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

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//! Qwen legacy ChatRecord detection reads a bounded first line, requiring a documented type

//! from the fixed-source four-value enumeration and uuid/sessionId/timestamp identity,

//! then selects the implementation through super::versions.

//!

//! Rules: architecture.md#unknown-version / V17.

//! - Non-JSON, undocumented type or missing identity: unknown format;

//!   reject rather than guess an arbitrary file format.

//! - Format ID is the registered fixed-source commit prefix: KnownVersion.

//!   Store each record.version (CLI release) as schema_version without restricting releases;

//!   it does not control detection dispatch.

//!

//! M2/V30 moved root-level qwen.rs into this directory without changing these rules.

/// Detect a legacy ChatRecord file and select through its registry.

// Fixed source requires uuid/sessionId/timestamp identity fields.

// The registered fixed-source commit prefix selects KnownVersion.

// Do not select by record.version; scanning stores it as schema_version per record.