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

v21.3: Add optional JSON tool format kwarg override

Revert PR 45 to restore native XML compatibility

Bump version to v21 and archive v20

feat: Upgrade to v20 (The Architect Patch) with C++ AST optimization and deep agent loop fallbacks

Release v18: Improved error detection, engine compatibility, and whitespace normalization

v17 release: Unified template, 100% KV Cache hit rate optimization, and Stopping Bug fix

Initial upload: Qwen-Fixed-Chat-Templates