Improve HarmonyOS build validation and integration support

[lqjdm]

Changes

Fixes #the-issue-number-here

Optional tools

• It is recommended to use the /frb-develop-feature skill, which contains detailed guidance for the agent to develop a feature.
• There is a devcontainer and Dockerfile at .devcontainer, which optionally helps creating a standardized development environment.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.22%. Comparing base (848e438) to head (319886b).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3472   +/-   ##
=======================================
  Coverage   99.22%   99.22%           
=======================================
  Files         512      512           
  Lines       32833    32833           
=======================================
  Hits        32579    32579           
  Misses        254      254           

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[fzyzcjy]

hi, could you please ping your agent to follow the skills in this repo to make CI green

[lqjdm]

嗨，你能ping你的代理遵循这个回购中的技能，使CI绿色吗？

ok

[lqjdm]

hi, could you please ping your agent to follow the skills in this repo to make CI green

Could you please rerun only the two failed jobs from CI run #16577?

• Test :: Dart :: Web (dart2js / frb_example--pure_dart_pde)
• Test :: Flutter :: Quickstart Smoke:: macos (macos)
  All other checks have passed. Both failures appear to be intermittent environment issues, so rerunning the failed jobs should be sufficient.

[fzyzcjy]

triggered

[lqjdm]

触发的

thanks