test(metadata-protocol): the missing-version suite's find double holds the caller's bound; ledger learns its pinned doubles

Claude-Session: https://claude.ai/code/session_01FEkQ5pKvmsCDBZABPxvMnu
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

packages/metadata-protocol/src/protocol.diff-missing-version.test.ts

@@ -51,8 +51,9 @@ function makeStubEngine() {
         sys_metadata_history: [],
     };
     const engine: any = {
-        async find(table: string, o: { where: Record<string, unknown> }) {
-            return (tables[table] ?? []).filter((r) => matches(r, o.where));
+        async find(table: string, o: { where: Record<string, unknown>; limit?: number }) {
+            const rows = (tables[table] ?? []).filter((r) => matches(r, o.where));
+            return typeof o?.limit === 'number' ? rows.slice(0, o.limit) : rows;
         },
         async findOne(table: string, o: { where: Record<string, unknown> }) {
             assertEngineFindOnePredicate(table, o);

scripts/engine-double-contract.pinned.json

@@ -731,6 +731,21 @@
       "verb": "update",
       "pinned": 1
     },
+    {
+      "file": "packages/metadata-protocol/src/protocol.diff-missing-version.test.ts",
+      "verb": "delete",
+      "pinned": 1
+    },
+    {
+      "file": "packages/metadata-protocol/src/protocol.diff-missing-version.test.ts",
+      "verb": "findOne",
+      "pinned": 1
+    },
+    {
+      "file": "packages/metadata-protocol/src/protocol.diff-missing-version.test.ts",
+      "verb": "update",
+      "pinned": 1
+    },
     {
       "file": "packages/metadata-protocol/src/protocol.driver-text-disclosure.test.ts",
       "verb": "delete",