fix(process): default capture networking to loopback

src/domain/processCapture.ts

@@ -42,7 +42,7 @@ export const processScenarioSchema = z
     environment: z.record(environmentName, z.string()).default({}),
     inherit_environment: z.array(environmentName).max(64).default([]),
     secret_aliases: z.array(environmentName).max(64).default([]),
-    network_access: z.literal("host").default("host"),
+    network_access: z.enum(["loopback", "host"]).default("loopback"),
     filesystem_roots: z.array(z.string().startsWith("/")).max(16).default([]),
     events: z
       .array(

tests/processCapture.test.ts

@@ -72,8 +72,12 @@ describe("process capture domain", () => {
   });
 
   it("requires explicit operator approval for host network access", () => {
+    const scenario = parseProcessScenario({
+      ...base,
+      network_access: "host",
+    });
     expect(
-      authorizeProcessScenario(parseProcessScenario(base), {
+      authorizeProcessScenario(scenario, {
         enabled: true,
         executableRoots: ["/bin"],
         workingRoots: ["/tmp"],
@@ -86,6 +90,20 @@ describe("process capture domain", () => {
     });
   });
 
+  it("allows loopback replay without external network approval", () => {
+    const scenario = parseProcessScenario(base);
+    expect(scenario.network_access).toBe("loopback");
+    expect(
+      authorizeProcessScenario(scenario, {
+        enabled: true,
+        executableRoots: ["/bin"],
+        workingRoots: ["/tmp"],
+        allowedEnvironment: [],
+        allowExternalNetwork: false,
+      }),
+    ).toEqual({ allowed: true });
+  });
+
   it("refuses paths and environment outside operator policy", () => {
     const scenario = parseProcessScenario({
       ...base,