diff --git a/.agents/skills/impeccable/scripts/critique-storage.mjs b/.agents/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.agents/skills/impeccable/scripts/critique-storage.mjs
+++ b/.agents/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.claude/skills/impeccable/scripts/critique-storage.mjs b/.claude/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.claude/skills/impeccable/scripts/critique-storage.mjs
+++ b/.claude/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.cursor/skills/impeccable/scripts/critique-storage.mjs b/.cursor/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.cursor/skills/impeccable/scripts/critique-storage.mjs
+++ b/.cursor/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.gemini/skills/impeccable/scripts/critique-storage.mjs b/.gemini/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.gemini/skills/impeccable/scripts/critique-storage.mjs
+++ b/.gemini/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.github/skills/impeccable/scripts/critique-storage.mjs b/.github/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.github/skills/impeccable/scripts/critique-storage.mjs
+++ b/.github/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.kiro/skills/impeccable/scripts/critique-storage.mjs b/.kiro/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.kiro/skills/impeccable/scripts/critique-storage.mjs
+++ b/.kiro/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.opencode/skills/impeccable/scripts/critique-storage.mjs b/.opencode/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.opencode/skills/impeccable/scripts/critique-storage.mjs
+++ b/.opencode/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.pi/skills/impeccable/scripts/critique-storage.mjs b/.pi/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.pi/skills/impeccable/scripts/critique-storage.mjs
+++ b/.pi/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.qoder/skills/impeccable/scripts/critique-storage.mjs b/.qoder/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.qoder/skills/impeccable/scripts/critique-storage.mjs
+++ b/.qoder/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.rovodev/skills/impeccable/scripts/critique-storage.mjs b/.rovodev/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.rovodev/skills/impeccable/scripts/critique-storage.mjs
+++ b/.rovodev/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.trae-cn/skills/impeccable/scripts/critique-storage.mjs b/.trae-cn/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.trae-cn/skills/impeccable/scripts/critique-storage.mjs
+++ b/.trae-cn/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/.trae/skills/impeccable/scripts/critique-storage.mjs b/.trae/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/.trae/skills/impeccable/scripts/critique-storage.mjs
+++ b/.trae/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/plugin/skills/impeccable/scripts/critique-storage.mjs b/plugin/skills/impeccable/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/plugin/skills/impeccable/scripts/critique-storage.mjs
+++ b/plugin/skills/impeccable/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/skill/scripts/critique-storage.mjs b/skill/scripts/critique-storage.mjs
index fa7bdf385..0db53bb56 100644
--- a/skill/scripts/critique-storage.mjs
+++ b/skill/scripts/critique-storage.mjs
@@ -27,6 +27,7 @@
 
 import fs from 'node:fs';
 import path from 'node:path';
+import { pathToFileURL } from 'node:url';
 import { getCritiqueDir } from './impeccable-paths.mjs';
 
 const SLUG_MAX = 50;
@@ -221,6 +222,10 @@ function main(argv) {
   }
 }
 
-if (import.meta.url === `file://${process.argv[1]}`) {
+// Why pathToFileURL: on Windows, import.meta.url is file:///D:/... (forward
+// slashes) while process.argv[1] is D:\... (backslashes), so the naive
+// `file://${process.argv[1]}` compare fails and main() never runs — the
+// script silently exits 0. pathToFileURL normalizes both. (issue #155)
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
   main(process.argv.slice(2));
 }
diff --git a/tests/critique-storage.test.mjs b/tests/critique-storage.test.mjs
index 6524cf950..1bfa47f16 100644
--- a/tests/critique-storage.test.mjs
+++ b/tests/critique-storage.test.mjs
@@ -6,8 +6,12 @@
 import { describe, it, beforeEach, afterEach } from 'node:test';
 import assert from 'node:assert/strict';
 import { mkdtempSync, rmSync } from 'node:fs';
-import { join } from 'node:path';
+import { join, resolve } from 'node:path';
 import { tmpdir } from 'node:os';
+import { spawnSync } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+
+const SCRIPT = fileURLToPath(new URL('../skill/scripts/critique-storage.mjs', import.meta.url));
 
 import {
   slugFromTarget,
@@ -148,6 +152,36 @@ describe('writeSnapshot + readLatestSnapshot', () => {
   });
 });
 
+describe('CLI entry point', () => {
+  // Why a subprocess test: the CLI guard at the bottom of the script
+  // previously compared import.meta.url to `file://${process.argv[1]}`,
+  // which silently broke on Windows (forward vs back slashes) — exit 0,
+  // no output, save skipped. The exported functions kept passing because
+  // tests never spawned the script as a process. See issue #155.
+  it('slug subcommand prints a slug and exits 0', () => {
+    const r = spawnSync(process.execPath, [SCRIPT, 'slug', 'site/pages/index.astro'], {
+      cwd,
+      encoding: 'utf-8',
+    });
+    assert.equal(r.status, 0, `stderr: ${r.stderr}`);
+    assert.equal(r.stdout.trim(), 'site-pages-index-astro');
+  });
+
+  it('slug subcommand exits 1 with a message for empty input', () => {
+    const r = spawnSync(process.execPath, [SCRIPT, 'slug', ''], { cwd, encoding: 'utf-8' });
+    assert.equal(r.status, 1);
+    assert.match(r.stderr, /no stable slug/);
+  });
+
+  it('latest subcommand exits 2 when no snapshot exists', () => {
+    const r = spawnSync(process.execPath, [SCRIPT, 'latest', 'never-written'], {
+      cwd,
+      encoding: 'utf-8',
+    });
+    assert.equal(r.status, 2);
+  });
+});
+
 describe('readTrend', () => {
   it('returns last N entries oldest → newest, filtered by slug', () => {
     for (let i = 0; i < 6; i++) {