diff --git a/package.json b/package.json
index 9f213149..b02b44f5 100644
--- a/package.json
+++ b/package.json
@@ -35,12 +35,12 @@
     "perf:react-hook-form": "npm run perf -w @interactive-os/json-document-react-hook-form",
     "perf:ajv": "npm run perf -w @interactive-os/json-document-ajv",
     "perf:rich-text": "npm run build -w @interactive-os/json-document-rich-text && node packages/json-document-rich-text/benchmarks/editor.mjs",
-    "release:check": "npm run verify -w @interactive-os/json-document && npm run verify:companions && npm run standard:check && npm run docs:evaluate && npm run perf:core && npm run pack:library && npm run pack:companions",
+    "release:check": "npm run workspace:check && npm run verify:libraries && npm run standard:check && npm run docs:evaluate && npm run perf:core && npm run pack:libraries",
     "standard:check": "node standards/json-document-v3/evaluate.mjs && node standards/json-document-rich-text-v1/evaluate.mjs && node standards/json-document-rich-text-v1/evaluate-corpora.mjs && npm test -w @interactive-os/json-document -- conformance",
-    "verify": "npm run verify -w @interactive-os/json-document && npm run verify:companions && npm run docs:evaluate && npm run typecheck -w @interactive-os/json-document-site && npm test -w @interactive-os/json-document-site && npm run site:verify:pages && npm run browser:test",
-    "verify:companions": "npm run verify -w @interactive-os/json-document-selection && npm run verify -w @interactive-os/json-document-editing && npm run verify -w @interactive-os/json-document-react && npm run verify -w @interactive-os/json-document-react-hook-form && npm run verify -w @interactive-os/json-document-ajv && npm run verify -w @interactive-os/json-document-zod && npm run verify -w @interactive-os/json-document-tanstack-table && npm run verify -w @interactive-os/json-document-web && npm run verify -w @interactive-os/json-document-contenteditable && npm run verify -w @interactive-os/json-document-rich-text && npm run verify -w @interactive-os/json-document-rich-text-web && npm run verify -w @interactive-os/json-document-rich-text-react && npm run verify -w @interactive-os/json-document-collaboration && npm run verify -w @interactive-os/json-document-contenteditable-collaboration",
-    "pack:library": "npm pack -w @interactive-os/json-document --dry-run --cache ./.npm-cache",
-    "pack:companions": "npm pack -w @interactive-os/json-document-selection --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-editing --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-react --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-react-hook-form --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-ajv --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-zod --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-tanstack-table --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-web --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-contenteditable --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-rich-text --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-rich-text-web --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-rich-text-react --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-collaboration --dry-run --cache ./.npm-cache && npm pack -w @interactive-os/json-document-contenteditable-collaboration --dry-run --cache ./.npm-cache",
+    "verify": "npm run workspace:check && npm run verify:libraries && npm run docs:evaluate && npm run typecheck -w @interactive-os/json-document-site && npm test -w @interactive-os/json-document-site && npm run site:verify:pages && npm run browser:test",
+    "workspace:check": "node scripts/workspace-tasks.mjs check",
+    "verify:libraries": "node scripts/workspace-tasks.mjs verify",
+    "pack:libraries": "node scripts/workspace-tasks.mjs pack",
     "browser:test": "playwright test --config site/playwright.config.ts",
     "browser:test:headed": "playwright test --config site/playwright.config.ts --headed",
     "browser:install": "playwright install chromium",
diff --git a/packages/contenteditable-collaboration/package.json b/packages/contenteditable-collaboration/package.json
index 35a3f1a5..0efe5581 100644
--- a/packages/contenteditable-collaboration/package.json
+++ b/packages/contenteditable-collaboration/package.json
@@ -38,11 +38,10 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document-collaboration",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "prepack": "npm run build",
     "test": "vitest run --config vitest.config.ts",
-    "pretypecheck": "npm run build -w @interactive-os/json-document-collaboration",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-ajv/package.json b/packages/json-document-ajv/package.json
index d9bd16d0..55c40330 100644
--- a/packages/json-document-ajv/package.json
+++ b/packages/json-document-ajv/package.json
@@ -26,11 +26,10 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
     "perf": "npm run build && node benchmarks/validation.mjs",
-    "pretypecheck": "npm run build -w @interactive-os/json-document",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-collaboration/package.json b/packages/json-document-collaboration/package.json
index eba23ccc..bb9850e2 100644
--- a/packages/json-document-collaboration/package.json
+++ b/packages/json-document-collaboration/package.json
@@ -39,8 +39,7 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "prepack": "npm run build",
     "test": "vitest run --config vitest.config.ts",
     "test:soak": "JSON_DOCUMENT_COLLABORATION_SOAK_CASES=24 JSON_DOCUMENT_COLLABORATION_SOAK_STEPS=96 vitest run --config vitest.config.ts tests/convergence/soak.test.ts",
diff --git a/packages/json-document-contenteditable/package.json b/packages/json-document-contenteditable/package.json
index c00df20c..73c3fbe3 100644
--- a/packages/json-document-contenteditable/package.json
+++ b/packages/json-document-contenteditable/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
-    "pretypecheck": "npm run build -w @interactive-os/json-document",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-editing/package.json b/packages/json-document-editing/package.json
index ea853d43..37704800 100644
--- a/packages/json-document-editing/package.json
+++ b/packages/json-document-editing/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document && npm run build -w @interactive-os/json-document-selection",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "check:structure": "node scripts/check-responsibility-layout.mjs",
-    "pretypecheck": "npm run build -w @interactive-os/json-document",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "test": "vitest run --config vitest.config.ts",
     "perf": "npm run build && node benchmarks/editors.mjs",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
diff --git a/packages/json-document-react-hook-form/package.json b/packages/json-document-react-hook-form/package.json
index 7934b514..92425ac6 100644
--- a/packages/json-document-react-hook-form/package.json
+++ b/packages/json-document-react-hook-form/package.json
@@ -26,11 +26,10 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document-selection && npm run build -w @interactive-os/json-document-editing && npm run build -w @interactive-os/json-document-react",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
     "perf": "npm run build && node benchmarks/form.mjs",
-    "pretypecheck": "npm run build -w @interactive-os/json-document-selection && npm run build -w @interactive-os/json-document-editing && npm run build -w @interactive-os/json-document-react && npm run build -w @interactive-os/json-document-zod",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-react/package.json b/packages/json-document-react/package.json
index 23252bda..8d7b06e7 100644
--- a/packages/json-document-react/package.json
+++ b/packages/json-document-react/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document && npm run build -w @interactive-os/json-document-editing",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
-    "pretypecheck": "npm run build -w @interactive-os/json-document && npm run build -w @interactive-os/json-document-editing",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-rich-text-react/package.json b/packages/json-document-rich-text-react/package.json
index d7749d87..73de6837 100644
--- a/packages/json-document-rich-text-react/package.json
+++ b/packages/json-document-rich-text-react/package.json
@@ -21,9 +21,8 @@
   "exports": { ".": { "types": "./dist/index.d.ts", "import": "./dist/index.js" } },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document-rich-text && npm run build -w @interactive-os/json-document-rich-text-web && npm run build -w @interactive-os/json-document-react",
-    "build": "npm run clean && tsc -p tsconfig.json",
-    "pretypecheck": "npm run prebuild",
+    "build": "npm run clean && tsc -b tsconfig.json",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "test": "vitest run --config vitest.config.ts",
     "verify": "npm run typecheck && npm test && npm run build"
diff --git a/packages/json-document-rich-text-web/package.json b/packages/json-document-rich-text-web/package.json
index dbc79e5a..1808cbc3 100644
--- a/packages/json-document-rich-text-web/package.json
+++ b/packages/json-document-rich-text-web/package.json
@@ -21,9 +21,8 @@
   "exports": { ".": { "types": "./dist/index.d.ts", "import": "./dist/index.js" } },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document-rich-text && npm run build -w @interactive-os/json-document-web",
-    "build": "npm run clean && tsc -p tsconfig.json",
-    "pretypecheck": "npm run prebuild",
+    "build": "npm run clean && tsc -b tsconfig.json",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "test": "vitest run --config vitest.config.ts",
     "verify": "npm run typecheck && npm test && npm run build"
diff --git a/packages/json-document-rich-text/package.json b/packages/json-document-rich-text/package.json
index 0e12ddec..f8d1e9bf 100644
--- a/packages/json-document-rich-text/package.json
+++ b/packages/json-document-rich-text/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document && npm run build -w @interactive-os/json-document-selection && npm run build -w @interactive-os/json-document-editing",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "check:structure": "node scripts/check-editor-responsibilities.mjs",
-    "pretypecheck": "npm run build -w @interactive-os/json-document && npm run build -w @interactive-os/json-document-selection && npm run build -w @interactive-os/json-document-editing",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "test": "vitest run --config vitest.config.ts",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "perf": "npm run build && node benchmarks/editor.mjs",
diff --git a/packages/json-document-selection/package.json b/packages/json-document-selection/package.json
index ce32329c..00075f60 100644
--- a/packages/json-document-selection/package.json
+++ b/packages/json-document-selection/package.json
@@ -26,7 +26,7 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
     "typecheck": "tsc -p tsconfig.test.json --noEmit && tsc -p tests/dom-free/tsconfig.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
diff --git a/packages/json-document-tanstack-table/package.json b/packages/json-document-tanstack-table/package.json
index ae2db651..09ded1ef 100644
--- a/packages/json-document-tanstack-table/package.json
+++ b/packages/json-document-tanstack-table/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document-editing",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
-    "pretypecheck": "npm run build -w @interactive-os/json-document-editing",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-web/package.json b/packages/json-document-web/package.json
index 520cfd6e..824229c0 100644
--- a/packages/json-document-web/package.json
+++ b/packages/json-document-web/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document-selection && npm run build -w @interactive-os/json-document-editing",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
-    "pretypecheck": "npm run build -w @interactive-os/json-document-selection && npm run build -w @interactive-os/json-document-editing",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document-zod/package.json b/packages/json-document-zod/package.json
index f150e844..88d0e926 100644
--- a/packages/json-document-zod/package.json
+++ b/packages/json-document-zod/package.json
@@ -26,10 +26,9 @@
   },
   "scripts": {
     "clean": "rm -rf dist",
-    "prebuild": "npm run build -w @interactive-os/json-document",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "test": "vitest run --config vitest.config.ts",
-    "pretypecheck": "npm run build -w @interactive-os/json-document",
+    "pretypecheck": "node ../../scripts/workspace-tasks.mjs build-dependencies",
     "typecheck": "tsc -p tsconfig.test.json --noEmit",
     "verify": "npm run typecheck && npm test && npm run build"
   },
diff --git a/packages/json-document/package.json b/packages/json-document/package.json
index 5b8e5871..5482ebd1 100644
--- a/packages/json-document/package.json
+++ b/packages/json-document/package.json
@@ -47,7 +47,7 @@
   "scripts": {
     "clean": "rm -rf dist",
     "layers:check": "node ./scripts/evaluate-layers.mjs",
-    "build": "npm run clean && tsc -p tsconfig.json",
+    "build": "npm run clean && tsc -b tsconfig.json",
     "prepack": "npm run build",
     "prepublishOnly": "npm --prefix ../.. run release:check",
     "smoke:package": "node ./tests/package/smoke.mjs",
diff --git a/scripts/workspace-tasks.mjs b/scripts/workspace-tasks.mjs
new file mode 100644
index 00000000..7e0c285c
--- /dev/null
+++ b/scripts/workspace-tasks.mjs
@@ -0,0 +1,168 @@
+import { readFileSync } from "node:fs";
+import { spawnSync } from "node:child_process";
+import { dirname, join, normalize } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const repositoryRoot = dirname(dirname(fileURLToPath(import.meta.url)));
+
+function readJson(path) {
+  return JSON.parse(readFileSync(join(repositoryRoot, path), "utf8"));
+}
+
+const rootPackage = readJson("package.json");
+const libraryDirectories = rootPackage.workspaces.filter((directory) =>
+  directory.startsWith("packages/"),
+);
+const libraries = libraryDirectories.map((directory) => ({
+  directory,
+  manifest: readJson(`${directory}/package.json`),
+  tsconfig: readJson(`${directory}/tsconfig.json`),
+}));
+const libraryByName = new Map(libraries.map((library) => [library.manifest.name, library]));
+
+function internalDependencies(library) {
+  const manifest = library.manifest;
+  const names = Object.keys({
+    ...manifest.dependencies,
+    ...manifest.optionalDependencies,
+    ...manifest.peerDependencies,
+    ...manifest.devDependencies,
+  });
+  return names.flatMap((name) => {
+    const dependency = libraryByName.get(name);
+    return dependency === undefined ? [] : [dependency];
+  });
+}
+
+function topologicalLibraries() {
+  const result = [];
+  const visiting = new Set();
+  const visited = new Set();
+  function visit(library) {
+    const name = library.manifest.name;
+    if (visited.has(name)) return;
+    if (visiting.has(name)) throw new Error(`workspace dependency cycle: ${name}`);
+    visiting.add(name);
+    for (const dependency of internalDependencies(library)) visit(dependency);
+    visiting.delete(name);
+    visited.add(name);
+    result.push(library);
+  }
+  for (const library of libraries) visit(library);
+  return result;
+}
+
+function run(command, args) {
+  const result = spawnSync(command, args, {
+    cwd: repositoryRoot,
+    env: process.env,
+    stdio: "inherit",
+  });
+  if (result.error !== undefined) throw result.error;
+  if (result.status !== 0) process.exit(result.status ?? 1);
+}
+
+function runCaptured(command, args) {
+  const result = spawnSync(command, args, {
+    cwd: repositoryRoot,
+    env: process.env,
+    encoding: "utf8",
+  });
+  if (result.stderr) process.stderr.write(result.stderr);
+  if (result.error !== undefined) throw result.error;
+  if (result.status !== 0) {
+    if (result.stdout) process.stdout.write(result.stdout);
+    process.exit(result.status ?? 1);
+  }
+  return result.stdout;
+}
+
+function runOptionalScript(script) {
+  for (const library of topologicalLibraries()) {
+    if (library.manifest.scripts?.[script] === undefined) {
+      console.log(`[workspace:${script}] skip ${library.manifest.name}: no script`);
+      continue;
+    }
+    console.log(`[workspace:${script}] ${library.manifest.name}`);
+    run("npm", ["run", script, "--workspace", library.manifest.name]);
+  }
+}
+
+function packLibraries() {
+  run("npm", ["run", "build"]);
+  for (const library of topologicalLibraries()) {
+    if (library.manifest.private === true) {
+      console.log(`[workspace:pack] skip ${library.manifest.name}: private`);
+      continue;
+    }
+    console.log(`[workspace:pack] ${library.manifest.name}`);
+    const output = runCaptured("npm", [
+      "pack",
+      "--workspace",
+      library.manifest.name,
+      "--dry-run",
+      "--json",
+      "--cache",
+      "./.npm-cache",
+    ]);
+    const packed = JSON.parse(output)[0];
+    if (packed.files.some(({ path }) => path.endsWith(".tsbuildinfo"))) {
+      throw new Error(`${library.manifest.name}: TypeScript build metadata leaked into package`);
+    }
+    console.log(`[workspace:pack] ok ${packed.name}: ${packed.entryCount} files`);
+  }
+}
+
+function buildDependencies() {
+  const currentDirectory = normalize(process.cwd());
+  const library = libraries.find(({ directory }) =>
+    currentDirectory === normalize(join(repositoryRoot, directory)),
+  );
+  if (library === undefined) throw new Error("build-dependencies must run from a library workspace");
+  const dependencies = new Set(internalDependencies(library).map(({ manifest }) => manifest.name));
+  const configs = topologicalLibraries()
+    .filter(({ manifest }) => dependencies.has(manifest.name))
+    .map(({ directory }) => `${directory}/tsconfig.json`);
+  if (configs.length === 0) return;
+  run("npm", ["exec", "tsc", "--", "-b", ...configs]);
+}
+
+function checkWorkspaceContract() {
+  const solution = readJson("tsconfig.build.json");
+  const solutionDirectories = solution.references.map(({ path }) => normalize(path.replace(/^\.\//, "")));
+  if (JSON.stringify(solutionDirectories) !== JSON.stringify(libraryDirectories)) {
+    throw new Error("tsconfig.build.json references must match library workspaces");
+  }
+  for (const library of libraries) {
+    if (library.manifest.private === true) throw new Error(`library workspace must be publishable: ${library.directory}`);
+    for (const script of ["build", "verify"]) {
+      if (library.manifest.scripts?.[script] === undefined) throw new Error(`${library.directory}: missing ${script} script`);
+    }
+    const manifest = library.manifest;
+    const expected = internalDependencies(library)
+      .filter(({ manifest: dependency }) =>
+        manifest.dependencies?.[dependency.name] !== undefined ||
+        manifest.optionalDependencies?.[dependency.name] !== undefined ||
+        manifest.peerDependencies?.[dependency.name] !== undefined)
+      .map(({ directory }) => directory)
+      .sort();
+    const actual = (library.tsconfig.references ?? [])
+      .map(({ path }) => normalize(join(library.directory, path)))
+      .sort();
+    if (JSON.stringify(actual) !== JSON.stringify(expected)) {
+      throw new Error(`${library.directory}: project references do not match runtime dependencies`);
+    }
+  }
+  console.log(`workspace task contract ok: ${libraries.length} libraries`);
+}
+
+const command = process.argv[2];
+if (command === "check") checkWorkspaceContract();
+else if (command === "verify") runOptionalScript("verify");
+else if (command === "pack") packLibraries();
+else if (command === "build-dependencies") buildDependencies();
+else if (command === "list") console.log(topologicalLibraries().map(({ manifest }) => manifest.name).join("\n"));
+else {
+  console.error("usage: node scripts/workspace-tasks.mjs <build-dependencies|check|list|verify|pack>");
+  process.exit(2);
+}