Update wiki for show_diff terminology
Rename Codex Free wiki references to Codexify
Document v1.8.0: export_host_file/artifactEgress, setup(ref) auth, widget-only review diffs - Configuration: add artifactEgress section + JSON; conversationAuthToken now 64-hex with setup(ref) wire naming and an upgrade note; review.maxPatchBytes 4 MiB. - Connecting to ChatGPT: setup(ref) gate + one-line instruction, 64-hex token. - Security Model: bounded native-file egress subsection; per-conversation authorization reworded to setup(ref)/64-hex/constant-time. - Tools Reference: add export_host_file row, count 28/30, show_changes _meta, structured-output list. - Review Checkpoints: component-only _meta payload, 4 MiB budget, versioned v2 resource URI, compact persistent widget.
docs: document config discovery, GitHub-URL project selection, conversation auth, and catalog exposure mode
Add complete end-user wiki