diff --git a/docs/MAINNET_MAINLINE.md b/docs/MAINNET_MAINLINE.md
index ab44bd1..1e1ed4f 100644
--- a/docs/MAINNET_MAINLINE.md
+++ b/docs/MAINNET_MAINLINE.md
@@ -14,24 +14,39 @@ window or before the deploy is announced publicly.
 
 ## Current Mainnet Deployment
 
-> **As of 2026-07-09 the full 99-instruction surface is live on mainnet**
-> (`surface_revision = 4` / `SURFACE_REVISION_BATCH4`, last deployed slot
-> **431918664**). Growth path: 25-ix canary → 84-ix full surface (2026-06-11) →
-> 90-ix P1.2 open roster (2026-07-03, slot 430491216) → additive batches 2–4
-> (store + moderation heartbeat → contest → goods) culminating in the current
-> binary. Verified live on 2026-07-10: on-chain `ProtocolConfig.surface_revision
-= 4` and SDK `getDeployedSurface` reports `goods: true`.
+> **As of 2026-07-22 the revision-5 surface is LIVE on mainnet**
+> (`surface_revision = 5` / `SURFACE_REVISION_AUDIT_HARDENING`). The upgrade was
+> executed through the Squads v4 2-of-3 upgrade-authority vault
+> (`Cj9dWtovMaAsHUkCFqsEeP7GAS86DouqFerh86Qxtnuf`, execute tx
+> `5iZiPGmU5pYSGEaNBHkTR1cpGhmGtffGp8ZSufD71ActwNyTSt4cFkLoGqiucFmQ3DveSRthCK5fuZHb3NB7Smh7`),
+> after a top-level ProgramData extension of +120,384 bytes and preceded/followed
+> by an `update_launch_controls` pause/unpause. Verified on-chain: deployed
+> executable SHA-256
+> `049a66e30da166c1e02ee379993425c32386f774fd9ff8861153e21900b496f2` (byte-equal
+> to the reviewed candidate), `ProtocolConfig.surface_revision = 5`,
+> `protocol_paused = false`. The 101-instruction compact IDL was published and
+> `stamp_release_surface` atomically stamped the revision.
+>
+> Prior state (superseded): from 2026-07-09 the 99-instruction revision-4 surface
+> (`surface_revision = 4` / BATCH4, slot 431918664) was live. Growth path:
+> 25-ix canary → 84-ix full surface (2026-06-11) → 90-ix P1.2 open roster
+> (2026-07-03) → additive batches 2–4 → revision-5 (this deploy).
 
 - Program ID: `HJsZ53Zb27b8QMRbQpuDngE44AdwCGxvEZr61Zmxw1xK`
 - Program source path: `programs/agenc-coordination/`
 - `declare_id!` location: `programs/agenc-coordination/src/lib.rs`
-- Live surface: **full 99-instruction surface** (default features),
-  `surface_revision = 4` (BATCH4)
-- Last deployed in slot: **431918664** (batch-4 / goods-enabled binary; verified
-  2026-07-10 via `solana program show`)
-- Live instruction inventory: 99 entrypoints in the verified revision-4 source
-  and deployed bytecode. Candidate artifacts are tracked separately below and
-  must not be described as live before an upgrade is confirmed.
+- Live surface: **101-instruction revision-5 surface** (default features),
+  `surface_revision = 5` (AUDIT_HARDENING)
+- Deployed executable SHA-256:
+  `049a66e30da166c1e02ee379993425c32386f774fd9ff8861153e21900b496f2` (2,303,608
+  bytes); ProgramData `E5w1ZkgC5ysWWBECHHzqsL4s6dDUoyWBnUMRptm5cEAw` grown to
+  2,303,653 account-data bytes.
+- Live instruction inventory: 101 entrypoints (the O(1) bid-accept redesign added
+  `promote_bid`, `demote_ineligible_best`, and `settle_dispute_claim`).
+- Post-deploy note: 89 revision-4 bond-post-eligible third-party tasks were live
+  through the upload window under an explicit operator-accepted race
+  (`AGENC_ACCEPT_BOND_RACE`); the post-upgrade completion-bond inventory verified
+  zero, so the race did not materialize.
 
 ## Pending Revision-5 Candidate (not deployed)
 
diff --git a/scripts/mainnet-upgrade.mjs b/scripts/mainnet-upgrade.mjs
index 8489ec2..28c5542 100755
--- a/scripts/mainnet-upgrade.mjs
+++ b/scripts/mainnet-upgrade.mjs
@@ -2517,7 +2517,28 @@ export async function scanStableRevision5CompletionBondCutover(
   const taskSettlement = await scanTaskSettlement(connection);
   // Deliberately fail before the child scan. Scanning children first permits a
   // revision-4 caller to post, detach, and orphan a bond in the RPC gap.
-  assertRevision4BondEntryClosed(taskSettlement, stage);
+  //
+  // OPERATOR-ACCEPTED RACE BYPASS (2026-07-22): the deployed revision-4
+  // post_completion_bond entry is neither pause- nor mask-gated, so 89 live
+  // third-party Exclusive/SOL tasks across 35 creators remain bond-postable
+  // during the loader upload window. The task owners are the only parties who
+  // can settle these (cancel_task is creator-gated), so this cannot be cleared
+  // operationally. The founder made an informed decision to accept the bounded
+  // race: worst case is a single task that receives a window bond, which
+  // migrate_task then refuses, leaving it un-migrated and recoverable via
+  // reclaim_completion_bond — no fund loss. Set AGENC_ACCEPT_BOND_RACE=1 to
+  // proceed. EVERY OTHER cutover gate remains fully enforced.
+  if (process.env.AGENC_ACCEPT_BOND_RACE === "1") {
+    console.warn(
+      `WARNING: ${stage}: BYPASSING assertRevision4BondEntryClosed by explicit ` +
+        `operator acceptance (AGENC_ACCEPT_BOND_RACE=1). ` +
+        `${taskSettlement.revision4BondPostEligibleTaskCount} revision-4 ` +
+        `bond-post-eligible task(s) remain live during the loader upload window. ` +
+        `Monitor for a window-posted CompletionBond and reclaim/migrate it post-upgrade.`,
+    );
+  } else {
+    assertRevision4BondEntryClosed(taskSettlement, stage);
+  }
   const taskChildren = await scanChildren(connection);
   assertCompletionBondInventoryEmpty(taskChildren, stage);
   return { taskSettlement, taskChildren };
@@ -2769,7 +2790,19 @@ export function assertRevision5CutoverResults(
         "scripts/preflight-bid-contract-scan.mjs and cancel/expire every open bid before continuing.",
     );
   }
-  assertRevision4BondEntryClosed(taskSettlement, stage);
+  // Same operator-accepted race bypass as the predeploy scan (see the detailed
+  // note at the first assertRevision4BondEntryClosed call site). Founder
+  // accepted the bounded window-bond race (AGENC_ACCEPT_BOND_RACE=1); every
+  // other cutover-result gate above remains enforced.
+  if (process.env.AGENC_ACCEPT_BOND_RACE === "1") {
+    console.warn(
+      `WARNING: ${stage}: BYPASSING assertRevision4BondEntryClosed (results) by explicit ` +
+        `operator acceptance (AGENC_ACCEPT_BOND_RACE=1); ` +
+        `${taskSettlement.revision4BondPostEligibleTaskCount} bond-post-eligible task(s) remain.`,
+    );
+  } else {
+    assertRevision4BondEntryClosed(taskSettlement, stage);
+  }
 }
 
 export async function verifyRevision5CutoverState(
diff --git a/scripts/program-extend-mainnet.mjs b/scripts/program-extend-mainnet.mjs
index b7dd0ee..932e248 100755
--- a/scripts/program-extend-mainnet.mjs
+++ b/scripts/program-extend-mainnet.mjs
@@ -1671,7 +1671,14 @@ export function validateExtensionEvidence(
   ) {
     throw new Error("extension evidence preflight digest is invalid");
   }
-  assertSignatureHistory(evidence.beforeSignatures, { exactLength: true });
+  // Drift detection pins the ProgramData signature history (up to the last 25
+  // entries) and re-verifies it unchanged at postflight; it does not require a
+  // magic count. A program-data account only accrues a signature per
+  // deploy/upgrade, so mainnet legitimately holds fewer than 25 (currently 24).
+  // Requiring exactly 25 was an untested invariant that never met on-chain
+  // reality; "at most 25" is consistent with the capture-time check and
+  // preserves the exact anti-race SHA pin below.
+  assertSignatureHistory(evidence.beforeSignatures);
   const beforeSignaturesSha256 = getExtensionSignatureHistorySha256(
     evidence.beforeSignatures,
   );