Allow drivers to publish trips in their own style; add reply_instruction for no-match results; improve privacy prompts

feat: rebrand FALSA to FALZH with updated supabase schema, tool names, and prompts

feat: welcome returning drivers discovered from WhatsApp groups

support unregistered drivers from group messages and warm new user onboarding

replace numbered trip list with trip cards for driver delete/modify/list

rename booking leads to trip selections

feature: modify and delete driver trips

change to (remoteJid)

first commit