Introduce bind presets for deployment setup

Co-Authored-By: Paperclip <noreply@paperclip.ing>

cli/src/__tests__/network-bind.test.ts

@@ -0,0 +1,35 @@
+import { describe, expect, it } from "vitest";
+import { resolveRuntimeBind, validateConfiguredBindMode } from "@paperclipai/shared";
+
+describe("network bind helpers", () => {
+  it("rejects non-loopback bind modes in local_trusted", () => {
+    expect(
+      validateConfiguredBindMode({
+        deploymentMode: "local_trusted",
+        deploymentExposure: "private",
+        bind: "lan",
+        host: "0.0.0.0",
+      }),
+    ).toContain("local_trusted requires server.bind=loopback");
+  });
+
+  it("resolves tailnet bind using the detected tailscale address", () => {
+    const resolved = resolveRuntimeBind({
+      bind: "tailnet",
+      host: "127.0.0.1",
+      tailnetBindHost: "100.64.0.8",
+    });
+
+    expect(resolved.errors).toEqual([]);
+    expect(resolved.host).toBe("100.64.0.8");
+  });
+
+  it("requires a custom bind host when bind=custom", () => {
+    const resolved = resolveRuntimeBind({
+      bind: "custom",
+      host: "127.0.0.1",
+    });
+
+    expect(resolved.errors).toContain("server.customBindHost is required when server.bind=custom");
+  });
+});