Update app.py

Update app.py

fix: force use /data/pantry.db on HF Spaces

fix: force use /data/pantry.db on HF Spaces

fix: force use /data/pantry.db on HF Spaces

fix: remove cached pantry value, require refresh

fix: force use /data/pantry.db on HF Spaces

debug: add DB path logging

feat: persistent pantry on HF Spaces /data, TTS wired, clean pipeline

feat: TTS wired into Gradio - audio output on Tab 3

fix: add Modal credentials from env

fix: remove pycache from tracking

feat: full pipeline wired - receipt OCR + expiry LLM + Ammamma dialogue + recipe generation all working

feat: recipe UI polished - clean names, quantities, Avva dialogue

feat: full pipeline working - receipt OCR → expiry → Gradio UI

feat: receipt OCR working - MiniCPM-V 4.6 parsing real receipts