diff --git a/scripts/e2e/lib/doctor-install-switch/scenario.sh b/scripts/e2e/lib/doctor-install-switch/scenario.sh
index 9870108cd695..03f8faf1c4fd 100644
--- a/scripts/e2e/lib/doctor-install-switch/scenario.sh
+++ b/scripts/e2e/lib/doctor-install-switch/scenario.sh
@@ -22,6 +22,7 @@ mkdir -p "$git_root"
 # The git-style install fixture is unpacked from the tarball so this lane does
 # not depend on checkout source files being present in the Docker image.
 tar -xzf "$package_tgz" -C "$git_root" --strip-components=1
+node scripts/e2e/lib/package-git-fixture.mjs prepare "$git_root"
 (
   cd "$git_root"
   openclaw_e2e_maybe_timeout "${OPENCLAW_E2E_NPM_INSTALL_TIMEOUT:-600s}" npm install --omit=optional --no-fund --no-audit >/tmp/openclaw-git-install.log 2>&1
diff --git a/scripts/e2e/lib/package-git-fixture.mjs b/scripts/e2e/lib/package-git-fixture.mjs
new file mode 100644
index 000000000000..22504f8a878b
--- /dev/null
+++ b/scripts/e2e/lib/package-git-fixture.mjs
@@ -0,0 +1,64 @@
+#!/usr/bin/env node
+// Prepares package-derived Docker E2E fixtures for git-style npm installs.
+import fs from "node:fs";
+import path from "node:path";
+
+const [command, rootArg] = process.argv.slice(2);
+
+function usage() {
+  console.error("usage: package-git-fixture.mjs prepare <fixture-root>");
+  process.exit(2);
+}
+
+function readJson(file) {
+  return JSON.parse(fs.readFileSync(file, "utf8"));
+}
+
+function writeJson(file, value) {
+  fs.writeFileSync(file, `${JSON.stringify(value, null, 2)}\n`);
+}
+
+function withoutAiRuntimeDependency(value) {
+  if (!Array.isArray(value)) {
+    return value;
+  }
+  const next = value.filter((entry) => entry !== "@openclaw/ai");
+  return next.length > 0 ? next : undefined;
+}
+
+function prepare(root) {
+  const packageJsonPath = path.join(root, "package.json");
+  const packageJson = readJson(packageJsonPath);
+  const aiRuntimeSource = path.join(root, "node_modules", "@openclaw", "ai");
+  const aiRuntimePackageJson = path.join(aiRuntimeSource, "package.json");
+  if (!fs.existsSync(aiRuntimePackageJson)) {
+    return;
+  }
+
+  const aiRuntimeTarget = path.join(root, ".openclaw-fixture", "packages", "ai");
+  fs.rmSync(aiRuntimeTarget, { force: true, recursive: true });
+  fs.mkdirSync(path.dirname(aiRuntimeTarget), { recursive: true });
+  fs.renameSync(aiRuntimeSource, aiRuntimeTarget);
+
+  packageJson.dependencies ??= {};
+  packageJson.dependencies["@openclaw/ai"] = "file:.openclaw-fixture/packages/ai";
+  packageJson.bundleDependencies = withoutAiRuntimeDependency(packageJson.bundleDependencies);
+  packageJson.bundledDependencies = withoutAiRuntimeDependency(packageJson.bundledDependencies);
+  if (packageJson.bundleDependencies === undefined) {
+    delete packageJson.bundleDependencies;
+  }
+  if (packageJson.bundledDependencies === undefined) {
+    delete packageJson.bundledDependencies;
+  }
+  writeJson(packageJsonPath, packageJson);
+
+  // The shipped shrinkwrap points at the published package graph. This fixture is
+  // intentionally local-git shaped, so let npm resolve the staged file dependency.
+  fs.rmSync(path.join(root, "npm-shrinkwrap.json"), { force: true });
+}
+
+if (command !== "prepare" || !rootArg) {
+  usage();
+}
+
+prepare(path.resolve(rootArg));
diff --git a/scripts/e2e/update-channel-switch-docker.sh b/scripts/e2e/update-channel-switch-docker.sh
index 890517d7be61..500b6b0f08d5 100755
--- a/scripts/e2e/update-channel-switch-docker.sh
+++ b/scripts/e2e/update-channel-switch-docker.sh
@@ -55,6 +55,7 @@ git_root="/tmp/openclaw-git"
 mkdir -p "$git_root"
 # Build the fake git install from the packed package contents, not the checkout.
 tar -xzf "$package_tgz" -C "$git_root" --strip-components=1
+node scripts/e2e/lib/package-git-fixture.mjs prepare "$git_root"
 # The package-derived fixture can carry patchedDependencies whose targets are
 # absent from the trimmed tarball install; that should not block update preflight.
 node scripts/e2e/lib/update-channel-switch/assertions.mjs prepare-git-fixture "$git_root"
diff --git a/test/scripts/package-git-fixture.test.ts b/test/scripts/package-git-fixture.test.ts
new file mode 100644
index 000000000000..17425141967b
--- /dev/null
+++ b/test/scripts/package-git-fixture.test.ts
@@ -0,0 +1,51 @@
+// Package git fixture tests cover package-derived Docker git install fixtures.
+import { spawnSync } from "node:child_process";
+import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import { useAutoCleanupTempDirTracker } from "../helpers/temp-dir.js";
+
+describe("package git fixture", () => {
+  const tempDirs = useAutoCleanupTempDirTracker(afterEach);
+
+  it("stages bundled ai runtime as a local file dependency", async () => {
+    const root = tempDirs.make("openclaw-package-git-fixture-");
+    mkdirSync(path.join(root, "node_modules", "@openclaw", "ai"), { recursive: true });
+    writeFileSync(
+      path.join(root, "package.json"),
+      `${JSON.stringify(
+        {
+          dependencies: { "@openclaw/ai": "2026.6.11", chalk: "5.6.2" },
+          bundleDependencies: ["@openclaw/ai", "chalk"],
+        },
+        null,
+        2,
+      )}\n`,
+    );
+    writeFileSync(path.join(root, "npm-shrinkwrap.json"), "{}\n");
+    writeFileSync(
+      path.join(root, "node_modules", "@openclaw", "ai", "package.json"),
+      `${JSON.stringify({ name: "@openclaw/ai", version: "2026.6.11" })}\n`,
+    );
+
+    const result = spawnSync(
+      process.execPath,
+      ["scripts/e2e/lib/package-git-fixture.mjs", "prepare", root],
+      { cwd: process.cwd(), encoding: "utf8" },
+    );
+
+    expect(result.status, `${result.stdout}\n${result.stderr}`).toBe(0);
+    const packageJson = JSON.parse(readFileSync(path.join(root, "package.json"), "utf8"));
+    expect(packageJson.dependencies["@openclaw/ai"]).toBe("file:.openclaw-fixture/packages/ai");
+    expect(packageJson.bundleDependencies).toEqual(["chalk"]);
+    expect(() => readFileSync(path.join(root, "npm-shrinkwrap.json"), "utf8")).toThrow();
+    expect(
+      JSON.parse(
+        readFileSync(
+          path.join(root, ".openclaw-fixture", "packages", "ai", "package.json"),
+          "utf8",
+        ),
+      ).name,
+    ).toBe("@openclaw/ai");
+  });
+});