Fix formatting, linting, and logic errors from codebase scan

- Apply black formatting to 17 files.
- Fix F821 undefined name errors in:
  - src/main.py: Add missing `queue` import.
  - src/seedpass/core/encryption.py: Fix `JSONDecodeError` reference.
  - src/utils/__init__.py: Fix exception variable scope in fallback code.
  - src/utils/key_derivation.py: Add `TYPE_CHECKING` imports.
  - src/seedpass/core/config_manager.py: Add `TYPE_CHECKING` imports.
- Initialize torch environment and TODO file.

Co-authored-by: PR0M3TH3AN <[email protected]>

src/tests/test_cli_clipboard_flag.py

@@ -4,7 +4,6 @@ from seedpass.cli import app, entry as cli_entry
 from seedpass.core.entry_types import EntryType
 from utils.clipboard import ClipboardUnavailableError
 
-
 runner = CliRunner()
 
 

src/tests/test_fuzz_key_derivation.py

@@ -16,7 +16,6 @@ from utils.key_derivation import (
 from utils.fingerprint import generate_fingerprint
 from seedpass.core.encryption import EncryptionManager
 
-
 cfg_values = st.one_of(
     st.integers(min_value=0, max_value=100),
     st.text(min_size=0, max_size=20),

src/tests/test_portable_backup.py

@@ -19,7 +19,6 @@ from seedpass.core.portable_backup import PortableMode
 from utils.key_derivation import derive_index_key, derive_key_from_password
 from utils.fingerprint import generate_fingerprint
 
-
 SEED = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
 PASSWORD = "passw0rd"
 

src/tests/test_profiles.py

@@ -10,7 +10,6 @@ from helpers import create_vault, dummy_nostr_client
 import gzip
 from nostr.backup_models import Manifest, ChunkMeta
 
-
 VALID_SEED = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
 
 

src/tests/test_totp_uri.py

@@ -7,7 +7,6 @@ sys.path.append(str(Path(__file__).resolve().parents[1]))
 
 from seedpass.core.totp import TotpManager
 
-
 # Test parsing a normal otpauth URI with custom period and digits