Function server_log

ds4_server.c:7609–7634

    ANTH_BLOCK_THINKING,
    ANTH_BLOCK_TEXT,
    ANTH_BLOCK_TOOL,
} anthropic_block_type;

typedef struct {
    dsml_tool_stream_state state;
    const dsml_syntax *syn;
    size_t parse_pos;
    int index;
    bool active;
    bool emitted_any;
    bool args_open;
    bool first_param;
    bool param_is_string;
    char **ids;
    int ids_cap;
} anthropic_tool_stream;

/* Anthropic streaming uses the same sampled DSML bytes that will later be
 * parsed and remembered for exact continuation.  This state is only a wire
 * projection: it turns an in-progress DSML block into content_block/tool_use
 * SSE events, and never rewrites the model-visible transcript or cache key. */
typedef struct {
    anthropic_stream_mode mode;
    anthropic_block_type open_block;
    int next_index;
    size_t emit_pos;
    bool active;
    bool checked_think_prefix;
    bool guard_second_reasoning;