Function cbm_store_coverage_shadow_project

src/store/store.c:2630–2632

/* ── Index coverage (#963) ──────────────────────────────────────── */

void cbm_store_coverage_shadow_project(char *dst, size_t dstsz, const char *project) {
    snprintf(dst, dstsz, "%s::missed", project);
}

/* Minimal JSON string escape (quotes, backslashes, control chars → space). */
static void cov_json_escape(char *dst, size_t dstsz, const char *src) {