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base repository: agentclientprotocol/java-sdk
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head repository: luoyu3rd/java-sdk
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  • 1 commit
  • 5 files changed
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Commits on Mar 31, 2026

  1. fix: resolve duplicate JSON fields in SessionUpdate and ContentBlock … 

    …serialization

When using @JsonTypeInfo with visible=true, Jackson was outputting duplicate
fields for the type identifier property (sessionUpdate and type). This caused
JSON-RPC parsing failures in Zed editor with error:
"duplicate field `sessionUpdate` at line 1 column 115"

The fix uses JsonTypeInfo.As.EXISTING_PROPERTY with visible=true, which tells
Jackson to use the existing record field as the type identifier instead of
adding a separate one during serialization.

Changes:
- AcpSchema.java: Update @JsonTypeInfo annotations for SessionUpdate and
  ContentBlock interfaces to use EXISTING_PROPERTY include mode
- Test files: Fix incorrect sessionUpdate values ("agentMessage" ->
  "agent_message_chunk", "userMessage" -> "user_message_chunk") that were
  previously masked by the serialization bug
    @luoyu3rd
    wangyulong authored and luoyu3rd committed Mar 31, 2026
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