"""Per-attempt request assembly for the conversation turn's retry loop: re-apply the reasoning echo pad and prompt-cache decoration for the CURRENT provider (a fallback may differ from the primary), build ``api_kwargs``, run the surrogate/ASCII chokepoints, Codex preflight, OpenRouter cache bypass, Copilot ``x-initiator``, the LLM request middleware, the ``pre_api_request`` hook and the debug dump. Extracted from ``run_conversation``; nothing here imports ``agent.conversation_loop`` at module level. """ from __future__ import annotations from dataclasses import dataclass import logging from typing import Any, Dict, Optional from agent.message_sanitization import ( _sanitize_structure_non_ascii, _sanitize_structure_surrogates, ) from utils import env_var_enabled logger = logging.getLogger("agent.conversation_loop") @dataclass class ApiRequestBuild: """Always ``action == "fallthrough"``; the fields are the request-local values the caller rebinds for the attempt.""" action: str api_messages: Any _moa_prepared_request: Any tools_for_api: Any api_kwargs: Any _original_api_kwargs: Any _llm_middleware_trace: Any def build_api_request( agent: Any, *, api_messages: Any, _moa_prepared_request: Any, tools_for_api: Any, system_message: Any, messages: Any, original_user_message: Any, approx_tokens: Any, total_chars: Any, retry_count: Any, api_call_count: Any, api_request_id: Any, api_start_time: Any, effective_task_id: Any, turn_id: Any, ) -> ApiRequestBuild: """Assemble the attempt's request in the original order (every mutation happens BEFORE middleware/hooks/debug dumps observe the payload).""" from agent.conversation_loop import ( _moa_client_consumes_prepared_request, _redecorate_prompt_cache_for_provider, _system_prompt_for_hooks, ) api_kwargs = None _original_api_kwargs = None _llm_middleware_trace = [] def _verdict(action: str, result: Optional[Dict[str, Any]] = None) -> ApiRequestBuild: return ApiRequestBuild( action=action, api_messages=api_messages, _moa_prepared_request=_moa_prepared_request, tools_for_api=tools_for_api, api_kwargs=api_kwargs, _original_api_kwargs=_original_api_kwargs, _llm_middleware_trace=_llm_middleware_trace, ) agent._reset_stream_delivery_tracking() # Per-attempt first-chunk timestamp so a stale value never leaks into # post_api_request. agent._last_api_first_chunk_at = None # api_messages was built for the primary; a fallback (DeepSeek / Kimi / # MiMo) may require reasoning_content. Re-apply the echo-back pad # (idempotent). agent._reapply_reasoning_echo_for_provider(api_messages) # Same for prompt-cache decoration (#72626): strip the primary's # breakpoints and re-render for the current provider. api_messages, _moa_prepared_request, tools_for_api = ( _redecorate_prompt_cache_for_provider( agent, api_messages, system_message=system_message, moa_prepared=_moa_prepared_request, tools_for_api=tools_for_api, ) ) if tools_for_api == agent.tools: api_kwargs = agent._build_api_kwargs(api_messages) else: api_kwargs = agent._build_api_kwargs( api_messages, tools_for_api=tools_for_api, ) # Surrogate chokepoint (#50959): tool descriptions, extra_body and # kwargs strings can carry invalid code points (HTTP 400). One walk # makes the payload json.dumps()-safe. _sanitize_structure_surrogates(api_kwargs) if agent._force_ascii_payload: _sanitize_structure_non_ascii(api_kwargs) if agent.api_mode == "codex_responses": api_kwargs = agent._get_transport().preflight_kwargs( api_kwargs, allow_stream=False, is_github_responses=agent._is_copilot_url(), sanitize_harmony_tokens=agent._is_codex_backend(), ) # OpenRouter caching replays identical responses, even empty ones; an # empty-response retry must bypass the cache. if agent._empty_content_retries > 0 and agent._is_openrouter_url(): _xh = dict(api_kwargs.get("extra_headers") or {}) _xh["X-OpenRouter-Cache"] = "false" api_kwargs["extra_headers"] = _xh # Copilot x-initiator: first call of a user turn is "user" (billed # premium); tool-loop follow-ups keep the default "agent" (#3040). if getattr(agent, "_is_user_initiated_turn", False) and agent._is_copilot_url(): _xh = dict(api_kwargs.get("extra_headers") or {}) _xh["x-initiator"] = "user" api_kwargs["extra_headers"] = _xh agent._is_user_initiated_turn = False try: from hermes_cli.middleware import apply_llm_request_middleware _llm_request_mw = apply_llm_request_middleware( api_kwargs, task_id=effective_task_id, turn_id=turn_id, api_request_id=api_request_id, session_id=agent.session_id or "", platform=agent.platform or "", model=agent.model, provider=agent.provider, base_url=agent.base_url, api_mode=agent.api_mode, api_call_count=api_call_count, ) api_kwargs = _llm_request_mw.payload _original_api_kwargs = _llm_request_mw.original_payload _llm_middleware_trace = _llm_request_mw.trace except Exception: _original_api_kwargs = dict(api_kwargs) _llm_middleware_trace = [] try: from hermes_cli.lifecycle import ( has_hook, invoke_hook as _invoke_hook, ) if has_hook("pre_api_request"): request_messages = api_kwargs.get("messages") if not isinstance(request_messages, list): request_messages = api_kwargs.get("input") if not isinstance(request_messages, list): request_messages = api_messages # Shallow copy: plugins may retain the list; deepcopy is costly. # ``request_messages``/``conversation_history`` are raw langfuse # passthroughs. _request_payload = agent._api_request_payload_for_hook(api_kwargs) # Anthropic (``system``) and Responses/Codex (``instructions``) # move the system prompt out of messages; pass it for # observability. system_prompt_for_hooks = _system_prompt_for_hooks( api_kwargs, request_messages ) _invoke_hook( "pre_api_request", task_id=effective_task_id, turn_id=turn_id, api_request_id=api_request_id, session_id=agent.session_id or "", user_message=original_user_message, conversation_history=list(messages), platform=agent.platform or "", model=agent.model, provider=agent.provider, base_url=agent.base_url, api_mode=agent.api_mode, api_call_count=api_call_count, retry_count=retry_count, request_messages=list(request_messages) if isinstance(request_messages, list) else [], system_prompt=system_prompt_for_hooks, message_count=len(api_messages), tool_count=len(agent.tools or []), approx_input_tokens=approx_tokens, request_char_count=total_chars, max_tokens=agent.max_tokens, started_at=api_start_time, middleware_trace=list(_llm_middleware_trace), request=_request_payload, ) except Exception: pass if env_var_enabled("HERMES_DUMP_REQUESTS"): agent._dump_api_request_debug(api_kwargs, reason="preflight") # Private to the in-process MoA facade; add after middleware/hooks/debug # dumps so none serializes it into the provider payload. if _moa_prepared_request is not None and agent.provider == "moa": # Re-read the live client: rotation/fallback/cleanup rebuild # agent.client between attempts; a native OpenAI client rejects this # key (TypeError). if _moa_client_consumes_prepared_request(agent.client): api_kwargs["_moa_prepared_request"] = _moa_prepared_request else: logger.warning( "MoA client replaced mid-turn (client=%s); sending the " "prepared prompt without the MoA handshake", type(agent.client).__name__, ) return _verdict("fallthrough")