refactor(tui): extract the prompt turn into prompt_turn.py; compact methods_*/session_*/agent_callbacks; split _start_agent_build into scope/wiring helpers
- server.py 7663 -> 5319: _run_prompt_submit and its goal/loop/voice/scope
phases move to tui_gateway/prompt_turn.py (bound via method_ctx.bind_module);
_start_agent_build split into _bind/_release_build_profile_scopes,
_deferred_build_agent_kwargs, _wire_session_agent, _start_session_services;
_load_enabled_toolsets split (_enabled_mcp_server_names, _resolve_explicit_toolsets).
- methods_slash: _LIVE_SLASH_OUTPUT dispatch table; methods_tools: _SLASH_BUILTINS,
_guarded; tool_progress: _PROGRESS_HANDLERS; methods_config_set:
_REASONING_DISPLAY_WORDS; methods_voice: _VOICE_TOGGLE_ACTIONS.
- Unified: _denied_source (methods_session) replaces _WORKER_SOURCES in
methods_profiles; _compress_live_with_feedback / _compute_host_slash shared by
the slash mirror and /compress; _end_voice_chat shared by stop-phrase paths;
_watcher_mtime_ns; _reaper_session_is_detached_idle; _notif_* helpers.
- Dead: _profile_dir_or_err, _resume_info, _slash_builtin_table (refs.py: 0 hits).
- acp_adapter/server.py: docstring compaction only (AST-identical).
- Every file semantically reviewed hunk-by-hunk for wire/log/lock/order parity.
Teknium
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