Demo data. Local Firebase emulators. Frame-based walkthrough using real UI checkpoints, not continuous screen recording. Demo data. The plan fee is Rs 3,000 and no payment has been recorded. Enter Rs 1,000 and use the Cash method. The payment is saved. Rs 2,000 remains due. The member record shows Rs 1,000 paid out of Rs 3,000. Record Rs 500 and choose UPI. A UPI label does not verify a bank transfer. The second payment is saved. Rs 1,500 remains due. Reload the member record. Rs 1,500 paid and Rs 1,500 due remain visible. The history shows both entries: Rs 1,000 Cash and Rs 500 UPI.