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/session-messages.test.ts

@@ -0,0 +1,179 @@
+import { afterEach, describe, expect } from "bun:test"
+import { SessionV1 } from "@opencode-ai/core/v1/session"
+import { Effect, Layer } from "effect"
+import { HttpClientResponse } from "effect/unstable/http"
+import { Session as SessionNs } from "@/session/session"
+import { MessageV2 } from "../../src/session/message-v2"
+
+import { MessageID, PartID, type SessionID } from "../../src/session/schema"
+import { disposeAllInstances, TestInstance } from "../fixture/fixture"
+import { testEffect } from "../lib/effect"
+import { ProviderV2 } from "@opencode-ai/core/provider"
+import { ModelV2 } from "@opencode-ai/core/model"
+import { httpApiLayer, requestInDirectory } from "./httpapi-layer"
+
+const it = testEffect(Layer.mergeAll(SessionNs.defaultLayer, httpApiLayer))
+
+const model = {
+  providerID: ProviderV2.ID.make("test"),
+  modelID: ModelV2.ID.make("test"),
+}
+
+afterEach(async () => {
+  await disposeAllInstances()
+})
+
+const withoutWatcher = <A, E, R>(effect: Effect.Effect<A, E, R>) => {
+  if (process.platform !== "win32") return effect
+  return Effect.acquireUseRelease(
+    Effect.sync(() => {
+      const previous = process.env.OPENCODE_EXPERIMENTAL_DISABLE_FILEWATCHER
+      process.env.OPENCODE_EXPERIMENTAL_DISABLE_FILEWATCHER = "true"
+      return previous
+    }),
+    () => effect,
+    (previous) =>
+      Effect.sync(() => {
+        if (previous === undefined) delete process.env.OPENCODE_EXPERIMENTAL_DISABLE_FILEWATCHER
+        else process.env.OPENCODE_EXPERIMENTAL_DISABLE_FILEWATCHER = previous
+      }),
+  )
+}
+
+const sessionScoped = Effect.acquireRelease(SessionNs.use.create({}), (session) =>
+  SessionNs.use.remove(session.id).pipe(Effect.ignore),
+)
+
+const fill = Effect.fn("SessionMessagesTest.fill")(function* (
+  sessionID: SessionID,
+  count: number,
+  time = (i: number) => Date.now() + i,
+) {
+  const session = yield* SessionNs.Service
+  return yield* Effect.forEach(
+    Array.from({ length: count }, (_, i) => i),
+    (i) =>
+      Effect.gen(function* () {
+        const id = MessageID.ascending()
+        yield* session.updateMessage({
+          id,
+          sessionID,
+          role: "user",
+          time: { created: time(i) },
+          agent: "test",
+          model,
+          tools: {},
+        } satisfies SessionV1.User)
+        yield* session.updatePart({
+          id: PartID.ascending(),
+          sessionID,
+          messageID: id,
+          type: "text",
+          text: `m${i}`,
+        } satisfies SessionV1.TextPart)
+        return id
+      }),
+  )
+})
+
+function request(path: string) {
+  return TestInstance.pipe(Effect.flatMap((test) => requestInDirectory(path, test.directory)))
+}
+
+function json<T>(response: HttpClientResponse.HttpClientResponse) {
+  return response.json.pipe(Effect.map((body) => body as T))
+}
+
+describe("session messages endpoint", () => {
+  it.instance(
+    "returns cursor headers for older pages",
+    withoutWatcher(
+      Effect.gen(function* () {
+        const session = yield* sessionScoped
+        const ids = yield* fill(session.id, 5)
+
+        const a = yield* request(`/session/${session.id}/message?limit=2`)
+        expect(a.status).toBe(200)
+        const aBody = yield* json<SessionV1.WithParts[]>(a)
+        expect(aBody.map((item) => item.info.id)).toEqual(ids.slice(-2))
+        const cursor = a.headers["x-next-cursor"]
+        expect(cursor).toBeTruthy()
+        expect(a.headers["link"]).toContain('rel="next"')
+
+        const b = yield* request(`/session/${session.id}/message?limit=2&before=${encodeURIComponent(cursor!)}`)
+        expect(b.status).toBe(200)
+        const bBody = yield* json<SessionV1.WithParts[]>(b)
+        expect(bBody.map((item) => item.info.id)).toEqual(ids.slice(-4, -2))
+      }),
+    ),
+    { git: true },
+  )
+
+  it.instance(
+    "keeps full-history responses when limit is omitted",
+    withoutWatcher(
+      Effect.gen(function* () {
+        const session = yield* sessionScoped
+        const ids = yield* fill(session.id, 3)
+
+        const res = yield* request(`/session/${session.id}/message`)
+        expect(res.status).toBe(200)
+        const body = yield* json<SessionV1.WithParts[]>(res)
+        expect(body.map((item) => item.info.id)).toEqual(ids)
+      }),
+    ),
+    { git: true },
+  )
+
+  it.instance(
+    "rejects invalid cursors and missing sessions",
+    withoutWatcher(
+      Effect.gen(function* () {
+        const session = yield* sessionScoped
+
+        const bad = yield* request(`/session/${session.id}/message?limit=2&before=bad`)
+        expect(bad.status).toBe(400)
+
+        const miss = yield* request(`/session/ses_missing/message?limit=2`)
+        expect(miss.status).toBe(404)
+      }),
+    ),
+    { git: true },
+  )
+
+  it.instance(
+    "does not truncate large legacy limit requests",
+    withoutWatcher(
+      Effect.gen(function* () {
+        const session = yield* sessionScoped
+        yield* fill(session.id, 520)
+
+        const res = yield* request(`/session/${session.id}/message?limit=510`)
+        expect(res.status).toBe(200)
+        const body = yield* json<SessionV1.WithParts[]>(res)
+        expect(body).toHaveLength(510)
+      }),
+    ),
+    { git: true },
+  )
+
+  it.instance(
+    "accepts directory query used by workspace routing",
+    withoutWatcher(
+      Effect.gen(function* () {
+        const tmp = yield* TestInstance
+        const session = yield* sessionScoped
+        yield* fill(session.id, 1)
+
+        const res = yield* request(
+          `/session/${session.id}/message?limit=80&directory=${encodeURIComponent(tmp.directory)}`,
+        )
+        expect(res.status).toBe(200)
+        const body = yield* json<unknown[]>(res)
+        expect(Array.isArray(body)).toBe(true)
+        expect(body).toHaveLength(1)
+      }),
+    ),
+    { git: true },
+  )
+})