diff --git a/scripts/release-check.ts b/scripts/release-check.ts
index 54a7a5d451f..adebfcacaed 100755
--- a/scripts/release-check.ts
+++ b/scripts/release-check.ts
@@ -1,7 +1,16 @@
 #!/usr/bin/env -S node --import tsx
 
-import { execSync } from "node:child_process";
-import { readdirSync, readFileSync } from "node:fs";
+import { execFileSync, execSync } from "node:child_process";
+import {
+  existsSync,
+  mkdtempSync,
+  mkdirSync,
+  readdirSync,
+  readFileSync,
+  rmSync,
+  symlinkSync,
+} from "node:fs";
+import { tmpdir } from "node:os";
 import { join, resolve } from "node:path";
 import { pathToFileURL } from "node:url";
 import {
@@ -167,6 +176,77 @@ function runPackDry(): PackResult[] {
   return JSON.parse(raw) as PackResult[];
 }
 
+function runPack(packDestination: string): PackResult[] {
+  const raw = execFileSync(
+    "npm",
+    ["pack", "--json", "--ignore-scripts", "--pack-destination", packDestination],
+    {
+      encoding: "utf8",
+      stdio: ["ignore", "pipe", "pipe"],
+      maxBuffer: 1024 * 1024 * 100,
+    },
+  );
+  return JSON.parse(raw) as PackResult[];
+}
+
+function resolvePackedTarballPath(packDestination: string, results: PackResult[]): string {
+  const filenames = results
+    .map((entry) => entry.filename)
+    .filter((filename): filename is string => typeof filename === "string" && filename.length > 0);
+  if (filenames.length !== 1) {
+    throw new Error(
+      `release-check: npm pack produced ${filenames.length} tarballs; expected exactly one.`,
+    );
+  }
+  return resolve(packDestination, filenames[0]);
+}
+
+function linkRootNodeModules(packageRoot: string): void {
+  const rootNodeModules = resolve("node_modules");
+  if (!existsSync(rootNodeModules)) {
+    return;
+  }
+  symlinkSync(
+    rootNodeModules,
+    join(packageRoot, "node_modules"),
+    process.platform === "win32" ? "junction" : "dir",
+  );
+}
+
+function runPackedBundledChannelEntrySmoke(): void {
+  const tmpRoot = mkdtempSync(join(tmpdir(), "openclaw-release-pack-smoke-"));
+  try {
+    const packDir = join(tmpRoot, "pack");
+    const extractDir = join(tmpRoot, "extract");
+    mkdirSync(packDir);
+    mkdirSync(extractDir);
+
+    const packResults = runPack(packDir);
+    const tarballPath = resolvePackedTarballPath(packDir, packResults);
+    execFileSync("tar", ["-xzf", tarballPath, "-C", extractDir], { stdio: "inherit" });
+
+    const packageRoot = join(extractDir, "package");
+    linkRootNodeModules(packageRoot);
+    execFileSync(
+      process.execPath,
+      [
+        resolve("scripts/test-built-bundled-channel-entry-smoke.mjs"),
+        "--package-root",
+        packageRoot,
+      ],
+      {
+        stdio: "inherit",
+        env: {
+          ...process.env,
+          OPENCLAW_DISABLE_BUNDLED_ENTRY_SOURCE_FALLBACK: "1",
+        },
+      },
+    );
+  } finally {
+    rmSync(tmpRoot, { recursive: true, force: true });
+  }
+}
+
 export function collectMissingPackPaths(paths: Iterable<string>): string[] {
   const available = new Set(paths);
   return requiredPathGroups
@@ -444,7 +524,9 @@ async function main() {
     process.exit(1);
   }
 
-  console.log("release-check: npm pack contents look OK.");
+  runPackedBundledChannelEntrySmoke();
+
+  console.log("release-check: npm pack contents and bundled channel entrypoints look OK.");
 }
 
 if (import.meta.url === pathToFileURL(process.argv[1] ?? "").href) {
diff --git a/scripts/test-built-bundled-channel-entry-smoke.mjs b/scripts/test-built-bundled-channel-entry-smoke.mjs
index 603a0e55abf..b5439bddfdc 100644
--- a/scripts/test-built-bundled-channel-entry-smoke.mjs
+++ b/scripts/test-built-bundled-channel-entry-smoke.mjs
@@ -1,4 +1,5 @@
 import assert from "node:assert/strict";
+import fs from "node:fs";
 import path from "node:path";
 import { fileURLToPath, pathToFileURL } from "node:url";
 
@@ -37,10 +38,98 @@ function installProcessWarningFilter() {
 
 installProcessWarningFilter();
 
-const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
+process.env.OPENCLAW_DISABLE_BUNDLED_ENTRY_SOURCE_FALLBACK ??= "1";
 
-async function importBuiltModule(relativePath) {
-  return import(pathToFileURL(path.join(repoRoot, relativePath)).href);
+function parseArgs(argv) {
+  let packageRoot = process.env.OPENCLAW_BUNDLED_CHANNEL_SMOKE_ROOT;
+  for (let index = 0; index < argv.length; index += 1) {
+    const arg = argv[index];
+    if (arg === "--package-root") {
+      packageRoot = argv[index + 1];
+      index += 1;
+      continue;
+    }
+    if (arg?.startsWith("--package-root=")) {
+      packageRoot = arg.slice("--package-root=".length);
+      continue;
+    }
+    throw new Error(`unknown argument: ${arg}`);
+  }
+  return {
+    packageRoot: path.resolve(
+      packageRoot ?? path.resolve(path.dirname(fileURLToPath(import.meta.url)), ".."),
+    ),
+  };
+}
+
+const { packageRoot } = parseArgs(process.argv.slice(2));
+const distExtensionsRoot = path.join(packageRoot, "dist", "extensions");
+
+async function importBuiltModule(absolutePath) {
+  return import(pathToFileURL(absolutePath).href);
+}
+
+function readJson(pathname) {
+  return JSON.parse(fs.readFileSync(pathname, "utf8"));
+}
+
+function extensionEntryToDistFilename(entry) {
+  return entry.replace(/^\.\//u, "").replace(/\.[^.]+$/u, ".js");
+}
+
+function collectBundledChannelEntryFiles() {
+  const files = [];
+  for (const dirent of fs.readdirSync(distExtensionsRoot, { withFileTypes: true })) {
+    if (!dirent.isDirectory()) {
+      continue;
+    }
+    const extensionRoot = path.join(distExtensionsRoot, dirent.name);
+    const packageJsonPath = path.join(extensionRoot, "package.json");
+    if (!fs.existsSync(packageJsonPath)) {
+      continue;
+    }
+    const packageJson = readJson(packageJsonPath);
+    if (!packageJson.openclaw?.channel) {
+      continue;
+    }
+
+    const extensionEntries =
+      Array.isArray(packageJson.openclaw.extensions) && packageJson.openclaw.extensions.length > 0
+        ? packageJson.openclaw.extensions
+        : ["./index.ts"];
+    for (const entry of extensionEntries) {
+      if (typeof entry !== "string" || entry.trim().length === 0) {
+        continue;
+      }
+      files.push({
+        id: dirent.name,
+        kind: "channel",
+        path: path.join(extensionRoot, extensionEntryToDistFilename(entry)),
+      });
+    }
+
+    const setupEntry = packageJson.openclaw.setupEntry;
+    if (typeof setupEntry === "string" && setupEntry.trim().length > 0) {
+      files.push({
+        id: dirent.name,
+        kind: "setup",
+        path: path.join(extensionRoot, extensionEntryToDistFilename(setupEntry)),
+      });
+    }
+
+    const channelEntryPath = path.join(extensionRoot, "channel-entry.js");
+    if (fs.existsSync(channelEntryPath)) {
+      files.push({
+        id: dirent.name,
+        kind: "channel",
+        path: channelEntryPath,
+      });
+    }
+  }
+
+  return files.toSorted((left, right) =>
+    `${left.id}:${left.kind}:${left.path}`.localeCompare(`${right.id}:${right.kind}:${right.path}`),
+  );
 }
 
 function assertSecretContractShape(secrets, context) {
@@ -56,38 +145,78 @@ function assertSecretContractShape(secrets, context) {
   );
 }
 
-const telegramSetupEntry = (await importBuiltModule("dist/extensions/telegram/setup-entry.js"))
-  .default;
-assert.equal(
-  telegramSetupEntry.kind,
-  "bundled-channel-setup-entry",
-  "telegram setup entry kind mismatch",
-);
-const telegramSetupPlugin = telegramSetupEntry.loadSetupPlugin();
-assert.equal(telegramSetupPlugin?.id, "telegram", "telegram setup plugin failed to load");
-assertSecretContractShape(
-  telegramSetupEntry.loadSetupSecrets?.(),
-  "telegram setup entry packaged secrets",
-);
+function assertEntryFileExists(entry) {
+  assert.ok(
+    fs.existsSync(entry.path),
+    `${entry.id} ${entry.kind} entry missing from packed dist: ${entry.path}`,
+  );
+}
 
-const telegramEntry = (await importBuiltModule("dist/extensions/telegram/index.js")).default;
-assert.equal(telegramEntry.kind, "bundled-channel-entry", "telegram entry kind mismatch");
-const telegramPlugin = telegramEntry.loadChannelPlugin();
-assert.equal(telegramPlugin?.id, "telegram", "telegram channel plugin failed to load");
-assertSecretContractShape(
-  telegramEntry.loadChannelSecrets?.(),
-  "telegram channel packaged secrets",
-);
+async function smokeChannelEntry(entryFile) {
+  assertEntryFileExists(entryFile);
+  const entry = (await importBuiltModule(entryFile.path)).default;
+  assert.equal(entry.kind, "bundled-channel-entry", `${entryFile.id} channel entry kind mismatch`);
+  assert.equal(
+    typeof entry.loadChannelPlugin,
+    "function",
+    `${entryFile.id} channel entry missing loadChannelPlugin`,
+  );
+  const plugin = entry.loadChannelPlugin();
+  assert.equal(plugin?.id, entryFile.id, `${entryFile.id} channel plugin failed to load`);
+  if (entry.loadChannelSecrets) {
+    assertSecretContractShape(
+      entry.loadChannelSecrets(),
+      `${entryFile.id} channel entry packaged secrets`,
+    );
+  }
+}
 
-const slackSetupEntry = (await importBuiltModule("dist/extensions/slack/setup-entry.js")).default;
-assert.equal(
-  slackSetupEntry.kind,
-  "bundled-channel-setup-entry",
-  "slack setup entry kind mismatch",
-);
-assertSecretContractShape(
-  slackSetupEntry.loadSetupSecrets?.(),
-  "slack setup entry packaged secrets",
-);
+async function smokeSetupEntry(entryFile) {
+  assertEntryFileExists(entryFile);
+  const entry = (await importBuiltModule(entryFile.path)).default;
+  if (entry?.kind !== "bundled-channel-setup-entry") {
+    return false;
+  }
+  assert.equal(
+    entry.kind,
+    "bundled-channel-setup-entry",
+    `${entryFile.id} setup entry kind mismatch`,
+  );
+  assert.equal(
+    typeof entry.loadSetupPlugin,
+    "function",
+    `${entryFile.id} setup entry missing loadSetupPlugin`,
+  );
+  const plugin = entry.loadSetupPlugin();
+  assert.equal(plugin?.id, entryFile.id, `${entryFile.id} setup plugin failed to load`);
+  if (entry.loadSetupSecrets) {
+    assertSecretContractShape(
+      entry.loadSetupSecrets(),
+      `${entryFile.id} setup entry packaged secrets`,
+    );
+  }
+  return true;
+}
 
-process.stdout.write("[build-smoke] bundled channel entry smoke passed\n");
+const entryFiles = collectBundledChannelEntryFiles();
+let channelCount = 0;
+let setupCount = 0;
+let legacySetupCount = 0;
+
+for (const entryFile of entryFiles) {
+  if (entryFile.kind === "channel") {
+    await smokeChannelEntry(entryFile);
+    channelCount += 1;
+    continue;
+  }
+  if (await smokeSetupEntry(entryFile)) {
+    setupCount += 1;
+  } else {
+    legacySetupCount += 1;
+  }
+}
+
+assert.ok(channelCount > 0, "no bundled channel entries found");
+process.stdout.write(
+  `[build-smoke] bundled channel entry smoke passed packageRoot=${packageRoot} channel=${channelCount} setup=${setupCount} legacySetup=${legacySetupCount}\n`,
+);
diff --git a/src/plugin-sdk/channel-entry-contract.test.ts b/src/plugin-sdk/channel-entry-contract.test.ts
index ee2faf02c7f..042cf847cb8 100644
--- a/src/plugin-sdk/channel-entry-contract.test.ts
+++ b/src/plugin-sdk/channel-entry-contract.test.ts
@@ -14,6 +14,7 @@ afterEach(() => {
   }
   vi.resetModules();
   vi.doUnmock("jiti");
+  vi.unstubAllEnvs();
 });
 
 describe("loadBundledEntryExportSync", () => {
@@ -84,4 +85,39 @@ describe("loadBundledEntryExportSync", () => {
       platformSpy.mockRestore();
     }
   });
+
+  it("can disable source-tree fallback for dist bundled entry checks", () => {
+    const tempRoot = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-channel-entry-contract-"));
+    tempDirs.push(tempRoot);
+
+    fs.writeFileSync(path.join(tempRoot, "package.json"), '{"name":"openclaw"}\n', "utf8");
+    const pluginRoot = path.join(tempRoot, "dist", "extensions", "telegram");
+    const sourceRoot = path.join(tempRoot, "extensions", "telegram", "src");
+    fs.mkdirSync(pluginRoot, { recursive: true });
+    fs.mkdirSync(sourceRoot, { recursive: true });
+
+    const importerPath = path.join(pluginRoot, "index.js");
+    fs.writeFileSync(importerPath, "export default {};\n", "utf8");
+    fs.writeFileSync(
+      path.join(sourceRoot, "secret-contract.ts"),
+      "export const sentinel = 42;\n",
+      "utf8",
+    );
+
+    expect(
+      loadBundledEntryExportSync<number>(pathToFileURL(importerPath).href, {
+        specifier: "./src/secret-contract.js",
+        exportName: "sentinel",
+      }),
+    ).toBe(42);
+
+    vi.stubEnv("OPENCLAW_DISABLE_BUNDLED_ENTRY_SOURCE_FALLBACK", "1");
+
+    expect(() =>
+      loadBundledEntryExportSync<number>(pathToFileURL(importerPath).href, {
+        specifier: "./src/secret-contract.js",
+        exportName: "sentinel",
+      }),
+    ).toThrow(`resolved "${path.join(pluginRoot, "src", "secret-contract.js")}"`);
+  });
 });
diff --git a/src/plugin-sdk/channel-entry-contract.ts b/src/plugin-sdk/channel-entry-contract.ts
index 8e4323f2667..6e0d9fb3a42 100644
--- a/src/plugin-sdk/channel-entry-contract.ts
+++ b/src/plugin-sdk/channel-entry-contract.ts
@@ -67,6 +67,11 @@ export type BundledChannelSetupEntryContract<TPlugin = ChannelPlugin> = {
 const nodeRequire = createRequire(import.meta.url);
 const jitiLoaders = new Map<string, ReturnType<typeof createJiti>>();
 const loadedModuleExports = new Map<string, unknown>();
+const disableBundledEntrySourceFallbackEnv = "OPENCLAW_DISABLE_BUNDLED_ENTRY_SOURCE_FALLBACK";
+
+function isTruthyEnvFlag(value: string | undefined): boolean {
+  return value !== undefined && !/^(?:0|false)$/iu.test(value.trim());
+}
 
 function resolveSpecifierCandidates(modulePath: string): string[] {
   const ext = normalizeLowercaseStringOrEmpty(path.extname(modulePath));
@@ -140,6 +145,9 @@ function resolveBundledEntryModuleCandidates(
   if (!importerPath.startsWith(distExtensionsRoot)) {
     return candidates;
   }
+  if (isTruthyEnvFlag(process.env[disableBundledEntrySourceFallbackEnv])) {
+    return candidates;
+  }
 
   const pluginDirName = path.basename(importerDir);
   const sourcePluginRoot = path.join(packageRoot, "extensions", pluginDirName);