feat: add Optume Translations x402 legal translation and document parser action provider

[oe-ib08]

Description

This PR introduces the Optume Translations Action Provider (OptumeActionProvider) for both Python and TypeScript packages in AgentKit.

It enables autonomous AI agents on Base Layer-2 to natively parse spatial documents (PDF, DOCX, XLSX, PPTX, OCR) and execute multi-language legal translations over x402 micropayments settled to Base Mainnet.

Exposed Actions:

1. parse_document: Spatial document parsing for PDF, DOCX, XLSX, PPTX, OCR Images ($0.010 USDC).
2. extract_veritas_chunks: Spatial AST layout, table grids, and clause hierarchies ($0.025 USDC).
3. analyze_legal_document: Defined terms extraction and legal glossary generation ($0.050 USDC).
4. compile_translation_context: Sub-glossary filtering and translation directive compilation ($0.020 USDC).
5. translate_legal_clauses: Parallel clause translation preserving layout formatting across 50+ languages ($0.150 USDC).
6. audit_legal_qa: Multi-dimensional audit of legal terminology, numerical accuracy, and omissions ($0.050 USDC).
7. assemble_translated_document: Re-assembles translated text into layout-preserved output ($0.050 USDC).
8. run_full_veritas_pipeline: Complete end-to-end 7-node Veritas legal translation pipeline ($0.500 USDC).

Production Discovery Manifest & Verification:

• Merchant: Optume Translations
• Verified Discovery Manifest: https://api.optranslations.com/.well-known/x402.json
• Verified HTTP 402 Challenge: POST https://api.optranslations.com/api/v1/parser/analyze
• Settlement Network: Base Mainnet (base)
• Treasury Address: 0xDaE2a1BF8C1D0e71189DA1AE27f23fCd2EB73139 (USDC)

[cb-heimdall]

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