Dislike and a bare /feedback open the Session's feedback dialog, which
collects one of seven fixed categories and an optional description and
records through the messageFeedback put or the new sessionFeedback
Remote; Like records at once. A recorded rating shows the filled glyph
and every submission is acknowledged by a toast. feedback/record and
MessageFeedbackItem carry the optional category; the note popover, its
layout scenario, and the clearNote/clear verbs are removed. ui-commands
gains the action command kind the /feedback decoration runs as.
Closes#3515
The persistence seam is now create/open/stat/list returning per-session
SessionHandles (read/append/flush/close); every log read and write flows
through the owning handle. The seam package exports only the service and
handle contracts, consumer-visible errors, and pure durable-data
validation helpers; each backend owns its complete storage runtime, and
the shared contract suites pin equivalent observable behavior. The
backend routes published sessions' live events by id into the active
write handle; agent-loop only acquires, seeds, and closes the handle.
Resume appends interruptedTurnClosers through its write handle;
session-query owns the revision-keyed cold cache. Legacy-only surfaces
are removed in the same swap: locate/readRaw/supportsRawArtifacts, the
legacy event-shape read migration, zstd torn-frame salvage,
DSH_SESSION_JSONL, and hook transcript_path population; a torn final
zstd frame is discarded whole; the session-list cold blank probe returns
on stat metadata (eventCount derived from the last physical row,
sizeBytes). The WebUI ZIP export serializes the logical log from a read
handle, so both backends export identically.
Refs #3245