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fix: route MCP delegation through platform A2A #1643

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hongming merged 1 commits from fix/mcp-delegate-platform-path into main 2026-05-21 18:38:12 +00:00
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hongming commented 2026-05-21 18:22:51 +00:00
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What

  • Route server-side MCP delegate_task and delegate_task_async through WorkspaceHandler.ProxyA2ARequest.
  • Remove the duplicate mcpResolveURL direct-dispatch helper.
  • Add MCP regression tests proving sync and async delegation call the platform A2A proxy with the caller/target IDs and A2A body.

Why

The MCP bridge had a separate direct URL dispatch path, so it could drift from the platform A2A behavior and bypass poll-mode handling used by external workspaces. Platform-owned and external workspaces should share the same A2A/delegation transport decision point.

Verification

  • go test ./internal/handlers -run 'TestMCPHandler_DelegateTask|TestMCPHandler_DelegateTaskAsync' -count=1
  • go test ./internal/handlers -run 'TestMCPHandler|TestProxyA2A_PollMode|TestRegister_.*Poll|TestRegister_ExternalRuntime' -count=1
  • go test ./internal/handlers -count=1

Tier

Tier 2 — server-side MCP delegation routing fix with handler coverage.

## What - Route server-side MCP delegate_task and delegate_task_async through WorkspaceHandler.ProxyA2ARequest. - Remove the duplicate mcpResolveURL direct-dispatch helper. - Add MCP regression tests proving sync and async delegation call the platform A2A proxy with the caller/target IDs and A2A body. ## Why The MCP bridge had a separate direct URL dispatch path, so it could drift from the platform A2A behavior and bypass poll-mode handling used by external workspaces. Platform-owned and external workspaces should share the same A2A/delegation transport decision point. ## Verification - go test ./internal/handlers -run 'TestMCPHandler_DelegateTask|TestMCPHandler_DelegateTaskAsync' -count=1 - go test ./internal/handlers -run 'TestMCPHandler|TestProxyA2A_PollMode|TestRegister_.*Poll|TestRegister_ExternalRuntime' -count=1 - go test ./internal/handlers -count=1 ## Tier Tier 2 — server-side MCP delegation routing fix with handler coverage.
hongming added 1 commit 2026-05-21 18:22:52 +00:00
fix: route mcp delegation through platform a2a
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core-qa approved these changes 2026-05-21 18:32:44 +00:00
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Approved: MCP delegation now routes through platform A2A SSOT with focused handler coverage; no direct workspace URL dispatch remains in the MCP delegate path.

Approved: MCP delegation now routes through platform A2A SSOT with focused handler coverage; no direct workspace URL dispatch remains in the MCP delegate path.
core-security approved these changes 2026-05-21 18:32:45 +00:00
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Approved: MCP delegation now routes through platform A2A SSOT with focused handler coverage; no direct workspace URL dispatch remains in the MCP delegate path.

Approved: MCP delegation now routes through platform A2A SSOT with focused handler coverage; no direct workspace URL dispatch remains in the MCP delegate path.
hongming merged commit da4b86a159 into main 2026-05-21 18:38:12 +00:00
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Reference: molecule-ai/molecule-core#1643
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