feat(context): support chaining

[wanghaolong613]

context support chaining

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.84%. Comparing base (3dc1cd6) to head (322da9c).
⚠️ Report is 211 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4440      +/-   ##
==========================================
- Coverage   99.21%   98.84%   -0.38%     
==========================================
  Files          42       44       +2     
  Lines        3182     2932     -250     
==========================================
- Hits         3157     2898     -259     
- Misses         17       21       +4     
- Partials        8       13       +5     

Flag	Coverage Δ
	?
--ldflags="-checklinkname=0" -tags sonic	98.83% <100.00%> (?)
-tags go_json	98.76% <100.00%> (?)
-tags nomsgpack	98.82% <100.00%> (?)
go-1.18	?
go-1.19	?
go-1.20	?
go-1.21	?
go-1.24	98.84% <100.00%> (?)
go-1.25	98.84% <100.00%> (?)
macos-latest	98.84% <100.00%> (-0.38%)	⬇️
ubuntu-latest	98.84% <100.00%> (-0.38%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.