[WIP] Integrate microsoft/mcp-gateway to station to enable mcp server scaling

[eanzhao]

For issue #1382

[codecov]

Codecov Report

❌ Patch coverage is 44.60999% with 632 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...evatar.Application/MCPGateway/MCPGatewayManager.cs	0.00%	305 Missing ⚠️
....GAgents.MCP/McpClient/GatewayMcpClientProvider.cs	54.31%	84 Missing and 6 partials ⚠️
...tar.Application/MCPGateway/MCPGatewayAppService.cs	62.88%	78 Missing and 7 partials ⚠️
...s/src/Aevatar.GAgents.MCP/GAgents/MCPGAgentBase.cs	32.96%	58 Missing and 3 partials ⚠️
...evatar.HttpApi/Controllers/MCPGatewayController.cs	0.00%	52 Missing ⚠️
...cation.Contracts/MCPGateway/MCPAdapterStatusDto.cs	53.84%	24 Missing ⚠️
....Application.Contracts/MCPGateway/MCPAdapterDto.cs	83.33%	8 Missing ⚠️
...src/Aevatar.GAgents.MCP/AevatarGAgentsMCPModule.cs	70.00%	3 Missing ⚠️
...rc/Aevatar.Application/AevatarApplicationModule.cs	78.57%	3 Missing ⚠️
...vatar.GAgents.MCP.Core/Options/MCPGatewayConfig.cs	98.30%	0 Missing and 1 partial ⚠️

@@            Coverage Diff             @@
##              dev    #1399      +/-   ##
==========================================
+ Coverage   39.93%   41.17%   +1.24%     
==========================================
  Files         637      651      +14     
  Lines       25824    27698    +1874     
  Branches     2424     2579     +155     
==========================================
+ Hits        10312    11404    +1092     
- Misses      14912    15660     +748     
- Partials      600      634      +34     

Flag	Coverage Δ
unittests	41.17% <44.60%> (+1.24%)	⬆️

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

Files with missing lines	Coverage Δ
...evatar.GAgents.MCP.Core/Options/MCPServerConfig.cs	91.04% <100.00%> (+28.54%)	⬆️
...c/Aevatar.GAgents.MCP.Core/State/MCPGAgentState.cs	100.00% <100.00%> (ø)
...Application/AevatarApplicationAutoMapperProfile.cs	100.00% <100.00%> (ø)
...vatar.GAgents.MCP.Core/Options/MCPGatewayConfig.cs	98.30% <98.30%> (ø)
...src/Aevatar.GAgents.MCP/AevatarGAgentsMCPModule.cs	78.57% <70.00%> (-21.43%)	⬇️
...rc/Aevatar.Application/AevatarApplicationModule.cs	94.82% <78.57%> (-5.18%)	⬇️
....Application.Contracts/MCPGateway/MCPAdapterDto.cs	83.33% <83.33%> (ø)
...cation.Contracts/MCPGateway/MCPAdapterStatusDto.cs	53.84% <53.84%> (ø)
...evatar.HttpApi/Controllers/MCPGatewayController.cs	0.00% <0.00%> (ø)
...s/src/Aevatar.GAgents.MCP/GAgents/MCPGAgentBase.cs	60.11% <32.96%> (-27.98%)	⬇️
... and 3 more

... and 21 files with indirect coverage changes

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