Build composable Camino packages with explicit type and source dependencies

test/emit-managed.ts

@@ -198,3 +198,24 @@ package Owner id "package:owner" revision "package:owner@1" {
 }
 
 await import("./emit-controllers.js");
+
+// Standalone public builder roots must work without opting into the other modes.
+for (const kind of ["portable", "service"]) {
+  const pkg = compileCapabilityResourceSource(
+    `package Owner id "package:owner" revision "package:owner@1" {
+    function identity id "identity" : int32 -> record {pid:int32;child:int32;}
+    execution ${kind === "portable" ? "snapshot targets [browser,server]" : "remote"};
+  }`,
+    { source },
+  );
+  assert.ok(pkg.ok && pkg.resource.kind === "package", JSON.stringify(pkg.diagnostics));
+  const workspace = compileCapabilitySource(
+    `workspace Simple id "workspace:simple" revision "workspace:simple@1" commit "${source.commit}" {import package Owner;}`,
+    "workspace.qx",
+    { packages: new Map([["Owner", pkg.resource.revision]]) },
+  );
+  assert.ok(workspace.ok, JSON.stringify(workspace.diagnostics));
+  const directory = `dist/managed/standalone-${kind}`;
+  await mkdir(directory, { recursive: true });
+  await writeFile(`${directory}/execution-plan.json`, JSON.stringify(compileExecutionPlan(workspace.workspace)));
+}