you are confusing two different eras and two different meanings of saved.
James - faith alone saves. If it is saving faith, His new life is expressed through our own and fruit is produced.
Etc.
You failed to to “rightly divide the Word of Truth” here.
Actually - you divided the Word of God when there is no division
Those are not "two different eras"
Jesus Himself said
- He who believes and is baptized will be saved. (Mk 16:16)
- U]nless you repent you will all likewise perish. (Lk 13:3)
- [H]e who eats my flesh and drinks my blood has eternal life, and I will raise him up at the last day. (Jn 6:54)
- Matt 24:13But he that shall endure unto the end, the same shall be saved.
namely that to be saved you must
- believe
- be baptized
- repent
- Eat of His flesh and drink of His blood
- endure to the end