feat(scum): add bounded vehicle spawn adapter

plugins/tests/manifest-validation.test.ts

@@ -173,6 +173,19 @@ describe("plugin manifest validation", () => {
     expect(validateManifestFile("examples/scum-server-plugin/manifest.json")).toEqual([]);
   });
 
+  it("declares a fixed, schema-bound vehicle spawn instead of a raw command surface", () => {
+    const pluginDir = path.join(pluginsRoot, "examples/scum-server-plugin");
+    const manifest = JSON.parse(fs.readFileSync(path.join(pluginDir, "manifest.json"), "utf8")) as { gameClientBridge: { commands: Array<{ type: string; payloadSchemaRef: string; resultSchemaRef?: string }>; features: Array<{ key: string; requiredHandlers?: string[] }> } };
+    const command = manifest.gameClientBridge.commands.find((candidate) => candidate.type === "vehicle.spawn");
+    expect(command).toBeDefined();
+    expect(manifest.gameClientBridge.features.find((feature) => feature.key === "vehicle.spawn")?.requiredHandlers).toEqual(["vehicle.spawn"]);
+    const payload = JSON.parse(fs.readFileSync(path.join(pluginDir, command!.payloadSchemaRef), "utf8"));
+    const result = JSON.parse(fs.readFileSync(path.join(pluginDir, command!.resultSchemaRef!), "utf8"));
+    expect(payload).toMatchObject({ additionalProperties: false, required: ["vehicleCode"], properties: { vehicleCode: { enum: ["BPC_Laika_C", "BPC_WolfsWagen_C"] } } });
+    expect(JSON.stringify(payload).toLowerCase()).not.toMatch(/command|rcon|target|credential|socket|shell|sql/);
+    expect(result).toMatchObject({ additionalProperties: false, properties: { outcome: { enum: ["succeeded", "failed", "unknown"] } } });
+  });
+
   it("declares a frozen SCUM install/adopt template with explicit mapping and verification checks", () => {
     const manifest = JSON.parse(fs.readFileSync(path.join(pluginsRoot, "examples/scum-server-plugin/manifest.json"), "utf8")) as any;
     const template = manifest.runtimeProfiles.serverDeployments[0];