fix: load plugin packages from config dirs

src/plugins/discovery.test.ts

@@ -131,4 +131,32 @@ describe("discoverClawdbotPlugins", () => {
     const ids = candidates.map((c) => c.idHint);
     expect(ids).toContain("voice-call");
   });
+
+  it("treats configured directory paths as plugin packages", async () => {
+    const stateDir = makeTempDir();
+    const packDir = path.join(stateDir, "packs", "demo-plugin-dir");
+    fs.mkdirSync(packDir, { recursive: true });
+
+    fs.writeFileSync(
+      path.join(packDir, "package.json"),
+      JSON.stringify({
+        name: "@clawdbot/demo-plugin-dir",
+        clawdbot: { extensions: ["./index.js"] },
+      }),
+      "utf-8",
+    );
+    fs.writeFileSync(
+      path.join(packDir, "index.js"),
+      "module.exports = {}",
+      "utf-8",
+    );
+
+    const { candidates } = await withStateDir(stateDir, async () => {
+      const { discoverClawdbotPlugins } = await import("./discovery.js");
+      return discoverClawdbotPlugins({ extraPaths: [packDir] });
+    });
+
+    const ids = candidates.map((c) => c.idHint);
+    expect(ids).toContain("demo-plugin-dir");
+  });
 });