feat: allow MAC spoofing in Bluetooth stack, show paired devices in Bluetooth app

programs/include/Api/Syscall.hpp

@@ -182,6 +182,13 @@ namespace Montauk {
     // Paginated directory read (path, names, max, startIndex)
     static constexpr uint64_t SYS_READDIR_AT          = 136;
 
+    // Set adapter BD_ADDR (6-byte buffer, addr[0] = LSB)
+    static constexpr uint64_t SYS_BTSETADDR           = 137;
+
+    // List bonded (paired) devices / forget a bond
+    static constexpr uint64_t SYS_BTBONDS             = 138;
+    static constexpr uint64_t SYS_BTFORGET            = 139;
+
     // Graceful power-off request actions (SYS_POWER_REQUEST). The desktop posts
     // a pending action and exits; login.elf reads it, runs the shutdown stages,
     // then issues the matching SYS_SHUTDOWN / SYS_RESET.
@@ -433,6 +440,12 @@ namespace Montauk {
         char     name[64];
     };
 
+    // Bluetooth bonded (paired) device (returned by SYS_BTBONDS)
+    struct BtBondInfo {
+        uint8_t  bdAddr[6];
+        uint8_t  _pad[2];
+    };
+
     struct ThermalInfo {
         char     name[32];          // short zone name (e.g. "THRM", "TZ00")
         int32_t  temperature;       // tenths of degrees Celsius, or -1 if unavailable