Standardize priority column and add Clear DB button

Fix blank industries in CSV and implement Directory tab

Optimize Intents tab: dedicated collection support and UI resizing

Fix NameError by defining utts before use

Fix Streamlit nested expander exception using HTML details tag

Fix TypeError in Intents expander logic

Refine Intents tab with nested expanders and layout stability

Add Intents visualization tab with live classification overlay

Add vector visualization tab, /vectors + /embed endpoints, HF Spaces config

v1