[AryanRG]

Summary

• reject non-positive input dimensions, projection dimensions, and repetition counts during construction
• prevent empty encodings and delayed NumPy failures from invalid MUVERA configurations
• cover each invalid parameter with an offline regression

Validation

• 59 focused and adjacent tests passed
• added test passes Ruff lint and format checks
• changed source passes Ruff after excluding the two findings already present on main
• git diff --check passed
• no model downloads were required

All Submissions

• Followed the Contributing guidelines.
• Checked open and closed issues and pull requests for the same change.

New-feature and new-model checklist items are not applicable to this bug fix.

[coderabbitai]

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ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: abf30bfa-ebb6-49b8-b7a2-397934fafc05

📥 Commits

Reviewing files that changed from the base of the PR and between de502ca and 6df6958.

📒 Files selected for processing: 2

• fastembed/postprocess/muvera.py
• tests/test_postprocess.py

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📝 Walkthrough

The Muvera constructor now raises ValueError when dim, dim_proj, or r_reps is nonpositive. It retains the existing check that rejects dim_proj values greater than dim. The from_multivector_model documentation lists these validation cases. A parameterized test checks the three nonpositive input cases and their corresponding error messages.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~8 minutes

Change: Bug fix

Merge Risk: ⚪ Minimal · up to 6df69

Muvera rejects nonpositive dimensions and repetition counts before projection setup. No concrete merge-blocking risk remains.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 75.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Title check		The title clearly and concisely identifies the main change: rejecting invalid MUVERA sizes.
Description check		The description directly explains the MUVERA validation changes, regression coverage, and validation results.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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