feat: add shared config and models

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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()