fix: handle ambiguous prompt transport failures

packages/web/server/lib/opencode/network-runtime.test.js

@@ -2,36 +2,56 @@ import { afterEach, describe, expect, it, vi } from 'vitest';
 
 import { createOpenCodeNetworkRuntime } from './network-runtime.js';
 
-const createRuntime = () => createOpenCodeNetworkRuntime({
+const originalFetch = globalThis.fetch;
+
+const createRuntime = (overrides = {}) => createOpenCodeNetworkRuntime({
   state: {
     openCodePort: 4096,
     openCodeBaseUrl: null,
     openCodeApiPrefix: '',
     openCodeApiPrefixDetected: false,
     openCodeApiDetectionTimer: null,
+    ...overrides.state,
   },
   getOpenCodeAuthHeaders: () => ({}),
+  configuredOpenCodeHostname: overrides.configuredOpenCodeHostname,
 });
 
 describe('OpenCode network runtime', () => {
   afterEach(() => {
     vi.useRealTimers();
-    vi.unstubAllGlobals();
+    globalThis.fetch = originalFetch;
   });
 
-  it('clears the probe abort timer when readiness fetch rejects', async () => {
-    vi.useFakeTimers();
-    vi.setSystemTime(0);
-    vi.stubGlobal('fetch', vi.fn(async () => {
+  it('returns false when readiness fetch rejects', async () => {
+    globalThis.fetch = vi.fn(async () => {
       throw new Error('offline');
-    }));
+    });
 
     const runtime = createRuntime();
     const readyPromise = runtime.waitForReady('http://127.0.0.1:4096', 1);
 
-    await vi.advanceTimersByTimeAsync(100);
     await expect(readyPromise).resolves.toBe(false);
+  });
 
-    expect(vi.getTimerCount()).toBe(0);
+  it('builds managed OpenCode URLs against IPv4 loopback by default', () => {
+    const runtime = createRuntime();
+
+    expect(runtime.buildOpenCodeUrl('/provider')).toBe('http://127.0.0.1:4096/provider');
+  });
+
+  it('keeps external OpenCode base URLs authoritative', () => {
+    const runtime = createRuntime({
+      state: { openCodeBaseUrl: 'http://remote.example:4096' },
+    });
+
+    expect(runtime.buildOpenCodeUrl('/provider')).toBe('http://remote.example:4096/provider');
+  });
+
+  it('normalizes wildcard and IPv6 OpenCode bind hosts for local connects', () => {
+    expect(createRuntime({ configuredOpenCodeHostname: '0.0.0.0' }).buildOpenCodeUrl('/provider'))
+      .toBe('http://127.0.0.1:4096/provider');
+    expect(createRuntime({ configuredOpenCodeHostname: '::1' }).buildOpenCodeUrl('/provider'))
+      .toBe('http://[::1]:4096/provider');
   });
 });