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/console/core/script/promote-limits.ts

@@ -0,0 +1,22 @@
+#!/usr/bin/env bun
+
+import { $ } from "bun"
+import path from "path"
+import { Subscription } from "../src/subscription"
+
+const stage = process.argv[2]
+if (!stage) throw new Error("Stage is required")
+
+const root = path.resolve(process.cwd(), "..", "..", "..")
+
+// read the secret
+const ret = await $`bun sst secret list --fallback`.cwd(root).text()
+const lines = ret.split("\n")
+const value = lines.find((line) => line.startsWith("ZEN_LIMITS"))?.split("=")[1]
+if (!value) throw new Error("ZEN_LIMITS not found")
+
+// validate value
+Subscription.validate(JSON.parse(value))
+
+// update the secret
+await $`bun sst secret set ZEN_LIMITS ${value} --stage ${stage}`