chore: reband cleanup, changed names from tesseract

backend/app/main.py

@@ -11,7 +11,7 @@ from .database import engine, get_db
 models.Base.metadata.create_all(bind=engine)
 
 app = FastAPI(
-    title="Tesseract - Nested Todo Tree API",
+    title="BIT - Break It Down API",
     description="API for managing deeply nested todo trees",
     version="1.0.0"
 )
@@ -271,6 +271,6 @@ def root():
     """API health check"""
     return {
         "status": "online",
-        "message": "Tesseract API - Nested Todo Tree Manager",
+        "message": "BIT API - Break It Down",
         "docs": "/docs"
     }