diff --git a/runtime/auth-broker/tests/helpers/native-fixture.js b/runtime/auth-broker/tests/helpers/native-fixture.js
new file mode 100644
index 0000000..0bf1c09
--- /dev/null
+++ b/runtime/auth-broker/tests/helpers/native-fixture.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const assert = require('node:assert/strict');
+
+// Only for intercepted test pages. A navigation response does not mean that the
+// selected document is loaded or that Chrome has painted its native window.
+async function settleFixture(connection) {
+  await connection.command('Page.bringToFront');
+  const ready = await connection.evaluate(`new Promise((resolve, reject) => {
+    const timer = setTimeout(() => reject(new Error('fixture render timed out')), 5000);
+    requestAnimationFrame(() => requestAnimationFrame(() => {
+      clearTimeout(timer);
+      resolve(document.readyState === 'complete' && document.visibilityState === 'visible');
+    }));
+  })`);
+  assert.equal(ready, true, 'fixture must be loaded and visible before native interaction');
+}
+
+async function navigateFixture(connection, url, readyExpression) {
+  const navigation = await connection.command('Page.navigate', { url });
+  assert.equal(navigation.errorText, undefined);
+  assert.ok(navigation.loaderId);
+  const deadline = Date.now() + 5000;
+  while (Date.now() < deadline) {
+    let ready = false;
+    try {
+      const { frameTree } = await connection.command('Page.getFrameTree');
+      ready = frameTree.frame.loaderId === navigation.loaderId
+        && await connection.evaluate('document.readyState') === 'complete'
+        && await connection.evaluate(readyExpression);
+    } catch { /* A previous document may be destroyed while navigation commits. */ }
+    if (ready) return settleFixture(connection);
+    await new Promise(resolve => setTimeout(resolve, 30));
+  }
+  assert.fail('requested fixture document did not load');
+}
+
+async function reportNativeFixture(connection) {
+  if (!connection) return;
+  try {
+    const state = await connection.evaluate(`(() => ({
+      ready: document.readyState, visibility: document.visibilityState,
+      focused: document.hasFocus(), activeTag: document.activeElement?.tagName,
+      viewport: [innerWidth, innerHeight, outerWidth, outerHeight],
+      scroll: [scrollX, scrollY], scale: devicePixelRatio,
+      fields: Array.from(document.querySelectorAll('input')).map(element => ({
+        type: element.type, filled: !!element.value, active: element === document.activeElement,
+        visible: element.offsetParent !== null, rect: element.getBoundingClientRect().toJSON(),
+      })),
+      buttons: Array.from(document.querySelectorAll('button')).map(element => ({
+        type: element.type, visible: element.offsetParent !== null,
+        rect: element.getBoundingClientRect().toJSON(),
+      })),
+    }))()`);
+    console.error('Native fixture state:', JSON.stringify(state));
+  } catch { /* Keep the original test failure when the target has closed. */ }
+}
+
+module.exports = { navigateFixture, settleFixture, reportNativeFixture };
diff --git a/runtime/auth-broker/tests/paycom-assistance-continuation.test.js b/runtime/auth-broker/tests/paycom-assistance-continuation.test.js
index b8e2f0b..19987a7 100644
--- a/runtime/auth-broker/tests/paycom-assistance-continuation.test.js
+++ b/runtime/auth-broker/tests/paycom-assistance-continuation.test.js
@@ -7,6 +7,7 @@ const path = require('node:path');
 const { ChromeBrowserRuntime } = require('../src/browser-runtime');
 const { CdpConnection, createTarget } = require('../src/cdp');
 const { paycomAdapter, SECURITY_QUESTION_PATH, CLIENT_LANDING_PATH, SNAPSHOT } = require('../../../plugins/paycom/backend/auth/adapter');
+const { navigateFixture, settleFixture, reportNativeFixture } = require('./helpers/native-fixture');
 
 test('CAPTCHA continuation stays on the original document and only submits unchanged retained PINs once', { timeout: 60000 }, async () => {
   const root = fs.mkdtempSync(path.join(os.tmpdir(), 'paycom-assistance-')); fs.chmodSync(root, 0o700);
@@ -39,19 +40,7 @@ test('CAPTCHA continuation stays on the original document and only submits uncha
         .catch(error => { if (!request.url.includes('example.com')) interceptionError = error; });
     });
     await connection.command('Page.enable'); await connection.command('Fetch.enable', { patterns: [{ urlPattern: '*' }] });
-    const load = async () => {
-      const navigation = await connection.command('Page.navigate', { url });
-      for (let i = 0; i < 100; i++) {
-        try {
-          const { frameTree } = await connection.command('Page.getFrameTree');
-          if (frameTree.frame.loaderId === navigation.loaderId
-              && await connection.evaluate('document.readyState') === 'complete'
-              && (await connection.evaluate(SNAPSHOT)).captchaPresent) return;
-        } catch {}
-        await new Promise(resolve => setTimeout(resolve, 30));
-      }
-      assert.fail('fixture page did not load');
-    };
+    const load = () => navigateFixture(connection, url, `(${SNAPSHOT}).captchaPresent`);
     for (const scenario of ['empty_before', 'still_visible', 'reloaded', 'cleared', 'changed', 'completed']) {
       await load();
       if (scenario === 'empty_before') await connection.evaluate('document.querySelector("#pin2").value=""; document.querySelector("#pin5").value=""');
@@ -63,6 +52,7 @@ test('CAPTCHA continuation stays on the original document and only submits uncha
       if (scenario !== 'still_visible') await connection.evaluate('document.querySelector("iframe").remove()');
       if (scenario === 'cleared') await connection.evaluate('document.querySelector("#pin2").value=""');
       if (scenario === 'changed') await connection.evaluate('document.querySelector("#pin2").value="different"');
+      await settleFixture(connection);
       let resumed = 0;
       const operation = paycomAdapter.completeBrowserAssistance(browser, context, { loginOnly: true,
         resumeAuthentication: async () => { resumed++; return { status: 'authenticated' }; } });
@@ -78,5 +68,8 @@ test('CAPTCHA continuation stays on the original document and only submits uncha
       if (scenario !== 'empty_before') assert.equal(resumed, 0);
       if (interceptionError) throw interceptionError;
     }
+  } catch (error) {
+    await reportNativeFixture(connection);
+    throw error;
   } finally { connection?.close(); await browser?.close(); fs.rmSync(root, { recursive: true, force: true }); }
 });
diff --git a/runtime/auth-broker/tests/paycom-native-window.test.js b/runtime/auth-broker/tests/paycom-native-window.test.js
index e96bde7..555cf31 100644
--- a/runtime/auth-broker/tests/paycom-native-window.test.js
+++ b/runtime/auth-broker/tests/paycom-native-window.test.js
@@ -8,6 +8,7 @@ const test = require('node:test');
 const { ChromeBrowserRuntime, processGroupAlive } = require('../src/browser-runtime');
 const { CdpConnection, createTarget } = require('../src/cdp');
 const adapter = require('../../../plugins/paycom/backend/auth/adapter');
+const { navigateFixture, reportNativeFixture } = require('./helpers/native-fixture');
 
 test('normal Chrome types exact PINs into locally intercepted forms and preserves the profile', { timeout: 60000 }, async () => {
   const root = fs.mkdtempSync(path.join(os.tmpdir(), 'dispatch-native-window-'));
@@ -54,7 +55,9 @@ test('normal Chrome types exact PINs into locally intercepted forms and preserve
       pair = indices;
       pending = new Promise((resolve, reject) => { resolvePost = resolve; rejectPost = reject; });
       pending.catch(() => {});
-      await connection.command('Page.navigate', { url });
+      await navigateFixture(connection, url,
+        `document.querySelector('input[name="firstIndex"]')?.value === ${JSON.stringify(String(pair[0]))}
+          && document.querySelector('input[name="secondIndex"]')?.value === ${JSON.stringify(String(pair[1]))}`);
       const current = await adapter.waitForState(connection, 5000, new Set(['security_questions_required']));
       await adapter.submitNativeChallenge(connection, credentials, current.snapshot.challenge, browser, AbortSignal.timeout(10000));
       const form = await pending;
@@ -81,6 +84,9 @@ test('normal Chrome types exact PINs into locally intercepted forms and preserve
     connection = await CdpConnection.connect(target2.webSocketDebuggerUrl);
     const cookies = (await connection.command('Network.getCookies', { urls: [url] })).cookies;
     assert.equal(cookies.some(cookie => cookie.name === 'fixture_cookie' && cookie.value === 'retained'), true);
+  } catch (error) {
+    await reportNativeFixture(connection);
+    throw error;
   } finally {
     connection?.close(); await browser?.close(); fs.rmSync(root, { recursive: true, force: true });
   }
diff --git a/tooling/ci-browser-smoke.js b/tooling/ci-browser-smoke.js
index 11eff77..d35424c 100644
--- a/tooling/ci-browser-smoke.js
+++ b/tooling/ci-browser-smoke.js
@@ -11,7 +11,9 @@ async function main() {
   const root = fs.mkdtempSync(path.join(os.tmpdir(), 'dispatch-ci-browser-'));
   fs.chmodSync(root, 0o700);
   let diagnostics = '', browser;
-  const runtime = new ChromeBrowserRuntime({ stateRoot: path.join(root, 'profiles'), directoryNetwork: false,
+  // This checks tool availability on a cold hosted runner, not startup latency.
+  // Production and the real browser tests retain their normal startup limits.
+  const runtime = new ChromeBrowserRuntime({ stateRoot: path.join(root, 'profiles'), directoryNetwork: false, startTimeoutMs: 60000,
     spawnImpl(command, args, options) {
       const stdio = [...options.stdio];stdio[2] = 'pipe';
       const child = spawn(command, args, { ...options, stdio });
diff --git a/tooling/platform-dependencies.json b/tooling/platform-dependencies.json
index d8a22f1..2f38568 100644
--- a/tooling/platform-dependencies.json
+++ b/tooling/platform-dependencies.json
@@ -1,9 +1,5 @@
 {
-  "url": null,
-  "sha256": null,
-  "description": "Development CI builds an isolated bundle from the exact Core commit. Before production publication, pin the Core release asset URL and SHA-256 through a reviewed PR.",
-  "developmentSource": {
-    "repository": "dispatch-core",
-    "commit": "90e29d2940eac250b15042e336661562cff72fe1"
-  }
+  "url": "https://github.com/dillonlille/dispatch-core/releases/download/v0.0.1/platform-packages.tar.gz",
+  "sha256": "b233ad949d4bfc931e19ef7e988c3e15e109241e9aa479cbdeb54404ac013990",
+  "description": "Use the verified platform package bundle published with Core 0.0.1 for DSP checks, builds, and releases. Upgrade the URL and SHA-256 together through a reviewed PR."
 }