bkaankose 

Wino Mail API Contracts package to support Wino Accounts in Wino Mail.

Provider-neutral contracts and extension points for mailbox-level Wino Mail semantic indexing, embeddings, vector versions, and coverage.

Separate local sqlite-vec semantic index for Wino Mail with transactional versioned imports, mailbox coverage metadata, deletion, and vector search.

Deterministic HTML sanitization, visible-text extraction, Unicode normalization, bounded content processing, and SHA-256 hashing for Wino Mail AI.

OpenAI text embedding generation for Wino Mail semantic indexing with batching, cancellation, retries, and explicit embedding profiles.

Tenant-isolated PostgreSQL and pgvector storage for mailbox index state, append-only vector versions, coverage, and tombstones.