feat: task key (TE-1) generated on backend, project includes chat_id

src/tracker/api/tasks.py

@@ -7,7 +7,7 @@ from fastapi import APIRouter, Depends, HTTPException, Query
 from pydantic import BaseModel
 from sqlalchemy import select, update
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy.orm import selectinload
+from sqlalchemy.orm import selectinload, joinedload
 
 from tracker.database import get_db
 from tracker.models import Task, Step, Project
@@ -29,6 +29,7 @@ class TaskOut(BaseModel):
     project_id: str
     parent_id: str | None = None
     number: int
+    key: str  # e.g. "TE-1"
     title: str
     description: str | None = None
     type: str
@@ -79,12 +80,14 @@ class AssignRequest(BaseModel):
 
 # --- Helpers ---
 
-def _task_out(t: Task) -> dict:
+def _task_out(t: Task, project_slug: str = "") -> dict:
+    prefix = project_slug[:2].upper() if project_slug else "XX"
     return {
         "id": str(t.id),
         "project_id": str(t.project_id),
         "parent_id": str(t.parent_id) if t.parent_id else None,
         "number": t.number,
+        "key": f"{prefix}-{t.number}",
         "title": t.title,
         "description": t.description,
         "type": t.type,
@@ -106,7 +109,8 @@ def _task_out(t: Task) -> dict:
 
 async def _get_task(task_id: str, db: AsyncSession) -> Task:
     result = await db.execute(
-        select(Task).where(Task.id == uuid.UUID(task_id)).options(selectinload(Task.steps))
+        select(Task).where(Task.id == uuid.UUID(task_id))
+        .options(selectinload(Task.steps), joinedload(Task.project))
     )
     task = result.scalar_one_or_none()
     if not task:
@@ -124,7 +128,7 @@ async def list_tasks(
     label: Optional[str] = Query(None),
     db: AsyncSession = Depends(get_db),
 ):
-    q = select(Task).options(selectinload(Task.steps))
+    q = select(Task).options(selectinload(Task.steps), joinedload(Task.project))
     if project_id:
         q = q.where(Task.project_id == uuid.UUID(project_id))
     if status:
@@ -135,13 +139,13 @@ async def list_tasks(
         q = q.where(Task.labels.contains([label]))
     q = q.order_by(Task.position, Task.created_at)
     result = await db.execute(q)
-    return [_task_out(t) for t in result.scalars()]
+    return [_task_out(t, t.project.slug if t.project else "") for t in result.scalars()]
 
 
 @router.get("/tasks/{task_id}", response_model=TaskOut)
 async def get_task(task_id: str, db: AsyncSession = Depends(get_db)):
     task = await _get_task(task_id, db)
-    return _task_out(task)
+    return _task_out(task, task.project.slug if task.project else "")
 
 
 @router.post("/tasks", response_model=TaskOut)
@@ -180,7 +184,7 @@ async def create_task(
     await db.refresh(task)
     # Load steps
     task_full = await _get_task(str(task.id), db)
-    return _task_out(task_full)
+    return _task_out(task_full, task_full.project.slug if task_full.project else "")
 
 
 @router.patch("/tasks/{task_id}", response_model=TaskOut)
@@ -208,7 +212,7 @@ async def update_task(task_id: str, req: TaskUpdate, db: AsyncSession = Depends(
 
     await db.commit()
     await db.refresh(task)
-    return _task_out(task)
+    return _task_out(task, task.project.slug if task.project else "")
 
 
 @router.delete("/tasks/{task_id}")
@@ -232,7 +236,7 @@ async def take_task(task_id: str, slug: str = Query(...), db: AsyncSession = Dep
         task.watchers = (task.watchers or []) + [slug]
     await db.commit()
     await db.refresh(task)
-    return _task_out(task)
+    return _task_out(task, task.project.slug if task.project else "")
 
 
 @router.post("/tasks/{task_id}/reject")
@@ -255,7 +259,7 @@ async def assign_task(task_id: str, req: AssignRequest, db: AsyncSession = Depen
         task.watchers = (task.watchers or []) + [req.assignee_slug]
     await db.commit()
     await db.refresh(task)
-    return _task_out(task)
+    return _task_out(task, task.project.slug if task.project else "")
 
 
 @router.post("/tasks/{task_id}/watch")