chore: save session state – feature/phase-1 ready to implement

- Update session-context.md with exact resume point for next session
- Update settings.local.json with broader git permissions
- feature/grundstruktur merged to develop
- PAT authentication configured

Version: 0.2.3

backend/app/models/bed.py

@@ -0,0 +1,66 @@
+import enum
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import Boolean, DateTime, Enum, ForeignKey, Numeric, String, Text, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db.base import Base
+
+
+class LocationType(str, enum.Enum):
+    SONNIG = "sonnig"
+    HALBSCHATTEN = "halbschatten"
+    SCHATTEN = "schatten"
+
+
+class SoilType(str, enum.Enum):
+    NORMAL = "normal"
+    SANDIG = "sandig"
+    LEHMIG = "lehmig"
+    HUMUSREICH = "humusreich"
+
+
+class Bed(Base):
+    __tablename__ = "beds"
+
+    id: Mapped[uuid.UUID] = mapped_column(
+        primary_key=True, default=uuid.uuid4, index=True
+    )
+    tenant_id: Mapped[uuid.UUID] = mapped_column(
+        ForeignKey("tenants.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    width_m: Mapped[float] = mapped_column(Numeric(5, 2), nullable=False)
+    length_m: Mapped[float] = mapped_column(Numeric(5, 2), nullable=False)
+    location: Mapped[LocationType] = mapped_column(
+        Enum(LocationType, name="location_type"),
+        nullable=False,
+    )
+    soil_type: Mapped[SoilType] = mapped_column(
+        Enum(SoilType, name="soil_type"),
+        nullable=False,
+        default=SoilType.NORMAL,
+    )
+    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        nullable=False,
+    )
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=lambda: datetime.now(timezone.utc),
+        nullable=False,
+    )
+
+    # Relationships
+    tenant: Mapped["Tenant"] = relationship("Tenant", back_populates="beds")  # noqa: F821
+    plantings: Mapped[list["BedPlanting"]] = relationship(  # noqa: F821
+        "BedPlanting", back_populates="bed", cascade="all, delete-orphan"
+    )