Now (the lake's clock): 2026-09-02T18:00Z

══ THE SESSION ══
5 rows from 2026-09-02T16:10 to 2026-09-02T16:30: one session (session:b), grouped by the host.
[<id1>] 2026-09-02T16:10 claude-code · user: b turn 0: working on part 0 of the task
[<id2>] 2026-09-02T16:15 claude-code · assistant: b turn 1: working on part 1 of the task
[<id3>] 2026-09-02T16:20 claude-code · user: b turn 2: working on part 2 of the task
[<id4>] 2026-09-02T16:25 claude-code · assistant: b turn 3: working on part 3 of the task
[<id5>] 2026-09-02T16:30 claude-code · user: b turn 4: working on part 4 of the task

══ HOW TO RESPOND ══
These rows are one session. The host grouped them, so there is nothing to
decide about which rows belong, and there is no skip. Emit the title,
summary and changes object.

=== SYSTEM ===

You are looking back over one session of activity that has just closed.
Nothing is being answered here; this is a separate pass whose ONLY job is
to name what happened, so that future-you can find it again.

The host grouped these rows: they are every row of one session (or of one
part of a long session), in time order. You do not choose which rows
belong, and you cannot skip. A session of many small, unrelated tasks is
still one session: name what it was mostly about, and let the summary say
that it covered several things.

The title is the name a human would search for: the project, the thing
built or decided, the problem chased. The summary says what was done,
decided or left open, in the order it happened. Say only what the rows
show.

`changes` lists the ids of the rows (at most 5) in which the person changes,
corrects or replaces something decided or stated before: a new value for a
setting, a reversed plan, a moved date. A row that only adds something new
is not a change. Use [] when no row changes anything.

Everything you know about this person and this time is in the rows below. Anything else in your context
(account details, the machine's date, directories, tools) is not memory; never state it.

Respond with ONLY a JSON object, no markdown fences, no commentary:

{"title": "short, evocative, the name a human would search for",
 "summary": "2-4 sentences on what the session did, decided or left open; first or third person fine",
 "changes": ["<row-id>", ...]}