feat: initial commit - Phase 1 & 2 core features

backend/app/tasks/classification_tasks.py

@@ -0,0 +1,32 @@
+from app.tasks.worker import celery_app
+
+
+@celery_app.task(bind=True)
+def auto_classify_task(self, project_id: int, source_ids: list = None):
+    """
+    Async task to run automatic classification on metadata.
+    Phase 1 placeholder.
+    """
+    from app.core.database import SessionLocal
+    from app.models.project import ClassificationProject, ClassificationResult, ResultStatus
+    from app.models.classification import RecognitionRule
+    from app.models.metadata import DataColumn
+
+    db = SessionLocal()
+    try:
+        project = db.query(ClassificationProject).filter(ClassificationProject.id == project_id).first()
+        if not project:
+            return {"status": "failed", "reason": "project not found"}
+
+        # Update project status
+        project.status = "scanning"
+        db.commit()
+
+        rules = db.query(RecognitionRule).filter(RecognitionRule.is_active == True).all()
+        # TODO: implement rule matching logic in Phase 2
+
+        project.status = "assigning"
+        db.commit()
+        return {"status": "completed", "project_id": project_id, "matched": 0}
+    finally:
+        db.close()

backend/app/tasks/worker.py

@@ -0,0 +1,20 @@
+from celery import Celery
+from app.core.config import settings
+
+celery_app = Celery(
+    "prop_data_guard",
+    broker=settings.REDIS_URL,
+    backend=settings.REDIS_URL,
+    include=["app.tasks.classification_tasks"],
+)
+
+celery_app.conf.update(
+    task_serializer="json",
+    accept_content=["json"],
+    result_serializer="json",
+    timezone="Asia/Shanghai",
+    enable_utc=True,
+    task_track_started=True,
+    task_time_limit=3600,
+    worker_prefetch_multiplier=1,
+)