#ifndef HOLY_PREVIEW_H
#define HOLY_PREVIEW_H

/* returns 0 for a collision-free preview, 4 for conflicts, 1/2/6 for errors. */
int holy_preview_local(const char *package, const char *root);
/* json emits events; -1 suppresses successful output for plan validation. */
int holy_preview_local_format(const char *package, const char *root, int json);

/* caller supplies a solved graph; completed requires separate payload verification. */
int holy_preview_resolved(const char *package, const char *root, int completed,
                          int accepted_privileged, int skipped_hooks);

#endif