feat(meshtastic): extract LoBBS plugin library

LoBBSCommandCtx.h

@@ -0,0 +1,29 @@
+#pragma once
+#if !MESHTASTIC_EXCLUDE_LOBBS
+
+#include "LoBBSConfig.h"
+#include <stdint.h>
+
+class LoBBSModule;
+typedef struct _meshtastic_MeshPacket meshtastic_MeshPacket;
+
+/** Resolved once per incoming command in dispatch (Auth owns load rules). */
+struct LoBBSSession {
+    uint32_t nodeId = 0;
+    uint64_t userUuid = 0;
+    char username[LOBBS_USERNAME_BUFFER_SIZE] = {0};
+    bool isSysop = false;
+    char cwd[LOBBS_CWD_BUFFER_SIZE] = "/";
+};
+
+struct LoBBSCommandCtx {
+    LoBBSModule *mod = nullptr;
+    const meshtastic_MeshPacket *mp = nullptr;
+    uint32_t reqId = 0;
+    LoBBSSession session;
+    /** Remainder after verb; mutable cursor for shift/takePage. */
+    char *rest = nullptr;
+    uint32_t page = 1;
+};
+
+#endif