Hover unblurs a blurred video the same way as an image

[forest-savage1234]

Hover unblurs a blurred video the same way as an image

Closes #524.

Context & Requests for Reviewers

Images already use Tailwind hover:blur-none. Videos only drop blur when playing is true, so hover does nothing unless the reviewer hits play or turns blurring off. ThatKoffe named hover.

This puts group on the outer player wrapper and group-hover:blur-none on the blurred inner div so hovering the play button or the video unblurs, matching the image control. Play-to-unblur is unchanged. Wellness docs still say play-to-unblur only. Juliet pointed at #194; that is a different still-open migration, not this PR.

Tests

Dest check, Ubuntu Node v24.18.0, vitest 4.1.10:

✓ src/webpages/dashboard/mrt/manual_review_job/ManualReviewJobContentBlurableVideo.test.tsx (1 test) 272ms
Test Files  1 passed (1)
     Tests  1 passed (1)

The test renders a blurred video and asserts group on the wrapper plus group-hover:blur-none and blur-sm on the inner player. No live job with a video was hovered.

(Optional) Rollout Plan

Not this PR. Local UI hover class only.

Checklist

Only check items that apply to this PR; leave the rest unchecked.

• If you changed anything user-facing (i.e. user interface or APIs):
  Did you update the CHANGELOG.md and related docs?

• If you changed server/models/**/{ContentTypeModel,ActionModel,RuleModel,PolicyModel}.ts:
  Did you update the corresponding history tables and their triggers?

• If you changed db/src/scripts/** and used CREATE TABLE, ADD COLUMN, or ALTER COLUMN:
  Are as many columns marked NOT NULL as possible? If some columns can sometimes be null depending on other columns, are there CHECK constraints capturing those relationships, and are these also reflected using unions in the associated Kysely types?

• If you added a new signal in server/services/signalsService/signals/**:
  Did you classify every error case as a permanent error (SignalPermanentError, no retry) or a normal error (retryable)? Any case where the signal can't determine a score should be a SignalPermanentError.

User-facing. CHANGELOG has the Review Console line. History / db scripts / signals are not this PR. Wellness docs were not rewritten.

Files

1. client/src/webpages/dashboard/mrt/manual_review_job/ManualReviewJobContentBlurableVideo.tsx
2. client/src/webpages/dashboard/mrt/manual_review_job/ManualReviewJobContentBlurableVideo.test.tsx
3. CHANGELOG.md

Out of scope

• Wellness docs rewrite (docs/user/review-console.md still says play-to-unblur)
• Coop "Unblur all media" toggle doesn't affect iframe content #768 (Unblur All Media / iframes)
• Coop Migrate to facebook/content-review-filters #194 (content-review-filters migration)
• Coop Recent-decisions chart hardcodes "Child Safety" as the policy label for NCMEC rows #683 / Remove is_demo_org column and app code #628 / Downloading a "recent decision" CSV does not show progress #551 / Replace lodash with native JavaScript #202 / Document deployment considerations for popular hosting providers #704 / Document base infra requirements/recommendations for deployment #703
• Changing BLUR_LEVELS or wellness defaults
• CASE / CAC / CaseLinker

How to review

On a job with a blurred video, hover the player. Blur should lift and return when the cursor leaves, without pressing play. Images should still behave as they do.

I am a volunteer. Thank you for the time. I am trying to become more useful on this work, so I welcome a critical look. If this is the wrong cut, or you want me to stand down, say so and I will recut from notes.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between a700601 and cd0d42a.

📒 Files selected for processing (3)

• CHANGELOG.md
• client/src/webpages/dashboard/mrt/manual_review_job/ManualReviewJobContentBlurableVideo.test.tsx
• client/src/webpages/dashboard/mrt/manual_review_job/ManualReviewJobContentBlurableVideo.tsx

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[forest-savage1234]

Thank you for the time on this review. This only unblurs a video on hover the same way as an image. If that is the wrong cut, say so and I will recut from notes.

[taobojlen]

thanks for this contribution @forest-savage1234 !

i think we should probably focus on #194, which would conflict with this change here.