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#ifndef TINY_CONVMEM_DOMAIN_MESSAGE_H
#define TINY_CONVMEM_DOMAIN_MESSAGE_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#define TINY_MESSAGE_ID_LENGTH 26
#define TINY_SESSION_ID_MAX 256
#define TINY_CONTENT_MAX (1024U * 1024U)
#define TINY_TOOL_CALL_ID_MAX 256
#define TINY_TAG_MAX 128
#define TINY_TAG_COUNT_MAX 32
#define TINY_QUERY_MAX 4096
#define TINY_SUMMARY_MAX 4096
#define TINY_RELATION_COUNT_MAX 32
#define TINY_SOURCE_COUNT_MAX 64
typedef enum tiny_role
{
TINY_ROLE_USER = 1,
TINY_ROLE_ASSISTANT = 2,
TINY_ROLE_SYSTEM = 3
} tiny_role_t;
typedef enum tiny_memory_tier
{
TINY_TIER_SHORT = 1,
TINY_TIER_MID = 2,
TINY_TIER_LONG = 3,
TINY_TIER_DISCARD = 4
} tiny_memory_tier_t;
typedef enum tiny_memory_kind
{
TINY_KIND_CONVERSATION = 1,
TINY_KIND_EPISODE,
TINY_KIND_SEMANTIC,
TINY_KIND_PROCEDURE,
TINY_KIND_PREFERENCE,
TINY_KIND_SUMMARY
} tiny_memory_kind_t;
typedef enum tiny_relation_type
{
TINY_RELATION_DEPENDS_ON = 1,
TINY_RELATION_DERIVED_FROM,
TINY_RELATION_SUPERSEDES,
TINY_RELATION_RELATED_TO
} tiny_relation_type_t;
typedef struct tiny_relation
{
tiny_relation_type_t type;
char message_id[TINY_MESSAGE_ID_LENGTH + 1];
} tiny_relation_t;
typedef struct tiny_metadata
{
char *tool_call_id;
char **tags;
size_t tag_count;
tiny_memory_tier_t memory_tier;
tiny_memory_kind_t memory_kind;
uint8_t importance;
char *summary;
tiny_relation_t *relations;
size_t relation_count;
char **source_message_ids;
size_t source_count;
} tiny_metadata_t;
typedef uint32_t tiny_metadata_mask_t;
#define TINY_METADATA_TOOL_CALL_ID UINT32_C(0x01)
#define TINY_METADATA_TAGS UINT32_C(0x02)
#define TINY_METADATA_TIER UINT32_C(0x04)
#define TINY_METADATA_KIND UINT32_C(0x08)
#define TINY_METADATA_IMPORTANCE UINT32_C(0x10)
#define TINY_METADATA_SUMMARY UINT32_C(0x20)
#define TINY_METADATA_RELATIONS UINT32_C(0x40)
#define TINY_METADATA_SOURCES UINT32_C(0x80)
#define TINY_METADATA_ALL UINT32_C(0xff)
typedef struct tiny_message
{
char message_id[TINY_MESSAGE_ID_LENGTH + 1];
char *session_id;
int64_t timestamp_ms;
tiny_role_t role;
char *content;
tiny_metadata_t metadata;
uint64_t revision;
int64_t updated_at_ms;
} tiny_message_t;
void tiny_message_init(tiny_message_t *message);
void tiny_message_free(tiny_message_t *message);
int tiny_message_copy(tiny_message_t *destination, const tiny_message_t *source);
const char *tiny_role_name(tiny_role_t role);
bool tiny_role_parse(const char *value, tiny_role_t *role);
const char *tiny_tier_name(tiny_memory_tier_t tier);
bool tiny_tier_parse(const char *value, tiny_memory_tier_t *tier);
const char *tiny_kind_name(tiny_memory_kind_t kind);
bool tiny_kind_parse(const char *value, tiny_memory_kind_t *kind);
const char *tiny_relation_type_name(tiny_relation_type_t type);
bool tiny_relation_type_parse(const char *value, tiny_relation_type_t *type);
bool tiny_utf8_valid(const char *value, size_t length);
bool tiny_message_id_valid(const char *value);
bool tiny_metadata_valid(const tiny_metadata_t *metadata);
#endif
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