feat: 完善格式转换，修复gemini渠道和openai渠道在claude code中使用的问题

[Calcium-Ion]

Summary by CodeRabbit

• New Features

  • Improved handling of tool call responses and finish reasons in Gemini chat streaming and final responses.
  • Enhanced support for multiple relay formats in non-streaming chat responses.
  • Added utility methods to inspect and modify chat completion streaming responses.

• Bug Fixes

  • Tool names in tool result messages are now reliably resolved, ensuring accurate naming in OpenAI message conversions.

• Chores

  • Added internal debug code (inactive by default) for easier troubleshooting and request inspection.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

This update introduces new utility methods for request and response DTOs, enhances tool call and finish reason handling in Gemini chat relay logic, and improves tool name resolution in Claude-to-OpenAI request conversion. Additionally, debug print statements and file output blocks are added as commented-out code for troubleshooting, without affecting runtime behavior.

Changes

Cohort / File(s)	Change Summary
Debug/Logging Additions common/gin.go, relay/channel/openai/adaptor.go	Added commented-out debug print statements and file output blocks for inspecting request bodies and conversion results; these are inactive by default and do not alter logic.
Claude DTO Enhancements dto/claude.go	Added SearchToolNameByToolCallId method to ClaudeRequest for resolving tool names by tool call ID within request messages.
OpenAI Response DTO Enhancements dto/openai_response.go	Added IsFinished() method to check finish status and ClearToolCalls() method to clear tool call data in ChatCompletionsStreamResponse.
Gemini Chat Relay Logic relay/channel/gemini/relay-gemini.go	Enhanced streaming and final response handling for Gemini chat: tracks and sets finish reasons for tool calls, clears tool call data, and supports multiple relay formats with appropriate marshaling and response writing.
Claude-to-OpenAI Conversion Improvements service/convert.go	Improved handling of tool result messages: ensures tool names are resolved, tracks last message type for tool calls, and initializes input fields in streaming conversion.

Sequence Diagram(s)

Gemini Chat Streaming Tool Call Handling

sequenceDiagram
    participant Client
    participant GeminiRelay
    participant OpenAI/Claude Adapter

    Client->>GeminiRelay: Send chat request
    GeminiRelay->>OpenAI/Claude Adapter: Forward request
    OpenAI/Claude Adapter-->>GeminiRelay: Streamed response (may include tool calls)
    GeminiRelay->>GeminiRelay: Check for tool calls in response
    alt Tool call present
        GeminiRelay->>GeminiRelay: Set finishReason = "tool_calls"
        GeminiRelay->>GeminiRelay: Clear tool call arguments
        GeminiRelay->>Client: Send empty response with tool call info
    end
    GeminiRelay->>Client: Stream final response with dynamic finishReason

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Claude Tool Name Resolution

sequenceDiagram
    participant ConvertService
    participant ClaudeRequest
    participant ClaudeMediaMessage

    ConvertService->>ClaudeRequest: SearchToolNameByToolCallId(toolCallId)
    ClaudeRequest->>ClaudeMediaMessage: Iterate messages, parse content
    ClaudeMediaMessage-->>ClaudeRequest: If Id matches, return Name
    ClaudeRequest-->>ConvertService: Return tool name or ""

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~18 minutes

Poem

A bunny hops through code so bright,
Debug prints hidden out of sight.
Tool names found, responses clear,
Gemini streams with finish near.
DTOs now smarter, conversions too—
With every hop, improvements grew!
🐇✨

Note

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between cda4790 and daa7a13.

📒 Files selected for processing (6)

• common/gin.go (1 hunks)
• dto/claude.go (1 hunks)
• dto/openai_response.go (2 hunks)
• relay/channel/gemini/relay-gemini.go (5 hunks)
• relay/channel/openai/adaptor.go (1 hunks)
• service/convert.go (2 hunks)

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• Create PR with unit tests
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• Commit unit tests in branch claude-code

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