feat: move the terminal fully into the ssh-terminal plugin (B9)

src/backend/tests/plugins/service-registry.test.ts

@@ -21,6 +21,7 @@ const {
   clearServiceRegistry,
   createServiceHandle,
   getRegistration,
+  getServiceImplementation,
   listServices,
   provideService,
   resolveRequirements,
@@ -85,6 +86,19 @@ describe("service registry", () => {
     expect(revokeService("nothing.here")).toBe(false);
   });
 
+  it("hands core the implementation of a compatible version, or nothing", () => {
+    expect(
+      getServiceImplementation("testplugin.greet", "^1.0.0"),
+    ).toBeUndefined();
+    const registration = register({ version: "1.4.0" });
+    expect(getServiceImplementation("testplugin.greet", "^1.0.0")).toBe(
+      registration.implementation,
+    );
+    expect(
+      getServiceImplementation("testplugin.greet", "^2.0.0"),
+    ).toBeUndefined();
+  });
+
   describe("resolution", () => {
     it("is satisfied when the version is in range", () => {
       register({ version: "1.2.0" });