feat(update): send platform info (ARCH/TYPE/BOARD) to release server

fix(boot): reduce boot time by optimizing pbx_boot_init

fix(providers): use AOR field for permanent contact identification

fix(providers): fix timeline colors, RTT for permanent contacts, autofill

fix(ami): replace CLI text parsing with structured AMI Actions

fix(upgrade): copy version file in fallback upgrade path

fix(tests): fix 6 stably failing REST API tests

task: close h-implement-sip-scanner-useragent-filter

task: close h-implement-sip-scanner-useragent-filter

feature: drop known SIP scanner packets via iptables string match

task: update sip-scanner-filter with config file approach and 15 agents

task: add h-implement-sip-scanner-useragent-filter

task: close m-implement-hide-asterisk-identity (Core done, T2 patch pending)

fix(sip): replace sdp_session from 'mikopbx' to 'PBX' to hide identity

fix(sip): replace user_agent with generic 'PBX' to hide Asterisk identity

task: update m-implement-hide-asterisk-identity with patch details

task: add m-implement-hide-asterisk-identity

fix(security): enable firewall and fail2ban by default for new installations

task: close m-research-auto-calculate-maxreqsec

feature: integrate MaxReqSec into security preset slider

task: add m-research-auto-calculate-maxreqsec