Refactor backend to SQLModel; reset schema; add Company OS endpoints

backend/app/api/tasks.py

@@ -1,64 +0,0 @@
-from __future__ import annotations
-
-from fastapi import APIRouter, Depends, HTTPException
-from sqlalchemy.orm import Session
-
-from app.db.session import SessionLocal
-from app.models.task import Task
-from app.schemas.task import TaskCreate, TaskOut, TaskUpdate
-
-router = APIRouter(prefix="/tasks", tags=["tasks"])
-
-
-def get_db():
-    db = SessionLocal()
-    try:
-        yield db
-    finally:
-        db.close()
-
-
-@router.get("", response_model=list[TaskOut])
-def list_tasks(db: Session = Depends(get_db)):
-    return db.query(Task).order_by(Task.id.desc()).all()
-
-
-@router.post("", response_model=TaskOut)
-def create_task(payload: TaskCreate, db: Session = Depends(get_db)):
-    task = Task(
-        title=payload.title,
-        description=payload.description,
-        status=payload.status,
-        assignee=payload.assignee,
-    )
-    db.add(task)
-    db.commit()
-    db.refresh(task)
-    return task
-
-
-@router.patch("/{task_id}", response_model=TaskOut)
-def update_task(task_id: int, payload: TaskUpdate, db: Session = Depends(get_db)):
-    task = db.get(Task, task_id)
-    if not task:
-        raise HTTPException(status_code=404, detail="Task not found")
-
-    data = payload.model_dump(exclude_unset=True)
-    for k, v in data.items():
-        setattr(task, k, v)
-
-    db.add(task)
-    db.commit()
-    db.refresh(task)
-    return task
-
-
-@router.delete("/{task_id}")
-def delete_task(task_id: int, db: Session = Depends(get_db)):
-    task = db.get(Task, task_id)
-    if not task:
-        raise HTTPException(status_code=404, detail="Task not found")
-
-    db.delete(task)
-    db.commit()
-    return {"ok": True}