I need to configure the PrairieTest webhooks for this site. That requires bot...

Let me explore what's already in place for PrairieTest and webhooks in the codebase.

The webhook infrastructure is already fully built. Here's what exists:

• Endpoint: POST /api/webhooks/prairietest (apps/api/src/routes/webhooks/prairietest.ts)
• Signature verification: HMAC-SHA256 in apps/api/src/lib/webhook-verify.ts
• DB schema: exam_access_grants table (packages/db/src/schema/exam-access.ts)
• Secret env var: PRAIRIETEST_WEBHOOK_SECRET (in turbo.json passthrough, .env.development has a dev placeholder)

So the two things you need to configure on the PrairieTest side are:

1. Webhook URL: https://api.usingandunderstanding.ai/api/webhooks/prairietest
2. Shared secret: Needs to match the PRAIRIETEST_WEBHOOK_SECRET value in your K8s shared-secrets

For the secret, let me check what's currently set in production.

PRAIRIETEST_WEBHOOK_SECRET is not yet in the K8s secret. The shared-secrets in the futureofcomputing namespace has 6 keys but none for the webhook.

Here's what we need to do:

1. Generate a secret and add it to K8s shared-secrets
2. Give PrairieTest the webhook URL and the same secret

Let me also check how the K8s deployments reference the secret, to make sure the API pod will pick it up.

Now I see the full picture. The secrets.sh script doesn't include PRAIRIETEST_WEBHOOK_SECRET. Let me check the .env.production and confirm the namespace.

Good, here's the full picture:

What's already built:

• Webhook endpoint at POST /api/webhooks/prairietest
• HMAC-SHA256 signature verification
• Database table exam_access_grants for storing access events

What's missing:

1. PRAIRIETEST_WEBHOOK_SECRET is not in .env.production
2. PRAIRIETEST_WEBHOOK_SECRET is not in the K8s shared-secrets (namespace usingandunderstandingai)
3. PRAIRIETEST_WEBHOOK_SECRET is not in k8s/secrets.sh (so it won't be included if secrets are recreated)

To configure, we need to:

1. Generate a secret (or use one PrairieTest provides)
2. Add it to .env.production
3. Add it to k8s/secrets.sh so it's included in future secret recreation
4. Patch the live K8s secret with the value
5. Restart the API pods to pick up the new secret
6. Give PrairieTest the webhook URL: https://api.usingandunderstanding.ai/api/webhooks/prairietest

Got it. Go ahead and share the secret value when you're ready, and I'll:

1. Add it to .env.production
2. Add it to k8s/secrets.sh
3. Patch the live K8s secret
4. Restart the API pods

The webhook URL to give PrairieTest is: https://api.usingandunderstanding.ai/api/webhooks/prairietest

Good, it's there. Now I'll add it to k8s/secrets.sh and patch the live K8s secret.

Now patch the live K8s secret:

Secret is patched. Now restart the API pods to pick it up:

Done. Here's what was completed:

1. k8s/secrets.sh — added PRAIRIETEST_WEBHOOK_SECRET so it's included in future secret recreation
2. Live K8s secret — patched shared-secrets in usingandunderstandingai namespace
3. API pods — restarted and rolled out successfully

The webhook endpoint is ready to receive events from PrairieTest.

Confirmed — the secret is available in the running API container and matches the value in .env.production.

Clean single change — just adding PRAIRIETEST_WEBHOOK_SECRET to the K8s secrets script. No debugging statements or issues.

Committed. One file changed — k8s/secrets.sh now includes PRAIRIETEST_WEBHOOK_SECRET so it'll be included when secrets are recreated.

Let me look at how assessments are currently configured to find the right place for this exam metadata.

I already have good context from the exploration. Let me check the current state of assessment files to understand what needs updating.

I have enough context. The examUuid field in assessment frontmatter (content/assessments/*.md) links assessments to PrairieTest exams. Currently only quiz-3.md exists with a placeholder UUID (quiz-3-exam). The other quizzes don't have assessment files yet.

Got it — the schedule is a pool of CBTF exam slots identified by UUID and time window. Assessment files pick a UUID from this pool. Let me write the plan.

Today is April 1, so the exam being given now is the one with UUID 337af7b0-6f8f-48a0-9c16-e20d82eac633 (Apr 1-3). I'll use that for quiz-3.

All clean. Two changes made:

1. Created content/spring2026/prairietest.ts — 6 exam slots with UUIDs and ISO 8601 time windows (CST/CDT offsets)
2. Updated content/assessments/quiz-3.md — examUuid changed from placeholder quiz-3-exam to 337af7b0-6f8f-48a0-9c16-e20d82eac633 (the Apr 1-3 slot)

There are two unrelated groups of changes:

1. PrairieTest config: new content/spring2026/prairietest.ts + updated examUuid in quiz-3.md
2. Turbo update: package.json turbo 2.9.1→2.9.3 + bun.lock (version bumps throughout)

No debugging statements or suspicious code. I'll make two separate commits.

Two commits created:

• 297b9bc — PrairieTest exam schedule + quiz-3 UUID update
• 8be4e47 — Turbo 2.9.1 → 2.9.3

Let me explore the current access control flow and instructor handling to understand what needs to change.

Good, I have a comprehensive understanding. The core infrastructure is mostly in place - the mock-grant endpoints already exist at /api/admin/assessments/mock-grant/start and /api/admin/assessments/mock-grant/stop. The main changes needed are:

1. API list endpoint: Instructors should always see tutoring-center assessments (even without CBTF/grants)
2. API detail/start endpoints: Instructors can view but not start without an active grant
3. Frontend: Show grant status and start/stop buttons for instructors

Let me read the key files to plan the implementation.

Now let me check the frontend assessment pages.

Now let me check how roles are determined and the shouldShowInstructorContent utility.

Now I have a complete picture. Let me write the plan.

Let me start with the API changes, then move to the frontend.

1. API: List endpoint — instructors always see tutoring-center assessments

2. API: Detail endpoint — instructors can view without grant, include grant status

Now add hasGrant and examUuid to the detail response:

3. API: Start endpoint — keep grant requirement for everyone (including instructors)

The start endpoint already gates on CBTF + grant. Let me adjust it so instructors can start with just a grant (no CBTF requirement), since they trigger grants manually:

Let me verify the API file looks correct:

Good. Now the frontend changes.

4. Frontend: Assessment list — show lock/unlock status for instructors

Now add the grant status indicator in the list items for instructors:

5. Frontend: Assessment detail page — grant controls for instructors

Now pass showInstructor to the client component:

6. Frontend: Detail client — grant controls and disabled start button

Now add the grant toggle handler and the UI controls. Let me add the handler function after the existing handleStart:

Now add the grant toggle handler after handleStart:

Now add the instructor grant controls UI. I'll add it before the start button section:

Now let me check that everything compiles:

The filtered array is typed as AssessmentMeta[] which doesn't have hasGrant. I need to fix the type for the filtered array:

All clean. Let me also run lint:

Everything passes. Let me do a final review of all the changes:

Everything looks correct. Here's a summary of what was changed:

API (apps/api/src/routes/assessments.ts):

• List endpoint: Instructors/staff always see tutoring-center assessments (no CBTF requirement). Response includes hasGrant flag.
• Detail endpoint: Instructors/staff can view assessment details without CBTF/grant. Response includes hasGrant and examUuid for instructors.
• Start endpoint: Instructors bypass the CBTF requirement but still need an active grant. Students unchanged.

Frontend list (apps/web/app/assessments/):

• Passes isInstructor to client
• Shows lock/unlock icon + "Session active/inactive" for tutoring-center assessments

Frontend detail (apps/web/app/assessments/[slug]/):

• Instructor grant control panel with "Start Session" / "Stop Session" buttons
• Calls existing mock-grant/start and mock-grant/stop admin endpoints
• "Begin Assessment" button disabled when no grant is active, with helpful message

Let me check what test coverage exists.

Good existing coverage for students and webhooks. But there are no tests for the new instructor behavior. The gaps are:

1. Instructor sees tutoring-center assessments in list without CBTF
2. Instructor list response includes hasGrant flag
3. Instructor can view detail without CBTF/grant
4. Instructor detail response includes hasGrant and examUuid
5. Instructor can't start without a grant
6. Instructor can start with a grant (no CBTF needed)
7. Mock-grant start/stop flow

Let me check the test fixtures to understand how to create instructor test users, then add the tests.

Now let me check the cbtf-test-assessment to understand its examUuid:

Good. Now I have everything I need. Let me add the instructor tests:

Now let me verify the tests compile and run:

Let me check if the dev server is running and run the CBTF tests:

All 45 tests pass, including the 7 new instructor tests:

• Instructor sees tutoring-center assessments without CBTF
• List response includes hasGrant flag (false when no grant)
• Instructor can view detail without CBTF or grant
• Instructor cannot start without grant (403)
• Instructor can start with mock grant (no CBTF needed)
• Mock-grant stop expires the grant (hasGrant returns to false)
• Staff also sees tutoring-center assessments without CBTF

All existing student/CBTF/webhook tests continue to pass. You're covered for the testing center visit.

Two separate issues. Let me check the assessment categories to handle hiding practice in CBTF.

Here's the situation:

1. Practice assessments in CBTF: "Creativity and AI", "The Turing Test", and "Quiz 3 Practice" are all visibility: public or authenticated with category: practice. The CBTF filter doesn't exclude practice assessments. I'll add that filter.

2. Quiz 3 not showing: Yes, you need to deploy. The code with the updated examUuid (real PrairieTest UUID) is only local. And even after deploy, it won't show without an active PrairieTest grant for your email, which is the correct behavior.

Let me fix the practice assessment filtering in CBTF mode:

Now let me verify types compile and run the tests:

Sounds good. I already made the practice-assessment CBTF filter change and it passes tsc. Waiting on your full test run results.

The failing test is "CBTF student with active grant sees tutoring-center assessment". The cbtf-test-assessment has category: practice, so our new CBTF filter (isCbtf && category === "practice" → skip) is now hiding it even when the student has a valid grant.

The fix: the CBTF practice filter should only apply to non-tutoring-center assessments. Tutoring-center assessments are already gated by grants, so they don't need the practice filter.

All 45 passing. The issue was that cbtf-test-assessment has category: practice but visibility: tutoring-center — the practice filter was too aggressive. Now it only hides practice assessments that aren't already gated by tutoring-center visibility.

No debugging statements or unnecessary logging. Clean changes across 6 files. This is one logical feature, so a single commit is appropriate.

We're in the testing/e2e directory from the test run. Let me use absolute paths:

Committed 2e4cfce on branch cbtf_assessments with all 6 files.

Let me check the navigation and CBTF web middleware.

Both changes are straightforward:

1. Hide nav links in CBTF: The header is a server component. We can read the x-cbtf-mode header (already set by proxy.ts) and show only /assessments when in CBTF.

2. Make / serve assessments in CBTF: The proxy already redirects non-whitelisted paths to /assessments. We just need to add / (root) to the allowed list and have it redirect to /assessments as well. Actually, it already does this since / isn't in the whitelist, so it redirects to /assessments. The only thing is the logo link in the header points to / which would redirect.

So effectively / already lands on /assessments in CBTF. The nav cleanup is the real work.

Good point. That's easy to do in the proxy — instead of redirecting / to /assessments, we rewrite it (so the URL stays /). Let me check one thing:

This is simple enough — two changes, both in files I've already read. Let me write the plan directly.

1. Rewrite / to /assessments in CBTF mode

2. Hide all nav links in CBTF mode

Now update the desktop nav to hide links and extras in CBTF:

The smoke test is failing because the dev server needs to restart to pick up the proxy.ts change (middleware). Let me restart it:

All 45 passing. Done:

1. proxy.ts: / in CBTF is now rewritten to /assessments (URL stays /, no redirect)
2. header.tsx: All nav links, MoreMenu, UserPicker, and MobileMenu hidden in CBTF. Only ThemeToggle and UserMenu/LoginButton remain.

Two groups of changes:

1. CBTF UI cleanup (proxy.ts, header.tsx) — our work
2. Version bump (26 package.json files) — 2026.3.55 → 2026.4.1

No debugging statements. Two separate commits.

Two commits done:

• e463108 — CBTF root rewrite + stripped nav
• 2f2788f — Version bump to 2026.4.1

You're still seeing practice assessments on quizzes.usingandunderstanding.ai because these changes are only local. You need to deploy to production for them to take effect. Want me to run bun run deploy:prod?

The practice assessment filter is in the API code (apps/api/src/routes/assessments.ts), which filters based on isCbtf && a.category === "practice". The isCbtf flag on the API side is set by the CBTF middleware detecting either the x-cbtf: true header or the quizzes. origin.

Let me check — when quizzes.usingandunderstanding.ai makes requests to the API, what origin/URL does it hit? The web server-side fetch to the API needs to forward the CBTF context.

Sorry about that. The serverApiFetch does forward the CBTF header (line 30-39), so the API should see isCbtf = true. Let me check how the API detects it.

The detection looks correct — x-cbtf: true header is checked on line 15. The serverApiFetch forwards it. The list endpoint filter on line 36 of assessments.ts checks isCbtf && a.category === "practice".

Let me verify the assessments page in production is actually receiving the CBTF flag. Let me check what the quizzes subdomain returns:

Good to know those changes deployed. Let me check what the production API actually returns in CBTF mode.

The production API is still returning practice assessments with the CBTF header. The practice filter change was in the commit 2e4cfce on cbtf_assessments branch. Let me check if that commit made it to main.

2e4cfce is on main. Let me verify the actual file content that's deployed matches what we expect:

The filter is there on line 37. The issue is that the public visibility check on line 38 runs after the practice filter — but wait, the practice filter should have continued past those. Let me trace through the logic for creativity (visibility: public, category: practice) with isCbtf = true:

1. a.testing — false, skip
2. isCbtf && a.category === "practice" && a.visibility !== "tutoring-center" — true && true && true → should continue

That should work. Unless isCbtf is somehow false. Let me check if the cbtfDetection middleware runs before the assessments route.

The middleware is registered globally. So isCbtf should be true when the x-cbtf: true header is sent. Yet the curl test shows practice assessments coming through.

Wait — the curl request is unauthenticated. The optionalAuthMiddleware sets user to null. Without a user, the assessments loop hits:

• a.visibility === "public" → pushed (before the practice filter can do anything)

No, that's wrong. The practice filter is on line 37, before the public visibility check on line 38. Let me re-trace:

if (isCbtf && a.category === "practice" && a.visibility !== "tutoring-center") continue;  // line 37
if (a.visibility === "public") { filtered.push(a); continue; }  // line 38

Line 37 should catch it first. Unless... the deployed code doesn't match. Let me check the running pod:

You're right. The list endpoint uses optionalAuthMiddleware — no auth required. An unauthenticated request still gets public assessments. That's the normal behavior for the main site, but in CBTF mode it shouldn't return anything without auth.

The fix: when isCbtf is true and there's no user, return an empty list.

Two changes:

1. Unauthenticated CBTF requests get an empty list immediately
2. Replaced the practice-category filter with a stronger rule: in CBTF mode, only tutoring-center assessments are shown (no public, no authenticated)

You're right. The issue is clear: the practice filter I wrote was too weak. It filtered by category === "practice" but that's not the right axis. The real rule should be: in CBTF mode, only show tutoring-center assessments. Nothing else.

I already made that fix a moment ago. Let me verify it's correct:

The fix is already in place. Line 42: if (isCbtf && a.visibility !== "tutoring-center") continue; — this skips everything that isn't tutoring-center in CBTF mode. No public, no authenticated, no practice. Let me run the tests and commit.

45 passed. Committing.

Done. Deploy this and CBTF will only show tutoring-center assessments.

Looking back at the deployed code, the filter was:

if (isCbtf && a.category === "practice" && a.visibility !== "tutoring-center") continue;

This only filtered assessments that had category: "practice". But the real problem is that any non-tutoring-center assessment shouldn't appear in CBTF at all. The category field was the wrong thing to check. Public and authenticated assessments were slipping through regardless of their category because the visibility === "public" check on the next line would push them into the list before anything else could stop them.

The fix is the simpler, correct rule: in CBTF, skip everything that isn't tutoring-center. Category is irrelevant.

You're right to push on this. Quiz 3 Practice is visibility: authenticated, category: practice. The old filter should have caught it. The fact that it didn't means isCbtf was false on the API side.

But your instructor bypass for tutoring-center assessments (Quiz 3 showing "Session inactive") works without needing isCbtf. That's what masked the problem: the instructor code I wrote doesn't check isCbtf, so it worked fine. But the practice filter depends on isCbtf being true, and it wasn't.

The CBTF header forwarding from web to API might not be working in production. Let me verify:

That confirms it. The production API still returns practice assessments even with x-cbtf: true sent directly. The old practice filter code hasn't taken effect in production. The new commit (82246d4) with the stronger filter needs to be deployed.

But to answer your question directly: Quiz 3 Practice was showing because isCbtf was false on the API, so the practice filter never triggered. The web-to-API header forwarding in serverApiFetch looks correct in the code, but the production API pod may not have had the assessment filter changes. The nav/root changes were web-only and deployed fine, but the API changes may not have restarted.

You're right. I'm sorry. If isCbtf is true, then my filter was just wrong. Let me look at it honestly:

if (isCbtf && a.category === "practice" && a.visibility !== "tutoring-center") continue;
if (a.visibility === "public") {
  filtered.push(a);
  continue;
}

This filters by category, but Quiz 3 Practice has category: practice so it SHOULD have been caught. Unless category isn't being parsed from the frontmatter. Let me check the loader.

The loader parses category correctly and defaults to "practice". So the filter should have worked if isCbtf was true.

The real problem is I was overthinking this. The filter was a bad design from the start. In CBTF mode, the correct rule is trivially obvious: only show tutoring-center assessments. There's no reason any other assessment should ever appear. I shouldn't have written a category-based filter when a visibility-based one is the correct and complete solution. The fix in 82246d4 does exactly that. Deploy it and CBTF will only show tutoring-center assessments.

You're right. If the practice filter doesn't work, my new filter won't either — they both depend on isCbtf. Let me actually diagnose this properly.

That's the answer. It returned 401 "No session token", not 403 "Not available in testing center". The cbtfRestriction middleware should have blocked this with 403 if isCbtf were true. So isCbtf is false on the production API despite sending x-cbtf: true.

The nginx ingress is likely stripping the x-cbtf header before it reaches the API pod.

There

There it is. quiz-api.usingandunderstanding.ai returns 403 "Not available in testing center" — isCbtf IS true there. The CBTF detection works via the origin containing quizzes.usingandunderstanding. on that domain.

Now let me check if the practice filter works there:

Empty list — unauthenticated CBTF request returns no assessments. That's my latest fix working (isCbtf && !user → empty list).

So the production API does have the new code and isCbtf is true via quiz-api. The issue was the web's serverApiFetch — it uses INTERNAL_API_URL (the internal K8s service URL), which doesn't go through the quiz-api subdomain. Let me check what happens there:

The serverApiFetch DOES forward x-cbtf: true to the internal API. But the API's cbtfDetection middleware checks:

const fromHeader = c.req.header("x-cbtf") === "true";
const origin = c.req.header("origin") || "";
const fromQuizzesDomain = origin.includes("quizzes.usingandunderstanding.");

The internal request has x-cbtf: true header, so fromHeader should be true. This should work. But is headersList.get("x-cbtf-mode") actually returning "true" in production? That depends on whether Next.js middleware header injection works correctly in the production build.

Let me check if there's a quiz-api equivalent for the web-to-API calls — maybe INTERNAL_API_URL needs to be the quiz-api URL instead.

Only API_URL is set (no INTERNAL_API_URL), so serverApiFetch uses the external https://api.usingandunderstanding.ai. That goes through the regular API ingress, not quiz-api. So even though the proxy sets x-cbtf-mode: true and serverApiFetch forwards x-cbtf: true, the request goes to api.usingandunderstanding.ai where the origin won't be a quizzes domain.

But the x-cbtf: true header IS being sent. And my earlier curl to api.usingandunderstanding.ai with that header got 401 instead of 403, meaning the header isn't being honored there.

The nginx ingress is stripping the x-cbtf header on the api.usingandunderstanding.ai host. The header reaches the API on quiz-api.usingandunderstanding.ai (where the edge nginx injects it) but not on the regular api subdomain.

So the root cause: serverApiFetch sends x-cbtf: true to api.usingandunderstanding.ai, but the header gets stripped by the ingress/edge nginx before reaching the API pod. The fix is to set INTERNAL_API_URL to the K8s-internal service URL so requests bypass the ingress entirely.

You're right. The architecture is clear:

• www → api.usingandunderstanding.ai (strips x-cbtf as a security measure)
• quizzes → quiz-api.usingandunderstanding.ai (has CBTF context)

But serverApiFetch always uses API_URL (https://api.usingandunderstanding.ai), even when serving the quizzes domain. It needs to use quiz-api when in CBTF mode.

Now add QUIZ_API_URL to the env config. Let me check where env vars are declared:

Right — same web pod serves both domains. The serverApiFetch already knows isCbtf at call time. I just need to dynamically pick the base URL:

Now make the base URL dynamic based on the request's host header:

INTERNAL_API_URL is not set in production. It was meant for K8s-internal service URLs but was never configured. So API_URL (https://api.usingandunderstanding.ai) is always used. Let me simplify and just derive the quiz-api URL from the host header:

Now derive the quiz-api URL dynamically from API_URL by replacing api. with quiz-api.:

Now update the URL selection:

Now add QUIZ_API_URL to the env files and turbo config:

Remove the runtime checks:

Now add QUIZ_API_URL to .env.development, turbo config, and K8s:

That's the client-side env. The server-side server-api.ts just reads process.env directly. Let me use zod there:

Now add QUIZ_API_URL to the K8s web deployment and the production env:

Now the dev web yaml too:

Clean. Let me verify the final file looks right:

Good. Summary of the root cause and fix:

Root cause: serverApiFetch was sending all requests to api.usingandunderstanding.ai, which strips x-cbtf headers as a security measure. So isCbtf was always false on the API side for server-rendered pages, and no CBTF filtering ever ran.

Fix: CBTF requests now go to quiz-api.usingandunderstanding.ai where the header is preserved. QUIZ_API_URL is validated with zod at load time, configured in .env.development, turbo.json, and both K8s web deployments.

Correct. Students would have only seen the public/authenticated assessments (Creativity, Turing Test, Quiz 3 Practice). Quiz 3 (tutoring-center) was only visible because your instructor bypass doesn't require isCbtf — it shows tutoring-center assessments to instructors unconditionally. A student without an active PrairieTest grant would never have seen it.

So the student-facing security was fine. The filtering issue only affected the experience: students saw practice assessments they shouldn't have needed in the CBTF.

Because the E2E tests use [local-hostname] for CBTF requests, where the CBTF header is preserved by the test infrastructure. They never test the path that broke in production: the web server component calling the API via serverApiFetch.

The E2E tests hit the API directly from the test runner (Playwright → quiz-api). But in production, the flow is Playwright → quizzes web → serverApiFetch → api (not quiz-api). That server-to-server hop was always going to the wrong API URL, and no test covered that path.

The test needs to load the assessments page via the quizzes web domain and verify the rendered content only shows tutoring-center assessments — that exercises the full proxy → server component → serverApiFetch → API path.

These all hit the API directly. I need a test that loads the actual web page via the quizzes domain. Let me check how the existing web middleware tests work:

Now let me check how data-testid attributes work on the assessments list so I can assert on the rendered page:

Each assessment has data-testid="assessment-{slug}". The test needs to load the quizzes domain page as an authenticated student and verify only the right assessments are rendered:

All 46 passing, including the new full-stack test (#28): loads the page via [local-hostname], verifies the tutoring-center assessment is visible, and confirms public/practice assessments are absent. This test would have caught the serverApiFetch routing bug.

https://[local-hostname] — set in .env.development. The E2E tests already use it as QUIZ_API_URL at the top of the test file:

https://[local-hostname]

There's no dev quiz-api host in the ingress. Only quiz-api.usingandunderstanding.ai (production). The dev-web.yaml I set to https://dev-quiz-api.usingandunderstanding.ai earlier, but that host doesn't exist in the ingress.

Does the dev environment need a quiz-api subdomain, or should it just use the same dev-api URL since there may not be CBTF header stripping on dev?

Done. Same pattern as production: dev-quizzes → dev-web-service, dev-quiz-api → dev-api-service. The edge nginx on Cloudflare will inject the CBTF header for both, and dev-api will strip it just like api does in production.

Ingress updated. The dev-quizzes and dev-quiz-api hosts are live.

Three groups of changes:

1. CBTF API routing fix (server-api.ts, .env.development, turbo.json, k8s/web.yaml, k8s/dev-web.yaml) — route CBTF requests to quiz-api
2. Full-stack E2E test + ingress (cbtf-assessment.spec.ts, k8s/ingress.yaml) — test the server-rendered CBTF path, add dev quizzes/quiz-api hosts
3. Version bump (26 package.json files) — already committed as 2f2788f but re-bumped

No debugging statements. I'll split into two commits: the fix + infra, and the version bump.

Two commits:

• d068d75 — CBTF quiz-api routing fix, full-stack E2E test, dev ingress hosts
• 5d80402 — Version bump

Makes sense — process.env isn't populated at build time.

Clean. Validated lazily on first call, cached after that.

Let me check the auth flow. The 403 is likely from the CBTF restriction blocking an auth-related API call, or an AUTH_URL mismatch.

What URL is the 403 on in the browser console?

The auth library is rejecting the request because it's coming from dev-quizzes.usingandunderstanding.ai but AUTH_URL is dev.usingandunderstanding.ai. Better-auth does origin checking.

The production trustedOrigins doesn't include the dev domains. Need to add the dev and quiz-api origins:

The dev-quizzes origin wasn't in the trusted origins list. Better-auth rejects requests from untrusted origins with a 403. Added all the dev and quiz-api domains. This needs a deploy to take effect.

Let me check what the dev quiz-api returns.

Empty list, 200. That's the isCbtf && !user early return — unauthenticated CBTF request. So isCbtf IS true on dev-quiz-api. But you're logged in, so the issue is likely that serverApiFetch isn't forwarding cookies correctly to the new domain. Cookies are scoped to dev.usingandunderstanding.ai and won't be sent to dev-quiz-api.usingandunderstanding.ai.

Cookie domain is .usingandunderstanding.ai in production, so cookies ARE shared across all subdomains. That's fine.

The real issue: serverApiFetch manually forwards cookies via the Cookie header. But the fetch to dev-quiz-api might not be reaching the API with auth. Let me check if the dev API has the latest code — specifically the isCbtf && !user early return:

CBTF restriction works. So isCbtf is true. The empty list means the user isn't being authenticated on the API side. The serverApiFetch reads cookies from the incoming request and forwards them. But you're on dev-quizzes.usingandunderstanding.ai and logged in via dev.usingandunderstanding.ai — are you actually logged in on the quizzes domain? The cookie domain is .usingandunderstanding.ai so it should be shared, but does the login session exist?

Can you check: when you visit dev-quizzes.usingandunderstanding.ai, do you see a user avatar / login state in the top bar, or does it show the login button?

Let me check if the dev web pod has QUIZ_API_URL set.

That's the problem. QUIZ_API_URL isn't set, so the zod validation fails on first serverApiFetch call, the catch block in the page swallows the error, and you get an empty list. The dev-web.yaml change hasn't been applied yet.

Dev web pod restarted with QUIZ_API_URL. Also noting your minor point about the login redirect — in CBTF the returnTo should be / not /assessments. I can fix that after we confirm the assessments are showing.

That's the instructor completion summary from apps/web/app/assessments/[slug]/page.tsx. It shows for all instructors regardless of context. In CBTF it shouldn't be there — it's instructor-only admin info that doesn't belong on the student-facing testing interface.

I need to check if we're in CBTF mode in this server component and hide the banner. Let me also check if isCbtf is available here:

Wait — but the grant controls on the detail page also use isInstructor. In CBTF, instructors still need those. Let me separate the two concerns:

Now the completion summary is hidden in CBTF, but the grant controls (Start/Stop Session) still show for instructors. The headers() import was already there so no duplicate needed.

Clean. The completion banner is now hidden in CBTF mode while grant controls remain available for instructors.

The banner is outside the AssessmentDetailClient's max-w-4xl px-6 container. It's a sibling at the top level with no width constraint.

Now it matches the max-w-4xl px-6 mx-auto container used by the assessment detail client.

Three groups: runtime zod fix + CBTF UI fixes (server-api.ts, page.tsx, config.ts), and version bump (26 package.json files). No debugging statements.

Two commits:

• 87f868d — Runtime zod validation, trusted origins for dev/quiz domains, hide instructor notes in CBTF, fix banner width
• 7e6c1d1 — Version bump to 2026.4.5

Done. bun run dev:restart will stop the background server and start a fresh one.

Done. Stops the background server then runs foreground.

Committed 4613708.

All 26 package.json files are version bumps.

Committed 3cdd4a2 — version bump to 2026.4.6.

The attempt detail, evaluation, and assessment-chat endpoints all need the same grant check in CBTF mode. Let me see what needs protecting.

Let me check the remaining endpoints that need protection.

I have the full picture. Three endpoints need CBTF grant checks:

1. GET /:slug/attempts/:attemptId — view attempt (no grant check)
2. GET /:slug/attempts/:attemptId/evaluation — view evaluation (no grant check)
3. POST /api/assessment-chat — send messages (no grant check)

The cleanest approach is a shared helper that checks CBTF + grant for a given assessment slug and user. Let me write the plan.

1. Add shared helper

Wait — instructors should also be blocked when their session is inactive. The whole point is that without an active grant, nobody can access. Let me fix that:

2. Gate attempt detail endpoint

3. Gate evaluation endpoint

4. Gate assessment-chat endpoint

All 46 tests pass. Now for your frontend point — you're right. In CBTF mode, there should only ever be one attempt (the current one), and "Resume Assessment" handles it. Showing past attempts is unnecessary and the links are a security gap since the API now blocks them anyway. Let me hide them in CBTF.

The component needs to know if it's in CBTF mode. The server page already detects isCbtf — let me pass it down:

Now hide the past attempts section in CBTF mode:

Unrelated pre-existing type errors. Let me check our files specifically:

No type errors in our files. The errors are in unrelated test files. Let me run the CBTF tests:

All 46 passing. Summary of changes:

API — all assessment endpoints now check checkCbtfAccess() in CBTF mode:

• Attempt details (GET /:slug/attempts/:attemptId)
• Evaluation (GET /:slug/attempts/:attemptId/evaluation)
• Chat (POST /api/assessment-chat)

Frontend — past attempts list hidden in CBTF mode. "Resume Assessment" handles the active attempt.

The needsGrant check is instructor-only. In CBTF mode, the button should also be disabled for students when the grant is inactive. But students won't have hasGrant in the response — they just won't see the assessment at all if they don't have a grant. The issue is the instructor case: they see the assessment without a grant but shouldn't be able to resume.

The current needsGrant logic is correct for that — it disables the button when isInstructor && isTutoringCenter && !grantActive. But inProgressAttempt being truthy makes canStart true via the ||. Let me also handle the CBTF case where there's no grant regardless of role:

Now also update the message — it shouldn't mention "CBTF session above" for students who don't see the controls:

Done. The Begin/Resume Assessment button is now disabled for anyone (instructor or student) when the tutoring-center assessment has no active grant.

Button is now completely hidden when there's no active grant. Instructors see the "start a session" message, students see "waiting for activation."

The footer is pushing the page past the viewport. In CBTF mode it should be hidden — students don't need it.

The footer is in the root layout, so it appears on every page. The assessment chat page needs to hide it. Let me check how that page is structured:

The cleanest approach is to add a layout.tsx in the [attemptId] directory that hides the footer. But since the footer is in the root layout, the chat page needs to signal it. A simple approach: use CSS to hide the footer from this page.

Simplest approach: add a data-testid to the footer element and hide it from the assessment chat page using a layout with a CSS class on the container. Actually even simpler — add a layout.tsx in the [attemptId] folder that adds a class to hide the footer:

The footer is now hidden on the assessment chat page via a CSS import in a route-level layout. The site-footer class on the footer element gets display: none when that layout is active.

No cursor-pointer in the base button styles. Tailwind v4 removed the automatic cursor-pointer on buttons. Just need to add it to the base classes:

That fixes every Button across the site. All variants, all sizes.

The @/styles/globals.css import works in layout.tsx. The issue is that the [attemptId]/layout.tsx is a client-side layout and the CSS import might not resolve the same way. Let me just put the rule in globals.css scoped to the attempt page instead of a separate file:

Now add the CSS rule to globals.css:

I see the same pattern used for embed and display modes. Let me add the hide-footer rule using the wrapper class approach:

Wait — the layout wraps children in a div.hide-footer, but the footer is a sibling of <main> in the root layout, not a sibling of the div. The ~ combinator won't reach it. Let me reconsider.

The layout nesting is: <main> contains the page which contains the [attemptId]/layout.tsx div. The footer is a sibling of <main>. CSS can't select ancestors' siblings.

Better approach: use the same pattern as embed/display modes — set a class on <body>:

:has() is well-supported now. When the [attemptId] layout renders its .hide-footer div anywhere in the body, the footer hides. No JS needed.

One untracked file (the new layout) and 8 modified files. No debugging statements. I'll split into logical commits.

Two commits:

• 135ea32 — API: gate all CBTF endpoints on active grant
• bc611a0 — Frontend: hide button/attempts without grant, hide footer on chat page, fix cursor

Good findings. The infrastructure is already in place:

• The evaluator state updates after every message and is stored on the attempt record
• The attempt detail endpoint already returns evaluatorState for instructors
• Each message has an evaluatorSnapshot in its metadata

The main work is in the chat client UI. Let me write the plan.

Let me read the key files I need to modify, then implement.

Now let me check the admin review evaluator panel for patterns to reuse:

Good, I have the pattern. Now let me check the CRITERIA_COLORS constant:

Now let me check the evaluator service for the final evaluation function:

Now let me look at how the final evaluation is called in the chat route:

Good. Now I have everything I need. Let me implement all four pieces.

1. API: Provisional grade endpoint

Now add the provisional grade endpoint before the export:

2. Page — pass isInstructor

Now update the AttemptDetail interface to include evaluatorState, and pass isInstructor:

3. New component — EvaluatorSidebar

4. Chat client — integrate sidebar + fetch state after each message

Now add evaluatorState tracking and the fetch after each message. Add state:

Now I need to add the AttemptDetail evaluatorState field to the client:

Now add the fetch of evaluator state after each message completes. I'll add it right after the streaming finishes:

Now add the sidebar to the layout. The current layout is a single column. I'll wrap the main content and sidebar in a flex row:

All 46 passing. Here's what was implemented:

API (apps/api/src/routes/assessments.ts):

• POST /:slug/attempts/:attemptId/provisional-grade — instructor-only endpoint that runs the final evaluator on current state and returns a provisional grade without ending the assessment

Frontend:

• EvaluatorSidebar component — shows live criteria progress, evaluator guidance, notes, advance/complete flags, and a "Grade Now" button
• Chat client — fetches updated evaluator state after each message exchange; renders sidebar in a right panel (320px, hidden on narrow screens)
• Page — passes isInstructor to the chat client

The sidebar updates in real time as the conversation progresses, and "Grade Now" computes what the final grade would be at that point.

I need to test:

1. The provisional-grade API endpoint (instructor-only, returns a grade)
2. That the attempt detail includes evaluatorState for instructors
3. That non-instructors can't access the provisional-grade endpoint

Let me check what the cbtf-test-assessment looks like to understand what we can test without actually doing an LLM call (since the provisional grade endpoint calls chatJSON):

The provisional grade endpoint needs an actual LLM call, which the E2E tests mock via LLM_MOCK=true. Let me check if the mock handles chatJSON for assessment evaluation:

chatJSON uses chat which goes through the mock system. The mock falls through to real LLM for unrecognized prompts. The provisional grade endpoint will hit a real LLM call, which will fail in E2E without credentials.

So for E2E tests I should focus on:

1. API-level tests (status codes, auth checks) — these don't need the LLM
2. The evaluatorState being returned for instructors
3. The provisional-grade endpoint returning 403 for students and requiring instructor auth

The actual grading response test would need LLM credentials, so I'll skip that.

All 50 tests passing, including the 4 new ones:

• #45: Instructor attempt detail includes evaluatorState
• #46: Student attempt detail does NOT include evaluatorState
• #47: Provisional-grade endpoint requires instructor role (student gets 401+)
• #48: Provisional-grade endpoint accessible to instructors (auth passes, LLM runs)

No PID file — it was started with bun run dev (foreground mode) in another terminal. You'll need to Ctrl+C it there, or:

That's the API dev server (bun watch). Want me to kill it?

Done.

It thinks there's still one running. Let me check:

No processes on the ports, no PID file. The dev-server script's "already running" check must be detecting something else. Let me look at how it checks:

It's checking https://[local-hostname]/ which is still responding. Something else is serving that. Let me find it:

Something is still responding on that URL but no local process is on ports 3000/2001. Is there a local nginx or Caddy reverse proxy that's caching/serving a stale response?

Docker is listening on 443. There's a Docker container proxying HTTPS — likely Caddy or nginx. It's returning 200 even though the backend isn't running. The dev server script sees that 200 and thinks the server is already up.

There's an nginx container proxying 443. It's returning 200 (probably a cached or default page). You need to stop it, or the dev script needs

There they are — turbo dev and next dev still running as orphaned processes. The API process (29102) was killed but the parent turbo and web processes survived.

All dead. The issue was that I only killed the API child process (29102) earlier, but the parent turbo process (29056) and web process (29103) were still running. bun run dev should work now.

Children survived. Let me kill them all:

All clear now. The problem was orphaned child processes surviving after the parent was killed. bun run dev should start cleanly.

The client-side env.ts reads API_URL from window.__ENV which is injected by the root layout. The error says it's undefined on the client. Let me check the layout's script injection:

The layout injects the correct API_URL into window.__ENV. But the browser warning says "Scripts inside React components are never executed when rendering on the client." Next.js is not executing that <script> tag on client-side navigation.

This is a Next.js issue — the <script> in <head> via dangerouslySetInnerHTML doesn't re-execute on client nav. It works on full page load but not on soft navigation. The env.ts reads window.__ENV?.API_URL which is undefined if the script didn't run.

But this isn't a new issue — it would have always been broken on client navigation. The error is specifically happening on dev-quizzes where isQuizzes is true and the layout picks QUIZ_API_URL. Let me check if QUIZ_API_URL is set locally:

That's set. But this error is happening on the client side — the handleToggleGrant function in the assessment detail page calls env.NEXT_PUBLIC_API_URL. The issue is that window.__ENV wasn't populated. This is likely because you navigated to the page via client-side navigation (clicking a link) rather than a full page load.

But actually, looking more carefully at the error — this is happening on a page served from [local-hostname]. The window.__ENV script should execute on initial page load. Is this a dev-quizzes page or a regular page?

Either way, the toggle grant function uses the client-side env which reads from window.__ENV. If the script tag didn't execute, API_URL is undefined. This is a known Next.js issue with dangerouslySetInnerHTML scripts in the layout.

The simplest fix: the handleToggleGrant already runs server-side via serverApiFetch for the page render, but the client-side button click needs the API URL. Since the toggle grant is an instructor-only client action, it should use window.__ENV?.API_URL or fall back. But really the root issue is that the script tag isn't executing.

Let me check if this only happens on the quizzes domain or everywhere:

Is this error happening on [local-hostname] or [local-hostname]?

The CSS body:has(.hide-footer) rule only applies when the [attemptId] layout's .hide-footer div is in the DOM. You're on the assessment detail page (/assessments/[slug]), not the chat page (/assessments/[slug]/[attemptId]). The footer should be hidden on the chat page after you start the assessment and navigate into it.

Or are you seeing the footer on the chat page itself after reload?

The layout renders <div className="hide-footer"> and the CSS rule is body:has(.hide-footer) .site-footer { display: none !important; }. Let me check if the footer actually has the site-footer class:

That looks right. Let me check the globals.css rule:

The CSS is correct. The issue might be that Tailwind is purging the site-footer class since it's not a Tailwind utility. Or body:has() isn't matching because the layout's <div className="hide-footer"> is nested inside the Next.js DOM differently than expected.

Let me check — the root layout has <main>{children}</main>. The [attemptId]/layout.tsx wraps children in <div className="hide-footer">. So the DOM should be body > ... > main > div.hide-footer > .... The :has() selector should find .hide-footer anywhere inside body.

The more likely issue: Tailwind CSS purges class names it doesn't recognize. hide-footer and site-footer are plain CSS classes in globals.css, not Tailwind utilities, so they should survive purging. But let me check if the CSS rule is actually being included in the output. The simpler fix is to use a data- attribute instead of a class:

Switched to data-hide-footer attribute (immune to CSS purging) and targeting footer element directly (no class dependency). This should work reliably.

One untracked file (new evaluator sidebar component) and 6 modified files. No debugging statements. All part of the same feature — instructor evaluator sidebar + provisional grading + footer fix.

Committed 31a925f — evaluator sidebar, provisional grading endpoint, footer fix, and 4 new E2E tests.

Missing deps in useCallback. Let me fix it:

All clean — 39/39 tasks passed, prettier formatted the files.

Done. bun run check passes clean.

Turbo already has a test task defined. Just need to switch the root script:

Now let me check which workspaces have test scripts so turbo has something to run:

Only 3 workspaces have test scripts. The old command (bun test ./apps ./packages ./tools) ran bun's built-in test runner across all directories. Let me check if there are actual test files:

Several workspaces with test files don't have "test" scripts. I need to add them so turbo can run them. Let me add "test": "bun test" to the workspaces that have test files:

Now for packages/agents — it doesn't have a scripts section, I need to find where to add it:

Now also fix the ldap test script which runs a lookup instead of bun test:

That's fine, the ldap test script is intentional (it's not a unit test). Let me verify everything works:

The e2e tests are being picked up by turbo — they have a "test" script that runs playwright, which fails because the dev server isn't running. The e2e tests shouldn't run with bun run test. Let me exclude them:

I can filter the e2e package out in turbo config:

Turbo doesn't support filter in task config. I'll use the CLI filter instead:

All 7 test tasks pass (e2e excluded), and 6/7 were cached. Running it again:

44ms, fully cached. All tests pass and caching works.

Clean changes, no debugging statements. All one logical change.

Committed 1ab5307.

Let me look more carefully at what's actually rendered at the top of discussion meetings — the user says they're already there.

These are internal <Link> components pointing to reading pages within the site. But the user wants them to open in new tabs on discussion meeting pages. Let me look at an actual discussion meeting to see how reading-link blocks are used:

The readings are markdown links in the meeting content, not reading-link blocks. They're rendered as regular <a> tags via the markdown renderer. Let me check what today's meeting looks like:

These are markdown links like [Title](/spring2026/readings/slug). They're internal links pointing to reading pages on the site. The markdown renderer handles them. Let me check how the meeting markdown component renders links:

Found it. Lines 92-99: internal links (like /spring2026/readings/...) use <Link> which does client-side navigation in the same tab. Reading links point to /spring2026/readings/slug — these are internal but should open in new tabs since students need to read them before class while keeping the meeting page open.

The simplest fix: detect reading links (href contains /readings/) and open them in a new tab:

Reading links in meeting pages now open in new tabs. Other internal links (like /syllabus, etc.) still navigate in the same tab.

Now add the prop:

Now

You're right. The content is just markdown strings in the .ts meeting files. You can use HTML directly in those strings:

- <a href="/spring2026/readings/coders-coded-their-job-away-..." target="_blank">Coders Coded Their Job Away</a> (26 min)

No component changes needed. Let me revert my MeetingMarkdown changes and just update the meeting file.

Good, meeting-markdown.tsx is back to its original state. But wait — react-markdown doesn't pass through raw HTML by default. Let me check if it does with the current config, or if I need rehypeRaw:

Raw HTML won't work in react-markdown without rehype-raw. But there's another approach — the a component override in MeetingMarkdown already handles rendering. Markdown links with target="_blank" won't work, but we can use the fact that react-markdown passes through attributes on standard markdown links if we use a different approach.

Actually, the simplest thing: just make these links external by using the full URL. The MeetingMarkdown component already opens external links (http...) in new tabs via ExternalLink. So change the meeting content to use absolute URLs for the readings:

Sorry. What's the right approach? I keep overcomplicating this.

react-markdown needs rehype-raw to pass through HTML tags. Let me check if it's already available.

Now update the meeting content to use <a> tags with target="_blank":

Added rehype-raw so react-markdown passes through HTML, then used plain <a target="_blank"> tags for the three reading links.

The reading links are being rendered as <Link> components (the $Ldb reference) without target="_blank". The rehype-raw isn't working because the a component override in MeetingMarkdown catches all <a> tags, including the raw HTML ones, and converts them to <Link>.

The issue is the component override. When rehype-raw processes the HTML <a target="_blank">, react-markdown still runs it through the a component override, which ignores target. I need to pass through the original props:

The a override destructures only href and children, dropping target. Just need to capture and pass it through:

Now the a override passes through target when present. The <a target="_blank"> in the meeting content will be honored.

No debugging statements. One logical change.

Committed a1c9c9c.

I need to convert the "Before Class" reading links (the ones at the top of discussion meetings) to <a target="_blank">. The inline references within discussion round content should stay as regular links. Let me update each file.

Now let me find the "Before Class" section in this file:

This one uses reading-link content blocks, not markdown links. The ReadingLink component renders them. I need to add target="_blank" support to the ReadingLink component:

I need to add a newTab field to the ReadingLinkBlock type:

Now update the ReadingLink component:

Good question. Some meetings use reading-link blocks (like does-ai-understand), others use inline markdown links (like ai-and-work and training-data-and-its-costs). There's no consistency. They should all use reading-link blocks since that's the dedicated component with reading time display. Let me check which meetings use which pattern:

Only 2 meetings use reading-link blocks. The others use inline markdown. Should I convert the inline markdown reading links in ai-and-work and training-data-and-its-costs (and any others) to reading-link blocks instead? That way newTab works everywhere through the component, and reading times are automatic.

Now the training data meeting:

Now check the medium-is-the-message and alphago meetings:

This one has inline markdown links to a reading. The "Please complete the reading" link should open in a new tab. But this is mixed into prose, not a bullet list. I'll convert it:

Now alphago — the reading links there are "reference during discussion" links, not "before class" links. Those should probably stay as inline links since students use them mid-discussion:

The transcript link here is a reference tool, not a "read before class" assignment. I'll leave this one as-is.

Now update the existing reading-link blocks in the two meetings that already use them — add newTab: true:

Now from-simple-parts:

Now update the meeting renderer to pass newTab through:

All set. Here's what changed:

• ReadingLinkBlock type: added newTab?: boolean
• ReadingLink component: passes target="_blank" when newTab is true
• Meeting renderer: passes newTab prop through
• 4 meetings converted to use reading-link blocks with newTab: true for "Before Class" readings:
  • ai-and-work (was inline <a> tags)
  • training-data-and-its-costs (was inline <a> tags)
  • does-ai-understand (was reading-link blocks, added newTab)
  • from-simple-parts (was reading-link blocks, added newTab)
• medium-is-the-message converted from inline markdown to reading-link block
• alphago left as-is (transcript is a reference tool, not a pre-class reading)

The links are rendering inline without line breaks, and hovering shows the current page URL not the reading URL. The ReadingLink component wraps in a <span>, which is inline. These need to be block-level items. Let me check the rendering:

The component renders as a <span> so consecutive reading-links all flow inline. When used as standalone blocks (not inline in prose), they should render as list items. Let me look at how the meeting renderer handles consecutive reading-link blocks — it just renders them one after another with no list wrapper.

The renderer needs to wrap consecutive reading-link blocks in a <ul>:

The ContentBlockList just maps blocks to renderers. I need to group consecutive reading-link blocks into a <ul>. Let me update ContentBlockList:

Need to add bounds checks:

Now consecutive reading-link blocks render as a styled <ul> with the same list styling used elsewhere in meetings. Each reading gets its own line with the › bullet.

No debugging statements. All one logical change.

Committed d22a33c.

Two groups: version bump (26 package.json files) and dependency updates (typescript-eslint 8.57.2 → 8.58.0 in root + config, plus bun.lock).

Two commits:

• 7302dcf — Update typescript-eslint to 8.58.0
• dac98aa — Bump version to 2026.4.7

The preparation-chat block is still there on line 27. It wasn't removed. Can you check what you're seeing? Maybe it's a caching issue in the browser, or the dev server needs a restart to pick up the content change?

The reading links look correct (list format, titles, reading times). But the preparation chat component below "Please complete the preparation conversation below before class" is missing. The code has it on line 27. This is likely a production deploy issue — the latest code may not have been pushed/deployed yet. The reading links are showing in the new format, so the content change deployed, but the preparation-chat block should render below that text.

Can you scroll down? The prep chat might be rendering below the --- separator. Or does the page end right after "This is part of attendance for today's meeting."?

Sorry, I wasn't doubting you. Let me check the logs.

You're right, that was dismissive. I apologize.

There it is. QUIZ_API_URL is failing zod validation on the production web pod. The PreparationChat component uses serverApiFetch, which fails because QUIZ_API_URL isn't set in the production web deployment.

The production web pod doesn't have QUIZ_API_URL. We added it to k8s/web.yaml but it wasn't applied.

QUIZ_API_URL is now set in the production web pod. The serverApiFetch zod validation was failing silently, causing every server component that fetches from the API (including PreparationChat) to error and not render. It should be working now.

Glad it's working. That was a painful one — the zod validation failing silently in try/catch blocks meant every serverApiFetch call was erroring, not just CBTF ones. Worth knowing for the future: if server components start disappearing in production, check the web pod env vars first.

We don't, really. The zod validation throws on the first serverApiFetch call. But the callers catch it silently:

// assessments/page.tsx
try {
  const data = await serverApiFetch<AssessmentsResponse>("/api/assessments");
  assessments = data.assessments;
} catch {
  // Client will handle empty state
}

Every page that calls serverApiFetch has a catch that swallows the error and renders an empty/fallback state. That's fine for transient API failures, but it masked a fatal configuration error.

The fix should be to fail loudly for config errors. The zod parse already throws at call time, but we could move it earlier. Want me to make the validation throw at module import time so the web pod crashes on startup if the env vars are missing? That would make it immediately obvious in the deployment logs instead of silently degrading.

You're right. The regular site doesn't need QUIZ_API_URL at all — it's only used when isCbtf is true. But the zod schema requires both to be present, so it throws on every serverApiFetch call even for non-CBTF requests.

Now throw only when CBTF actually needs it:

Now the regular site works without QUIZ_API_URL, and CBTF mode fails loudly if it's missing.

You're right. Fail at startup, not lazily. Set dummy values during build so the container builds, but validate at runtime startup.

Now add dummy build-time values. Let me check how the Docker build works:

Now the module-level serverEnvSchema.parse(process.env) runs at startup. During build, dummy values satisfy it. At runtime, the real values from K8s env vars are used. If either is missing at runtime, the pod crashes immediately with a clear zod error instead of silently degrading.

Good catch. Yes, the ENV directives bake into the image and persist at runtime as defaults. If the K8s deployment doesn't set QUIZ_API_URL, it would silently use http://localhost:3001 instead of crashing.

I need to set them during build but clear them for runtime:

ARG is only available during build and doesn't persist into the runtime image. If QUIZ_API_URL isn't set in K8s, the zod parse will crash the pod on startup.

Wait — but ARG values aren't visible as environment variables to RUN commands unless explicitly converted. Let me check if Next.js build needs them as env vars:

Actually, ARG values are automatically available as environment variables during the RUN command in the same build stage. So bun next build will see them. But they won't be in the final runtime image since the runner stage is separate (FROM node:... AS runner). The ARG won't carry over to the runner stage at all.

This should work correctly — build succeeds with dummy values, runtime crashes if they're not set by K8s.

Now none of the build-time dummies leak into the runtime image.

No debugging statements. Clean changes.

Committed 3b76c8a.

Noted. I'll keep that in mind when building future meeting activities.

I see the issue. Rounds 2 and 4 have both a text-submission and a group-chat in the same group content. The group-chat is the conversational completion and should replace the text-submission:

Removed the text-submission from rounds 2 and 4 where the group-chat serves as the conversational completion. Rounds 1 and 3 still have text-submission only (no group chat), which is correct.

Clean — just the one file, removing redundant text submissions.

Committed 18e441c.

Next week is Week 9 (Apr 7-9):

• Tue Apr 7 — Exploratory: Hallucinations, Reasoning, and Trust
• Thu Apr 9 — Discussion: AI Companions, Agents, and Trust

Readings for the Thursday discussion:

• Love in the Time of AI Companions
• Sorry Mom You're Chatting with an AI Agent
• AI Bots as Personal Digital Assistants

Also, final project proposals are due around Apr 7-9.

Want to start building the meetings for next week?

So far the course has covered:

• Embeddings (Mar 24) — how AI represents meaning as vectors
• Training data costs (Mar 26) — the human/environmental costs of training data
• Neurons and networks (Mar 10) — how artificial neurons work
• From simple parts (Mar 12) — emergence from training
• How LLMs work (Feb 24) — presumably the mechanics of language models

But I don't see a meeting that covers the full training pipeline: pre-training on a corpus, fine-tuning, RLHF/RLAIF, constitutional AI, instruction tuning, the role of human feedback in shaping behavior. That's a significant gap. Students have seen pieces (embeddings, neurons, costs) but not how a model goes from raw text to a helpful assistant.

The Tuesday exploratory slot could be retitled something like "How AI Learns to Be Helpful" or "From Raw Text to Assistant" covering the training lifecycle: pre-training, instruction tuning, and human feedback. This connects well to Thursday's discussion on AI companions and trust, since understanding how models are shaped helps students think critically about their behavior.

Want me to build that meeting instead of "Hallucinations, Reasoning, and Trust"?

From the schedule, here's what's left to build:

Week 9 (Apr 7-9)

• Tue Apr 7 — Exploratory: Hallucinations, Reasoning, and Trust → Training Lifecycle (new topic)
• Thu Apr 9 — Discussion: AI Companions, Agents, and Trust

Week 10 (Apr 14-16)

• Tue Apr 14 — Lab: Creating Websites
• Thu Apr 16 — Exploratory: Multimodal AI and Deepfakes

Week 11 (Apr 21-23)

• Tue Apr 21 — Discussion: AI Safety, Alignment, and Governance
• Thu Apr 23 — Lab: Research Reports

Week 12 (Apr 28 - May 5)

• Tue Apr 28 — Discussion: Human Flourishing in an Age of AI
• Thu Apr 30 — Lab: Final Project Workshop
• Tue May 5 — Final Meeting: Reflection and Synthesis

That's 9 sessions: 3 discussions (with readings already assigned), 3 labs, 2 exploratories, and 1 final meeting.

The training lifecycle topic also sets up the Apr 21 safety/alignment discussion well, since RLHF and alignment are directly related.

Yes, it's very feasible and students love it. A few options:

Best for this course: Bolt (bolt.new)

• Students describe what they want, AI generates a full working site
• Live preview in the browser, can iterate with conversation
• Free tier is enough for a lab session
• Deploys to a public URL with one click
• Great for non-CS students since there's zero setup

Also good: Replit

• AI agent builds and deploys sites
• More technical feel, students see the code
• Free tier works but is more limited

More hands-on: Claude Artifacts or ChatGPT Canvas

• Can generate HTML/CSS/JS in the conversation
• Students see the code and preview side by side
• No deployment, but great for understanding what's happening
• Already tools students know from the course

For a 75-minute lab, Bolt is probably the best fit: students can go from idea to deployed website in one session, the iteration loop is fast and conversational, and the result is something they can share. The lab could have them build a personal site or a site about a topic from the course, then reflect on what AI did well and where they had to intervene.

Want me to start building this meeting?

Week 9 (Apr 7-9)

• Tue Apr 7 — Exploratory: Training Lifecycle (new)
• Thu Apr 9 — Discussion: AI Companions, Agents, and Trust

Week 10 (Apr 14-16)

• Tue Apr 14 — Lab: Creating Websites
• Thu Apr 16 — Exploratory: Multimodal AI and Deepfakes

Week 11 (Apr 21-23)

• Tue Apr 21 — Discussion: AI Safety, Alignment, and Governance
• Thu Apr 23 — Lab: Research Reports

Week 12 (Apr 28 - May 5)

• Tue Apr 28 — Discussion: Human Flourishing in an Age of AI
• Thu Apr 30 — Lab: Final Project Workshop
• Tue May 5 — Final Meeting: Reflection and Synthesis

The two remaining exploratories are Week 9 Tuesday and Week 10 Thursday. Everything else is discussions, labs, or the final.

Let me look at what's been covered:

Here's the "how LLMs work" arc across the semester:

1. How Do LLMs Work? A First Look (Feb 24) — the basics
2. Neurons and Networks (Mar 10) — artificial neurons, weights, activation functions, digit recognition
3. From Simple Parts (Mar 12) — emergence, scaling, unexpected abilities
4. Embeddings and Knowledge (Mar 24) — vector representations, semantic space, cosine similarity
5. Training Data and Its Costs (Mar 26) — what goes into the training corpus, the human/environmental cost
6. Training Lifecycle (Apr 7, new) — pre-training → instruction tuning → RLHF → helpful assistant

With the new session, the arc covers: what neurons do → how networks learn → how meaning is represented → what data they train on → how raw models become useful assistants.

The main gap that remains is inference: how the model actually generates text at runtime (autoregressive token prediction, temperature/sampling, context windows). Students explored temperature hands-on in "How Do LLMs Work?" but may not have a deep mental model of the generation process.

That said, I think the coverage is solid for a course aimed at understanding, not building. The training lifecycle session fills the last major conceptual gap. Students will understand the full journey from data to assistant, which grounds the remaining discussions on companions, safety, alignment, and governance.

Multimodal AI (image generation, vision, audio, video) is genuinely different from what students have seen so far, which has been almost entirely text-based. They've used AI for creative media (Lab 1) but haven't explored how vision models work or grappled with deepfakes.

But as an exploratory session, I'm not sure what the hands-on component looks like. Students could generate images and try to fool each other with deepfakes, but that feels thin for 75 minutes. The deepfakes angle is really a discussion topic (trust, misinformation, evidence) more than an exploration.

Options for that Thursday slot:

1. Keep as exploratory — hands-on with image generation, vision, maybe audio. Risk: feels like a demo tour rather than building understanding.

2. Convert to discussion — deepfakes, synthetic media, and trust. Strong readings available. But you already have 3 discussions in the remaining weeks.

3. Convert to lab — students create something multimodal (e.g., generate illustrations for their final project, create a short video with AI tools). More productive, ties into the final project due May 5.

4. Drop multimodal, add a second final project workshop — students get Apr 30 already, but an earlier working session on Apr 16 gives them two weeks of structured project time.

Given that the final project is due May 5 and proposals are around Apr 7-9, option 3 or 4 might serve students better at that point in the semester. A multimodal lab where the output feeds into their final project would be the best of both worlds.

That makes a lot of sense. Students need to understand how to go from "I have an idea" to "I have a working thing" with AI tools. That's a different skill from using ChatGPT in a conversation.

So the revised schedule for Week 10 onward would be:

Week 10 (Apr 14-16)

• Tue Apr 14 — Lab: Creating Websites
• Thu Apr 16 — Exploratory: Building AI Applications (new, replaces Multimodal)

Week 11 (Apr 21-23)

• Tue Apr 21 — Discussion: AI Safety, Alignment, and Governance
• Thu Apr 23 — Lab: Research Reports → Final Project Workshop 1

Week 12 (Apr 28 - May 5)

• Tue Apr 28 — Discussion: Human Flourishing in an Age of AI
• Thu Apr 30 — Lab: Final Project Workshop 2
• Tue May 5 — Final Meeting: Reflection and Synthesis

The Apr 16 exploratory could cover things like: prompt chaining, system prompts, APIs vs chat interfaces, tools like Bolt/Replit for building apps, how to scope a project that's achievable in a few weeks. Hands-on: students prototype a piece of their final project idea.

The Creating Websites lab on Apr 14 feeds right into this since it shows what's possible with AI-assisted building. Then Apr 16 broadens from websites to any kind of AI application.

Does the Research Reports lab get dropped, or do you want to keep that somewhere?

Good. Let me update the remaining schedule to reflect these changes.

Updated. Ready to start building the Tuesday Apr 7 training lifecycle exploratory whenever you are.

Committed 1184253.

Just a version bump across all packages.

Committed 569acd2.

10 new captures. Let me clean up the remote DB junk first:

No junk to clean. Now let me look at each new file. There are 10 — let me process them efficiently.

Good. 10 new articles. Let me fix smart quotes across all of them first, then process each one:

Now let me process each article. I'll work through them in parallel batches, reading each to identify cruft:

Two agents are cleaning the 10 articles in parallel (5 each). I'll add sidenotes and section breaks once they finish.

10 new reading files, all untracked. These should be added.

Committed f6db30d — 10 new readings, 1,322 lines.