diff --git a/.gitignore b/.gitignore
index 3896acd..7490eaa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,6 +48,8 @@ src/frontend/flask_app/static/css/tailwind.css
 
 # Node
 node_modules/
+src/frontend/flask_app/package.json
+src/frontend/flask_app/package-lock.json
 
 # Flask-Babel compiled
 *.mo
@@ -70,3 +72,4 @@ nul
 
 # Competitor analysis (local only)
 Concorrente/
+docker-compose.override.yml
diff --git a/src/backend/config.py b/src/backend/config.py
index ea23376..4281430 100644
--- a/src/backend/config.py
+++ b/src/backend/config.py
@@ -57,8 +57,13 @@ class Settings(BaseSettings):
         # Path(__file__) = src/backend/config.py → parents[2] = project root
         return Path(__file__).resolve().parents[2] / self.upload_dir
 
-    # ../../.env reaches the project root from src/backend/.
-    model_config = {"env_file": "../../.env", "env_file_encoding": "utf-8", "extra": "ignore"}
+    # Always resolve .env against the project root regardless of cwd
+    # (pydantic-settings would otherwise treat the path as cwd-relative).
+    model_config = {
+        "env_file": str(Path(__file__).resolve().parents[2] / ".env"),
+        "env_file_encoding": "utf-8",
+        "extra": "ignore",
+    }
 
 
 settings = Settings()
diff --git a/src/backend/models/orm/__init__.py b/src/backend/models/orm/__init__.py
index 90c0a87..5753c76 100644
--- a/src/backend/models/orm/__init__.py
+++ b/src/backend/models/orm/__init__.py
@@ -5,6 +5,7 @@ from src.backend.models.orm.task import RecipeTask, RecipeSubtask
 from src.backend.models.orm.measurement import Measurement
 from src.backend.models.orm.access_log import AccessLog
 from src.backend.models.orm.setting import SystemSetting, RecipeVersionAudit
+from src.backend.models.orm.station import Station, StationRecipeAssignment
 
 __all__ = [
     "User",
@@ -16,4 +17,6 @@ __all__ = [
     "AccessLog",
     "SystemSetting",
     "RecipeVersionAudit",
+    "Station",
+    "StationRecipeAssignment",
 ]