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1bae6b6b6c
Adds `weknora session continue-stream <session-id> --message <id>` for
re-attaching to an in-progress or already-completed SSE event buffer.
Server semantics (replay-from-0 + tail):
- Every connection replays the full stored event log from index 0,
then tails any new events. NOT cursor-from-disconnect. Agents that
already consumed events on the original stream MUST dedupe by
message_id + event hash to avoid double-processing.
- Buffer TTL: redis mode 1h hardcoded; memory mode = process lifetime.
After expiry the CLI surfaces local.sse_stream_aborted.
Output is NDJSON: one CLI-injected init line carrying
{session_id, message_id, profile} at stream head, then raw SDK
StreamResponse events verbatim. The init line lets agents thread the
resume to the original message in their dedupe table before the first
SDK frame arrives — output.InitEvent gains an omitempty MessageID field
for this purpose; non-resume init events stay unchanged.
The command always emits NDJSON regardless of --format — there is no
human-text use case for raw event-log replay (operator scenarios are
incident response / debugging). --dry-run is excluded for the same
reason streaming commands always are: a buffered plan makes no sense
for an event stream.