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+# P15-027 Stage0 Decision
+
+Status: `STOP`. B36 is `STOP-NO-SOURCE`.
+
+G07 is evaluated per architecture against frozen BASE
+`4683579dabc57b0c9aaf5762e13ecc2a0ec3f8f9`. The mandatory audit set is
+arm64, riscv64, and i386. i386 is the real FreeBSD 32-bit target: the
+available FreeBSD source contains its machine headers and the pinned Clang
+toolchain contains the x86 backend. Source/toolchain availability is not
+native runtime evidence.
+
+The inventory-first gate finds no declared same-architecture FreeBSD runtime
+for arm64, riscv64, or i386. The host is Linux/x86_64. An emulator binary,
+x86_64 guest, Linux execution, cross compilation, static layout output, or a
+runtime from another candidate cannot satisfy this condition. Missing native
+runtime is a per-architecture `STOP`, not `INFRA_BLOCKED`, and no architecture
+can borrow another architecture's result.
+
+Because cross-only results cannot change any current decision, dual
+`WITH_ZSTDIO=0/1` KMOD builds and layout/unaligned/endian probes are
+`NOT_RUN` for all three architectures. The gate still verifies the frozen
+EROFS source tree, selected planning and probe hashes, FreeBSD source identity
+and architecture headers, compiler identity and target backends, and exact
+input-recorded Makefile relaxation. That patch is applied only to an owned
+temporary Makefile copy. The production `src/Makefile` remains byte-identical
+to BASE and retains the amd64-only error.
+
+For a future rerun, each architecture has an independent native runner slot.
+A declaration must pass a bounded preflight reporting matching FreeBSD
+`uname -s`, architecture-specific `uname -m` and `uname -p`, and cleanup.
+Only then does the gate create a frozen temporary source copy, apply the sole
+recorded Makefile patch, build both KMOD configurations, record sizes and
+`nm -u`, and compile the layout and unaligned little-endian probes. The same
+runner must then load and unload both exact module hashes and record Plain,
+LZ4, LZMA, and Zstd reads. It must also prove running-kernel `options ZSTDIO`
+capability and exact disabled `EOPNOTSUPP`. Every operation carries argv,
+deadline, exit, target marker, cleanup, stdout/stderr, and hashes. A candidate
+is GO only when its own cross and native records both pass.
+
+This decision does not authorize any B36 allowlist entry. No production
+source, B36 case, B36 probe, QEMU run, K build, feature suite, or smoke suite
+is created or run. Protected PID 26318, port 9222, and the shared base image
+are outside the gate and are not addressed.