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

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//! Cline detection: legacy ui_messages.json array fingerprints, with separate SDK dispatch.

//!

//! Legacy ui_messages.json has no version field; its format uses the document-level

//! [`super::versions::CLINE_FORMAT_VERSION`] (fixed source dcf8c3c). This branch

//! does not dispatch unknown versions; SDK files use sdk_messages_v1::detect.

//!

//! Detection rules (V17 rejects unrecognized shapes):

//! - Read the first 64 KiB, strip UTF-8 BOM; a nonarray prefix is UnknownFormat.

//!   Unrecognized files are not parsed by guessing their format.

//! - Missing say/type fingerprint is UnknownFormat.

//! - Empty content is Pending and is probed again next round.

//! - A matching fingerprint is Supported with the registered document format;

//!   basis is KnownVersion. Scanning checks each message kind separately.

/// Detection window: first 64 KiB, without parsing the entire file.

/// Detect an SDK file separately, or a legacy task ui_messages.json file.

/// A legacy fingerprint selects the fixed document format with KnownVersion.

// Transient read failure (lock/timeout/disappearance) is Pending for the next probe.

// Fingerprint: say/type markers; getApiMetrics.ts consumes type="say" messages.

// Typed messages without say in this window do not establish a Cline array.