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import asyncio
import json
import logging
from types import SimpleNamespace
from orchestration_utils import (
SelfAskDecision,
VerificationDecision,
available_sensor_ids,
bootstrap_aob,
build_executor,
build_fault_risk_adjudication_state,
build_llm,
build_parser,
build_planner_descriptions,
build_planning_question,
build_missing_evidence_repair_state,
build_retry_question,
build_suffix_replan_question,
build_tool_catalog_for_executor,
canonicalize_step_result,
can_retry_missing_evidence,
close_executor,
compact_step_for_context,
current_missing_evidence_hit,
effective_server_paths,
fault_risk_adjudication_failed_step,
finalize_missing_evidence_repair_state,
generate_suffix_plan,
load_fault_risk_adjudication_config,
load_missing_evidence_repair_config,
load_plan_execute_planner,
mark_missing_evidence_attempt_result,
mark_missing_evidence_unrepaired,
maybe_self_ask,
normalize_plan_steps,
preflight_aob_runtime_dependencies,
print_history,
print_plan,
record_missing_evidence_retry_attempt,
repair_target_key,
renumber_plan,
repair_sensor_task_text,
resolve_aob_path,
resolve_repo_root,
serialize_step_result,
serialize_steps,
setup_logging,
should_skip_invalid_sensor_step,
summarize_answer,
summarize_terminal_failures,
tool_schema_for_step,
verify_step,
)
_LOG = logging.getLogger(__name__)
def _extend_parser():
parser = build_parser(
"verified-pe",
"Run the Verified PE / Plan-Execute-Verify-Replan workflow.",
)
parser.add_argument(
"--max-replans",
type=int,
default=2,
help="Maximum number of suffix replans to allow.",
)
parser.add_argument(
"--max-retries-per-step",
type=int,
default=1,
help="Maximum number of verifier-triggered retries per step.",
)
parser.add_argument(
"--disable-self-ask",
action="store_true",
help="Skip the pre-plan Self-Ask clarification pass for this run.",
)
return parser
async def _run(args) -> None:
repo_root = resolve_repo_root()
aob_path = resolve_aob_path(repo_root, args.aob_path)
bootstrap_aob(aob_path)
preflight_aob_runtime_dependencies()
llm = build_llm(args.model_id)
server_paths = effective_server_paths(args.servers, repo_root)
Planner = load_plan_execute_planner()
planner = Planner(llm)
executor = build_executor(llm, server_paths, mcp_mode=args.mcp_mode)
repair_config = load_missing_evidence_repair_config()
adjudication_config = load_fault_risk_adjudication_config()
repair_state = build_missing_evidence_repair_state(repair_config)
repair_attempts_by_target = {}
try:
self_ask = (
SelfAskDecision(
needs_self_ask=False,
clarifying_questions=[],
assumptions=[],
augmented_question=args.question,
)
if args.disable_self_ask
else maybe_self_ask(args.question, llm)
)
descriptions = await executor.get_server_descriptions()
tool_catalog = await build_tool_catalog_for_executor(executor, server_paths)
planner_descriptions = build_planner_descriptions(descriptions, tool_catalog)
planning_question = build_planning_question(self_ask.augmented_question)
initial_plan = planner.generate_plan(planning_question, planner_descriptions)
raw_plan_payload = serialize_steps(initial_plan.steps)
normalization_warnings = normalize_plan_steps(initial_plan, tool_catalog)
for warning in normalization_warnings:
_LOG.info("%s", warning)
active_steps = list(initial_plan.resolved_order())
all_plan_steps = list(active_steps)
history = []
context = {}
replans_used = 0
step_index = 0
while step_index < len(active_steps):
step = active_steps[step_index]
retries_used = 0
step_question = self_ask.augmented_question
pending_repair_attempt = None
while True:
sensors = available_sensor_ids(context)
step.task, repair_warning = repair_sensor_task_text(step.task, sensors)
if repair_warning:
_LOG.info("%s", repair_warning)
should_skip, skip_reason = should_skip_invalid_sensor_step(
step, sensors
)
if should_skip:
result = SimpleNamespace(
step_number=step.step_number,
task=step.task,
server=step.server,
tool=step.tool,
tool_args=getattr(step, "tool_args", {}),
response=skip_reason,
error=None,
success=True,
)
context[step.step_number] = result
history.append(
serialize_step_result(
result,
verifier_decision="runner_skip",
verifier_reason=skip_reason,
runner_repair="invalid_iot_dga_sensor_lookup",
)
)
_LOG.info("%s", skip_reason)
break
tool_schema = tool_schema_for_step(tool_catalog, step.server, step.tool)
result = await executor.execute_step(
step,
context,
step_question,
tool_schema=tool_schema,
)
canonicalize_step_result(result)
compact_step_for_context(result)
remaining_steps = active_steps[step_index + 1 :]
base_entry = serialize_step_result(result)
repair_hit = (
current_missing_evidence_hit(history + [base_entry], base_entry)
if repair_config.enabled
else None
)
if pending_repair_attempt and not repair_hit:
mark_missing_evidence_attempt_result(
repair_state,
pending_repair_attempt,
"repaired",
new_step=step.step_number,
)
if repair_hit and can_retry_missing_evidence(
repair_config,
repair_state,
repair_hit,
repair_attempts_by_target,
):
key = repair_target_key(repair_hit)
repair_attempts_by_target[key] = (
repair_attempts_by_target.get(key, 0) + 1
)
pending_repair_attempt = record_missing_evidence_retry_attempt(
repair_state,
repair_hit,
)
retries_used = max(retries_used, repair_attempts_by_target[key])
history.append(
serialize_step_result(
result,
verifier_decision="missing_evidence_retry",
verifier_reason=repair_hit.get("reason")
or "Missing evidence detected before finalization.",
retries_used=retries_used,
)
)
step_question = build_retry_question(
args.question,
self_ask.augmented_question,
step,
base_entry,
VerificationDecision(
decision="retry",
reason=repair_hit.get("reason")
or "Missing evidence detected before finalization.",
updated_focus="Repair the missing evidence before answering.",
),
retries_used,
)
_LOG.info(
"Missing-evidence repair scheduled retry for step %d.",
step.step_number,
)
continue
if not result.success:
entry = serialize_step_result(
result,
verifier_decision="error",
verifier_reason=result.error
or "Step failed before verification.",
)
history.append(entry)
context[step.step_number] = result
break
provisional_entry = base_entry
if not provisional_entry["success"]:
history.append(
serialize_step_result(
result,
verifier_decision="error",
verifier_reason=provisional_entry.get("error")
or result.error
or "Step failed before verification.",
)
)
context[step.step_number] = result
break
detector_replan_verdict = None
detector_replan_attempt = None
if repair_hit:
mark_missing_evidence_attempt_result(
repair_state,
pending_repair_attempt,
"unrepaired",
new_step=step.step_number,
)
if (
remaining_steps
and replans_used < args.max_replans
and can_retry_missing_evidence(
repair_config,
repair_state,
repair_hit,
repair_attempts_by_target,
)
):
key = repair_target_key(repair_hit)
repair_attempts_by_target[key] = (
repair_attempts_by_target.get(key, 0) + 1
)
detector_replan_attempt = record_missing_evidence_retry_attempt(
repair_state,
repair_hit,
action="replan_suffix",
)
detector_replan_verdict = VerificationDecision(
decision="replan_suffix",
reason=(
repair_hit.get("reason")
or "Missing evidence detected before finalization."
),
updated_focus=(
"Repair the unresolved evidence gap before final answer "
"or work-order creation."
),
)
else:
mark_missing_evidence_unrepaired(repair_state, repair_hit)
if detector_replan_verdict is not None:
verdict = detector_replan_verdict
else:
verdict = verify_step(
args.question,
self_ask.augmented_question,
step,
provisional_entry,
history,
remaining_steps,
llm,
)
if (
verdict.decision == "retry"
and retries_used < args.max_retries_per_step
):
retries_used += 1
history.append(
serialize_step_result(
result,
verifier_decision="retry",
verifier_reason=verdict.reason,
retries_used=retries_used,
)
)
retry_question = build_retry_question(
args.question,
self_ask.augmented_question,
step,
provisional_entry,
verdict,
retries_used,
)
_LOG.info(
"Verifier requested retry for step %d; retrying with guided context.",
step.step_number,
)
step_question = retry_question
continue
if verdict.decision == "retry":
verdict = VerificationDecision(
decision="continue",
reason=(
f"{verdict.reason} Retry budget exhausted; continuing with the current result."
),
updated_focus=verdict.updated_focus,
)
context[step.step_number] = result
entry = serialize_step_result(
result,
verifier_decision=verdict.decision,
verifier_reason=verdict.reason,
verifier_updated_focus=verdict.updated_focus,
retries_used=retries_used,
)
history.append(entry)
if (
verdict.decision == "replan_suffix"
and remaining_steps
and replans_used < args.max_replans
):
replans_used += 1
replan_question = build_suffix_replan_question(
args.question,
self_ask.augmented_question,
history,
remaining_steps,
verdict,
)
suffix_plan, replan_error = generate_suffix_plan(
planner,
replan_question,
planner_descriptions,
)
if suffix_plan is None:
history[-1]["verifier_replan_error"] = replan_error
mark_missing_evidence_attempt_result(
repair_state,
detector_replan_attempt,
"replan_failed",
new_step=step.step_number,
)
else:
mark_missing_evidence_attempt_result(
repair_state,
detector_replan_attempt,
"suffix_replanned",
new_step=step.step_number,
)
history[-1]["verifier_replan_raw_plan"] = serialize_steps(
suffix_plan.steps
)
suffix_warnings = normalize_plan_steps(
suffix_plan, tool_catalog
)
for warning in suffix_warnings:
_LOG.info("%s", warning)
if suffix_warnings:
history[-1][
"verifier_replan_normalization_warnings"
] = suffix_warnings
shifted_plan = renumber_plan(
suffix_plan, max(p.step_number for p in all_plan_steps)
)
suffix_steps = list(shifted_plan.resolved_order())
all_plan_steps.extend(suffix_steps)
active_steps = active_steps[: step_index + 1] + suffix_steps
_LOG.info(
"Verifier triggered suffix replan with %d new step(s).",
len(suffix_steps),
)
break
step_index += 1
finally:
await close_executor(executor)
if repair_config.enabled:
finalize_missing_evidence_repair_state(repair_state, history)
adjudication = build_fault_risk_adjudication_state(
args.question,
history,
adjudication_config,
)
answer = summarize_answer(
args.question,
history,
llm,
fault_risk_adjudication=adjudication,
)
failed_steps = summarize_terminal_failures(history)
adjudication_failure = fault_risk_adjudication_failed_step(adjudication)
if adjudication_failure:
failed_steps.append(adjudication_failure)
output = {
"question": args.question,
"effective_question": self_ask.augmented_question,
"self_ask": {
"enabled": not args.disable_self_ask,
"needs_self_ask": self_ask.needs_self_ask,
"clarifying_questions": self_ask.clarifying_questions,
"assumptions": self_ask.assumptions,
},
"verification": {
"max_replans": args.max_replans,
"max_retries_per_step": args.max_retries_per_step,
"replans_used": replans_used,
},
"answer": answer,
"success": not failed_steps,
"failed_steps": failed_steps,
"raw_plan": raw_plan_payload,
"plan": serialize_steps(all_plan_steps),
"plan_normalization_warnings": normalization_warnings,
"history": history,
}
if repair_config.enabled:
output["mitigation_repair"] = repair_state
if adjudication_config.enabled:
output["fault_risk_adjudication"] = adjudication
if args.output_json:
print(json.dumps(output, indent=2))
if failed_steps:
raise SystemExit(1)
return
if args.show_plan:
print_plan(output["plan"])
if args.show_trajectory:
print_history(history)
print("\n" + "─" * 60)
print(" Answer")
print("─" * 60)
print(answer)
if failed_steps:
raise SystemExit(1)
def main() -> None:
parser = _extend_parser()
args = parser.parse_args()
setup_logging(args.verbose)
asyncio.run(_run(args))
if __name__ == "__main__":
main()
|