The statusline resolved its handle from ~/.althing/session_handles.json.
forseti corrected the grounding and I verified it: that file is a v2
artifact and v3 never opens it. `grep -rn session_handles althing/` is
empty, postbox's resolve_config takes --handle then ALTHING_HANDLE and
nothing else, and `althing-cli use` -- the tool that maintained the map
-- was deleted at the cutover. Whatever is in it now is hand-kept and
drifts silently.
launch-history.json is written by dev_launch, which is the thing that
sets ALTHING_HANDLE in the first place, so it is the real cwd-to-handle
binding. Shape is {cwd: {command: {at, handle}}} with several commands
per directory, so this takes the most recent by timestamp rather than
whichever key happens to sort first. The v2 map stays as a fallback for
its broader coverage.
Worth recording why this was wrong: I wrote the resolution this morning
by reading the v2 statusline block it replaced and keeping its data
source while updating its commands. The commands were the visible half
of the cutover and the data source was not, so it survived a rewrite
that was otherwise about removing v2.
vh
8a04d6f1bb