My plant looks nearly dead. Help me try to revive it.

Plant: {{plant}}
Current state: {{state}} (drooping, all leaves dropped, brown, mushy stems, dry crisp)
How long it's looked like this: {{duration}}
What I think went wrong: {{my_guess}}
What I've already tried: {{attempts}}

Return:
1. Triage: is it actually salvageable? Check stem firmness, root health — how to assess
2. The likely cause based on symptoms
3. Step-by-step revival plan (next 24 hours, next week, next month)
4. What NOT to do in panic
5. Realistic odds of recovery
6. The signs of progress to watch for
7. The point at which I should give up and learn from it
8. Lessons for next time, no matter the outcome