Fix trip seat filtering and enable null seats display

fix: display driver phone numbers on separate lines instead of slash-separated

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

feat: support multiple phone numbers and prevent duplicate customers

feat: LLM-driven driver message cleanup for phone numbers and names

feat: skip optional trip fields and accept natural date expressions

add driver name search for passengers

support unregistered drivers from group messages and warm new user onboarding

rename فلسا to فلزا and expand falsa_info.md with comprehensive Arabic content

block drivers from editing trip departure_date

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

rename booking leads to trip selections

compress tool descriptions and deduplicate error string

suppress LLM text reply after search_trips sends trip cards

use phone_number instead of remoteJid for driver notifications

make trip search fields optional; update LLM prompts to search/book immediately with partial info

feat: send trip cards as individual messages and resolve trip_id from replies

feat: prevent duplicate driver trips at same date and time

feature: modify and delete driver trips

change to (remoteJid)

first commit