Module session 

Structs

BranchSummaryEntry

CompactionEntry

CustomEntry

CustomMessageEntry

LabelEntry

MessageEntry

Base fields shared by all entries.

ModelChangeEntry

SessionContext

Resolved conversation context sent to the LLM.

SessionHeader

The first entry in every session file.

SessionInfo

Lightweight metadata about a session, used for listing and selection.

SessionInfoEntry

SessionManager

Manages conversation sessions as append-only trees in JSONL files.

ThinkingLevelChangeEntry

Enums

SessionEntry

A session entry — one JSON line in the session file.

Constants

CURRENT_SESSION_VERSION

Functions

append_entry_to_file

Append a single entry to the session file (one JSON line).

encode_cwd_for_dir

Encode a working directory path into a safe directory name. Mirrors pi’s encoding: strip leading /, replace / \ : with -, wrap in –…–

find_most_recent_session

Find the most recent session file by mtime.

generate_entry_id

Generate a unique ID for session entries (8 hex chars, collision-checked).

get_default_session_dir

Get the default session directory for a cwd.

load_entries_from_file

Load all entries from a session JSONL file. Returns (header, entries) or empty vec if the file is missing or corrupted.

parse_session_entry_line

Parse a single line as a SessionEntry. Returns None for empty/malformed lines.

parse_session_header_line

Parse a single line as a SessionHeader.

read_session_header

Read the session header from a JSONL file (first line only).

write_entries_to_file

Write entries to a session file (used for initial write / rewrite). Does NOT write the session header — caller must include it.