fix: disable desktop context injection by default (#95) (#97)

feat: tuple schema (prefixItems) support for structured outputs (#77)

fix: review improvements — schema walker, status helper, UI i18n, CI version skip

fix: recursive additionalProperties injection + upstream error status propagation

refactor: extract startServer() + path abstraction for Electron reuse

fix: harden prompt injection suppression and non-streaming error handling

feat: suppress Codex Desktop directives in model responses

refactor: architecture audit fixes round 2 (P0-P2)