diff --git a/src/agents/anthropic-vertex-stream.ts b/src/agents/anthropic-vertex-stream.ts
index ecb6f60d774..c0d6e1d8e2e 100644
--- a/src/agents/anthropic-vertex-stream.ts
+++ b/src/agents/anthropic-vertex-stream.ts
@@ -1,10 +1,10 @@
+import type { StreamFn } from "@openclaw/llm-core";
 /**
  * Anthropic Vertex stream facade.
  * Keeps Vertex-specific provider implementation in the bundled provider plugin
  * while core imports a small stable factory.
  */
 import { loadBundledPluginPublicSurfaceModuleSync } from "../plugin-sdk/facade-runtime.js";
-import type { StreamFn } from "./runtime/index.js";
 
 type AnthropicVertexStreamFacade = {
   createAnthropicVertexStreamFn: (
diff --git a/src/agents/custom-api-registry.ts b/src/agents/custom-api-registry.ts
index e0ad35cb65e..1d4c5fe588d 100644
--- a/src/agents/custom-api-registry.ts
+++ b/src/agents/custom-api-registry.ts
@@ -2,6 +2,7 @@
  * Registers caller-supplied custom API stream functions with the LLM registry.
  */
 import type { ApiRegistry } from "@openclaw/ai";
+import type { StreamFn } from "@openclaw/llm-core";
 import type {
   Api,
   AssistantMessageEventStreamContract,
@@ -9,7 +10,6 @@ import type {
   StreamOptions,
 } from "../llm/types.js";
 import { createAssistantMessageEventStream } from "../llm/utils/event-stream.js";
-import type { StreamFn } from "./runtime/index.js";
 import { buildStreamErrorAssistantMessage } from "./stream-message-shared.js";
 
 const CUSTOM_API_SOURCE_PREFIX = "openclaw-custom-api:";
diff --git a/src/agents/google-simple-completion-stream.ts b/src/agents/google-simple-completion-stream.ts
index 54f8548a088..9bbabf5b72b 100644
--- a/src/agents/google-simple-completion-stream.ts
+++ b/src/agents/google-simple-completion-stream.ts
@@ -6,6 +6,7 @@ import type { ApiRegistry } from "@openclaw/ai";
  * backend but sanitizes unsupported thinking payload options for simple models.
  */
 import { clampThinkingLevel } from "@openclaw/ai/internal/runtime";
+import type { StreamFn } from "@openclaw/llm-core";
 import {
   sanitizeGoogleThinkingPayload,
   type GoogleThinkingInputLevel,
@@ -13,7 +14,6 @@ import {
 import { streamWithPayloadPatch } from "../llm/providers/stream-wrappers/stream-payload-utils.js";
 import type { Api, Model, ModelThinkingLevel } from "../llm/types.js";
 import { ensureCustomApiRegistered } from "./custom-api-registry.js";
-import type { StreamFn } from "./runtime/index.js";
 
 /** Custom API id for the Google simple-completion stream adapter. */
 const GOOGLE_SIMPLE_COMPLETION_API: Api = "openclaw-google-generative-ai-simple";
diff --git a/src/agents/session-transcript-repair.ts b/src/agents/session-transcript-repair.ts
index 470c38caa11..80291918190 100644
--- a/src/agents/session-transcript-repair.ts
+++ b/src/agents/session-transcript-repair.ts
@@ -1,3 +1,4 @@
+import type { AgentMessage } from "@openclaw/agent-core";
 /**
  * Transcript repair helpers for tool-call replay.
  *
@@ -9,7 +10,6 @@ import {
   normalizeOptionalString,
   readStringValue,
 } from "@openclaw/normalization-core/string-coerce";
-import type { AgentMessage } from "./runtime/index.js";
 import { isThinkingLikeBlock } from "./thinking-block.js";
 import {
   extractToolCallsFromAssistant,
diff --git a/src/agents/tool-call-id.ts b/src/agents/tool-call-id.ts
index 29049fc2360..651b99fe3aa 100644
--- a/src/agents/tool-call-id.ts
+++ b/src/agents/tool-call-id.ts
@@ -1,10 +1,10 @@
+import type { AgentMessage } from "@openclaw/agent-core";
 /**
  * Tool call id normalization and extraction helpers.
  *
  * Keeps provider-specific id formats replay-safe while preserving allowed native ids.
  */
 import { sha256HexPrefix } from "../infra/crypto-digest.js";
-import type { AgentMessage } from "./runtime/index.js";
 import { isThinkingLikeBlock } from "./thinking-block.js";
 import { isAllowedToolCallName, normalizeAllowedToolNames } from "./tool-call-shared.js";
 
diff --git a/src/llm/providers/stream-wrappers/stream-payload-utils.ts b/src/llm/providers/stream-wrappers/stream-payload-utils.ts
index 900f6401430..1004a701a09 100644
--- a/src/llm/providers/stream-wrappers/stream-payload-utils.ts
+++ b/src/llm/providers/stream-wrappers/stream-payload-utils.ts
@@ -1,5 +1,5 @@
 // Stream payload utilities normalize provider stream payload fields for wrappers.
-import type { StreamFn } from "../../../agents/runtime/index.js";
+import type { StreamFn } from "@openclaw/llm-core";
 
 /** Wraps a stream function and lets callers mutate outgoing provider payload objects. */
 export function streamWithPayloadPatch(
diff --git a/test/scripts/check-openclaw-package-tarball.test.ts b/test/scripts/check-openclaw-package-tarball.test.ts
index 9b98d7448f6..c08c9c1a73a 100644
--- a/test/scripts/check-openclaw-package-tarball.test.ts
+++ b/test/scripts/check-openclaw-package-tarball.test.ts
@@ -25,6 +25,7 @@ const AI_RUNTIME_PACKAGE_JSON = JSON.stringify({
   exports: {
     ".": { import: "./dist/index.mjs" },
     "./providers": { import: "./dist/providers.mjs" },
+    "./transports": { import: "./dist/transports.mjs" },
     "./internal/*": { import: "./dist/internal/*.mjs" },
   },
 });
@@ -650,6 +651,7 @@ describe("check-openclaw-package-tarball", () => {
         "node_modules/@openclaw/ai/package.json": AI_RUNTIME_PACKAGE_JSON,
         "node_modules/@openclaw/ai/dist/index.mjs": "export {};\n",
         "node_modules/@openclaw/ai/dist/providers.mjs": "export {};\n",
+        "node_modules/@openclaw/ai/dist/transports.mjs": "export {};\n",
         "node_modules/@openclaw/ai/dist/internal/runtime.mjs": "export {};\n",
       },
       (tarball) => {
@@ -679,6 +681,7 @@ describe("check-openclaw-package-tarball", () => {
         "dist/index.js": "export {};\n",
         "node_modules/@openclaw/ai/package.json": AI_RUNTIME_PACKAGE_JSON,
         "node_modules/@openclaw/ai/dist/index.mjs": "export {};\n",
+        "node_modules/@openclaw/ai/dist/transports.mjs": "export {};\n",
         "node_modules/@openclaw/ai/dist/internal/runtime.mjs": "export {};\n",
       },
       (tarball) => {
@@ -719,6 +722,7 @@ describe("check-openclaw-package-tarball", () => {
         }),
         "node_modules/@openclaw/ai/dist/index.mjs": "export {};\n",
         "node_modules/@openclaw/ai/dist/providers.mjs": "export {};\n",
+        "node_modules/@openclaw/ai/dist/transports.mjs": "export {};\n",
         "node_modules/@openclaw/ai/dist/internal/runtime.mjs": "export {};\n",
       },
       (tarball) => {