handlePlan charged the budget but never checked the ceiling or set the
flag, so a plan-ONLY stream kept emitting after crossing the cap (caught by
both review bots). It now flags + truncates exactly like text/thinking.
Adds the plan-only flood regression test (185 total) and the category
frontmatter field to the new solutions doc.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
ce-compound learning from the live-output/steering work: push-channel-
alongside-pull-contract, void-safe detached turns, inactivity watchdog,
transient liveActivity + persisted trace, replay suppression. Also adds a
"Compound Engineering sessions" cluster to CONCEPTS.md and refreshes the
plugin reference doc's Sessions section with the new transport behaviors.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
