/approval-reactions.test.ts
@@ -1,3 +1,4 @@
+import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 // Matrix tests cover approval reactions plugin behavior.
 import { createPluginRuntimeStore } from "openclaw/plugin-sdk/runtime-store";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
@@ -8,7 +9,6 @@ import {
   resolveMatrixApprovalReactionTargetWithPersistence as resolveMatrixApprovalReactionTargetWithPersistenceRaw,
   unregisterMatrixApprovalReactionTarget as unregisterMatrixApprovalReactionTargetRaw,
 } from "./approval-reactions.js";
-import type { PluginRuntime } from "./runtime-api.js";
 import { setMatrixRuntime } from "./runtime.js";
 
 const { clearRuntime: clearMatrixRuntime } = createPluginRuntimeStore<PluginRuntime>({
diff --git a/extensions/matrix/src/cli-shared.ts b/extensions/matrix/src/cli-shared.ts
index 9afb5a044dda..c7bbaca776c1 100644
--- a/extensions/matrix/src/cli-shared.ts
+++ b/extensions/matrix/src/cli-shared.ts
@@ -2,12 +2,12 @@ import { normalizeAccountId } from "openclaw/plugin-sdk/account-id";
 import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime";
 import { parseStrictInteger } from "openclaw/plugin-sdk/number-runtime";
 import { readByteStreamWithLimit } from "openclaw/plugin-sdk/response-limit-runtime";
+import { formatZonedTimestamp } from "openclaw/plugin-sdk/time-runtime";
 import { resolveMatrixRoomKeyBackupIssue } from "./matrix/backup-health.js";
 import { resolveMatrixAuthContext } from "./matrix/client.js";
 import { setMatrixSdkConsoleLogging, setMatrixSdkLogMode } from "./matrix/client/logging.js";
 import type { MatrixOwnDeviceVerificationStatus, MatrixRoomKeyBackupStatus } from "./matrix/sdk.js";
 import type { MatrixVerificationSummary } from "./matrix/sdk/verification-manager.js";
-import { formatZonedTimestamp } from "./runtime-api.js";
 import { getMatrixRuntime } from "./runtime.js";
 import type { CoreConfig } from "./types.js";
 
diff --git a/extensions/matrix/src/cli.test.ts b/extensions/matrix/src/cli.test.ts
index 848484d2ace2..256d60df88d9 100644
--- a/extensions/matrix/src/cli.test.ts
+++ b/extensions/matrix/src/cli.test.ts
@@ -1,8 +1,8 @@
 // Matrix tests cover cli plugin behavior.
 import { Command } from "commander";
+import { formatZonedTimestamp } from "openclaw/plugin-sdk/time-runtime";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { registerMatrixCli } from "./cli.js";
-import { formatZonedTimestamp } from "./runtime-api.js";
 import type { CoreConfig } from "./types.js";
 
 const bootstrapMatrixVerificationMock = vi.fn();
diff --git a/extensions/matrix/src/delivery-trace.test.ts b/extensions/matrix/src/delivery-trace.test.ts
index b85e923e6f67..718294cd9d89 100644
--- a/extensions/matrix/src/delivery-trace.test.ts
+++ b/extensions/matrix/src/delivery-trace.test.ts
@@ -24,11 +24,13 @@ import {
   resolveInboundMentionDecision,
 } from "openclaw/plugin-sdk/channel-mention-gating";
 import { resolveMarkdownTableMode } from "openclaw/plugin-sdk/markdown-table-runtime";
+import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 import {
   chunkMarkdownTextWithMode,
   resolveChunkMode,
   resolveTextChunkLimit,
 } from "openclaw/plugin-sdk/reply-chunking";
+import type { ReplyPayload } from "openclaw/plugin-sdk/reply-runtime";
 import { convertMarkdownTables } from "openclaw/plugin-sdk/text-chunking";
 import { beforeAll, describe, it, vi } from "vitest";
 import {
@@ -36,7 +38,6 @@ import {
   createMatrixTextMessageEvent,
 } from "./matrix/monitor/handler.test-helpers.js";
 import type { MatrixClient } from "./matrix/sdk.js";
-import type { PluginRuntime, ReplyPayload } from "./runtime-api.js";
 import { installMatrixTestRuntime } from "./test-runtime.js";
 
 const ROOM_ID = "!room:example.org";
diff --git a/extensions/matrix/src/directory-live.ts b/extensions/matrix/src/directory-live.ts
index 22587a87391a..b5fb1c1e01ed 100644
--- a/extensions/matrix/src/directory-live.ts
+++ b/extensions/matrix/src/directory-live.ts
@@ -1,3 +1,4 @@
+import type { ChannelDirectoryEntry } from "openclaw/plugin-sdk/channel-contract";
 // Matrix plugin module implements directory live behavior.
 import {
   normalizeLowercaseStringOrEmpty,
@@ -6,7 +7,6 @@ import {
 import { resolveMatrixAuth } from "./matrix/client.js";
 import { MatrixAuthedHttpClient } from "./matrix/sdk/http-client.js";
 import { isMatrixQualifiedUserId, normalizeMatrixMessagingTarget } from "./matrix/target-ids.js";
-import type { ChannelDirectoryEntry } from "./runtime-api.js";
 
 type MatrixUserResult = {
   user_id?: string;
diff --git a/extensions/matrix/src/group-mentions.ts b/extensions/matrix/src/group-mentions.ts
index 56bdefd72b16..d4809c8beb18 100644
--- a/extensions/matrix/src/group-mentions.ts
+++ b/extensions/matrix/src/group-mentions.ts
@@ -1,3 +1,4 @@
+import type { ChannelGroupContext } from "openclaw/plugin-sdk/channel-contract";
 // Matrix plugin module implements group mentions behavior.
 import {
   resolveScopeRequireMention,
@@ -7,7 +8,6 @@ import {
 import { resolveMatrixAccountConfig } from "./matrix/accounts.js";
 import { buildMatrixRoomScopeTree, resolveMatrixRoomScopePath } from "./matrix/monitor/rooms.js";
 import { normalizeMatrixResolvableTarget } from "./matrix/target-ids.js";
-import type { ChannelGroupContext } from "./runtime-api.js";
 import type { CoreConfig } from "./types.js";
 
 function resolveMatrixGroupScope(params: ChannelGroupContext) {
diff --git a/extensions/matrix/src/matrix/actions/messages.test.ts b/extensions/matrix/src/matrix/actions/messages.test.ts
index 3d1a07ca4ab7..cefc04f0465c 100644
--- a/extensions/matrix/src/matrix/actions/messages.test.ts
+++ b/extensions/matrix/src/matrix/actions/messages.test.ts
@@ -23,7 +23,7 @@ function installMatrixActionTestRuntime(): void {
         convertMarkdownTables: (text: string) => text,
       },
     },
-  } as unknown as import("../../runtime-api.js").PluginRuntime);
+  } as unknown as import("openclaw/plugin-sdk/plugin-runtime").PluginRuntime);
 }
 
 function createPollResponseEvent(): Record<string, unknown> {
diff --git a/extensions/matrix/src/matrix/client/config-runtime-api.ts b/extensions/matrix/src/matrix/client/config-runtime-api.ts
deleted file mode 100644
index 2de990c9db6d..000000000000
--- a/extensions/matrix/src/matrix/client/config-runtime-api.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-// Matrix API module exposes the plugin public contract.
-export {
-  DEFAULT_ACCOUNT_ID,
-  normalizeAccountId,
-  normalizeOptionalAccountId,
-} from "openclaw/plugin-sdk/account-id";
-export {
-  isPrivateNetworkOptInEnabled,
-  ssrfPolicyFromDangerouslyAllowPrivateNetwork,
-} from "openclaw/plugin-sdk/ssrf-runtime";
diff --git a/extensions/matrix/src/matrix/client/config.test.ts b/extensions/matrix/src/matrix/client/config.test.ts
index 3aa1e2a922fb..c32107b5955b 100644
--- a/extensions/matrix/src/matrix/client/config.test.ts
+++ b/extensions/matrix/src/matrix/client/config.test.ts
@@ -1,7 +1,7 @@
+import type { LookupFn } from "openclaw/plugin-sdk/ssrf-runtime";
 // Matrix tests cover config plugin behavior.
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { getMatrixScopedEnvVarNames } from "../../env-vars.js";
-import type { LookupFn } from "../../runtime-api.js";
 import { installMatrixTestRuntime } from "../../test-runtime.js";
 import type { CoreConfig } from "../../types.js";
 import {
diff --git a/extensions/matrix/src/matrix/client/config.ts b/extensions/matrix/src/matrix/client/config.ts
index c94899a1c136..90866c2d0607 100644
--- a/extensions/matrix/src/matrix/client/config.ts
+++ b/extensions/matrix/src/matrix/client/config.ts
@@ -1,4 +1,9 @@
 // Matrix helper module supports config behavior.
+import {
+  DEFAULT_ACCOUNT_ID,
+  normalizeAccountId,
+  normalizeOptionalAccountId,
+} from "openclaw/plugin-sdk/account-id";
 import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime";
 import { createLazyRuntimeModule } from "openclaw/plugin-sdk/lazy-runtime";
 import { resolveOptionalIntegerOption } from "openclaw/plugin-sdk/number-runtime";
@@ -10,6 +15,10 @@ import {
   normalizeResolvedSecretInputString,
 } from "openclaw/plugin-sdk/secret-input-runtime";
 import type { PinnedDispatcherPolicy } from "openclaw/plugin-sdk/ssrf-dispatcher";
+import {
+  isPrivateNetworkOptInEnabled,
+  ssrfPolicyFromDangerouslyAllowPrivateNetwork,
+} from "openclaw/plugin-sdk/ssrf-runtime";
 import {
   requiresExplicitMatrixDefaultAccount,
   resolveMatrixDefaultOrOnlyAccountId,
@@ -27,13 +36,6 @@ import {
 } from "../account-config.js";
 import { resolveMatrixConfigFieldPath } from "../config-paths.js";
 import type { MatrixStoredCredentials } from "../credentials-state.js";
-import {
-  DEFAULT_ACCOUNT_ID,
-  isPrivateNetworkOptInEnabled,
-  normalizeAccountId,
-  normalizeOptionalAccountId,
-  ssrfPolicyFromDangerouslyAllowPrivateNetwork,
-} from "./config-runtime-api.js";
 import { resolveGlobalMatrixEnvConfig, resolveScopedMatrixEnvConfig } from "./env-auth.js";
 import { repairCurrentTokenStorageMetaDeviceId } from "./storage.js";
 import type { MatrixAuth, MatrixResolvedConfig } from "./types.js";
diff --git a/extensions/matrix/src/matrix/client/types.ts b/extensions/matrix/src/matrix/client/types.ts
index a8a0ebc638e5..fc342c58e7fc 100644
--- a/extensions/matrix/src/matrix/client/types.ts
+++ b/extensions/matrix/src/matrix/client/types.ts
@@ -1,6 +1,6 @@
 // Matrix type declarations define plugin contracts.
 import type { PinnedDispatcherPolicy } from "openclaw/plugin-sdk/ssrf-dispatcher";
-import type { SsrFPolicy } from "../../runtime-api.js";
+import type { SsrFPolicy } from "openclaw/plugin-sdk/ssrf-runtime";
 
 export type MatrixResolvedConfig = {
   homeserver: string;
diff --git a/extensions/matrix/src/matrix/draft-stream.test.ts b/extensions/matrix/src/matrix/draft-stream.test.ts
index 52172a904475..330eeb2acf92 100644
--- a/extensions/matrix/src/matrix/draft-stream.test.ts
+++ b/extensions/matrix/src/matrix/draft-stream.test.ts
@@ -1,6 +1,6 @@
+import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 // Matrix tests cover draft stream plugin behavior.
 import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
-import type { PluginRuntime } from "../runtime-api.js";
 
 const sendModuleMocks = vi.hoisted(() => {
   const loadConfigMock = vi.fn(() => ({}));
diff --git a/extensions/matrix/src/matrix/monitor/events.ts b/extensions/matrix/src/matrix/monitor/events.ts
index a4b7444a8c89..ec7af10ca66e 100644
--- a/extensions/matrix/src/matrix/monitor/events.ts
+++ b/extensions/matrix/src/matrix/monitor/events.ts
@@ -1,6 +1,6 @@
+import type { PluginRuntime, RuntimeLogger } from "openclaw/plugin-sdk/plugin-runtime";
 // Matrix plugin module implements events behavior.
 import { normalizeOptionalString, uniqueStrings } from "openclaw/plugin-sdk/string-coerce-runtime";
-import type { PluginRuntime, RuntimeLogger } from "../../runtime-api.js";
 import type { CoreConfig } from "../../types.js";
 import type { MatrixAuth } from "../client.js";
 import { formatMatrixEncryptedEventDisabledWarning } from "../encryption-guidance.js";
diff --git a/extensions/matrix/src/matrix/monitor/handler.active-turn-steering.test.ts b/extensions/matrix/src/matrix/monitor/handler.active-turn-steering.test.ts
index 9c5db646cfeb..6d355ebf023d 100644
--- a/extensions/matrix/src/matrix/monitor/handler.active-turn-steering.test.ts
+++ b/extensions/matrix/src/matrix/monitor/handler.active-turn-steering.test.ts
@@ -3,10 +3,10 @@ import {
   runChannelInboundEvent,
   type ChannelInboundEventRunnerParams,
 } from "openclaw/plugin-sdk/channel-inbound";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/config-contracts";
 import type { FinalizedMsgContext, GetReplyOptions } from "openclaw/plugin-sdk/reply-runtime";
 import { useAutoCleanupTempDirTracker } from "openclaw/plugin-sdk/test-env";
 import { afterEach, describe, expect, it, vi } from "vitest";
-import type { OpenClawConfig } from "../../runtime-api.js";
 import { installMatrixMonitorTestRuntime } from "../../test-runtime.js";
 import type { MatrixMonitorHandlerParams } from "./handler-types.js";
 import {
diff --git a/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts b/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts
index b6f3dcf8b28e..42e9a42faf97 100644
--- a/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts
+++ b/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts
@@ -3,9 +3,10 @@ import {
   buildChannelInboundEventContext,
   type PreparedInboundReply,
 } from "openclaw/plugin-sdk/channel-inbound";
+import type { RuntimeLogger } from "openclaw/plugin-sdk/plugin-runtime";
 import { finalizeInboundContext as finalizeCoreInboundContext } from "openclaw/plugin-sdk/reply-runtime";
+import type { RuntimeEnv } from "openclaw/plugin-sdk/runtime";
 import { vi, type Mock } from "vitest";
-import type { RuntimeEnv, RuntimeLogger } from "../../runtime-api.js";
 import type {
   MatrixConfig,
   MatrixRoomConfig,
diff --git a/extensions/matrix/src/matrix/monitor/index.test-helpers.ts b/extensions/matrix/src/matrix/monitor/index.test-helpers.ts
index 992a74368716..7827b250e2c7 100644
--- a/extensions/matrix/src/matrix/monitor/index.test-helpers.ts
+++ b/extensions/matrix/src/matrix/monitor/index.test-helpers.ts
@@ -1,5 +1,4 @@
 import { vi } from "vitest";
-import { z } from "zod";
 import type { MatrixRoomInfo } from "./room-info.js";
 
 export type DirectRoomTrackerOptions = {
@@ -223,73 +222,20 @@ vi.mock("openclaw/plugin-sdk/channel-runtime-context", () => ({
   registerChannelRuntimeContext: hoisted.registerChannelRuntimeContext,
 }));
 
-vi.mock("../../runtime-api.js", () => {
-  const normalizeAccountId = (value: string | null | undefined) => value?.trim() || "default";
-  return {
-    DEFAULT_ACCOUNT_ID: "default",
-    GROUP_POLICY_BLOCKED_LABEL: {
-      room: "room",
-    },
-    MarkdownConfigSchema: z.any().optional(),
-    PAIRING_APPROVED_MESSAGE: "paired",
-    ToolPolicySchema: z.any().optional(),
-    addAllowlistUserEntriesFromConfigEntry: vi.fn(),
-    buildChannelConfigSchema: (schema: unknown) => schema,
-    buildChannelKeyCandidates: (...keys: Array<string | undefined | null>) => {
-      const seen = new Set<string>();
-      return keys
-        .map((key) => (typeof key === "string" ? key.trim() : ""))
-        .filter((key) => {
-          if (!key || seen.has(key)) {
-            return false;
-          }
-          seen.add(key);
-          return true;
-        });
-    },
-    buildProbeChannelStatusSummary: (
-      snapshot: Record<string, unknown>,
-      extra?: Record<string, unknown>,
-    ) => ({
-      ...snapshot,
-      ...extra,
-    }),
-    buildSecretInputSchema: () => z.string(),
-    chunkTextForOutbound: vi.fn((text: string) => [text]),
-    collectStatusIssuesFromLastError: () => [],
-    createActionGate: () => () => true,
-    createReplyPrefixOptions: () => ({}),
-    createTypingCallbacks: () => ({}),
-    formatDocsLink: (input: string) => input,
-    formatZonedTimestamp: () => "2026-03-27T00:00:00.000Z",
-    getAgentScopedMediaLocalRoots: () => [],
-    getSessionBindingService: () => ({}),
-    hasConfiguredSecretInput: (value: unknown) => Boolean(value),
-    mergeAllowlist: ({ existing, additions }: { existing: string[]; additions: string[] }) => [
-      ...existing,
-      ...additions,
-    ],
-    normalizeAccountId,
-    normalizeOptionalAccountId: normalizeAccountId,
-    resolveThreadBindingIdleTimeoutMsForChannel: () => 24 * 60 * 60 * 1000,
-    resolveThreadBindingMaxAgeMsForChannel: () => 0,
-    resolveAllowlistProviderRuntimeGroupPolicy: () => ({
-      groupPolicy: "allowlist",
-      providerMissingFallbackApplied: false,
-    }),
-    resolveDefaultGroupPolicy: () => "allowlist",
-    resolveOutboundSendDep: () => null,
-    resolveThreadBindingFarewellText: () => null,
-    resolveAckReaction: () => null,
-    readJsonFileWithFallback: vi.fn(),
-    readNumberParam: vi.fn(),
-    readReactionParams: vi.fn(),
-    readStringArrayParam: vi.fn(),
-    readStringParam: vi.fn(),
-    summarizeMapping: vi.fn(),
-    warnMissingProviderGroupPolicyFallbackOnce: vi.fn(),
-  };
-});
+vi.mock("openclaw/plugin-sdk/runtime-group-policy", () => ({
+  GROUP_POLICY_BLOCKED_LABEL: { room: "room" },
+  resolveAllowlistProviderRuntimeGroupPolicy: () => ({
+    groupPolicy: "allowlist",
+    providerMissingFallbackApplied: false,
+  }),
+  resolveDefaultGroupPolicy: () => "allowlist",
+  warnMissingProviderGroupPolicyFallbackOnce: vi.fn(),
+}));
+
+vi.mock("openclaw/plugin-sdk/thread-bindings-runtime", () => ({
+  resolveThreadBindingIdleTimeoutMsForChannel: () => 24 * 60 * 60 * 1000,
+  resolveThreadBindingMaxAgeMsForChannel: () => 0,
+}));
 
 vi.mock("../../resolve-targets.js", () => ({
   resolveMatrixTargets: vi.fn(async () => []),
diff --git a/extensions/matrix/src/matrix/monitor/index.ts b/extensions/matrix/src/matrix/monitor/index.ts
index 63dfabc12f0f..060905a4632e 100644
--- a/extensions/matrix/src/matrix/monitor/index.ts
+++ b/extensions/matrix/src/matrix/monitor/index.ts
@@ -8,15 +8,17 @@ import {
 } from "openclaw/plugin-sdk/channel-outbound";
 import { registerChannelRuntimeContext } from "openclaw/plugin-sdk/channel-runtime-context";
 import { resolveOptionalIntegerOption } from "openclaw/plugin-sdk/number-runtime";
+import type { RuntimeEnv } from "openclaw/plugin-sdk/runtime";
 import {
   GROUP_POLICY_BLOCKED_LABEL,
-  resolveThreadBindingIdleTimeoutMsForChannel,
-  resolveThreadBindingMaxAgeMsForChannel,
   resolveAllowlistProviderRuntimeGroupPolicy,
   resolveDefaultGroupPolicy,
   warnMissingProviderGroupPolicyFallbackOnce,
-  type RuntimeEnv,
-} from "../../runtime-api.js";
+} from "openclaw/plugin-sdk/runtime-group-policy";
+import {
+  resolveThreadBindingIdleTimeoutMsForChannel,
+  resolveThreadBindingMaxAgeMsForChannel,
+} from "openclaw/plugin-sdk/thread-bindings-runtime";
 import { getMatrixRuntime } from "../../runtime.js";
 import type {
   CoreConfig,
diff --git a/extensions/matrix/src/matrix/monitor/startup-verification.test.ts b/extensions/matrix/src/matrix/monitor/startup-verification.test.ts
index 9f322b13fe06..1bdbcb27b742 100644
--- a/extensions/matrix/src/matrix/monitor/startup-verification.test.ts
+++ b/extensions/matrix/src/matrix/monitor/startup-verification.test.ts
@@ -2,13 +2,13 @@
 import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
+import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 import type { OpenKeyedStoreOptions } from "openclaw/plugin-sdk/plugin-state-runtime";
 import {
   createPluginStateKeyedStoreForTests,
   resetPluginStateStoreForTests,
 } from "openclaw/plugin-sdk/plugin-state-test-runtime";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-import type { PluginRuntime } from "../../runtime-api.js";
 import { setMatrixRuntime } from "../../runtime.js";
 import { ensureMatrixStartupVerification } from "./startup-verification.js";
 
diff --git a/extensions/matrix/src/matrix/monitor/startup.ts b/extensions/matrix/src/matrix/monitor/startup.ts
index ffc64e1cab17..dd9c9b1836a4 100644
--- a/extensions/matrix/src/matrix/monitor/startup.ts
+++ b/extensions/matrix/src/matrix/monitor/startup.ts
@@ -1,6 +1,6 @@
 import { createLazyRuntimeModule } from "openclaw/plugin-sdk/lazy-runtime";
 // Matrix plugin module implements startup behavior.
-import type { RuntimeLogger } from "../../runtime-api.js";
+import type { RuntimeLogger } from "openclaw/plugin-sdk/plugin-runtime";
 import type { CoreConfig, MatrixConfig } from "../../types.js";
 import type { MatrixAuth } from "../client.js";
 import type { MatrixClient } from "../sdk.js";
diff --git a/extensions/matrix/src/matrix/monitor/task-runner.ts b/extensions/matrix/src/matrix/monitor/task-runner.ts
index 2ff1c6728ee8..a60f8ef0daf8 100644
--- a/extensions/matrix/src/matrix/monitor/task-runner.ts
+++ b/extensions/matrix/src/matrix/monitor/task-runner.ts
@@ -1,5 +1,5 @@
 // Matrix plugin module implements task runner behavior.
-import type { RuntimeLogger } from "../../runtime-api.js";
+import type { RuntimeLogger } from "openclaw/plugin-sdk/plugin-runtime";
 
 export function createMatrixMonitorTaskRunner(params: {
   logger: RuntimeLogger;
diff --git a/extensions/matrix/src/matrix/probe.ts b/extensions/matrix/src/matrix/probe.ts
index 34524e5b9907..db5f080f21d5 100644
--- a/extensions/matrix/src/matrix/probe.ts
+++ b/extensions/matrix/src/matrix/probe.ts
@@ -1,10 +1,11 @@
+import type { BaseProbeResult } from "openclaw/plugin-sdk/channel-contract";
 // Matrix plugin module implements probe behavior.
 import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime";
 import { createLazyRuntimeModule } from "openclaw/plugin-sdk/lazy-runtime";
 import type { PinnedDispatcherPolicy } from "openclaw/plugin-sdk/ssrf-dispatcher";
+import type { SsrFPolicy } from "openclaw/plugin-sdk/ssrf-runtime";
 import { normalizeOptionalString } from "openclaw/plugin-sdk/string-coerce-runtime";
 import { runChannelProbe } from "openclaw/plugin-sdk/text-utility-runtime";
-import type { SsrFPolicy, BaseProbeResult } from "../runtime-api.js";
 import { isBunRuntime } from "./client/runtime.js";
 
 const loadMatrixProbeRuntimeDeps = createLazyRuntimeModule(() =>
diff --git a/extensions/matrix/src/matrix/read-policy.ts b/extensions/matrix/src/matrix/read-policy.ts
index 7f9aaf5cb492..a47e7f4ffe9d 100644
--- a/extensions/matrix/src/matrix/read-policy.ts
+++ b/extensions/matrix/src/matrix/read-policy.ts
@@ -1,10 +1,10 @@
 import { normalizeAccountId } from "openclaw/plugin-sdk/account-id";
+import { ToolAuthorizationError } from "openclaw/plugin-sdk/channel-actions";
 import type { ChannelMessageActionContext } from "openclaw/plugin-sdk/channel-contract";
 import {
   resolveAllowlistProviderRuntimeGroupPolicy,
   resolveDefaultGroupPolicy,
-  ToolAuthorizationError,
-} from "../runtime-api.js";
+} from "openclaw/plugin-sdk/runtime-group-policy";
 import type { CoreConfig } from "../types.js";
 import { resolveMatrixBaseConfig } from "./account-config.js";
 import { resolveMatrixAccount } from "./accounts.js";
diff --git a/extensions/matrix/src/matrix/sdk/client-base.ts b/extensions/matrix/src/matrix/sdk/client-base.ts
index 2ed5746f9950..1a58b565e1bd 100644
--- a/extensions/matrix/src/matrix/sdk/client-base.ts
+++ b/extensions/matrix/src/matrix/sdk/client-base.ts
@@ -10,7 +10,7 @@ import { VerificationMethod } from "matrix-js-sdk/lib/types.js";
 import { KeyedAsyncQueue } from "openclaw/plugin-sdk/keyed-async-queue";
 import { createLazyRuntimeModule } from "openclaw/plugin-sdk/lazy-runtime";
 import type { PinnedDispatcherPolicy } from "openclaw/plugin-sdk/ssrf-dispatcher";
-import type { SsrFPolicy } from "../../runtime-api.js";
+import type { SsrFPolicy } from "openclaw/plugin-sdk/ssrf-runtime";
 import { SqliteBackedMatrixSyncStore } from "../client/file-sync-store.js";
 import { createMatrixJsSdkClientLogger } from "../client/logging.js";
 import { createMatrixStartupAbortError, throwIfMatrixStartupAborted } from "../startup-abort.js";
diff --git a/extensions/matrix/src/matrix/sdk/http-client.ts b/extensions/matrix/src/matrix/sdk/http-client.ts
index 0f7b8c05920a..a650f6ebc432 100644
--- a/extensions/matrix/src/matrix/sdk/http-client.ts
+++ b/extensions/matrix/src/matrix/sdk/http-client.ts
@@ -1,6 +1,6 @@
 // Matrix plugin module implements http client behavior.
 import type { PinnedDispatcherPolicy } from "openclaw/plugin-sdk/ssrf-dispatcher";
-import type { SsrFPolicy } from "../../runtime-api.js";
+import type { SsrFPolicy } from "openclaw/plugin-sdk/ssrf-runtime";
 import { buildHttpError } from "./event-helpers.js";
 import { type HttpMethod, type QueryParams, performMatrixRequest } from "./transport.js";
 
diff --git a/extensions/matrix/src/matrix/send.ts b/extensions/matrix/src/matrix/send.ts
index 4769b6f16e4a..321f2ab6dc3f 100644
--- a/extensions/matrix/src/matrix/send.ts
+++ b/extensions/matrix/src/matrix/send.ts
@@ -4,7 +4,7 @@ import {
   type MessageReceiptPartKind,
 } from "openclaw/plugin-sdk/channel-outbound";
 import { requireRuntimeConfig } from "openclaw/plugin-sdk/plugin-config-runtime";
-import type { PollInput } from "../runtime-api.js";
+import type { PollInput } from "openclaw/plugin-sdk/poll-runtime";
 import type { CoreConfig } from "../types.js";
 import {
   createMatrixPlannedEvents,
diff --git a/extensions/matrix/src/onboarding.ts b/extensions/matrix/src/onboarding.ts
index 6ade510c123b..5c9dfa4aca56 100644
--- a/extensions/matrix/src/onboarding.ts
+++ b/extensions/matrix/src/onboarding.ts
@@ -1,5 +1,6 @@
 // Matrix setup module handles plugin onboarding behavior.
 import { DEFAULT_ACCOUNT_ID } from "openclaw/plugin-sdk/account-id";
+import type { RuntimeEnv } from "openclaw/plugin-sdk/runtime";
 import {
   type ChannelSetupWizardAdapter,
   formatDocsLink,
@@ -9,6 +10,7 @@ import {
   promptAccountId,
   promptChannelAccessConfig,
   splitSetupEntries,
+  type WizardPrompter,
 } from "openclaw/plugin-sdk/setup";
 import { isPrivateNetworkOptInEnabled } from "openclaw/plugin-sdk/ssrf-policy";
 import {
@@ -33,7 +35,6 @@ import {
 import { updateMatrixAccountConfig } from "./matrix/config-update.js";
 import { ensureMatrixSdkInstalled, isMatrixSdkAvailable } from "./matrix/deps.js";
 import { isMatrixRoomId } from "./matrix/target-ids.js";
-import type { RuntimeEnv, WizardPrompter } from "./runtime-api.js";
 import { moveSingleMatrixAccountConfigToNamedAccount } from "./setup-config.js";
 import { createMatrixSetupDmPolicy } from "./setup-dm-policy.js";
 import type { CoreConfig, MatrixConfig } from "./types.js";
diff --git a/extensions/matrix/src/outbound.ts b/extensions/matrix/src/outbound.ts
index 74ba74670c08..fa75bd068075 100644
--- a/extensions/matrix/src/outbound.ts
+++ b/extensions/matrix/src/outbound.ts
@@ -1,7 +1,9 @@
+import type { ChannelOutboundAdapter } from "openclaw/plugin-sdk/channel-contract";
 // Matrix plugin module implements outbound behavior.
 import {
   createMessageReceiptFromOutboundResults,
   createReplyToFanout,
+  resolveOutboundSendDep,
 } from "openclaw/plugin-sdk/channel-outbound";
 import { attachChannelToResult } from "openclaw/plugin-sdk/channel-send-result";
 import {
@@ -14,13 +16,9 @@ import {
 } from "openclaw/plugin-sdk/reply-payload";
 import type { ReplyPayload } from "openclaw/plugin-sdk/reply-runtime";
 import { asOptionalRecord } from "openclaw/plugin-sdk/string-coerce-runtime";
+import { chunkTextForOutbound } from "openclaw/plugin-sdk/text-chunking";
 import { sendMessageMatrix, sendPollMatrix } from "./matrix/send.js";
 import type { MatrixExtraContentFields } from "./matrix/send/types.js";
-import {
-  chunkTextForOutbound,
-  resolveOutboundSendDep,
-  type ChannelOutboundAdapter,
-} from "./runtime-api.js";
 
 const MATRIX_OPENCLAW_PRESENTATION_KEY = "com.openclaw.presentation" as const;
 const MATRIX_OPENCLAW_PRESENTATION_TYPE = "message.presentation" as const;
diff --git a/extensions/matrix/src/plugin-entry.runtime.js b/extensions/matrix/src/plugin-entry.runtime.js
deleted file mode 100644
index 9c54880f5931..000000000000
--- a/extensions/matrix/src/plugin-entry.runtime.js
+++ /dev/null
@@ -1,115 +0,0 @@
-// Thin ESM wrapper so native dynamic import() resolves in source-checkout mode
-// while packaged dist builds resolve a distinct runtime entry that cannot loop
-// back into this wrapper through the stable root runtime alias.
-import fs from "node:fs";
-import path from "node:path";
-import { fileURLToPath, pathToFileURL } from "node:url";
-
-const PLUGIN_ID = "matrix";
-const PLUGIN_ENTRY_RUNTIME_BASENAME = "plugin-entry.handlers.runtime";
-const NATIVE_RUNTIME_EXTENSIONS = [".js", ".mjs", ".cjs"];
-
-function readPackageJson(packageRoot) {
-  try {
-    return JSON.parse(fs.readFileSync(path.join(packageRoot, "package.json"), "utf8"));
-  } catch {
-    return null;
-  }
-}
-
-function lowercaseStringOrEmptyWithoutTrim(value) {
-  return typeof value === "string" ? value.toLowerCase() : "";
-}
-
-function hasTrustedOpenClawRootIndicator(packageRoot, packageJson) {
-  const packageExports = packageJson?.exports ?? {};
-  if (!Object.hasOwn(packageExports, "./plugin-sdk/core")) {
-    return false;
-  }
-  const hasCliEntryExport = Object.hasOwn(packageExports, "./cli-entry");
-  const hasOpenClawBin =
-    (typeof packageJson?.bin === "string" &&
-      lowercaseStringOrEmptyWithoutTrim(packageJson.bin).includes("openclaw")) ||
-    (typeof packageJson?.bin === "object" &&
-      packageJson.bin !== null &&
-      typeof packageJson.bin.openclaw === "string");
-  const hasOpenClawEntrypoint = fs.existsSync(path.join(packageRoot, "openclaw.mjs"));
-  return hasCliEntryExport || hasOpenClawBin || hasOpenClawEntrypoint;
-}
-
-function findOpenClawPackageRoot(startDir) {
-  let cursor = path.resolve(startDir);
-  for (let i = 0; i < 12; i += 1) {
-    const pkg = readPackageJson(cursor);
-    if (pkg?.name === "openclaw" && hasTrustedOpenClawRootIndicator(cursor, pkg)) {
-      return { packageRoot: cursor, packageJson: pkg };
-    }
-    const parent = path.dirname(cursor);
-    if (parent === cursor) {
-      break;
-    }
-    cursor = parent;
-  }
-  return null;
-}
-
-function resolveExistingFile(basePath, extensions) {
-  for (const ext of extensions) {
-    const candidate = `${basePath}${ext}`;
-    if (fs.existsSync(candidate)) {
-      return candidate;
-    }
-  }
-  return null;
-}
-
-function resolveBundledPluginRuntimeModulePath(moduleUrl, params) {
-  const modulePath = fileURLToPath(moduleUrl);
-  const moduleDir = path.dirname(modulePath);
-  const localCandidates = [
-    path.join(moduleDir, "..", params.runtimeBasename),
-    path.join(moduleDir, "extensions", params.pluginId, params.runtimeBasename),
-  ];
-
-  for (const candidate of localCandidates) {
-    const resolved = resolveExistingFile(candidate, NATIVE_RUNTIME_EXTENSIONS);
-    if (resolved) {
-      return resolved;
-    }
-  }
-
-  const location = findOpenClawPackageRoot(moduleDir);
-  if (location) {
-    const { packageRoot } = location;
-    const packageCandidates = [
-      path.join(packageRoot, "extensions", params.pluginId, params.runtimeBasename),
-      path.join(packageRoot, "dist", "extensions", params.pluginId, params.runtimeBasename),
-    ];
-
-    for (const candidate of packageCandidates) {
-      const resolved = resolveExistingFile(candidate, NATIVE_RUNTIME_EXTENSIONS);
-      if (resolved) {
-        return resolved;
-      }
-    }
-  }
-
-  throw new Error(
-    `Cannot resolve ${params.pluginId} plugin runtime module ${params.runtimeBasename} from ${modulePath}`,
-  );
-}
-
-async function loadRuntimeModule(modulePath) {
-  return import(pathToFileURL(modulePath).href);
-}
-
-const mod = await loadRuntimeModule(
-  resolveBundledPluginRuntimeModulePath(import.meta.url, {
-    pluginId: PLUGIN_ID,
-    runtimeBasename: PLUGIN_ENTRY_RUNTIME_BASENAME,
-  }),
-);
-export const ensureMatrixCryptoRuntime = mod.ensureMatrixCryptoRuntime;
-export const handleVerifyRecoveryKey = mod.handleVerifyRecoveryKey;
-export const handleVerificationBootstrap = mod.handleVerificationBootstrap;
-export const handleVerificationStatus = mod.handleVerificationStatus;
diff --git a/extensions/matrix/src/plugin-entry.runtime.test.ts b/extensions/matrix/src/plugin-entry.runtime.test.ts
deleted file mode 100644
index b90b0421d0be..000000000000
--- a/extensions/matrix/src/plugin-entry.runtime.test.ts
+++ /dev/null
@@ -1,135 +0,0 @@
-// Matrix tests cover plugin entry plugin behavior.
-import fs from "node:fs";
-import os from "node:os";
-import path from "node:path";
-import { pathToFileURL } from "node:url";
-import { afterEach, expect, it } from "vitest";
-
-const tempDirs: string[] = [];
-const REPO_ROOT = process.cwd();
-const MATRIX_RUNTIME_WRAPPER_SOURCE = fs.readFileSync(
-  path.join(REPO_ROOT, "extensions", "matrix", "src", "plugin-entry.runtime.js"),
-  "utf8",
-);
-const PACKAGED_RUNTIME_STUB = [
-  "export async function ensureMatrixCryptoRuntime() {}",
-  "export async function handleVerifyRecoveryKey() {}",
-  "export async function handleVerificationBootstrap() {}",
-  "export async function handleVerificationStatus() {}",
-  "",
-].join("\n");
-
-function makeFixtureRoot(prefix: string) {
-  const fixtureRoot = fs.mkdtempSync(path.join(os.tmpdir(), prefix));
-  tempDirs.push(fixtureRoot);
-  return fixtureRoot;
-}
-
-function writeFixtureFile(fixtureRoot: string, relativePath: string, value: string) {
-  const fullPath = path.join(fixtureRoot, relativePath);
-  fs.mkdirSync(path.dirname(fullPath), { recursive: true });
-  fs.writeFileSync(fullPath, value, "utf8");
-}
-
-function writeOpenClawPackageFixture(fixtureRoot: string) {
-  writeFixtureFile(
-    fixtureRoot,
-    "package.json",
-    JSON.stringify(
-      {
-        name: "openclaw",
-        type: "module",
-        exports: {
-          "./plugin-sdk/core": "./dist/plugin-sdk/core.js",
-        },
-      },
-      null,
-      2,
-    ) + "\n",
-  );
-  writeFixtureFile(fixtureRoot, "openclaw.mjs", "export {};\n");
-  writeFixtureFile(fixtureRoot, "dist/plugin-sdk/core.js", "export {};\n");
-}
-
-function writeSourceRuntimeWrapperFixture(
-  fixtureRoot: string,
-  options: { runtimeExtension?: ".js" | ".ts" } = {},
-) {
-  const runtimeExtension = options.runtimeExtension ?? ".js";
-  writeFixtureFile(
-    fixtureRoot,
-    "extensions/matrix/src/plugin-entry.runtime.js",
-    MATRIX_RUNTIME_WRAPPER_SOURCE,
-  );
-  writeFixtureFile(
-    fixtureRoot,
-    `extensions/matrix/plugin-entry.handlers.runtime${runtimeExtension}`,
-    PACKAGED_RUNTIME_STUB,
-  );
-}
-
-function importFixtureModule(fixtureRoot: string, relativePath: string) {
-  const wrapperUrl = pathToFileURL(path.join(fixtureRoot, relativePath));
-  return import(`${wrapperUrl.href}?t=${Date.now()}`);
-}
-
-function expectRuntimeWrapperExports(mod: unknown) {
-  const exports = mod as Record<string, unknown>;
-  expect(exports.ensureMatrixCryptoRuntime).toBeTypeOf("function");
-  expect(exports.handleVerifyRecoveryKey).toBeTypeOf("function");
-  expect(exports.handleVerificationBootstrap).toBeTypeOf("function");
-  expect(exports.handleVerificationStatus).toBeTypeOf("function");
-}
-
-afterEach(() => {
-  for (const dir of tempDirs.splice(0)) {
-    fs.rmSync(dir, { recursive: true, force: true });
-  }
-});
-
-it("loads the source-checkout runtime wrapper through native ESM import", async () => {
-  const fixtureRoot = makeFixtureRoot(".tmp-matrix-source-runtime-");
-
-  writeOpenClawPackageFixture(fixtureRoot);
-  writeSourceRuntimeWrapperFixture(fixtureRoot);
-
-  expectRuntimeWrapperExports(
-    await importFixtureModule(fixtureRoot, "extensions/matrix/src/plugin-entry.runtime.js"),
-  );
-}, 240_000);
-
-it("loads the packaged runtime wrapper without recursing through the stable root alias", async () => {
-  const fixtureRoot = makeFixtureRoot(".tmp-matrix-runtime-");
-
-  writeOpenClawPackageFixture(fixtureRoot);
-  writeFixtureFile(
-    fixtureRoot,
-    "dist/plugin-entry.runtime-C88YIa_v.js",
-    MATRIX_RUNTIME_WRAPPER_SOURCE,
-  );
-  writeFixtureFile(
-    fixtureRoot,
-    "dist/plugin-entry.runtime.js",
-    'export * from "./plugin-entry.runtime-C88YIa_v.js";\n',
-  );
-  writeFixtureFile(
-    fixtureRoot,
-    "dist/extensions/matrix/plugin-entry.handlers.runtime.js",
-    PACKAGED_RUNTIME_STUB,
-  );
-
-  expectRuntimeWrapperExports(
-    await importFixtureModule(fixtureRoot, "dist/plugin-entry.runtime-C88YIa_v.js"),
-  );
-}, 240_000);
-
-it("does not load when only a TypeScript Matrix runtime shim exists", async () => {
-  const fixtureRoot = makeFixtureRoot(".tmp-matrix-runtime-ts-only-");
-
-  writeOpenClawPackageFixture(fixtureRoot);
-  writeSourceRuntimeWrapperFixture(fixtureRoot, { runtimeExtension: ".ts" });
-
-  await expect(
-    importFixtureModule(fixtureRoot, "extensions/matrix/src/plugin-entry.runtime.js"),
-  ).rejects.toThrow("Cannot resolve matrix plugin runtime module plugin-entry.handlers.runtime");
-}, 240_000);
diff --git a/extensions/matrix/src/resolve-targets.ts b/extensions/matrix/src/resolve-targets.ts
index ef2ef3387070..f313a69d8ec9 100644
--- a/extensions/matrix/src/resolve-targets.ts
+++ b/extensions/matrix/src/resolve-targets.ts
@@ -1,13 +1,13 @@
-// Matrix plugin module implements resolve targets behavior.
-import { normalizeOptionalLowercaseString } from "openclaw/plugin-sdk/string-coerce-runtime";
-import { listMatrixDirectoryGroupsLive, listMatrixDirectoryPeersLive } from "./directory-live.js";
-import { isMatrixQualifiedUserId, normalizeMatrixMessagingTarget } from "./matrix/target-ids.js";
 import type {
   ChannelDirectoryEntry,
   ChannelResolveKind,
   ChannelResolveResult,
-  RuntimeEnv,
-} from "./runtime-api.js";
+} from "openclaw/plugin-sdk/channel-contract";
+import type { RuntimeEnv } from "openclaw/plugin-sdk/runtime";
+// Matrix plugin module implements resolve targets behavior.
+import { normalizeOptionalLowercaseString } from "openclaw/plugin-sdk/string-coerce-runtime";
+import { listMatrixDirectoryGroupsLive, listMatrixDirectoryPeersLive } from "./directory-live.js";
+import { isMatrixQualifiedUserId, normalizeMatrixMessagingTarget } from "./matrix/target-ids.js";
 
 function normalizeLookupQuery(query: string): string {
   return normalizeOptionalLowercaseString(query) ?? "";
diff --git a/extensions/matrix/src/runtime-api.ts b/extensions/matrix/src/runtime-api.ts
deleted file mode 100644
index e4c479b422a5..000000000000
--- a/extensions/matrix/src/runtime-api.ts
+++ /dev/null
@@ -1,107 +0,0 @@
-// Matrix API module exposes the plugin public contract.
-export {
-  DEFAULT_ACCOUNT_ID,
-  normalizeAccountId,
-  normalizeOptionalAccountId,
-} from "openclaw/plugin-sdk/account-id";
-export {
-  createActionGate,
-  jsonResult,
-  readNumberParam,
-  readPositiveIntegerParam,
-  readReactionParams,
-  readStringArrayParam,
-  readStringParam,
-  ToolAuthorizationError,
-} from "openclaw/plugin-sdk/channel-actions";
-export { buildChannelConfigSchema } from "openclaw/plugin-sdk/channel-config-schema";
-export type { ChannelPlugin } from "openclaw/plugin-sdk/channel-core";
-export type {
-  BaseProbeResult,
-  ChannelDirectoryEntry,
-  ChannelGroupContext,
-  ChannelMessageActionAdapter,
-  ChannelMessageActionContext,
-  ChannelMessageActionName,
-  ChannelMessageToolDiscovery,
-  ChannelOutboundAdapter,
-  ChannelResolveKind,
-  ChannelResolveResult,
-  ChannelToolSend,
-} from "openclaw/plugin-sdk/channel-contract";
-export {
-  formatLocationText,
-  toLocationContext,
-  type NormalizedLocation,
-} from "openclaw/plugin-sdk/channel-inbound";
-export { logInboundDrop } from "openclaw/plugin-sdk/channel-inbound";
-export { logTypingFailure } from "openclaw/plugin-sdk/channel-outbound";
-export { resolveAckReaction } from "openclaw/plugin-sdk/channel-feedback";
-export type { ChannelSetupInput } from "openclaw/plugin-sdk/setup";
-export type {
-  OpenClawConfig,
-  ContextVisibilityMode,
-  DmPolicy,
-  GroupPolicy,
-} from "openclaw/plugin-sdk/config-contracts";
-export type { GroupToolPolicyConfig } from "openclaw/plugin-sdk/config-contracts";
-export type { WizardPrompter } from "openclaw/plugin-sdk/setup";
-export type { SecretInput } from "openclaw/plugin-sdk/secret-input";
-export {
-  GROUP_POLICY_BLOCKED_LABEL,
-  resolveAllowlistProviderRuntimeGroupPolicy,
-  resolveDefaultGroupPolicy,
-  warnMissingProviderGroupPolicyFallbackOnce,
-} from "openclaw/plugin-sdk/runtime-group-policy";
-export {
-  addWildcardAllowFrom,
-  formatDocsLink,
-  hasConfiguredSecretInput,
-  mergeAllowFromEntries,
-  moveSingleAccountChannelSectionToDefaultAccount,
-  promptAccountId,
-  promptChannelAccessConfig,
-  splitSetupEntries,
-} from "openclaw/plugin-sdk/setup";
-export type { RuntimeEnv } from "openclaw/plugin-sdk/runtime";
-export {
-  assertHttpUrlTargetsPrivateNetwork,
-  closeDispatcher,
-  createPinnedDispatcher,
-  isPrivateOrLoopbackHost,
-  resolvePinnedHostnameWithPolicy,
-  ssrfPolicyFromDangerouslyAllowPrivateNetwork,
-  type LookupFn,
-  type SsrFPolicy,
-} from "openclaw/plugin-sdk/ssrf-runtime";
-export {
-  ensureConfiguredAcpBindingReady,
-  resolveConfiguredAcpBindingRecord,
-} from "openclaw/plugin-sdk/acp-binding-runtime";
-export {
-  buildProbeChannelStatusSummary,
-  collectStatusIssuesFromLastError,
-  PAIRING_APPROVED_MESSAGE,
-} from "openclaw/plugin-sdk/channel-status";
-export {
-  getSessionBindingService,
-  resolveThreadBindingIdleTimeoutMsForChannel,
-  resolveThreadBindingMaxAgeMsForChannel,
-} from "openclaw/plugin-sdk/conversation-runtime";
-export { resolveOutboundSendDep } from "openclaw/plugin-sdk/channel-outbound";
-export { resolveAgentIdFromSessionKey } from "openclaw/plugin-sdk/routing";
-export { chunkTextForOutbound } from "openclaw/plugin-sdk/text-chunking";
-export { createChannelMessageReplyPipeline } from "openclaw/plugin-sdk/channel-outbound";
-export { loadOutboundMediaFromUrl } from "openclaw/plugin-sdk/outbound-media";
-export { normalizePollInput, type PollInput } from "openclaw/plugin-sdk/poll-runtime";
-export { writeJsonFileAtomically } from "openclaw/plugin-sdk/json-store";
-export {
-  buildChannelKeyCandidates,
-  resolveChannelEntryMatch,
-} from "openclaw/plugin-sdk/channel-targets";
-export { buildTimeoutAbortSignal } from "./matrix/sdk/timeout-abort-signal.js";
-export { formatZonedTimestamp } from "openclaw/plugin-sdk/time-runtime";
-export type { PluginRuntime, RuntimeLogger } from "openclaw/plugin-sdk/plugin-runtime";
-export type { ReplyPayload } from "openclaw/plugin-sdk/reply-runtime";
-// resolveMatrixAccountStringValues already comes from the Matrix API barrel.
-// Re-exporting auth-precedence here makes TS source loaders define the export twice.
diff --git a/extensions/matrix/src/runtime.ts b/extensions/matrix/src/runtime.ts
index 86ddcdffb997..fd42d381865a 100644
--- a/extensions/matrix/src/runtime.ts
+++ b/extensions/matrix/src/runtime.ts
@@ -1,6 +1,6 @@
+import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 // Matrix plugin module implements runtime behavior.
 import { createPluginRuntimeStore } from "openclaw/plugin-sdk/runtime-store";
-import type { PluginRuntime } from "./runtime-api.js";
 
 const {
   setRuntime: setMatrixRuntime,
diff --git a/extensions/matrix/src/session-route.test.ts b/extensions/matrix/src/session-route.test.ts
index 1d8dcca9e88d..20acd633ca90 100644
--- a/extensions/matrix/src/session-route.test.ts
+++ b/extensions/matrix/src/session-route.test.ts
@@ -2,13 +2,13 @@
 import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/config-contracts";
 import {
   normalizeSessionDeliveryState,
   upsertSessionEntry,
 } from "openclaw/plugin-sdk/session-store-runtime";
 import type { SessionEntry } from "openclaw/plugin-sdk/session-store-runtime";
 import { afterEach, describe, expect, it } from "vitest";
-import type { OpenClawConfig } from "./runtime-api.js";
 import { resolveMatrixOutboundSessionRoute } from "./session-route.js";
 
 const tempDirs = new Set<string>();
diff --git a/extensions/matrix/src/setup-bootstrap.ts b/extensions/matrix/src/setup-bootstrap.ts
index 15f27903b8b5..8450c5f05d8d 100644
--- a/extensions/matrix/src/setup-bootstrap.ts
+++ b/extensions/matrix/src/setup-bootstrap.ts
@@ -1,9 +1,9 @@
 import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime";
+import type { RuntimeEnv } from "openclaw/plugin-sdk/runtime";
 // Matrix plugin module implements setup bootstrap behavior.
 import { hasExplicitMatrixAccountConfig } from "./matrix/account-config.js";
 import { resolveMatrixAccountConfig } from "./matrix/accounts.js";
 import { bootstrapMatrixVerification } from "./matrix/actions/verification.js";
-import type { RuntimeEnv } from "./runtime-api.js";
 import type { CoreConfig } from "./types.js";
 
 type MatrixSetupVerificationBootstrapResult = {
diff --git a/extensions/matrix/src/test-runtime.ts b/extensions/matrix/src/test-runtime.ts
index d8b8d63e0597..2cbb622ea999 100644
--- a/extensions/matrix/src/test-runtime.ts
+++ b/extensions/matrix/src/test-runtime.ts
@@ -5,6 +5,7 @@ import {
   implicitMentionKindWhen,
   resolveInboundMentionDecision,
 } from "openclaw/plugin-sdk/channel-mention-gating";
+import type { PluginRuntime } from "openclaw/plugin-sdk/plugin-runtime";
 import type {
   OpenBlobStoreOptions,
   OpenKeyedStoreOptions,
@@ -17,7 +18,6 @@ import {
 } from "openclaw/plugin-sdk/plugin-state-test-runtime";
 import { resolvePreferredOpenClawTmpDir } from "openclaw/plugin-sdk/temp-path";
 import { afterAll, vi } from "vitest";
-import type { PluginRuntime } from "./runtime-api.js";
 import { setMatrixRuntime } from "./runtime.js";
 
 const defaultStateDir = fs.realpathSync(
diff --git a/extensions/matrix/src/tool-actions.ts b/extensions/matrix/src/tool-actions.ts
index 13ea3f757730..ec40a384e56c 100644
--- a/extensions/matrix/src/tool-actions.ts
+++ b/extensions/matrix/src/tool-actions.ts
@@ -1,5 +1,13 @@
 // Matrix plugin module implements tool actions behavior.
 import type { AgentToolResult } from "openclaw/plugin-sdk/agent-core";
+import {
+  createActionGate,
+  jsonResult,
+  readPositiveIntegerParam,
+  readReactionParams,
+  readStringArrayParam,
+  readStringParam,
+} from "openclaw/plugin-sdk/channel-actions";
 import { normalizeOptionalLowercaseString } from "openclaw/plugin-sdk/string-coerce-runtime";
 import { resolveMatrixAccountConfig } from "./matrix/accounts.js";
 import {
@@ -39,14 +47,6 @@ import { withAuthorizedMatrixReadTarget, type MatrixReadContext } from "./matrix
 import type { MatrixClient } from "./matrix/sdk.js";
 import { reactMatrixMessage } from "./matrix/send.js";
 import { applyMatrixProfileUpdate } from "./profile-update.js";
-import {
-  createActionGate,
-  jsonResult,
-  readPositiveIntegerParam,
-  readReactionParams,
-  readStringArrayParam,
-  readStringParam,
-} from "./runtime-api.js";
 import type { CoreConfig } from "./types.js";
 
 const messageActions = new Set(["sendMessage", "editMessage", "deleteMessage", "readMessages"]);
diff --git a/extensions/matrix/src/types.ts b/extensions/matrix/src/types.ts
index 3654b5ee7181..547f97c1994b 100644
--- a/extensions/matrix/src/types.ts
+++ b/extensions/matrix/src/types.ts
@@ -1,15 +1,13 @@
 // Matrix type declarations define plugin contracts.
 import type {
   ChannelBotLoopProtectionConfig,
-  MentionPatternsPolicyConfig,
-} from "openclaw/plugin-sdk/config-contracts";
-import type {
   ContextVisibilityMode,
   DmPolicy,
   GroupPolicy,
+  MentionPatternsPolicyConfig,
   OpenClawConfig,
-  SecretInput,
-} from "./runtime-api.js";
+} from "openclaw/plugin-sdk/config-contracts";
+import type { SecretInput } from "openclaw/plugin-sdk/secret-input";
 
 export type ReplyToMode = "off" | "first" | "all" | "batched";
 
diff --git a/src/channels/plugins/bundled.shape-guard.test.ts b/src/channels/plugins/bundled.shape-guard.test.ts
index 011de067aa0d..6763acd424f6 100644
--- a/src/channels/plugins/bundled.shape-guard.test.ts
+++ b/src/channels/plugins/bundled.shape-guard.test.ts
@@ -1103,10 +1103,7 @@ describe("bundled channel entry shape guards", () => {
   });
 
   it("keeps bundled hot runtime barrels off the broad core SDK surface", () => {
-    const offenders = [
-      "extensions/googlechat/runtime-api.ts",
-      "extensions/matrix/src/runtime-api.ts",
-    ].filter((filePath) =>
+    const offenders = ["extensions/googlechat/runtime-api.ts"].filter((filePath) =>
       fs.readFileSync(path.resolve(filePath), "utf8").includes("openclaw/plugin-sdk/core"),
     );
 
diff --git a/test/scripts/check-deadcode-exports.test.ts b/test/scripts/check-deadcode-exports.test.ts
index b51624e24b7f..70c847fc086c 100644
--- a/test/scripts/check-deadcode-exports.test.ts
+++ b/test/scripts/check-deadcode-exports.test.ts
@@ -241,9 +241,6 @@ describe("check-deadcode-exports", () => {
       ]),
     );
     expect(knipConfig.workspaces["extensions/diffs"].entry).toContain("src/viewer-client.ts!");
-    expect(knipConfig.workspaces["extensions/matrix"].entry).toContain(
-      "src/plugin-entry.runtime.js!",
-    );
     expect(knipConfig.workspaces["extensions/mxc"].entry).toContain("src/mxc-spawn-launcher.mjs!");
     expect(knipConfig.workspaces["extensions/qa-lab"].entry).toContain("src/ci-smoke-plan.ts!");
   });