fix: speicherort history.db und images Ordner

- Bilder: data/images
  - SQLite: data/history.db

app/config.py

@@ -1,9 +1,15 @@
-from pydantic_settings import BaseSettings, SettingsConfigDict
 from functools import lru_cache
+from pathlib import Path
+
+from pydantic import computed_field, field_validator
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+BASE_DIR = Path(__file__).resolve().parent.parent
 
 
 class Settings(BaseSettings):
-    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8")
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")
 
     openai_api_key: str = ""
     usda_api_key: str = "DEMO_KEY"
@@ -11,10 +17,36 @@ class Settings(BaseSettings):
     tandoor_api_token: str = ""
     app_host: str = "0.0.0.0"
     app_port: int = 8000
-    tmp_dir: str = "/app/tmp"
-    images_dir: str = "/app/data/images"
+    tmp_dir: str = "tmp"
     ffmpeg_location: str = ""  # Optional: full path to ffmpeg binary dir (for Windows local dev)
 
+    @field_validator("tmp_dir", "ffmpeg_location", mode="before")
+    @classmethod
+    def _resolve_project_relative_paths(cls, value: str) -> str:
+        if not value:
+            return value
+        if value.startswith(("/", "\\")):
+            return value
+        path = Path(value).expanduser()
+        if path.is_absolute():
+            return str(path)
+        return str((BASE_DIR / path).resolve())
+
+    @computed_field
+    @property
+    def data_dir(self) -> str:
+        return str(BASE_DIR / "data")
+
+    @computed_field
+    @property
+    def images_dir(self) -> str:
+        return str(Path(self.data_dir) / "images")
+
+    @computed_field
+    @property
+    def history_db_path(self) -> str:
+        return str(Path(self.data_dir) / "history.db")
+
 
 @lru_cache
 def get_settings() -> Settings:

app/services/history_service.py

@@ -11,7 +11,7 @@ from app.config import get_settings
 
 def _db_path() -> Path:
     settings = get_settings()
-    return Path(settings.images_dir).parent / "history.db"
+    return Path(settings.history_db_path)
 
 
 def init_db() -> None: