dstalk

// Lifecycle
int  dstalk_init(const char* config_path);
void dstalk_shutdown(void);

// Plugin management
int  dstalk_plugin_load(const char* path);
int  dstalk_plugin_unload(int plugin_id);
int  dstalk_plugin_list(char** output_json);
void*dstalk_service_query(const char* name, int min_version);

// Event system
int  dstalk_event_subscribe(int type, dstalk_event_handler_fn fn, void* ud);
int  dstalk_event_emit(int type, const void* data);
void dstalk_event_unsubscribe(int sub_id);

// Config / memory / diagnostics
const char* dstalk_config_get(const char* key);
int  dstalk_config_set(const char* key, const char* value);
void*dstalk_alloc(size_t size);
void dstalk_free(void* ptr);
char*dstalk_strdup(const char* s);
void dstalk_set_diag_callback(dstalk_diag_cb cb);

// AI service: dstalk_service_query("ai.openai", 0)
typedef struct {
    int  (*configure)(const char* provider, const char* base_url,
                      const char* api_key, const char* model,
                      int max_tokens, double temperature);
    dstalk_chat_result_t (*chat)(const dstalk_message_t* history,
                      int len, const char* input, const char* tools_json);
    dstalk_chat_result_t (*chat_stream)(...);
    void (*free_result)(dstalk_chat_result_t* result);
} dstalk_ai_service_t;

// Same pattern: dstalk_session_service_t, dstalk_http_service_t,
//   dstalk_file_io_service_t, dstalk_config_service_t,
//   dstalk_tools_service_t, dstalk_lsp_service_t