diff --git a/app/shared/config.py b/app/shared/config.py
new file mode 100644
index 0000000..3eeb3b8
--- /dev/null
+++ b/app/shared/config.py
@@ -0,0 +1,24 @@
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    db_path: str = "/data/linkedstorm.db"
+    clips_dir: str = "/data/clips"
+    speaches_url: str = "http://192.168.86.150:8000"
+    ollama_url: str = "http://192.168.86.150:11434"
+    ollama_model: str = "qwen2.5:14b"
+    livekit_url: str = "ws://192.168.86.150:7880"
+    livekit_api_key: str = "devkey"
+    livekit_api_secret: str = "devsecret"
+    pipeline_internal_url: str = "http://linkedstorm-pipeline:8300"
+    clip_retention_days: int = 30
+    speaker_known_threshold: float = 0.85
+    speaker_ambiguous_threshold: float = 0.60
+    vad_silence_ms: int = 600
+    vad_min_speech_ms: int = 500
+
+    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}
+
+
+def get_settings() -> Settings:
+    return Settings()
diff --git a/app/shared/models.py b/app/shared/models.py
new file mode 100644
index 0000000..e7d5089
--- /dev/null
+++ b/app/shared/models.py
@@ -0,0 +1,54 @@
+from dataclasses import dataclass
+from datetime import datetime
+from typing import Optional
+
+
+@dataclass
+class Room:
+    id: int
+    name: str
+    device_label: Optional[str]
+    is_active: bool
+    last_seen: Optional[datetime]
+    created_at: datetime
+
+
+@dataclass
+class Speaker:
+    id: int
+    name: str
+    created_at: datetime
+    updated_at: datetime
+
+
+@dataclass
+class VoiceEmbedding:
+    id: int
+    speaker_id: int
+    embedding: bytes  # packed float32
+    audio_sample: Optional[bytes]
+    created_at: datetime
+
+
+@dataclass
+class Utterance:
+    id: int
+    room_id: int
+    speaker_id: Optional[int]
+    transcript: str
+    embedding: Optional[bytes]
+    match_status: str  # known | unknown | ambiguous | unreviewed
+    match_confidence: Optional[float]
+    start_time: datetime
+    end_time: datetime
+    audio_clip_path: Optional[str]
+    livekit_room: Optional[str]
+    created_at: datetime
+
+
+@dataclass
+class DailySummary:
+    id: int
+    date: str  # YYYY-MM-DD
+    summary_text: str
+    generated_at: datetime