node version updated from 18 to 22.x on github workflows and Dockerfile

[pwilczynskiclearcode]

Following up #2338

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Project	Deployment	Preview	Comments	Updated (UTC)
livepeer-studio	Ready	Preview	Comment	Oct 21, 2025 0:49am

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[victorges]

amazing ty thought i'd need to do this myself 😅

cc @junhyr @gioelecerati the "node bump" you made recently has left the master branch broken for over a month now. I now need to do some urgent changes to fix production issues we are having and am hitting this broken repository that was left behind. Please avoid doing so in the future and only consider the work done after you get a clean build on the main branch.

[pwilczynskiclearcode]

@victorges @junhyr
Tests of /beta/generate/llm has started to fail with HTTP 422 Unprocessable Content response

FAIL src/controllers/generate.test.ts (6.477 s)
  ● controllers/generate › generate route › should call the AI Gateway for generate API /llm

    expect(received).toBe(expected) // Object.is equality

    Expected: 200
    Received: 422

      250 |         body: buildForm({ prompt: "foo" }),
      251 |       });
    > 252 |       expect(res.status).toBe(200);
          |                          ^
      253 |       expect(await res.json()).toEqual({
      254 |         message: "success",
      255 |         reqContentType: expect.stringMatching("^multipart/form-data"),

      at Object.toBe (src/controllers/generate.test.ts:252:26)

  ● controllers/generate › beta generate route › should call the AI Gateway for generate API /llm

    expect(received).toBe(expected) // Object.is equality

    Expected: 200
    Received: 422

      250 |         body: buildForm({ prompt: "foo" }),
      251 |       });
    > 252 |       expect(res.status).toBe(200);
          |                          ^
      253 |       expect(await res.json()).toEqual({
      254 |         message: "success",
      255 |         reqContentType: expect.stringMatching("^multipart/form-data"),

      at Object.toBe (src/controllers/generate.test.ts:252:26)


Test Suites: 1 failed, 35 passed, 36 total
Tests:       2 failed, 495 passed, 497 total
Snapshots:   0 total
Time:        115.407 s
Jest did not exit one second after the test run has completed.

[victorges]

Thanks @pwilczynskiclearcode . This is because of the changes I made on the ai handlers. Not critical as I'm just matching the breaking changes made in the batch AI APIs, but I'll fix them today.