LoopGrid v0.8.1 — OTLP/HTTP protobuf interoperability

[cybertechsoft]

Summary

Adds OTLP/HTTP interoperability improvements for LoopGrid v0.8.1.

Added

• OTLP/HTTP binary protobuf ingestion
• Existing OTLP/HTTP JSON support retained
• gzip request support
• Shared OTLP normalization
• Expanded OTLP AnyValue parsing
• Current and legacy GenAI attribute handling
• Standard OTLP response encoding
• Decoded request-size protection
• OTLP JSON/protobuf regression tests
• Python 3.10–3.13 CI matrix
• JavaScript SDK validation
• Docker build validation
• CodeQL configuration
• Dependabot configuration

Compatibility

No changes to:

• LoopGrid Evidence Bundle v2
• Ed25519 signing
• SHA-256 evidence chains
• checkpoint representation
• offline verifier semantics
• Python SDK public API
• JavaScript SDK public API
• GitHub Marketplace verifier Action v1.0.0

Validation

Branch CI passes:

• Python 3.10
• Python 3.11
• Python 3.12
• Python 3.13
• JavaScript SDK
• Docker build

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