chore: stabilization, audit fixes and project synchronization

fix: security hardening, log all silent catch blocks, remove prisma cast

chore: finalize Sprint P2 & P3 optimizations, baseline prisma migrations, and update technical audit docs

fix: replace non-existent RateLimitReplyContext with inline type

fix: add explicit types to rateLimit errorResponseBuilder parameters

fix: add 'as any' casts to resolve TS2769 plugin registration errors (cors, rate-limit, bullboard)

fix: restore logger compatibility and fix major TS errors in services

fix: rename rate-limit middleware to rateLimit to help IDE resolution