Type Claude translator event deserialization

[Stephen Belanger (Qard)]

Summary

• deserialize Claude hook context and subagent correlation fields into partial, drift-tolerant DTOs
• deserialize Claude transcript envelope routing fields before reducing native messages and tools
• retain native message and tool content as Value at span-preserving boundaries
• add schema-drift coverage for optional subagent metadata and transcript fields

Validation

• cargo test --manifest-path bt-daemon/Cargo.toml --all-features --locked
• cargo clippy --manifest-path bt-daemon/Cargo.toml --all-targets --all-features --locked -- -D warnings

[chatgpt-codex-connector]

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-10T14:10:40.567662Z	d350286	PR opened

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: d350286d87

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