desktop/src-tauri/crates/core/src/adapters/codex/detect.rs

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//! Bounded Codex first-line detection: identify session_meta rollout JSONL,

//! then select implementation through the super::versions registry.

//!

//! Rules: architecture.md#unknown-version.

//! - Non-JSON, non-session_meta or missing both payload.id/session_id is unknown format;

//!   reject rather than guess how to parse an arbitrary file.

//! - Registered cli_version selects KnownVersion; absent/unregistered uses marked LatestFallback.

/// Detect one rollout and select its registered implementation.

// session_meta must have a session ID; cli_version may be absent.

// Missing version uses the latest built-in parser with unknown-version status, not immediate rejection.