Feat: MCP host mode supports STREAMABLE-HTTP endpoint

[yongtenglei]

What problem does this PR solve?

MCP host mode supports STREAMABLE-HTTP endpoint

Type of change

• New Feature (non-breaking change which adds functionality)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 44.14%. Comparing base (a68c56d) to head (62046c8).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13037      +/-   ##
==========================================
+ Coverage   44.13%   44.14%   +0.01%     
==========================================
  Files          43       43              
  Lines        9378     9380       +2     
  Branches      107      107              
==========================================
+ Hits         4139     4141       +2     
  Misses       5220     5220              
  Partials       19       19              

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