diff --git a/package.json b/package.json
index bb682c6..e01b6db 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "exports": {
     ".": "./src/index.js",
-    "./runtime": "./src/index.js",
+    "./runtime": "./src/kitchen-runtime.js",
     "./scenarios": "./src/scenarios.js",
     "./setup": "./src/setup.js"
   },
@@ -51,7 +51,8 @@
     }
   },
   "scripts": {
-    "check": "npm run sync:surface -- --check && node scripts/check-sdk-surface.mjs && node scripts/check-kitchen-runtime.mjs && node scripts/check-kitchen-contract-probes.mjs && npm run plugin:inspect",
+    "acceptance:install": "node scripts/check-installed-package.mjs",
+    "check": "npm run sync:surface -- --check && node scripts/check-sdk-surface.mjs && node scripts/check-kitchen-runtime.mjs && node scripts/check-kitchen-contract-probes.mjs && npm run plugin:inspect && npm run acceptance:install",
     "pack:check": "node scripts/check-pack-payload.mjs",
     "plugin:inspect": "plugin-inspector check --config plugin-inspector.config.json --no-openclaw",
     "plugin:inspect:runtime": "PLUGIN_INSPECTOR_EXECUTE_ISOLATED=1 plugin-inspector check --config plugin-inspector.config.json --no-openclaw --runtime --mock-sdk",
diff --git a/scripts/check-installed-package.mjs b/scripts/check-installed-package.mjs
new file mode 100644
index 0000000..dcfc6aa
--- /dev/null
+++ b/scripts/check-installed-package.mjs
@@ -0,0 +1,132 @@
+#!/usr/bin/env node
+
+import assert from "node:assert/strict";
+import { spawnSync } from "node:child_process";
+import { mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import path from "node:path";
+
+const repoRoot = process.cwd();
+const tempRoot = mkdtempSync(path.join(tmpdir(), "kitchen-sink-install-"));
+const keepTemp = process.env.KEEP_KITCHEN_INSTALL_SMOKE === "1";
+let lastStdout = "";
+
+try {
+  const packDir = path.join(tempRoot, "pack");
+  mkdirSync(packDir, { recursive: true });
+  run("npm", ["pack", "--json", "--pack-destination", packDir], { cwd: repoRoot });
+  const packOutput = JSON.parse(lastStdout);
+  const tarball = path.join(packDir, packOutput[0].filename);
+
+  const projectDir = path.join(tempRoot, "consumer");
+  mkdirSync(projectDir, { recursive: true });
+  run("npm", ["init", "-y"], { cwd: tempRoot });
+  run("npm", ["install", "--prefix", projectDir, "--package-lock=false", "--ignore-scripts", "--no-audit", "--no-fund", tarball], {
+    cwd: tempRoot,
+  });
+
+  const packageDir = path.join(projectDir, "node_modules", "@openclaw", "kitchen-sink");
+  const installedPackageJson = JSON.parse(readFileSync(path.join(packageDir, "package.json"), "utf8"));
+  assert.equal(installedPackageJson.name, "@openclaw/kitchen-sink");
+  assert.equal(installedPackageJson.version, JSON.parse(readFileSync("package.json", "utf8")).version);
+
+  const probeFile = path.join(projectDir, "probe.mjs");
+  writeFileSync(probeFile, consumerProbeSource());
+  run(process.execPath, [probeFile], { cwd: projectDir });
+
+  const inspectorBin = path.join(repoRoot, "node_modules", ".bin", "plugin-inspector");
+  run(inspectorBin, ["check", "--config", "plugin-inspector.config.json", "--no-openclaw", "--runtime", "--mock-sdk"], {
+    cwd: packageDir,
+    env: {
+      ...process.env,
+      PLUGIN_INSPECTOR_EXECUTE_ISOLATED: "1",
+    },
+  });
+
+  console.log(`Installed package smoke OK: ${installedPackageJson.name}@${installedPackageJson.version}`);
+} finally {
+  if (!keepTemp) {
+    rmSync(tempRoot, { recursive: true, force: true });
+  } else {
+    console.log(`Kept install smoke temp dir: ${tempRoot}`);
+  }
+}
+
+function run(command, args, options = {}) {
+  const result = spawnSync(command, args, {
+    cwd: options.cwd,
+    env: options.env || process.env,
+    encoding: "utf8",
+    stdio: ["ignore", "pipe", "pipe"],
+  });
+  lastStdout = result.stdout;
+  if (result.status !== 0) {
+    process.stdout.write(result.stdout);
+    process.stderr.write(result.stderr);
+    process.exit(result.status ?? 1);
+  }
+}
+
+function consumerProbeSource() {
+  return String.raw`
+import assert from "node:assert/strict";
+import { plugin } from "@openclaw/kitchen-sink";
+import { createKitchenSinkRuntime } from "@openclaw/kitchen-sink/runtime";
+import { createKitchenSinkImageAsset, kitchenPromptGuidance } from "@openclaw/kitchen-sink/scenarios";
+import setup from "@openclaw/kitchen-sink/setup";
+
+const registrations = {};
+const api = new Proxy(
+  { id: "consumer-install-smoke", registrationMode: "full", config: {}, logger: console },
+  {
+    get(target, property) {
+      if (property in target) return target[property];
+      if (property === "on") {
+        return (...args) => {
+          registrations.on ??= [];
+          registrations.on.push(args);
+        };
+      }
+      if (typeof property !== "string" || !property.startsWith("register")) return undefined;
+      return (...args) => {
+        registrations[property] ??= [];
+        registrations[property].push(args);
+      };
+    },
+  },
+);
+
+plugin.register(api);
+assert.equal(plugin.id, "openclaw-kitchen-sink-fixture");
+assert.ok(registrations.registerImageGenerationProvider?.some(([provider]) => provider.id === "kitchen-sink-image"));
+assert.ok(registrations.registerProvider?.some(([provider]) => provider.id === "kitchen-sink-llm"));
+assert.ok(registrations.registerWebSearchProvider?.some(([provider]) => provider.id === "kitchen-sink-search"));
+assert.ok(registrations.registerChannel?.some(([channel]) => channel.id === "kitchen-sink-channel"));
+
+const runtime = createKitchenSinkRuntime({
+  delayMs: 10_000,
+  sleep: async () => {},
+  now: (() => {
+    let tick = 0;
+    return () => new Date(Date.UTC(2026, 3, 29, 12, 0, tick++));
+  })(),
+});
+const image = await runtime.runImageJob({ prompt: "generate an image with kitchen sink" });
+assert.equal(image.job.status, "completed");
+assert.equal(image.image.metadata.assetName, "kitchen_sink_office.png");
+assert.equal(image.image.metadata.sha256, "e126064123bb13d8ee01a22c204e079bc22397c103ed1c3a191c60d5ae3319aa");
+
+const directImage = createKitchenSinkImageAsset({
+  prompt: "consumer import smoke",
+  jobId: "ks_consumer_install_smoke",
+});
+assert.equal(directImage.mimeType, "image/png");
+assert.ok(directImage.dataUrl.startsWith("data:image/png;base64,"));
+assert.ok(kitchenPromptGuidance().some((line) => line.includes("kitchen_sink_image_job")));
+
+assert.equal(setup.id, "openclaw-kitchen-sink-setup");
+assert.equal(typeof setup.setup, "function");
+const setupResult = await setup.setup({ config: {} });
+assert.equal(setupResult.configured, true);
+`;
+}
diff --git a/scripts/check-pack-payload.mjs b/scripts/check-pack-payload.mjs
index 5acf9bc..38a4014 100644
--- a/scripts/check-pack-payload.mjs
+++ b/scripts/check-pack-payload.mjs
@@ -94,6 +94,12 @@ if (packageJson.dependencies?.openclaw !== buildOpenClawVersion) {
 if (!packageJson.files?.includes("src/")) {
   issues.push("package files must include src/");
 }
+if (packageJson.exports?.["./runtime"] !== "./src/kitchen-runtime.js") {
+  issues.push('package exports "./runtime" must point at "./src/kitchen-runtime.js"');
+}
+if (packageJson.exports?.["./scenarios"] !== "./src/scenarios.js") {
+  issues.push('package exports "./scenarios" must point at "./src/scenarios.js"');
+}
 
 if (issues.length > 0) {
   console.error(`Package payload check failed:\n- ${issues.join("\n- ")}`);