handoff

/handoff

Close the session with three separate artifacts:

1. A typed update to the daemon-owned Space Brief.
2. Durable MCP captures in that Space.
3. A chronological session log in ~/.wenlan/sessions/.

The daemon Brief is current-work authority. Its ~/.wenlan/sessions/_status/<space>.md projection is a one-way human receipt. Never read, edit, or overwrite that receipt as authority.

1. Resolve repository and Space

handoff_arg="<the Space name passed to /handoff, empty when none>"
# The resolver ships inside the installed plugin; the relative path only
# exists in a wenlan checkout.
resolver="$(find "$HOME/.codex/plugins/cache" -path '*/wenlan/*/bin/resolve-space.sh' 2>/dev/null | head -1)"
resolved="$("${resolver:-plugin-codex/bin/resolve-space.sh}" --cwd "$PWD" --arg "$handoff_arg" --new-repo-fallback 2>/dev/null)"
space="$(printf '%s\n' "$resolved" | cut -f1)"
source_layer="$(printf '%s\n' "$resolved" | cut -f2)"

If the user passed a Space name (/wenlan:handoff <space>), pass it as --arg <space> to resolve-space.sh.

Print space and source_layer. Explicit pins, defaults, and mappings still win. cwd-repo-new is the approved first-handoff fallback: use the canonical repository basename, which the user can override through normal Space config. Do not invent any other Space name.

Outside a Git repository, do not derive a new Space from the directory basename. If resolution still leaves space empty, skip the Brief read and typed update, do not issue Space-scoped captures, and continue with the unscoped session log and any unscoped durable captures. Outside a Git repository, a pin, explicit argument, default, or mapping still resolves a Space, and the Brief update and captures still run.

2. Read the Brief before composing deltas

W="$(command -v wenlan || echo "$HOME/.wenlan/bin/wenlan")"
brief_before=""
brief_absent=0
daemon_down=0
if [ -n "$space" ]; then
  if [ "$source_layer" = "cwd-repo-new" ]; then
    space_probe_status=0
    space_probe="$("$W" --format json spaces show "$space" 2>&1)" || space_probe_status=$?
    if [ "$space_probe_status" -eq 0 ]; then
      brief_before="$("$W" --format json --space "$space" brief)"
      source_layer="cwd-repo"
    elif [ "$space_probe" = "Error: space '$space' not found" ]; then
      brief_absent=1
    elif printf '%s' "$space_probe" | grep -qE 'tcp connect error|daemon not reachable'; then
      daemon_down=1
      brief_before=""
      echo "wenlan daemon unreachable — this handoff will queue its writes"
    else
      printf "%s\n" "$space_probe" >&2
      exit "$space_probe_status"
    fi
  else
    brief_status=0
    brief_output="$("$W" --format json --space "$space" brief 2>&1)" || brief_status=$?
    if [ "$brief_status" -eq 0 ]; then
      brief_before="$brief_output"
    elif printf '%s' "$brief_output" | grep -qE 'tcp connect error|daemon not reachable'; then
      daemon_down=1
      brief_before=""
      echo "wenlan daemon unreachable — this handoff will queue its writes"
    else
      printf "%s\n" "$brief_output" >&2
      exit "$brief_status"
    fi
  fi
fi