release: v22.4 - Multi-tool token alignment, extended reasoning formats, and UI default knobs

fix(v22.3): KV cache invariance, script reorganization, and v22.2 archiving

release: v22.2 - Extended effort aliases, tool error disambiguation, and multi-system prompt merging

release: v22.1 - Safe medium reasoning default, inline chat tags, and check_applied diagnostic

release: v22 - Add Qwen 3.8 support, reasoning effort steering, and engine fixes