feat: 品牌替换 + 启动优化 + AGENTS.md 模板定制

- 品牌替换：OpenCode/opencode → AirCoding/aircoding（16+ 文件）
- Logo ASCII art：修复 left/right 行数不匹配导致的启动崩溃
- 启动诊断：添加 OPENCODE_PRINT_TIMING 计时探针
- dev 模式默认 --pure 跳过外部插件加载
- AGENTS.md 模板：追加 AirCoding 多 Agent 专项段落
- architect prompt + plugin：强化 AGENTS.md 产出验证

packages/opencode/test/server/httpapi-instance-route-auth.test.ts

@@ -0,0 +1,81 @@
+import { afterEach, describe, expect, test } from "bun:test"
+import { ConfigProvider, Layer } from "effect"
+import { HttpRouter } from "effect/unstable/http"
+import { EventPaths } from "../../src/server/routes/instance/httpapi/groups/event"
+import { PtyPaths } from "../../src/server/routes/instance/httpapi/groups/pty"
+import { HttpApiApp } from "../../src/server/routes/instance/httpapi/server"
+import { ServerAuth } from "../../src/server/auth"
+import { PtyID } from "@opencode-ai/core/pty/schema"
+import { resetDatabase } from "../fixture/db"
+import { disposeAllInstances, tmpdir } from "../fixture/fixture"
+
+function app(input: { password?: string; username?: string }) {
+  const handler = HttpRouter.toWebHandler(
+    HttpApiApp.routes.pipe(
+      Layer.provide(
+        ConfigProvider.layer(
+          ConfigProvider.fromUnknown({
+            OPENCODE_SERVER_PASSWORD: input.password,
+            OPENCODE_SERVER_USERNAME: input.username,
+          }),
+        ),
+      ),
+    ),
+    { disableLogger: true },
+  ).handler
+
+  return {
+    fetch: (request: Request) => handler(request, HttpApiApp.context),
+    request(input: string | URL | Request, init?: RequestInit) {
+      return this.fetch(input instanceof Request ? input : new Request(new URL(input, "http://localhost"), init))
+    },
+  }
+}
+
+function basic(username: string, password: string) {
+  return ServerAuth.header({ username, password }) ?? ""
+}
+
+async function cancelBody(response: Response) {
+  await response.body?.cancel().catch(() => {})
+}
+
+afterEach(async () => {
+  await disposeAllInstances()
+  await resetDatabase()
+})
+
+describe("HttpApi instance route authorization", () => {
+  test("requires configured auth before opening the instance event stream", async () => {
+    await using tmp = await tmpdir({ git: true, config: { formatter: false, lsp: false } })
+    const server = app({ password: "secret" })
+    const headers = { "x-opencode-directory": tmp.path }
+
+    const missing = await server.request(EventPaths.event, { headers })
+    await cancelBody(missing)
+    expect(missing.status).toBe(401)
+
+    const authed = await server.request(EventPaths.event, {
+      headers: { ...headers, authorization: basic("opencode", "secret") },
+    })
+    await cancelBody(authed)
+    expect(authed.status).toBe(200)
+  })
+
+  test("requires configured auth before resolving the PTY websocket route", async () => {
+    await using tmp = await tmpdir({ git: true, config: { formatter: false, lsp: false } })
+    const server = app({ password: "secret" })
+    const route = PtyPaths.connect.replace(":ptyID", PtyID.ascending())
+    const headers = { "x-opencode-directory": tmp.path }
+
+    const missing = await server.request(route, { headers })
+    await cancelBody(missing)
+    expect(missing.status).toBe(401)
+
+    const authed = await server.request(route, {
+      headers: { ...headers, authorization: basic("opencode", "secret") },
+    })
+    await cancelBody(authed)
+    expect(authed.status).toBe(404)
+  })
+})