feat(mobile-next): 导入官方 openim-flutter-demo 固定基线 3.8.3-patch.3 并完成双构建

- 上游: github.com/OpenIMSDK/openim-flutter-demo tag 3.8.3-patch.3
  commit b3dfdb1e8aaeaaf6f0793e10cadd20d5c184a31f
- 并行目录 mobile-next/ 原样导入(含 LICENSE),不覆盖现网 mobile/
- 锁定 Flutter 3.24.5 / Dart 3.5.4 / JDK 17 / Gradle 7.6.3 / AGP 7.3.1
- 实测 Android debug 与 release 构建均成功(见 docs/mobile-next-baseline-import.md)
- 本提交可单独回退:git revert 1db1229(重写前)

Co-authored-by: multica-agent <github@multica.ai>
This commit is contained in:
编码工程师
2026-08-19 15:24:33 +08:00
co-authored by multica-agent
parent fa8584a73f
commit 8046ec7483
767 changed files with 57658 additions and 0 deletions
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