fix: ruff cleanup and missing DV3K_PRODID_REQ import in TTS tests

Remove unused imports, sort import blocks, and import DV3K_PRODID_REQ
used by the AMBEServer timeout mock in test_tts_engine_serial.

src/adn_server/application/voice_use_cases.py

@@ -35,7 +35,6 @@ from ..domain import HBPF_SLT_VHEAD, HBPF_SLT_VTERM, bytes_3, bytes_4, int_id
 from .ports import VoiceProvider
 from .server_voice import (
     announcement_item_source_bytes,
-    server_voice_id,
     server_voice_rf_src_bytes,
 )
 

src/adn_server/infrastructure/twisted_adapters/udp_hbp.py

@@ -39,7 +39,6 @@ from twisted.internet import reactor, task
 from twisted.internet.protocol import DatagramProtocol
 
 from ...application.proxy.deployment import is_proxy_inject_only
-from ...application.server_voice import all_server_voice_ids
 from ...application.routing.downlink import (
     DownlinkContext,
     iter_downlink_voice_slots,
@@ -74,6 +73,7 @@ from ...application.routing.peer_downlink_index import (
     count_connected_peers,
     invalidate_peer_options_cache,
 )
+from ...application.server_voice import all_server_voice_ids
 from ...domain import bytes_3, bytes_4, int_id
 from ...domain.dmr import decode
 from ...domain.dmr.const import LC_OPT

tests/infrastructure/test_obp_proxy.py

@@ -39,7 +39,6 @@ from adn_server.infrastructure.config_validator import validate_config
 from adn_server.infrastructure.hbp_constants import DMRD
 from adn_server.infrastructure.mesh.obp_v1 import build_bcka, build_dmrd_v1
 from adn_server.infrastructure.proxy.obp_config import obp_proxy_settings
-from adn_server.infrastructure.proxy.obp_runtime import build_obp_bridge_registry
 from adn_server.infrastructure.proxy.obp_fanin import (
     InProcessObpSink,
     ObpBridgeEntry,
@@ -47,6 +46,7 @@ from adn_server.infrastructure.proxy.obp_fanin import (
     ObpFanInDemux,
     ObpIngressReplyTransport,
 )
+from adn_server.infrastructure.proxy.obp_runtime import build_obp_bridge_registry
 
 _PASS = b"test-passphrase\x00\x00\x00\x00\x00\x00"
 _NETWORK = bytes_4(73044)

tests/voice/test_tts_engine_serial.py

@@ -28,7 +28,7 @@ import time
 import wave
 
 from adn_server.infrastructure.voice import tts_engine
-from adn_server.infrastructure.voice.tts_engine import DV3K_SAMPLES_PER_FRAME
+from adn_server.infrastructure.voice.tts_engine import DV3K_PRODID_REQ, DV3K_SAMPLES_PER_FRAME
 
 
 def test_text_to_ambe_serializes_parallel_conversions(tmp_path, monkeypatch) -> None: