Fix various service issues: Faraday auth, borodino startup, Razvedka DB, Vigie alerts

Commit `26fe30f`

borodino/ak47: Add PostgreSQL readiness retry loop instead of failing silently
medved: Switch Faraday auth from API token to session-based login, fix API endpoint trailing slashes, add proper cookie caching
razvedka/db: Fix migration order (column migration before table creation), wrap ALTER TABLE in existence check
vigie/alerter: Cast chat_id to int, add error response logging
stack/01: Remove suricata Docker configs (use bind mounts, rules exceed 4MB limit)
stack/40: Reduce borodino max_replicas_per_node to 3, disable uzi (0 replicas)
stack/45-razvedka: Remove deprecated stack file (replaced by 46)
stack/65-medved: Switch from token to user/password auth for Faraday
scripts/startover.sh: Fix telegram/medved stack paths

Co-Authored-By: Claude Opus 4.6 noreply@anthropic.com