Write the comments I added without em dashes

[nmbrthirteen]

Comments only, no behaviour. Nine lines across the reframing work in 2.7.4 and 2.7.5, rewritten as a colon, a comma, or a second sentence.

The em dashes still in these files predate the change and are left alone; this is limited to lines the reframing commits introduced.

704 tests pass, unchanged.

Summary by CodeRabbit

• Documentation

  • Clarified comments describing seat detection, speaker representation, mixed video layouts, and false-positive prevention.
  • Improved wording and readability in related technical explanations.

• Tests

  • Updated test commentary for consistency; test behavior remains unchanged.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 9d7aad41-391d-4c11-a42e-34892c2a6587

📥 Commits

Reviewing files that changed from the base of the PR and between 8c2185f and 212ab89.

📒 Files selected for processing (4)

• backend/services/face_analysis.py
• backend/services/face_track_helpers.py
• backend/services/video_processor.py
• tests/test_choose_segment_tracks.py

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

Comments and docstrings were reworded across face analysis, face tracking, video processing, and tests. No executable behavior, control flow, or test behavior changed.

Changes

Comment Clarification

Layer / File(s)	Summary
Comment and docstring updates backend/services/face_analysis.py, backend/services/face_track_helpers.py, backend/services/video_processor.py, tests/test_choose_segment_tracks.py	Comments and docstrings clarify fixed seating positions, off-camera guests, mixed layouts, crop fallback behavior, false-positive handling, and test anchors.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 212ab

This PR only rewrites comments without changing behavior, and no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: rewriting added comments to remove em dashes.
Docstring Coverage	✅ Passed	Docstring check was indeterminate for this PR — some files could not be analyzed in time. Not blocking.
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.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch strip-em-dashes

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