openai/gpt-chat-latest → A (5:1)

Side A makes a substantive CLI/API redesign by replacing the old `ingest` and implicit `forum` commands with explicit `public/private forum list|show|post` subcommands, updates the command parser and RPC wiring, enforces `--delegate` for CLI posts, revises server guidance strings, updates documentation, and adapts integration tests. Side B is primarily a structural refactor that removes the duplicate `server/src/html/forum.rs` in favor of the existing `forum/` module tree and splits code into smaller files, which improves maintainability but does not materially change project behavior.