v0.2.18

Added

• Cgroup pressure spine: round_cgroup_memory emits once per round (when this process's cgroup has a finite memory.max) with peak memory.current/memory.swap.current and memory.events counter deltas over the round — pressure becomes visible before it trips a give-up verdict.
• round_oom_killed: a pointer-only event (never round-log content) when the kernel cgroup-OOM-kills a round; the round still exits 137 and counts toward the crash streak exactly as before — this only names the cause.
• host_cgroup_memory_limit gains four advisory fields (swap_total_bytes, swap_cap_pct, memory_high, advisory) computed once at serve startup, plus a swap-plausibility guard on the cgroup-defer decision.
• Docs: a real-RAM ledger, a zram worked example, and a commented # MemoryHigh hint (with the PSI-floor interaction warning).

Fixed

• Per-agent no-progress verdict: a usageless round on a never-emits-usage CLI is no longer misread as stalled in a mixed [phases] config.
• Fail-open hardening: the monitor no longer crashes on the stop/classify path (an emit error, a poisoned epoch field, or an unreapable round now degrade instead of raising).
• kill now escalates SIGTERM to SIGKILL under systemd-user after the grace window, matching the docs.

Changed

• Plugin discovery scans entry_points.txt directly with a metadata parity fallback, ahead of 0.3's group growth.
• Internal cleanup: RoundOutcome carved into _round_outcome, constants single-sourced, lazy hashlib/zoneinfo behind an import-footprint gate, a tenet-3 price-blind invariant, plus test-speed work (parallel gate + faster inner loop).

Notes

• Not breaking: no agent-runner migrate step, no systemd unit change; peek --json gains the two new event kinds above, existing kinds unchanged.

See docs/migrations/0.2.md.