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stack/docs/compaction-refresh/reviews/GATE0-PROBE3-BOUNDED-REPAIR-S3-REVIEW-v11.md
2026-07-19 13:23:02 -05:00

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TERRA §3 — Probe-3 Bounded-Repair Re-Review v11

Verdict: PASS (byte review only; no harness, broker, or runtime was launched).

Reviewed object (GUARD 1)

  • Branch: feat/827-gate0-probe
  • Reviewed object = 93a5fd018d26f16aa58a3ec1afc0c9bc83935fed
  • v10 baseline: ce5ba762051354338889959bfce2b0381f4a4e2a
  • Harness: docs/compaction-refresh/probes/p3_d4_focused_run.py
  • Verified harness sha256: 3a4b625a474ab31c53af7758464f51fe729a14201a77c049cceb9eafb607b5c8

Fresh verification fetched origin/feat/827-gate0-probe; local HEAD and remote branch both resolved to the reviewed full SHA before hashing the Git object.

TERRA §3 null-delta gate

(a) Exact authorized diff — PASS

git diff ce5ba762051354338889959bfce2b0381f4a4e2a 93a5fd018d26f16aa58a3ec1afc0c9bc83935fed -- docs/compaction-refresh/probes/p3_d4_focused_run.py reports exactly 1 insertion, 1 deletion, one hunk:

@@ -706,7 +706,7 @@ def isolated_environment(
-            target.parent.mkdir(parents=True, mode=0o700)
+            target.parent.mkdir(parents=True, mode=0o700, exist_ok=True)

The zero-context hunk is @@ -709 +709 @@. No other harness hunk or changed line exists. This is the authorized fixture-copy-loop repair only.

(b) Security-bearing bytes / D4 mechanism unchanged — PASS

The hunk range is old L709 / new L709, which does not intersect these byte-compared ranges:

Surface Line range v10 SHA-256 = repair SHA-256
B5B9 closure, bytecode, environment, and child-launch controls L351L575 3dcdcf75c8b1dea0a1f8888cf1e49a52aba51e7e41f447b80cf407d84533eb2e
D4 generated lifecycle extension L159L251 4bdc047f7494029d951763555a797103ca25da647b255b287378771d20da209b
D4 runtime assertions, including lease_anchor_registered L579L665 75620f25829fa7e176af8b342b2935d45afb546d821d45bf478c51e95f6918ca
D4 orchestration and --runs parser L749L849 a28c36296b2ba8fffe77912b7e25b793047393bae79a9242df1727bd21ab2f92

Thus B5B9 assertions and all D4 generation-mechanism bytes are identical to v10. The sole hunk is inside isolated_environment, outside those assertion/mechanism ranges.

Required negative checks

  • L704 unchanged: byte-identical (target_agent.mkdir(parents=True, mode=0o700)); the L704-only slice hash is 5c077090950c1cc68b53ac4d06280dd2b5d91bd34b28f1cc8d26d0d9eb8dbe41 on both commits.
  • Launcher flags unchanged: B5B9 slice includes launcher L511L517: -s -S -B unchanged.
  • Broker flags unchanged: B5B9 slice includes broker L551L556: -I -S -B unchanged.
  • --runs unchanged: L840 remains default=3, choices=(3,) in the byte-identical L749L849 slice.
  • Assertions intact: lease_anchor_registered remains at L594L596 in the byte-identical L579L665 slice; no B5B9 assertion is softened, removed, or repointed.
  • Absent from the harness delta: P5, P6, P2-banking, retry-laundering, and live/prod-path changes. The exact one-line diff contains only the fixture directory exist_ok=True addition.
  • Fixture scope: no other fixture line changed; git diff --check is clean.

Guard 2 — authorship independence

These review-document bytes were authored by this independent review session, not by repair author ms-p3-fix; this session did not build or modify the reviewed harness. The review was static/byte-only and did not execute the harness or launch a broker.

Guard 3 — publication boundary

This document is committed separately on top of 93a5fd018d26f16aa58a3ec1afc0c9bc83935fed. Its publication commit must leave the reviewed harness Git-object SHA-256 at 3a4b625a474ab31c53af7758464f51fe729a14201a77c049cceb9eafb607b5c8.

TERRA §3 v11 PASS. This is a null-security-delta byte review only; FIRE remains separately gated on Mos.