vm(hako): add v1 reader/dispatcher (flagged), commonize mir_call handler, share block scan; smokes: add v1 hakovm canary; docs: 20.37/20.38 plans, OOB policy; runner: v1 hakovm toggle; include SKIP summary

include/nyrt.h

@@ -0,0 +1,33 @@
+#ifndef NYRT_H
+#define NYRT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Phase 20.36/20.37: C‑ABI scaffold (PoC)
+// Minimal kernel API for Rust runtime; subject to evolution.
+
+// Initialize NyRT kernel. Returns 0 on success.
+int nyrt_init(void);
+
+// Tear down NyRT kernel.
+void nyrt_teardown(void);
+
+// Load MIR(JSON v1) text. Returns a handle (>=1) or 0 on error.
+unsigned long nyrt_load_mir_json(const char* json_text);
+
+// Execute main() of the loaded module. Returns process‑like rc (0..255).
+int nyrt_exec_main(unsigned long module_handle);
+
+// Hostcall bridge (name = "env.*" / provider). Returns 0 on success.
+int nyrt_hostcall(const char* name, const char* method,
+                  const char* payload_json,
+                  /*out*/ char* out_buf, unsigned int out_buf_len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // NYRT_H
+