Limit cardinality of ML-powered JS queries status report

Some platforms that ingest this status report charge based on the
cardinality of the fields, so here we restrict the version strings we
support to a fixed set.

src/util.test.ts

@@ -295,24 +295,36 @@ async function mockStdInForAuthExpectError(
 
 const ML_POWERED_JS_STATUS_TESTS: Array<[PackWithVersion[], string]> = [
   [[], "false"],
-  [[{ packName: util.ML_POWERED_JS_QUERIES_PACK_NAME }], "latest"],
+  [[{ packName: "someOtherPack" }], "false"],
+  [
+    [
+      { packName: "someOtherPack" },
+      { packName: util.ML_POWERED_JS_QUERIES_PACK_NAME, version: "~0.0.2" },
+    ],
+    "~0.0.2",
+  ],
   [
     [{ packName: util.ML_POWERED_JS_QUERIES_PACK_NAME, version: "~0.0.2" }],
     "~0.0.2",
   ],
+  [[{ packName: util.ML_POWERED_JS_QUERIES_PACK_NAME }], "other"],
+  [
+    [{ packName: util.ML_POWERED_JS_QUERIES_PACK_NAME, version: "~0.0.1" }],
+    "other",
+  ],
   [
     [
       { packName: util.ML_POWERED_JS_QUERIES_PACK_NAME, version: "0.0.1" },
       { packName: util.ML_POWERED_JS_QUERIES_PACK_NAME, version: "0.0.2" },
     ],
-    "multiple",
+    "other",
   ],
   [
     [
       { packName: "someOtherPack" },
       { packName: util.ML_POWERED_JS_QUERIES_PACK_NAME },
     ],
-    "latest",
+    "other",
   ],
 ];
 

src/util.ts

@@ -631,16 +631,24 @@ export function checkNotWindows11() {
 export const ML_POWERED_JS_QUERIES_PACK_NAME =
   "codeql/javascript-experimental-atm-queries";
 
+/**
+ * Set containing version strings of the ML-powered JS query pack that are reportable.
+ *
+ * We restrict the set of version strings we report to limit the cardinality of the ML-powered JS
+ * queries status report field, since some platforms that ingest this status report charge based on
+ * the cardinality of the fields.
+ */
+export const ML_POWERED_JS_QUERIES_REPORTABLE_VERSIONS = new Set(["~0.0.2"]);
+
 /**
  * Get information about ML-powered JS queries to populate status reports with.
  *
  * This will be:
  *
- * - The version string if the analysis will use a specific version of the pack
- * - "latest" if the analysis will use the latest version of the pack
- * - "false" if the analysis won't run any ML-powered JS queries
- * - "multiple" if the analysis will run multiple ML-powered JS query packs (this is an unsupported
- *   scenario)
+ * - The version string if the analysis will use a specific version of the pack and that version
+ *   string is within {@link ML_POWERED_JS_QUERIES_REPORTABLE_VERSIONS}.
+ * - "false" if the analysis won't run any ML-powered JS queries.
+ * - "other" in all other cases.
  *
  * This function lives here rather than in `init-action.ts` so it's easier to test, since tests for
  * `init-action.ts` would each need to live in their own file. See `analyze-action-env.ts` for an
@@ -650,12 +658,16 @@ export function getMlPoweredJsQueriesStatus(config: Config): string {
   const mlPoweredJsQueryPacks = (config.packs.javascript || []).filter(
     (pack) => pack.packName === ML_POWERED_JS_QUERIES_PACK_NAME
   );
-  switch (mlPoweredJsQueryPacks.length) {
-    case 1:
-      return mlPoweredJsQueryPacks[0].version || "latest";
-    case 0:
-      return "false";
-    default:
-      return "multiple";
+  if (mlPoweredJsQueryPacks.length === 0) {
+    return "false";
+  }
+  const firstVersionString = mlPoweredJsQueryPacks[0].version;
+  if (
+    mlPoweredJsQueryPacks.length === 1 &&
+    firstVersionString &&
+    ML_POWERED_JS_QUERIES_REPORTABLE_VERSIONS.has(firstVersionString)
+  ) {
+    return firstVersionString;
   }
+  return "other";
 }