Rebuild the VOD page with a clip list and a clear camera export

[t3dotgg]

The VOD page only let you download every marker as-is. You could not skip a clip (#69), fix a typo, or number the files (#70). The offset was a vague text box that shifted every time on the page, and there was no clear way to set it. The page was also slow: 5 network calls ran one after another with no loading state, and every error showed "couldn't find the page".

Mobile

Design:

• The whole site is true black. The gray patterned background is gone.
• Export sits at the top of the side panel as 2 plain rows, VOD and Camera, with text actions instead of boxed buttons.
• A strip right under the player shows each clip on the stream, the playhead, and where the camera starts (pink).

Clips:

• Each clip is one line: a checkbox, the name, the length, and a play button with the start time. Click a name to rename it.
• Uncheck a clip to leave it out of both exports. "Number file names" adds 01, 02... so exported files sort in order. A clip keeps the same number in both exports.
• Times in the list always match the Twitch player.
• The fake intro (from #82) is not listed or numbered. YouTube chapters still get their own Intro at 00:00:00.

Camera export:

• The camera start is an inline field in the Camera row. You set it 3 ways:
  • Add /marker OFFSET when you start recording. A bare OFFSET marker uses its own position. OFFSET 40:31 still works too.
  • Seek the player to that moment and press Use player time.
  • Type the time.
• A short note says where the value came from ("From your OFFSET marker"), or how to set it when it is empty.
• OFFSET markers no longer end the clip they sit in.
• The camera start, the padding, and the numbering are saved in the URL.
• The about page explains the OFFSET marker.

Speed and errors:

• VOD metadata uses a cached app token and loads in parallel with the viewer's Twitch token.
• Markers load with the viewer's own token first. Twitch allows this for the VOD owner and their editors, so the common case skips the creator lookup (2 Clerk calls). Other people's VODs still fall back to the creator's token.
• Markers now page past 100 (supersedes #72), and markers from editors are included.
• A static loading.tsx shows while the page loads. Signed out, VOD not found, and "creator has not signed in" each get a clear page.
• The VOD list reuses the cached app token instead of minting one per request. After a failed Twitch request, the cached token is dropped, so a revoked token recovers on the next load.
• VOD metadata is cached for 60s. Markers are no longer cached, so new markers show up right away.
• The OBS embed uses the new creator lookup.
• Removed the debug console.log calls. One of them logged the full Clerk user object on every VOD view.
• The generic error page now says "Something went wrong" instead of "couldn't find the page". This applies to the whole app.
• The Twitch embed loads through next/script onReady instead of a polling loop that leaked on unmount.

Testing: typecheck, lint, pnpm test (43 tests), and pnpm build pass on the merge with #82 to #86. I also ran the real data path locally against the dev Clerk instance and live Twitch:

Case	Result	Time
Owner viewing their own VOD	ok, 9 markers	628 ms cold, 175 ms warm
Another user viewing that VOD	ok, 9 markers (creator fallback)	482 ms
VOD from a creator who never signed in	"has not signed in" page	261 ms
Missing VOD	"VOD not found" page	82 ms

Signed in as the owner, the real page filled in the camera start from the VOD's OFFSET 00:47:55 marker. Both CSVs had the right times, and the OFFSET marker no longer cut the intro. Seeking against the real player was not tested, because the headless browser is not logged in to Twitch and the VOD is subscriber-only. The screenshots use that real VOD with made-up marker names, so the player shows the subscriber-only poster.

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Summary by CodeRabbit

• New Features
  • Added a VOD player with a clip timeline and selectable clips. Rename or exclude clips, adjust camera offsets and buffer time, and export chapters or CSVs for VOD and camera timelines.
  • Share player settings through the page URL. Clip numbering can be enabled, and camera offsets can be read from an OFFSET marker.
  • A loading placeholder appears while VOD content loads.
• Improvements
  • Unauthenticated visitors are prompted to sign in, with distinct messages for missing VODs and creators who aren’t connected.
  • Error messages suggest trying again when a page fails to load.
• Documentation
  • Updated camera-recording instructions to explain how to mark or set the recording start time.

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Project	Deployment	Actions	Updated
markerthing	Ready	Preview	Sep 25, 2026 7:37am UTC

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Reviewing files that changed from the base of the PR and between 7ffeca0 and 1e7d08d.

📒 Files selected for processing (6)

• src/app/(core)/v/[slug]/player.tsx
• src/app/_components/vods.tsx
• src/utils/markers.test.ts
• src/utils/markers.ts
• src/utils/twitch-server.test.ts
• src/utils/twitch-server.ts

Files not reviewed due to moderation or processing errors (6)

• src/utils/markers.ts
• src/utils/markers.test.ts
• src/utils/twitch-server.ts
• src/utils/twitch-server.test.ts
• src/app/_components/vods.tsx
• src/app/(core)/v/[slug]/player.tsx

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Walkthrough

The VOD workflow retrieves typed VOD and marker results, builds identifiable clips, and presents them in a configurable player. The player supports clip selection, camera offsets, and separate VOD and camera exports.

Changes

VOD marker workflow

Layer / File(s)	Summary
Marker and clip model src/utils/markers.ts, src/utils/markers.test.ts	Markers and segments now have IDs. New utilities number clip labels and derive camera offsets; tests cover these behaviors.
Twitch token and VOD retrieval src/utils/twitch-server.ts, src/utils/twitch-server.test.ts, src/app/_components/vods.tsx	Twitch helpers cache and refresh app tokens, retrieve paginated markers, and return typed VOD results. VOD listing uses the shared token helpers. Tests cover viewer and creator token paths and missing or disconnected VOD cases.
VOD page and clip player src/app/(core)/v/[slug]/*, src/utils/types/twitch-player.d.ts	The page handles authentication and VOD result states, then passes validated settings to the player. The player displays clips and timelines, supports URL-backed settings, and provides separate VOD and camera exports.
Loading and workflow guidance src/app/(core)/v/[slug]/loading.tsx, src/app/_components/about.mdx, src/app/_components/error-page.tsx	The VOD page adds a loading placeholder. The camera workflow instructions and page error message are updated.

Priority: ➖ Normal

Estimated code review effort: 4 (Complex) | ~45 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant Viewer
  participant VodPage
  participant Clerk
  participant getVodWithMarkers
  participant TwitchHelix
  participant VodPlayer
  Viewer->>VodPage: Request VOD page
  VodPage->>Clerk: Resolve viewer authentication
  VodPage->>getVodWithMarkers: Load VOD using viewer Clerk ID
  getVodWithMarkers->>TwitchHelix: Fetch video and markers
  TwitchHelix-->>getVodWithMarkers: Return video and marker responses
  getVodWithMarkers-->>VodPage: Return VOD result
  VodPage->>VodPlayer: Pass VOD and initial settings

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Merge Risk: ⚪ Minimal · up to 1e7d0

The VOD page redesign adds clip selection, numbering, camera-offset exports, and more robust Twitch token and marker handling. No outstanding defects were identified in the changed code, and the one earlier clipboard-feedback concern appears to be addressed. The change looks ready to merge after normal checks.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 62.50% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 8 functions across 10 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main changes: rebuilding the VOD page with a clip list and camera export functionality.

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[greptile-apps]

Confidence Score: 2/5

The PR should not merge until invalid settings are prevented from exporting and clip selection produces usable chapters.

Findings

1.  Invalid offsets still export ▶
2.  Exclusion invalidates YouTube chapters ▶
3.  Unbounded buffer corrupts exports ▶
4.  Rejected tokens mislabel creators ▶
5.  Marker retrieval lacks tests ▶

Fix with agent prompt

### Issue 1
src/app/(core)/v/[slug]/player.tsx:210-213
When the offset is invalid, `aria-disabled` does not stop the Copy chapters button or the Download CSV link from activating. Both actions use a fallback offset of zero, so the exported timestamps can disagree with the invalid value still shown in the field. Prevent both actions until the offset is valid.

### Issue 2
src/app/(core)/v/[slug]/player.tsx:65-67
If someone excludes the introductory clip, the first copied chapter can start after `00:00:00`. YouTube requires chapters to begin at zero, so the copied list cannot be used as advertised. Keep a zero-time chapter or flag this selection before copying.

### Issue 3
src/app/(core)/v/[slug]/player.tsx:181-184
Entering a value such as `1e309` makes `Number(...)` return `Infinity`, which this handler stores as the buffer. Segment times and CSV rows then contain `Infinity`, and the copied chapter timestamps are unusable. Reject non-finite values before updating the buffer or URL.

### Issue 4
src/utils/twitch-server.ts:110
If a creator's Twitch connection exists but its token is expired, revoked, or lacks marker permission, a 401 or 403 becomes the same result as a missing connection. The page then incorrectly says the creator has never signed in and gives no indication that the connection needs attention. Distinguish a rejected marker request from a missing creator connection.

### Issue 5
src/utils/twitch-server.ts:115-120
The new viewer-first authorization, pagination, and multi-user marker aggregation have no server-fetch tests; the added tests cover segment IDs and numbering instead. Tests with a multi-page response and a viewer-denied, creator-allowed response would help catch missing markers or a broken fallback.

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[t3dotgg]

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Inline comments:
In `@src/app/`(core)/v/[slug]/player.tsx:
- Around line 73-76: Update the onClick handler for copying chapters to wait for
navigator.clipboard.writeText to settle; show the success toast only when it
resolves and an error toast when it rejects, so failures are handled.

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Configuration used: Organization UI

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📥 Commits

Reviewing files that changed from the base of the PR and between 688e1e4 and 71229d1.

📒 Files selected for processing (11)

• src/app/(core)/v/[slug]/loading.tsx
• src/app/(core)/v/[slug]/page.tsx
• src/app/(core)/v/[slug]/player.tsx
• src/app/_components/about.mdx
• src/app/_components/error-page.tsx
• src/app/_components/vods.tsx
• src/utils/markers.test.ts
• src/utils/markers.ts
• src/utils/twitch-server.test.ts
• src/utils/twitch-server.ts
• src/utils/types/twitch-player.d.ts

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