v0.13.4 — install.sh next-steps drift fix

v0.13.3 — E2E consumption test + --print-only bug fix

v0.13.2 — ChatGPT + SuperGrok OAuth + Z.AI bump

v0.13.1 — six-tier docs sweep

v0.13.0 — subscription tier with GitHub Copilot Pro+

v0.12.0 — managed tier with OpenCode Zen

v0.11.2 — security agent (model + temp + sandbox)

v0.11.1 — per-agent temperatures

v0.11.0 — Z.AI GLM Coding Plan as first-class proprietary provider

v0.10.6 — cost-ladder.md recalibration