[feat] CV validation interface for professors

[erikbayerlein]

Epic: #70 (Validação de CV)
Use Case: #65

Fase 2 — Implementação posterior à fase de inscrição.

Description

UI for professors to review and validate candidate CVs.

Acceptance Criteria

• List of candidates enrolled in the professor's themes with validation status.
• Detailed CV view showing declared items, scores, and proof documents.
• Inline PDF viewer or download for proof documents.
• Editable score fields next to each item for validation.
• Visual diff between declared and validated scores.
• Bulk accept option for items with valid proofs.
• Confirmation dialog before finalizing validation.