Add Bitcoin Safe wallet flow

### ports/stm32/boards/Passport/manifest.py
@@ -343,6 +343,7 @@
 freeze('$(MPY_DIR)/ports/stm32/boards/Passport/modules',
        ('wallets/__init__.py',
         'wallets/bitcoin_core.py',
+        'wallets/bitcoin_safe.py',
         'wallets/bluewallet.py',
         'wallets/btcpay.py',
         'wallets/bull.py',

### ports/stm32/boards/Passport/modules/wallets/bitcoin_safe.py
@@ -0,0 +1,24 @@
+# SPDX-FileCopyrightText: 2026 Foundation Devices, Inc. <hello@foundation.xyz>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# bitcoin_safe.py - Bitcoin Safe wallet support
+#
+
+from .generic_json_wallet import create_generic_json_wallet
+from .multisig_json import create_multisig_json_wallet
+from .multisig_import import read_multisig_config_from_qr, read_multisig_config_from_microsd
+from data_codecs.qr_type import QRType
+
+BitcoinSafeWallet = {
+    'label': 'Bitcoin Safe',
+    'sig_types': [
+        {'id': 'single-sig', 'label': 'Single-sig', 'addr_type': None, 'create_wallet': create_generic_json_wallet},
+        {'id': 'multisig', 'label': 'Multisig', 'addr_type': None, 'create_wallet': create_multisig_json_wallet,
+         'import_qr': read_multisig_config_from_qr, 'import_microsd': read_multisig_config_from_microsd}
+    ],
+    'export_modes': [
+        {'id': 'qr', 'label': 'QR Code', 'qr_type': QRType.UR2},
+        {'id': 'microsd', 'label': 'microSD', 'filename_pattern': '{xfp}-bitcoin-safe.json',
+         'filename_pattern_multisig': '{xfp}-bitcoin-safe-multisig.json'}
+    ]
+}

### ports/stm32/boards/Passport/modules/wallets/sw_wallets.py
@@ -5,6 +5,7 @@
 #
 
 from .bitcoin_core import BitcoinCoreWallet
+from .bitcoin_safe import BitcoinSafeWallet
 from .keeper import KeeperWallet
 from .bluewallet import BlueWallet
 from .btcpay import BtcPayWallet
@@ -31,6 +32,7 @@
 supported_software_wallets = [
     EnvoyWallet,
     BitcoinCoreWallet,
+    BitcoinSafeWallet,
     KeeperWallet,
     BlueWallet,
     BtcPayWallet,