Scaffold Next.js + FastAPI + Postgres tasks board (no auth)

backend/app/models/__init__.py

@@ -0,0 +1,2 @@
+# Import models here so Alembic can discover them
+from .task import Task  # noqa: F401

backend/app/models/task.py

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+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import DateTime, Integer, String, Text
+from sqlalchemy.sql import func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base
+
+
+class Task(Base):
+    __tablename__ = "tasks"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
+    title: Mapped[str] = mapped_column(String(200), nullable=False)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+
+    # kanban columns: todo | doing | done
+    status: Mapped[str] = mapped_column(String(32), nullable=False, default="todo")
+
+    # simple attribution (no auth)
+    assignee: Mapped[str | None] = mapped_column(String(120), nullable=True)
+
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
+    )