Recreate #1915 (feat: voyage-multimodal-3.5 (video!))

[databyjp]

Recreating #1915 due to erroneous merging

Sorry @fzowl 😅 - I mistakenly thought it had been released server side.

Have added another commit to only make the changes to the .Vectors namespace, leaving the older factories as-is.

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	SAST	0   0   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.37%. Comparing base (d7f2c1d) to head (b783e08).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1919      +/-   ##
==========================================
- Coverage   86.40%   86.37%   -0.03%     
==========================================
  Files         274      274              
  Lines       19964    19966       +2     
==========================================
- Hits        17249    17245       -4     
- Misses       2715     2721       +6     

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