diff --git a/.claude/worktrees/agent-aa7c4635 b/.claude/worktrees/agent-aa7c4635
new file mode 160000
index 00000000..019dde6f
--- /dev/null
+++ b/.claude/worktrees/agent-aa7c4635
@@ -0,0 +1 @@
+Subproject commit 019dde6f917747b4682c65012bb02702028f46c1
diff --git a/games/age-of-dwarves/guide/e2e/diag.spec.ts b/games/age-of-dwarves/guide/e2e/diag.spec.ts
index 984439e4..0475c654 100644
--- a/games/age-of-dwarves/guide/e2e/diag.spec.ts
+++ b/games/age-of-dwarves/guide/e2e/diag.spec.ts
@@ -2,36 +2,42 @@ import { test, expect } from '@playwright/test'
 
 const BASE_URL = '/climate/simulation?noGui=true&skip=welcome&totalTurns=50&buffer=0'
 
-test('diagnose simulation load', async ({ page }) => {
+test('diagnose simulation - find 404s and worker failures', async ({ page }) => {
   const messages: string[] = []
   const errors: string[] = []
-  const networkReqs: string[] = []
+  const notFoundResources: string[] = []
 
-  page.on('console', msg => messages.push(`[${msg.type()}] ${msg.text()}`))
-  page.on('pageerror', err => errors.push(`[pageerror] ${err.message}`))
-  page.on('request', req => {
-    const url = req.url()
-    if (url.includes('worker') || url.includes('wasm') || url.includes('sim-cache') || url.includes('physics')) {
-      networkReqs.push(`REQ ${req.method()} ${url.slice(url.indexOf('/climate') > -1 ? url.indexOf('/climate') : url.length - 80)}`)
+  page.on('console', msg => {
+    const text = msg.text()
+    if (msg.type() === 'error' || text.includes('404') || text.includes('failed') || text.includes('error')) {
+      messages.push(`[page:${msg.type()}] ${text}`)
     }
   })
+  page.on('pageerror', err => errors.push(`[pageerror] ${err.message}`))
+
   page.on('response', res => {
-    const url = res.url()
-    if (url.includes('worker') || url.includes('wasm') || url.includes('sim-cache') || url.includes('physics')) {
-      networkReqs.push(`RES ${res.status()} ${url.slice(Math.max(0, url.length - 80))}`)
+    if (res.status() === 404 || res.status() >= 400) {
+      notFoundResources.push(`${res.status()} ${res.url()}`)
     }
   })
 
+  page.on('requestfailed', req => {
+    notFoundResources.push(`FAILED: ${req.url()} — ${req.failure()?.errorText}`)
+  })
+
+  page.on('worker', (worker) => {
+    messages.push(`[WORKER CREATED] ${worker.url()}`)
+  })
+
   await page.goto(BASE_URL)
-  await page.waitForTimeout(30000)
+  await page.waitForTimeout(15000)
 
-  console.log('=== CONSOLE MESSAGES ===')
-  for (const m of messages.slice(0, 50)) console.log(m)
-  console.log('=== NETWORK ===')
-  for (const r of networkReqs.slice(0, 30)) console.log(r)
-  console.log('=== ERRORS ===')
+  console.log('=== ERROR/RELEVANT CONSOLE MESSAGES ===')
+  for (const m of messages) console.log(m)
+  console.log('=== PAGE ERRORS ===')
   for (const e of errors) console.log(e)
+  console.log('=== 404 / FAILED RESOURCES ===')
+  for (const r of notFoundResources) console.log(r)
 
-  // Don't assert — just collect info
   expect(true).toBe(true)
 })
diff --git a/games/age-of-dwarves/guide/test-results/.last-run.json b/games/age-of-dwarves/guide/test-results/.last-run.json
index cbcc1fba..cfac8a6b 100644
--- a/games/age-of-dwarves/guide/test-results/.last-run.json
+++ b/games/age-of-dwarves/guide/test-results/.last-run.json
@@ -1,4 +1,6 @@
 {
-  "status": "passed",
-  "failedTests": []
+  "status": "failed",
+  "failedTests": [
+    "620c61f0a0b21e7686ea-28292657752f1295456f"
+  ]
 }
\ No newline at end of file