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//! Talos session management — JSONL-based session logging with tree-branching support.
//!
//! Sessions are stored as append-only JSONL files, organized by working directory.
//! Each line in a JSONL file is a JSON object representing a [`SessionEntry`] with
//! fields for `id`, `parent_id`, `timestamp`, `role`, `content`, and optional `metadata`.
//!
//! # Directory Layout
//!
//! ```text
//! ~/.talos/sessions/
//! <project>/
//! <uuid>.jsonl
//! ```
//!
//! # Branching Model
//!
//! Each session supports multiple branches. A branch is a linear sequence of entries
//! rooted at a specific entry. The `fork` method creates a new branch from any existing
//! entry, enabling tree-structured conversation histories.
//!
//! # Crash Safety
//!
//! JSONL is append-only. If a crash occurs, only the last line may be corrupted,
//! which can be detected and skipped during reads.
//!
//! # Backward Compatibility
//!
//! Entries without `id` or `parent_id` fields (from older JSONL files) are treated
//! as part of a single linear branch. They are assigned synthetic IDs on load.
pub use SessionError;
pub use ;
pub use ;
pub use ;