#2

1 files changed, 46 insertions, 0 deletions

diff --git a/include/hybbx/circuit_bridge.h b/include/hybbx/circuit_bridge.h
new file mode 100644
index 0000000..1eb24b4
--- /dev/null
+++ b/include/hybbx/circuit_bridge.h
@@ -0,0 +1,46 @@
+#ifndef HYBBX_CIRCUIT_BRIDGE_H
+#define HYBBX_CIRCUIT_BRIDGE_H
+
+/**
+ * Main-side bridge registry for remote Secondaries — one entry per
+ * [transport.packet_radioN], [transport.ardopN], or [transport.crdopN] section
+ * (link metadata; RF runs on the Secondary host).
+ * Secondaries (edge extenders/repeaters, not telnet users or local Main transports)
+ * authenticate with matching link_id + link_password over the HBX/TCP circuit hub.
+ */
+
+#include "hybbx/config.h"
+#include "hybbx/link.h"
+#include "hybbx/limits.h"
+#include "hybbx/types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct hybbx_circuit_bridge_entry {
+    char link_id[HYBBX_LINK_ID_MAX];
+    char link_password[128];
+    char link_role[HYBBX_LINK_ROLE_MAX];
+    double frequency_mhz;
+} hybbx_circuit_bridge_entry_t;
+
+typedef struct hybbx_circuit_bridge_registry {
+    hybbx_circuit_bridge_entry_t entries[HYBBX_CIRCUIT_MAX_LINKS];
+    unsigned count;
+} hybbx_circuit_bridge_registry_t;
+
+void hybbx_circuit_bridge_clear(hybbx_circuit_bridge_registry_t *reg);
+
+/** Load transport.packet_radioN, transport.ardopN, and transport.crdopN sections. */
+hybbx_result_t hybbx_circuit_bridge_load(hybbx_circuit_bridge_registry_t *reg,
+                                         const hybbx_config_t *config);
+
+const hybbx_circuit_bridge_entry_t *hybbx_circuit_bridge_find(
+    const hybbx_circuit_bridge_registry_t *reg, const char *link_id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HYBBX_CIRCUIT_BRIDGE_H */