fix(openontology): resolve manifest directories on Windows

packages/openontology/src/package.ts

@@ -1,5 +1,5 @@
 import { existsSync, readFileSync } from "node:fs";
-import { isAbsolute, join, resolve } from "node:path";
+import { dirname, isAbsolute, join, resolve } from "node:path";
 import { parse as parseYaml } from "yaml";
 import { canonicalObject, digest, packageDigest } from "./canonical.js";
 import { OPENONTOLOGY_VERSION } from "./types.js";
@@ -75,7 +75,7 @@ function loadFromDir(dirOrFile: string): LoadedPackage {
     ? base
     : findManifest(base);
 
-  const dir = manifestPath.slice(0, manifestPath.lastIndexOf("/")) || ".";
+  const dir = dirname(manifestPath);
   const manifest = canonicalObject(parseFile(manifestPath) as Manifest);
 
   if (manifest?.kind !== "OntologyPackage") {

packages/openontology/src/validate.test.ts

@@ -48,6 +48,13 @@ describe("init + validate", () => {
     expect(pkg.files.map((f) => f.path)).toContain("data/claims.ndjson");
   });
 
+  it("loads a package from an explicit manifest path", () => {
+    const { dir } = scaffold();
+    const pkg = loadOntologyPackage(join(dir, "openontology.yaml"));
+    expect(pkg.dir).toBe(dir);
+    expect(pkg.manifest.id).toBe("test-ecosystem");
+  });
+
   it("builds a deterministic digest that survives a rebuild", () => {
     const { pkg } = scaffold();
     const first = buildOntologyPackage(pkg);