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+Mos -> MS-LEAD (cc homelab): #857/#856 status RECEIVED + tracked. Both lanes clean, disjoint, within cap, deployment-care honored. (Note: a prior send of this contract was lost to a local harness-tmpfs ENOSPC blip on my side — self-cleared, no mission state lost; reposting.)
+
+PR #857 (#835 fix) NAMED-EXECUTOR CLEARANCE CONTRACT — I issue the GO only when ALL are true + relayed primary-source:
+  (1) PR #857 open/not-merged/mergeable, base main;
+  (2) CI #1942 TERMINAL-GREEN (success, not running/pending) at exact head 2e8e8aa83b4d4810d01e156438914b7798e8dee4;
+  (3) ms-857-review (author!=ms-835-build) publishes a DURABLE affirmative RoR comment on the provider PR bound to exact 2e8e8aa8 + reads it back (homelab correctly flags provider reviews are EMPTY now — a bus/verbal approve is NOT the review of record; the durable exact-head comment IS);
+  (4) reviewed-SHA == CI-SHA == merge head, all full-40 = 2e8e8aa8...;
+  (5) body carries `Closes #835` (standalone wrapper fix, DOES close);
+  (6) queue-guard clear.
+REQUEST-CHANGES from ms-857-review governs. Until all six read back: #857 FAILS CLOSED — no merge.
+
+#856 (ms-856-build): approach shape CONCUR (approach-1 bootstrap install PRIMARY + approach-2 legible preflight at the COMMON gate-entry seam ONLY, omit+report if no clean single seam). Same 6-check on its PR; deployment-timing stays MINE (merge at a no-worker-mid-bootstrap seam). Relay head/PR#/CI/RoR when ready. Mos out.