runtime: 执行循环热路径免 malloc + vthread 状态写入收敛 - #312
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- keytree: 新增 kvlangKeytreeStackBuf/FrameRootLen；FrameNum 免 strbuf 构造 - kvspace: 短 key 走栈缓冲；新增 kvlangKvSetChar 直写 char/utf8 body （跳过 TLV 编码→KvSet 往返），供 PC 推进热路径 - kvcpu: 执行循环缓存 frame_root/深度/funcdir，前缀比较判帧变； jump_to/Advance 复用帧根；免指令后回读 - vthread: kvlangVthreadAdvance（状态门，每步只回读 1 个 ‥status key） + kvlangVthreadStatusGet - frame_t 增 frame_root/status_known/fb_pc；rwir_func/decode/myrwircaps 配套签名收敛 Closes #309 Co-Authored-By: Claude Code <noreply@anthropic.com>
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变更
routine-c 每指令热路径去掉多余分配与回读。
kvlangKeytreeStackBuf/kvlangKeytreeFrameRootLen；FrameNum直接定位帧坐标、免 strbuf 构造。kvlangKvSetChar直写 char/utf8 body，跳过「TLV 编码→KvSet 再解 head」往返，供 PC 推进热路径用。frame_root/深度/funcdir，仅当帧变（前缀比较）才重算；jump_to复用帧根；免指令后回读。kvlangVthreadAdvance（状态门，每步只回读 1 个‥statuskey，保证外部置 paused/error 下一步即见）+kvlangVthreadStatusGet。kvlangFrame_t增frame_root/status_known/fb_pc；rwir_func/decode/myrwircaps 配套签名收敛。10 文件 +299/-94。CI（shm+fs 跑 tutorial）验证不回归。
Closes #309
🤖 Generated with Claude Code