feat(propose-adjudicate-prove): overlay adjudicates inventory before prove

Regex inventory stays the proposer. MAP attaches promote/demote/unadjudicated/coverage
from intra-file taint (tree-sitter when a grammar parses, Python ast as last resort).
Deep sandboxes promotions only, ordered by the existing heuristic ranker plus optional
OpenRouter mechanism recall. The SAST pair slice scores overlay outcomes; the stage-1
detection gate and local pair gate stay inventory-only.

benchmarks/pairs/sast/juliet-c/cwe134-printf-fixed.c

@@ -0,0 +1,11 @@
+/* Juliet CWE-134 flow variant 01 — goodB2G sink only.
+ * Upstream: CWE134_Uncontrolled_Format_String__char_console_printf_01.c
+ * https://github.com/arichardson/juliet-test-suite-c (NIST Juliet 1.3, CC0)
+ */
+#include <stdio.h>
+
+void CWE134_char_console_printf_01_goodB2G(char *data)
+{
+    /* FIX: Specify the format disallowing a format string vulnerability */
+    printf("%s\n", data);
+}