4e6b0045e3
- 관리자(role=admin)가 학습자·교수자·관리자 워크스페이스를 모두 접근하도록 can_access_role/require_role와 프론트 auth 헬퍼·Sidebar 내비를 정리하고 admin 워크스페이스 내비 E2E를 추가. - 소유자 결정 7건 전건 확정(2026-06-30)을 SSOT 대시보드·백로그에 반영하고 결정 필요 7→0으로 동기화. SSOT drift 게이트 기대 카운트도 갱신. - 확정된 H1 평가설계(κ≥0.70·ICC≥0.75·환각률≤0.03·t-검정 α=0.05·무작위 배정)를 approved-export κ 게이트(checker·dataset_export·recursive export)와 KPI 측정계획·export manifest 문서에 반영. 검증: npm run typecheck, npm run check:api-types, 백엔드 pytest 290 passed, admin 내비 E2E 1 passed, 레이아웃 시각게이트 9/9, session-layout 4 passed, SSOT drift 게이트 PASS.
400 lines
14 KiB
Python
400 lines
14 KiB
Python
"""Phase 3 recursive-learning dataset export helpers.
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The exporter is intentionally conservative: it only emits masked text, keeps raw
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database identifiers out of JSONL records, and never upgrades an artifact to an
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approved seed dataset unless the explicit approval and agreement gates pass.
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"""
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from __future__ import annotations
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import hashlib
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import json
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import math
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import re
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from collections import Counter, defaultdict
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from dataclasses import dataclass, field
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from datetime import UTC, date, datetime
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from decimal import Decimal
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from pathlib import Path
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from typing import Any, Iterable, Mapping, Sequence
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from uuid import UUID
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DATASET_ITEM_SCHEMA = "phase3_dataset_item_v1"
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APPROVED_EXPORT_STATUS = "approved_for_recursive_learning_seed"
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DRY_RUN_EXPORT_STATUS = "technical_dry_run"
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BLOCKED_EXPORT_STATUS = "blocked"
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EXPORT_STATUSES = {APPROVED_EXPORT_STATUS, DRY_RUN_EXPORT_STATUS, BLOCKED_EXPORT_STATUS}
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BLOCKED_FIELD_NAMES = {
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"name",
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"email",
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"phone",
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"student_id",
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"national_id",
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"address",
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"date_of_birth",
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"raw_audio_path",
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"raw_voice",
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"raw_source_case",
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"identity_map",
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"api_key",
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"api_keys",
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"access_token",
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"refresh_token",
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"token",
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"cookie",
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"credentials",
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"credential",
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"secret",
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}
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PII_PATTERNS: tuple[tuple[str, re.Pattern[str]], ...] = (
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("email", re.compile(r"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", re.I)),
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(
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"phone",
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re.compile(r"\b(?:\+?82[-. ]?)?(?:0?1[016789]|0[2-9]\d?)[-. ]?\d{3,4}[-. ]?\d{4}\b"),
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),
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("national_id", re.compile(r"\b\d{6}[- ]?[1-4]\d{6}\b")),
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("student_id", re.compile(r"\b20\d{2}[- ]?\d{4,8}\b")),
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(
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"secret",
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re.compile(
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r"(?i)\b(?:api[_-]?key|access[_-]?token|refresh[_-]?token|session[_-]?secret|cookie)\b\s*[:=]\s*\S+"
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),
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),
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("secret", re.compile(r"\b(?:sk-[A-Za-z0-9_-]{12,}|AIza[0-9A-Za-z_-]{20,}|xox[baprs]-[A-Za-z0-9-]+)\b")),
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)
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@dataclass
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class ExportKeyMaps:
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participant: dict[str, str] = field(default_factory=dict)
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session: dict[str, str] = field(default_factory=dict)
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def participant_key(self, raw_id: Any) -> str:
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key = str(raw_id or "unknown-participant")
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if key not in self.participant:
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self.participant[key] = f"PX-{len(self.participant) + 1:04d}"
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return self.participant[key]
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def session_key(self, raw_id: Any) -> str:
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key = str(raw_id or "unknown-session")
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if key not in self.session:
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self.session[key] = f"SX-{len(self.session) + 1:04d}"
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return self.session[key]
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def json_safe(value: Any) -> Any:
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if isinstance(value, (datetime, date)):
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if isinstance(value, datetime) and value.tzinfo is None:
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value = value.replace(tzinfo=UTC)
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return value.isoformat().replace("+00:00", "Z")
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if isinstance(value, (UUID, Decimal)):
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return str(value)
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if isinstance(value, Mapping):
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return {str(key): json_safe(item) for key, item in value.items()}
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if isinstance(value, list):
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return [json_safe(item) for item in value]
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if isinstance(value, tuple):
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return [json_safe(item) for item in value]
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return value
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def normalize_json_value(value: Any) -> Any:
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if isinstance(value, str):
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stripped = value.strip()
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if stripped.startswith(("{", "[")):
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try:
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return json.loads(stripped)
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except json.JSONDecodeError:
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return value
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return value
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def _redacted_sample(kind: str, value: str) -> str:
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if kind == "email" and "@" in value:
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return f"<email:{value.rsplit('@', 1)[1].lower()}>"
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return f"<{kind}>"
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def _scan_text(value: str, path: str) -> list[dict[str, Any]]:
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findings: list[dict[str, Any]] = []
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for kind, pattern in PII_PATTERNS:
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for match in pattern.finditer(value):
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findings.append(
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{
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"kind": kind,
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"path": path,
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"sample": _redacted_sample(kind, match.group(0)),
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}
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)
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return findings
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def scan_for_pii(value: Any, path: str = "$") -> list[dict[str, Any]]:
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findings: list[dict[str, Any]] = []
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if isinstance(value, Mapping):
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for raw_key, item in value.items():
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key = str(raw_key)
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next_path = f"{path}.{key}"
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if key.lower() in BLOCKED_FIELD_NAMES:
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findings.append({"kind": "blocked_field", "path": next_path, "sample": f"<{key.lower()}>"})
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findings.extend(scan_for_pii(item, next_path))
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return findings
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if isinstance(value, list):
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for index, item in enumerate(value):
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findings.extend(scan_for_pii(item, f"{path}[{index}]"))
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return findings
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if isinstance(value, str):
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findings.extend(_scan_text(value, path))
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return findings
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def build_dataset_record(
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row: Mapping[str, Any],
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*,
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item_index: int,
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export_manifest_id: str,
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keys: ExportKeyMaps,
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pii_scan_status: str = "pending",
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consent_scope: str = "recursive_learning_seed",
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) -> dict[str, Any]:
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text_masked = str(row.get("text_masked") or "").strip()
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if not text_masked:
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raise ValueError("dataset export requires non-empty text_masked")
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participant_key = keys.participant_key(row.get("learner_id"))
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session_key = keys.session_key(row.get("session_id"))
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persona_code = row.get("persona_code") or row.get("persona_id") or "unknown"
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return {
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"schema": DATASET_ITEM_SCHEMA,
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"item_id": f"DI-{item_index:06d}",
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"participant_key": participant_key,
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"session_key": session_key,
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"turn_key": f"TX-{item_index:06d}",
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"persona_id": str(persona_code),
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"stage": row.get("stage") or "",
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"speaker": row.get("speaker") or "",
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"text_masked": text_masked,
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"techniques": json_safe(normalize_json_value(row.get("techniques") or [])),
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"client_states": json_safe(normalize_json_value(row.get("client_states") or [])),
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"feedback_scores": json_safe(normalize_json_value(row.get("feedback_scores") or [])),
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"supervisor_comments": json_safe(normalize_json_value(row.get("supervisor_comments") or [])),
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"source_refs": {
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"session_started_at": json_safe(row.get("session_started_at") or row.get("started_at")),
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"export_manifest_id": export_manifest_id,
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},
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"privacy": {
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"direct_identifiers_removed": True,
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"pii_scan_status": pii_scan_status,
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"consent_scope": consent_scope,
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},
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}
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def write_jsonl(records: Sequence[Mapping[str, Any]], path: Path) -> None:
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path.parent.mkdir(parents=True, exist_ok=True)
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with path.open("w", encoding="utf-8", newline="\n") as handle:
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for record in records:
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handle.write(json.dumps(json_safe(record), ensure_ascii=False, sort_keys=True, separators=(",", ":")))
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handle.write("\n")
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def sha256_file(path: Path) -> str:
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digest = hashlib.sha256()
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with path.open("rb") as handle:
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for chunk in iter(lambda: handle.read(1024 * 1024), b""):
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digest.update(chunk)
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return digest.hexdigest()
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def cohen_kappa(annotations: Iterable[Mapping[str, Any]], label_key: str) -> float | None:
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pairs: list[tuple[Any, Any]] = []
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by_item: dict[Any, list[Any]] = defaultdict(list)
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for annotation in annotations:
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labels = normalize_json_value(annotation.get("labels") or {})
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if not isinstance(labels, Mapping) or label_key not in labels:
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continue
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by_item[annotation.get("item_id")].append(labels[label_key])
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for values in by_item.values():
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if len(values) >= 2:
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pairs.append((values[0], values[1]))
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if not pairs:
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return None
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total = len(pairs)
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observed = sum(1 for left, right in pairs if left == right) / total
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left_counts = Counter(left for left, _ in pairs)
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right_counts = Counter(right for _, right in pairs)
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expected = sum((left_counts[label] / total) * (right_counts[label] / total) for label in set(left_counts) | set(right_counts))
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if math.isclose(1.0, expected):
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return 1.0 if math.isclose(1.0, observed) else None
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return round((observed - expected) / (1.0 - expected), 4)
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def intraclass_correlation(annotations: Iterable[Mapping[str, Any]], score_key: str) -> float | None:
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by_item: dict[Any, list[float]] = defaultdict(list)
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for annotation in annotations:
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labels = normalize_json_value(annotation.get("labels") or {})
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if not isinstance(labels, Mapping) or score_key not in labels:
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continue
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try:
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by_item[annotation.get("item_id")].append(float(labels[score_key]))
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except (TypeError, ValueError):
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continue
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matrix = [values[:2] for values in by_item.values() if len(values) >= 2]
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if len(matrix) < 2:
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return None
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n = len(matrix)
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k = 2
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row_means = [sum(row) / k for row in matrix]
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col_means = [sum(row[col] for row in matrix) / n for col in range(k)]
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grand_mean = sum(row_means) / n
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msr = k * sum((mean - grand_mean) ** 2 for mean in row_means) / (n - 1)
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msc = n * sum((mean - grand_mean) ** 2 for mean in col_means) / (k - 1)
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residual = 0.0
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for row_index, row in enumerate(matrix):
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for col_index, value in enumerate(row):
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residual += (value - row_means[row_index] - col_means[col_index] + grand_mean) ** 2
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mse = residual / ((n - 1) * (k - 1))
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denominator = msr + (k - 1) * mse + (k * (msc - mse) / n)
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if math.isclose(denominator, 0.0):
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return None
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return round((msr - mse) / denominator, 4)
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def infer_source_window(records: Sequence[Mapping[str, Any]]) -> dict[str, Any]:
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starts = [record.get("source_refs", {}).get("session_started_at") for record in records]
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starts = [value for value in starts if value]
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return {
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"started_at": min(starts) if starts else "",
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"ended_at": max(starts) if starts else "",
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}
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def build_manifest(
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*,
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export_id: str,
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dataset_name: str,
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export_status: str,
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purpose: str,
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records: Sequence[Mapping[str, Any]],
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jsonl_path: str,
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jsonl_sha256: str,
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pii_findings: Sequence[Mapping[str, Any]],
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participants_included: int,
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participants_excluded: int = 0,
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cohort_id: str = "phase3",
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consent_version: str = "",
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agreement: Mapping[str, Any] | None = None,
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approvals: Mapping[str, str] | None = None,
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known_limitations: Sequence[str] | None = None,
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created_at: datetime | None = None,
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) -> dict[str, Any]:
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if export_status not in EXPORT_STATUSES:
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raise ValueError(f"unsupported export_status: {export_status}")
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agreement_payload = {
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"kappa": None,
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"icc": None,
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"gold_status": "not_gold",
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}
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if agreement:
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agreement_payload.update(dict(agreement))
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approvals_payload = {
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"data_steward": "",
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"legal_or_privacy_reviewer": "",
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"technical_operator": "",
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"approved_at": "",
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}
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if approvals:
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approvals_payload.update({key: value for key, value in approvals.items() if value is not None})
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pii_status = "pass" if not pii_findings else "fail"
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limitations = list(known_limitations or [])
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if export_status != APPROVED_EXPORT_STATUS:
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limitations.append("technical dry-run only; data-steward/legal approval is not complete")
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if pii_findings:
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limitations.append("PII scan found records requiring reviewer disposition")
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manifest = {
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"export_id": export_id,
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"dataset_name": dataset_name,
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"export_status": export_status,
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"created_at": json_safe(created_at or datetime.now(UTC)),
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"purpose": purpose,
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"source_window": infer_source_window(records),
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"source_tables": [
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"app.sessions",
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"app.turns",
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"app.feedback_scores",
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"app.turn_technique",
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"app.turn_client_state",
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"app.supervisor_comment",
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"ds.annotation",
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"ds.export_manifest",
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],
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"selection_criteria": {
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"cohort_id": cohort_id,
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"min_completed_sessions": 0,
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"include_withdrawn": False,
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"excluded_safety_scope": ["self_harm_scenario_primary"],
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},
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"consent_scope": {
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"consent_version": consent_version,
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"allowed_uses": ["education_quality_review", "recursive_learning_seed"],
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"withdrawal_cutoff_applied_at": "",
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"participants_included": participants_included,
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"participants_excluded": participants_excluded,
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},
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"anonymization": {
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"participant_key": "pseudonymous export key; no identity map included",
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"text_transform": "masked_text_only",
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"direct_identifier_policy": "blocked",
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"salt_or_identity_map_location": "not in export",
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},
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"pii_scan": {
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"tool": "vignette.dataset_export.regex",
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"version": "1",
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"ran_at": json_safe(datetime.now(UTC)),
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"status": pii_status,
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"findings": [json_safe(finding) for finding in pii_findings],
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},
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"agreement": agreement_payload,
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"files": [
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{
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"path": jsonl_path,
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"rows": len(records),
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"sha256": jsonl_sha256,
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"schema": DATASET_ITEM_SCHEMA,
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}
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],
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"approvals": approvals_payload,
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"known_limitations": sorted(set(limitations)),
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}
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validate_manifest_gate(manifest)
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return manifest
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def validate_manifest_gate(manifest: Mapping[str, Any]) -> None:
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if manifest.get("export_status") != APPROVED_EXPORT_STATUS:
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return
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errors: list[str] = []
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pii_scan = manifest.get("pii_scan") or {}
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agreement = manifest.get("agreement") or {}
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approvals = manifest.get("approvals") or {}
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if pii_scan.get("status") != "pass":
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errors.append("PII scan must pass")
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if (agreement.get("kappa") or 0) < 0.70:
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errors.append("kappa must be >= 0.70")
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if (agreement.get("icc") or 0) < 0.75:
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errors.append("ICC must be >= 0.75")
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for key in ("data_steward", "legal_or_privacy_reviewer", "technical_operator", "approved_at"):
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if not str(approvals.get(key) or "").strip():
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errors.append(f"approval missing: {key}")
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if errors:
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raise ValueError("; ".join(errors))
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