diff --git a/modules/gitea/package.json b/modules/gitea/package.json
index 21a6feb5..008e85a7 100644
--- a/modules/gitea/package.json
+++ b/modules/gitea/package.json
@@ -6,7 +6,7 @@
   "private": true,
   "scripts": {
     "build": "tsc client.ts token.ts index.ts provisioner/index.ts provisioner/teams.ts tools/index.ts --module NodeNext --moduleResolution NodeNext --target ES2022 --outDir dist",
-    "test": "npm run build && node --test --experimental-strip-types 'test/*.test.ts'"
+    "test": "npm run build && node --import ./test/resolve-ts.mjs --test --experimental-strip-types 'test/*.test.ts'"
   },
   "dependencies": {
     "@novox/mesh-sdk": "^0.1.1"
diff --git a/modules/gitea/test/resolve-ts.mjs b/modules/gitea/test/resolve-ts.mjs
new file mode 100644
index 00000000..e7197721
--- /dev/null
+++ b/modules/gitea/test/resolve-ts.mjs
@@ -0,0 +1,37 @@
+// The tests import the module's TypeScript sources (node --experimental-strip-types), and the sources import each other
+// by the .js name tsc compiles them to (NodeNext). Nothing compiles them beside themselves before the tests run: the
+// Node build module runs `tsc -p .` and then `npm test` (novox/hq issue 1891). So this hook resolves a relative .js import
+// from a .ts file, when no such .js is there, to the .ts beside it, and compiles that file with the toolchain's own
+// TypeScript (transpileModule: no type-check, which `tsc -p .` did), since a source may use what type stripping refuses
+// (a parameter property). Every other import resolves and loads as Node does.
+import { readFileSync } from "node:fs";
+import { registerHooks } from "node:module";
+import { fileURLToPath } from "node:url";
+import ts from "typescript";
+
+const compiled = new Set();
+
+registerHooks({
+  resolve(specifier, context, nextResolve) {
+    try {
+      return nextResolve(specifier, context);
+    } catch (err) {
+      const relative = specifier.startsWith("./") || specifier.startsWith("../");
+      if (err?.code !== "ERR_MODULE_NOT_FOUND" || !relative || !specifier.endsWith(".js") || !context.parentURL?.endsWith(".ts")) {
+        throw err;
+      }
+      const resolved = nextResolve(specifier.slice(0, -".js".length) + ".ts", context);
+      compiled.add(resolved.url);
+      return resolved;
+    }
+  },
+  load(url, context, nextLoad) {
+    if (!compiled.has(url)) return nextLoad(url, context);
+    const file = fileURLToPath(url);
+    const out = ts.transpileModule(readFileSync(file, "utf8"), {
+      fileName: file,
+      compilerOptions: { module: ts.ModuleKind.ESNext, target: ts.ScriptTarget.ES2022, sourceMap: false },
+    });
+    return { format: "module", source: out.outputText, shortCircuit: true };
+  },
+});
diff --git a/modules/minio/package.json b/modules/minio/package.json
index 017e2af8..d3351990 100644
--- a/modules/minio/package.json
+++ b/modules/minio/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "test": "node --test --experimental-strip-types 'test/*.test.ts'"
+    "test": "node --import ./test/resolve-ts.mjs --test --experimental-strip-types 'test/*.test.ts'"
   },
   "dependencies": {
     "@novox/mesh-sdk": "^0.1.7"
diff --git a/modules/minio/test/resolve-ts.mjs b/modules/minio/test/resolve-ts.mjs
new file mode 100644
index 00000000..e7197721
--- /dev/null
+++ b/modules/minio/test/resolve-ts.mjs
@@ -0,0 +1,37 @@
+// The tests import the module's TypeScript sources (node --experimental-strip-types), and the sources import each other
+// by the .js name tsc compiles them to (NodeNext). Nothing compiles them beside themselves before the tests run: the
+// Node build module runs `tsc -p .` and then `npm test` (novox/hq issue 1891). So this hook resolves a relative .js import
+// from a .ts file, when no such .js is there, to the .ts beside it, and compiles that file with the toolchain's own
+// TypeScript (transpileModule: no type-check, which `tsc -p .` did), since a source may use what type stripping refuses
+// (a parameter property). Every other import resolves and loads as Node does.
+import { readFileSync } from "node:fs";
+import { registerHooks } from "node:module";
+import { fileURLToPath } from "node:url";
+import ts from "typescript";
+
+const compiled = new Set();
+
+registerHooks({
+  resolve(specifier, context, nextResolve) {
+    try {
+      return nextResolve(specifier, context);
+    } catch (err) {
+      const relative = specifier.startsWith("./") || specifier.startsWith("../");
+      if (err?.code !== "ERR_MODULE_NOT_FOUND" || !relative || !specifier.endsWith(".js") || !context.parentURL?.endsWith(".ts")) {
+        throw err;
+      }
+      const resolved = nextResolve(specifier.slice(0, -".js".length) + ".ts", context);
+      compiled.add(resolved.url);
+      return resolved;
+    }
+  },
+  load(url, context, nextLoad) {
+    if (!compiled.has(url)) return nextLoad(url, context);
+    const file = fileURLToPath(url);
+    const out = ts.transpileModule(readFileSync(file, "utf8"), {
+      fileName: file,
+      compilerOptions: { module: ts.ModuleKind.ESNext, target: ts.ScriptTarget.ES2022, sourceMap: false },
+    });
+    return { format: "module", source: out.outputText, shortCircuit: true };
+  },
+});
diff --git a/modules/mosquitto/package.json b/modules/mosquitto/package.json
index 4c74b1fe..705ca055 100644
--- a/modules/mosquitto/package.json
+++ b/modules/mosquitto/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "tsc topics.ts client.ts index.ts tools/index.ts provisioner/index.ts bootstrap/index.ts --module NodeNext --moduleResolution NodeNext --target ES2022 --outDir dist",
     "typecheck": "tsc -p tsconfig.json",
-    "test": "node --test --experimental-strip-types 'test/*.test.ts'"
+    "test": "npm run build && node --test --experimental-strip-types 'test/*.test.ts'"
   },
   "dependencies": {
     "@novox/mesh-sdk": "^0.1.1"