docs: add station v5 replace v4 design spec

Junjie

3 天以前 1a5e3a734a07866c9a46e1b4e8267bcfbe7c6fe2

 src/main/java/com/zy/ai/entity/ChatCompletionRequest.java

@@ -21,6 +21,7 @@
    public static class Message {
        private String role;    // "user" / "assistant" / "system"
        private String content;
        private String reasoningContent;
        private String name;
        private String tool_call_id;
        private List<ToolCall> tool_calls;