test(core): pin the unallocated version char to 9 so gen-3 does not break it

Author: d-cs

packages/core/src/v3/isomorphic/friendlyId.test.ts

@@ -181,7 +181,7 @@ describe("parseRunId — version-char discrimination (not length)", () => {
 
   it("falls back to legacy on a malformed v1 (bad alphabet / wrong version char)", () => {
     expect(parseRunId(`run_${"A".repeat(25)}1`).format).toBe("legacy"); // uppercase core
-    expect(parseRunId(`run_${"a".repeat(25)}3`).format).toBe("legacy"); // unknown version
+    expect(parseRunId(`run_${"a".repeat(25)}9`).format).toBe("legacy"); // unallocated version
     expect(parseRunId(`run_${"a".repeat(25)}2`).format).toBe("b32hexV2"); // "2" is now gen-2
     expect(parseRunId(`run_${"a".repeat(24)}-1`).format).toBe("legacy"); // region char not [a-z0-9]
     expect(parseRunId(`run_${"a".repeat(27)}`).format).toBe("legacy"); // old 27-char shape

packages/core/src/v3/isomorphic/runOpsResidency.test.ts

@@ -46,7 +46,7 @@ describe("ownerEngine — residency classifier (version char at fixed position,
     const v1 = "a".repeat(24) + "e1";
     expect(ownerEngine(v1)).toBe("NEW");
     expect(ownerEngine("a".repeat(24) + "e2")).toBe("NEW"); // gen-2: shard "e"
-    expect(ownerEngine("a".repeat(24) + "e3")).toBe("LEGACY"); // unknown version char
+    expect(ownerEngine("a".repeat(24) + "e9")).toBe("LEGACY"); // unallocated version char
     expect(ownerEngine("a".repeat(26))).toBe("LEGACY"); // 26 chars but no version marker
   });
 
@@ -110,7 +110,7 @@ describe("resolveShard — the gen-2 refinement inside the dedicated family", ()
       "a".repeat(24) + "-1", // hyphen positional char
       "a".repeat(24) + "-2", // hyphen positional char, gen-2 version
       "a".repeat(26), // 26 chars, no version marker
-      "a".repeat(24) + "e3", // unknown version char
+      "a".repeat(24) + "e9", // unallocated version char
       "x".repeat(40),
     ]) {
       expect(resolveShard(bad)).toBe("legacy");