#pragma once
#include "slot.h"

/* Maximum number of concurrent slots */
#define FC_MAX_SLOTS 256

/* Registry entry (in-memory) */
typedef struct {
    int            active;
    struct fc_slot *slot;
    char           slot_id[FC_MAX_SLOT_ID];
} fc_registry_entry_t;

/* Global registry — managed by framecache.c */
extern fc_registry_entry_t g_registry[FC_MAX_SLOTS];
extern int                 g_registry_count;

void registry_add(struct fc_slot *slot);
void registry_remove(const char *slot_id);
struct fc_slot *registry_find(const char *slot_id);
void registry_write_json(void);   /* writes /dev/shm/framecache/registry.json */