Which statement correctly explains the aspect “Subjunctive after fāʾ” in the example “لَوْ تَأْتِينِي فَتُحَدِّثَنِي”?

Inshāʾ and Tamannī: Requests, Wishing, Exhortation, and Reproach

• Laʿalla and a subsequent subjunctive — Perhaps I may perform pilgrimage and then visit you.
• Report versus performative — Zayd is standing / Stand up.
• Subjunctive after fāʾ — If only you came and spoke with me.
• Wishing for the unlikely possible — Would that I had wealth so I could give charity.