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import torch, random, re
from typing import Dict, Any, List, Optional, Tuple
from fastapi import Request
from sentence_transformers import util
from models.fallback_model import generate_fallback_response
ALPHA_THR = 0.58
DELTA_CLAMP = (-1.0, 1.0)
# ----------------------------
# Utilities
# ----------------------------
def _clamp(x: float, lo: float, hi: float) -> float:
return max(lo, min(hi, x))
def _adjust_delta_with_rag(delta: Dict[str, float]) -> Dict[str, float]:
trust = _clamp(float(delta.get("trust", 0.0)), *DELTA_CLAMP)
rel = _clamp(float(delta.get("relationship", 0.0)), *DELTA_CLAMP)
return {"trust": trust, "relationship": rel}
def _embedding_similarity(embedder, text: str, examples: List[str]) -> float:
if not examples:
return 0.0
inp_emb = embedder.encode(text, convert_to_tensor=True)
ex_embs = embedder.encode(examples, convert_to_tensor=True)
cos_scores = util.cos_sim(inp_emb, ex_embs)
return float(torch.mean(cos_scores).item())
def _doc_type(doc: Dict[str, Any]) -> Optional[str]:
if "type" in doc:
return doc.get("type")
return doc.get("metadata", {}).get("type")
def _get_flag_doc(rag_docs: List[Dict[str, Any]], flag_name: str) -> Dict[str, Any]:
for doc in rag_docs:
if _doc_type(doc) == "flag_def" and doc.get("flag_name") == flag_name:
return doc
return {}
def _get_turn_doc(rag_docs: List[Dict[str, Any]], npc_id: str, quest_stage: str) -> Dict[str, Any]:
# ๋์ผ npc_id/quest_stage์ธ ๊ฐ์ฅ ์ต์ (turn_index ์ต๋) ๋ฌธ์๋ฅผ ์ฐ์ ๋ฐํ
candidates = [
d for d in rag_docs
if _doc_type(d) == "dialogue_turn"
and d.get("npc_id") == npc_id
and d.get("quest_stage") == quest_stage
]
if not candidates:
return {}
return sorted(candidates, key=lambda d: d.get("turn_index", -1))[-1]
def _short_ctx_from_pre(pre_data: dict) -> str:
pairs = pre_data.get("context", []) or []
return "\n".join(f"{m.get('role', 'user')}: {m.get('text', '')}" for m in pairs)
async def fetch_response_policy_from_pre(pre_data: dict) -> str:
for doc in pre_data.get("rag_main_docs", []):
if _doc_type(doc) == "main_res_validate":
return doc.get("text", "") or doc.get("chunk", "")
return (
"์๋ต์ด NPC persona์ ํ์ฌ ์ํ(delta, flags)์ ๋ถํฉํ๋์ง ๊ฒ์ฆํ์์ค. "
"๋ถ์ ์ ํ ํํ์ ์ํํ๊ณ , ์ธ๊ณ๊ด์ ์ ์งํ์์ค."
)
# ----------------------------
# RAG helpers
# ----------------------------
def _extract_expected_delta(rag_docs: List[Dict[str, Any]]) -> Dict[str, float]:
# trigger_def.delta_expected ์ฐ์ , ์์ผ๋ฉด dialogue_turn.delta ํ๊ท (์ ํ)
expected = {}
for doc in rag_docs:
if _doc_type(doc) == "trigger_def" and doc.get("delta_expected"):
expected.update(doc["delta_expected"])
return expected
def _collect_value_contexts(rag_docs: List[Dict[str, Any]], value: str) -> List[str]:
contexts = []
for doc in rag_docs:
# description/content/text ํ๋์์ value๊ฐ ์ธ๊ธ๋ ๋ฌธ์ฅ ์์ง
for key in ("content", "text", "npc", "player"):
if value and isinstance(doc.get(key), str) and value in doc[key]:
contexts.append(doc[key])
return contexts
def _weight_by_doc_type(t: str) -> float:
# ๋ฑ์ฅ ์์น ๊ฐ์ค์น(์ํฉ์ ๋ง๊ฒ ์กฐ์ )
return {
"dialogue_turn": 1.2,
"trigger_def": 1.0,
"description": 1.0,
"npc_persona": 0.9,
"lore": 0.7,
"flag_def": 0.8,
"main_res_validate": 0.8,
}.get(t, 1.0)
def _collect_positive_negative_texts(rag_docs: List[Dict[str, Any]]) -> Tuple[List[str], List[str]]:
pos, neg = [], []
for doc in rag_docs:
t = _doc_type(doc)
w = _weight_by_doc_type(t)
if isinstance(doc.get("examples_positive"), list):
pos.extend([f"[{t}] {s}" for s in doc["examples_positive"]] * int(max(1, round(w))))
if isinstance(doc.get("examples_good"), list):
pos.extend([f"[{t}] {s}" for s in doc["examples_good"]] * int(max(1, round(w))))
if isinstance(doc.get("examples_negative"), list):
neg.extend([f"[{t}] {s}" for s in doc["examples_negative"]] * int(max(1, round(w))))
if isinstance(doc.get("examples_bad"), list):
neg.extend([f"[{t}] {s}" for s in doc["examples_bad"]] * int(max(1, round(w))))
return pos, neg
# ----------------------------
# Delta ๊ฒ์ฆ/๋ณด์
# ----------------------------
def _adjust_delta_with_rag_and_embedding(
delta: Dict[str, float],
rag_docs: List[Dict[str, Any]],
embedder,
player_utt: str,
npc_text: str,
flags_yes: List[str],
sim_threshold: float = 0.72,
diff_threshold: float = 0.18,
blend: float = 0.6 # expected์ ๋์ด๋น๊ธฐ๋ ๋น์จ
) -> Dict[str, float]:
trust = _clamp(float(delta.get("trust", 0.0)), *DELTA_CLAMP)
rel = _clamp(float(delta.get("relationship", 0.0)), *DELTA_CLAMP)
expected = _extract_expected_delta(rag_docs)
pos, neg = _collect_positive_negative_texts(rag_docs)
context_text = f"PLAYER: {player_utt}\nNPC: {npc_text}\nFLAGS: {', '.join(flags_yes) if flags_yes else 'none'}"
pos_sim = _embedding_similarity(embedder, context_text, pos) if pos else 0.0
neg_sim = _embedding_similarity(embedder, context_text, neg) if neg else 0.0
# ๋งฅ๋ฝ์ด โ๊ธ์ โ์ ๊ฐ๊น๊ณ ๊ธฐ๋์ ์ฐจ์ด๊ฐ ํฌ๋ฉด ๊ธฐ๋ ์ชฝ์ผ๋ก ๋ณด์
def _pull(val, key):
if key in expected:
exp = float(expected[key])
if abs(val - exp) > diff_threshold and pos_sim - neg_sim >= (sim_threshold - 0.1):
return _clamp(blend * exp + (1 - blend) * val, *DELTA_CLAMP)
return val
trust = _pull(trust, "trust")
rel = _pull(rel, "relationship")
return {"trust": trust, "relationship": rel}
# ----------------------------
# Flag ๋ณด์ ๋ก์ง
# ----------------------------
def adjust_flags_with_rag_and_embedding(
flags_prob: Dict[str, float],
flags_thr: Dict[str, float],
rag_flags_score: Dict[str, float],
rag_flags_pred: Dict[str, int],
embedder,
npc_text: str,
rag_positive_examples: Dict[str, List[str]],
deltas_final: Dict[str, float], # โ delta ๋ณด์ ๊ฒฐ๊ณผ ๋ฐ์
rag_docs: List[Dict[str, Any]],
alpha_model: float = 0.6,
margin: float = 0.05,
sim_threshold: float = 0.8,
random_jitter: float = 0.05
) -> Dict[str, int]:
# ์ ์ฒด ํจํด ์ ์ฌ๋
model_vector = [flags_prob.get(name, 0.0) for name in rag_flags_score.keys()]
rag_vector = [rag_flags_score.get(name, 0.0) for name in rag_flags_score.keys()]
sim = float(
embedder.encode([model_vector], convert_to_tensor=True)
@ embedder.encode([rag_vector], convert_to_tensor=True).T
)
expected = _extract_expected_delta(rag_docs)
final_preds = {}
for name in rag_flags_score.keys():
prob_model = float(flags_prob.get(name, 0.0))
thr_model = float(flags_thr.get(name, 0.5))
score_rag = float(rag_flags_score.get(name, 0.0))
_ = int(rag_flags_pred.get(name, 0))
emb_score = _embedding_similarity(embedder, npc_text, rag_positive_examples.get(name, []))
# delta ์ผ๊ด์ฑ ๋ณด์ (ํด๋น flag๊ฐ ์์๋ ๋ delta์์ ๋ถ์ผ์น ํจ๋ํฐ)
delta_penalty = 0.0
if expected:
# ์ ํธ๊ฐ ์์ ๋ณํ์ธ๋ฐ ๋ชจ๋ธ delta๊ฐ ํฐ ์์์ธ ๊ฒฝ์ฐ ๋ฑ
if "trust" in expected and deltas_final.get("trust", 0.0) * expected["trust"] < 0:
delta_penalty += 0.08
if "relationship" in expected and deltas_final.get("relationship", 0.0) * expected["relationship"] < 0:
delta_penalty += 0.06
# ํผํฉ ์ ์ + ์๋ฒ ๋ฉ + ๋ธํ ์ ํฉ
blended_score = (
alpha_model * prob_model
+ (1 - alpha_model) * score_rag
+ 0.2 * emb_score
- delta_penalty
)
thr_blend = alpha_model * thr_model + (1 - alpha_model) * 0.5
if abs(blended_score - thr_blend) <= margin:
adjusted_score = score_rag if sim < sim_threshold else blended_score
else:
adjusted_score = blended_score
if adjusted_score != score_rag:
adjusted_score += random.uniform(-random_jitter, random_jitter)
adjusted_score = max(0.0, min(1.0, adjusted_score))
final_preds[name] = int(adjusted_score >= thr_blend)
return final_preds
# ----------------------------
# Validators / Rewriters
# ----------------------------
async def validate_or_rewrite_response(
request: Request,
response_text: str,
description_text: str,
ctx_text: str,
player_utt: str,
deltas: Dict[str, float],
flags_yes: List[str],
flags_values: Dict[str, str], # โ ์ถ๊ฐ
value_contexts: Dict[str, List[str]], # โ ์ถ๊ฐ
) -> str:
flag_value_info = "\n".join(f"- {k}: {v}" for k, v in flags_values.items()) if flags_values else "none"
value_ctx_lines = []
for k, arr in value_contexts.items():
if arr:
# ๋๋ฌด ๊ธธ์ด์ง๋ ๊ฒ์ ๋ฐฉ์งํ์ฌ ์์ 1~2๊ฐ๋ง
value_ctx_lines.append(f"- {k}: {arr[0]}")
if len(arr) > 1:
value_ctx_lines.append(f" (more: {min(2, len(arr)-1)} refs)")
value_ctx_info = "\n".join(value_ctx_lines) if value_ctx_lines else "none"
prompt = (
"๋ค์์ ๊ฒ์ ๋ด NPC ์๋ต์
๋๋ค.\n"
f"[RESPONSE]\n{response_text}\n[/RESPONSE]\n\n"
"์๋์ ๊ฒ์ฆ ๊ธฐ์ค์ ๋ง์กฑํ๋์ง ํ๋จํ๊ณ , ๋ง์กฑํ์ง ์์ผ๋ฉด ๊ธฐ์ค์ ๋ง๊ฒ ์์ฐ์ค๋ฝ๊ฒ ์ฌ์์ฑํ์ธ์.\n"
f"[FINAL_CHECK_DESCRIPTION]\n{description_text}\n[/FINAL_CHECK_DESCRIPTION]\n\n"
"์ํ ์ ๋ณด:\n"
f"- DELTA: trust={deltas.get('trust',0.0):.3f}, relationship={deltas.get('relationship',0.0):.3f}\n"
f"- FLAGS(YES): {', '.join(flags_yes) if flags_yes else 'none'}\n"
f"- FLAG_VALUES:\n{flag_value_info}\n"
f"- VALUE_CONTEXTS:\n{value_ctx_info}\n\n"
"๋งฅ๋ฝ:\n"
f"[CTX]\n{ctx_text}\n[/CTX]\n"
f"[PLAYER]\n{player_utt}\n[/PLAYER]\n\n"
"์๊ตฌ์ฌํญ:\n"
"- ๊ธฐ์ค์ ๋ง์กฑํ๋ฉด ์๋ต์ ๊ทธ๋๋ก ์ถ๋ ฅํ๋ ๋ฏผ๊ฐํ ํํ์ ์ํํ์ธ์.\n"
"- ๊ธฐ์ค์ ๋ง์กฑํ์ง ์์ผ๋ฉด ๊ธฐ์ค์ ์ถฉ์กฑํ๋๋ก ์๋ต์ ์์ฐ์ค๋ฝ๊ฒ ์ฌ์์ฑํ์ธ์.\n"
"- ์ถ๋ ฅ์ NPC์ ์ต์ข
๋์ฌ๋ง ํ ์ค๋ก ์ ๊ณตํ์ธ์."
)
fb_raw = await generate_fallback_response(request, prompt)
return fb_raw.strip()
# ----------------------------
# Main path postprocess
# ----------------------------
async def postprocess_main(
request: Request,
pre_data: dict,
model_payload: dict
) -> dict:
embedder = request.app.state.embedder
npc_id = pre_data["npc_id"]
quest_stage = pre_data["game_state"].get("quest_stage", "default")
location = pre_data["game_state"].get("location", "unknown")
rag_docs = pre_data.get("rag_main_docs", [])
npc_text_in = (model_payload.get("npc_output_text") or "").strip()
player_utt = pre_data.get("player_utterance", "")
# 1) Delta ๊ฒ์ฆ/๋ณด์ (์๋ฏธ ๊ธฐ๋ฐ + ๊ธฐ๋๊ฐ)
deltas_in = model_payload.get("deltas", {}) or {}
deltas_adj = _adjust_delta_with_rag_and_embedding(
delta=deltas_in,
rag_docs=rag_docs,
embedder=embedder,
player_utt=player_utt,
npc_text=npc_text_in,
flags_yes=[],
)
# 2) Flag ๋ณด์ (์๋ฒ ๋ฉ/๊ธฐ๋ ๋ธํ ๋ฐ์)
flags_binary = adjust_flags_with_rag_and_embedding(
flags_prob=model_payload.get("flags_prob", {}),
flags_thr=model_payload.get("flags_thr", {}),
rag_flags_score={doc["flag_name"]: doc.get("score_rag", 0.0) for doc in rag_docs if _doc_type(doc) == "flag_def"},
rag_flags_pred={doc["flag_name"]: doc.get("pred_rag", 0) for doc in rag_docs if _doc_type(doc) == "flag_def"},
embedder=embedder,
npc_text=npc_text_in,
rag_positive_examples={doc["flag_name"]: doc.get("examples_positive", []) for doc in rag_docs if _doc_type(doc) == "flag_def"},
deltas_final=deltas_adj,
rag_docs=rag_docs,
)
# ์์ธ ์ ๋ณด ๊ธฐ๋ก + yes ๋ฆฌ์คํธ
flags_detail = {}
flags_yes_list: List[str] = []
for name, pred in flags_binary.items():
flag_doc = _get_flag_doc(rag_docs, name)
score_model = float(model_payload.get("flags_prob", {}).get(name, 0.0))
thr_model = float(model_payload.get("flags_thr", {}).get(name, 0.5))
rag_thr = float(flag_doc.get("threshold", 0.5)) if flag_doc else 0.5
examples_pos = flag_doc.get("examples_positive", []) if flag_doc else []
emb_score = _embedding_similarity(embedder, npc_text_in, examples_pos) if examples_pos else 0.0
thr_blend = ALPHA_THR * thr_model + (1.0 - ALPHA_THR) * rag_thr
flags_detail[name] = {
"score_model": score_model,
"thr_model": thr_model,
"thr_rag": rag_thr,
"thr_blend": thr_blend,
"emb_score": emb_score,
"pred": pred
}
if pred == 1:
flags_yes_list.append(name)
# 3) Flag value ์ถ์ถ(๋ํ ํด ์ค์ ๊ฐ ์ฐ์ ) + value ๋งฅ๋ฝ ์์ง
flags_values: Dict[str, str] = {}
value_contexts: Dict[str, List[str]] = {}
turn_doc = _get_turn_doc(rag_docs, npc_id, quest_stage)
def _turn_flag_value(doc: Dict[str, Any], fname: str) -> Optional[str]:
if not doc:
return None
# ๋ฆฌ์คํธ ๊ตฌ์กฐ ์ ์
flags = doc.get("flags")
if isinstance(flags, list):
for f in flags:
if f.get("flag_name") == fname:
return f.get("flag_value")
# ํ์ํธํ: dict์ธ ๊ฒฝ์ฐ yes(1)/no(0)๋ง ์ ๊ณต๋จ
if isinstance(flags, dict) and fname in flags:
return "yes" if flags.get(fname) else "no"
return None
for name in flags_yes_list:
if name in ["give_item", "npc_action", "change_player_state", "change_game_state"]:
val = _turn_flag_value(turn_doc, name)
if val:
flags_values[name] = val
value_contexts[name] = _collect_value_contexts(rag_docs, val)
# 3-1) value ์ผ์น์ฑ ์๋ฒ ๋ฉ ๊ฒ์ฆ(์๋ต๊ณผ value ๋งฅ๋ฝ์ ์ ์ฌ๋)
# ์ ์ฌ๋๊ฐ ๋ฎ์ผ๋ฉด response ์ฌ์์ฑ์์ ๋ณด์ ๋๋๋ก ํํธ ์ ๊ณต
# (์ฌ๊ธฐ์ ๋ฐ๋ก ๊ฐ์ ๋ฐ๊พธ์ง๋ ์๊ณ , ๊ฒ์ฆ ํ๋กฌํํธ์ context๋ก ์ ๋ฌ)
# ํ์ ์ ํ๋ ํธ๋ฆฌ๊ฑฐ๋ฅผ ์ถ๊ฐํ ์ ์์
# 4) ์๋ต ๊ฒ์ฆ/์ฌ์์ฑ(์ต์ข
delta/flags/value ๊ธฐ์ค)
desc_text = await fetch_response_policy_from_pre(pre_data)
ctx_text = _short_ctx_from_pre(pre_data)
npc_text_out = await validate_or_rewrite_response(
request=request,
response_text=npc_text_in,
description_text=desc_text,
ctx_text=ctx_text,
player_utt=player_utt,
deltas=deltas_adj,
flags_yes=flags_yes_list,
flags_values=flags_values,
value_contexts=value_contexts,
)
return {
"session_id": model_payload.get("session_id"),
"npc_output_text": npc_text_out,
"deltas": deltas_adj, # ๋ณด์ ์๋ฃ ๋ธํ
"flags": {k: 1 if k in flags_yes_list else 0 for k in flags_binary.keys()},
"valid": True,
"meta": {
"npc_id": npc_id,
"quest_stage": quest_stage,
"location": location,
"additional_trigger": pre_data.get("additional_trigger", False),
"trigger_meta": pre_data.get("trigger_meta", {}),
"flags_detail": flags_detail,
"flags_values": flags_values,
"value_contexts": value_contexts,
}
}
# ----------------------------
# Fallback path postprocess
# ----------------------------
async def fallback_final_check(
request: Request,
fb_response: str,
player_utt: str,
npc_config: dict,
action_delta: dict
) -> str:
"""
fallback ์๋ต์ ์ต์ข
๋ณด์ :
1) npc_action / npc_emotion / delta์ ์๋ฏธ์ ์ผ์น
2) ์ธ๊ณ๊ด ๋ฐ ์์ ์ฑ(ํํ ์ํ)
"""
checks = []
npc_action = action_delta.get("npc_action")
npc_emotion = action_delta.get("npc_emotion")
delta = action_delta.get("delta", {}) or {}
if npc_action:
checks.append(f"NPC๋ '{npc_action}' ํ๋์ ๋ฐ์ํด์ผ ํจ")
if npc_emotion:
checks.append(f"NPC๋ '{npc_emotion}' ๊ฐ์ ์ ํํํด์ผ ํจ")
for name, value in delta.items():
direction = "๊ธ์ ์ " if value > 0.5 else "๋ถ์ ์ " if value < -0.5 else "์ค๋ฆฝ์ "
checks.append(f"{name} ๊ฐ({value:.2f})์ {direction} ๋ฐฉํฅ์ด๋ฉฐ, ์ด์ ๋ง๋ ๋ฐ์์ด์ด์ผ ํจ")
checks.append("์๋ต์ด NPC persona์ ์ธ๊ณ๊ด์ ๋ถํฉํด์ผ ํจ")
checks.append("๋ฏผ๊ฐํ ํํ์ ์ํํด์ผ ํจ")
delta_desc = ", ".join([f"{k}={v:.2f}(-1.0~1.0)" for k, v in delta.items()]) or "์์"
prompt = (
"๋ค์์ ๊ฒ์ ๋ด NPC์ ์๋ต์
๋๋ค.\n"
f"[RESPONSE]\n{fb_response}\n[/RESPONSE]\n\n"
"๊ฒ์ฆ ๊ธฐ์ค:\n" + "\n".join(f"- {c}" for c in checks) + "\n\n"
f"ํ๋ ์ด์ด ๋ฐํ: {player_utt}\n"
"์๊ตฌ์ฌํญ:\n"
"- ๊ธฐ์ค์ ๋ง์กฑํ๋ฉด ์๋ต์ ๊ทธ๋๋ก ์ถ๋ ฅํ์ธ์.\n"
"- ๊ธฐ์ค์ ๋ง์กฑํ์ง ์์ผ๋ฉด ๊ธฐ์ค์ ๋ถํฉํ๋๋ก ์์ฐ์ค๋ฝ๊ฒ ์์ ํ์ธ์.\n"
"- ์ถ๋ ฅ์ NPC์ ์ต์ข
๋์ฌ๋ง ํ ์ค๋ก ์ ๊ณตํ์ธ์.\n\n"
"NPC ์ํ ์์ฝ:\n"
f"- ACTION: {npc_action or '์์'}\n"
f"- EMOTION: {npc_emotion or '์์'}\n"
f"- DELTA: {delta_desc}\n"
)
fb_checked = await generate_fallback_response(request, prompt)
return fb_checked.strip()
async def postprocess_fallback(
request: Request,
pre_data: dict,
fb_raw_text: str
) -> dict:
"""
Fallback ๋ชจ๋ธ ์ถ๋ ฅ์ ๋ํด:
- ํน์ fallback์ด๋ฉด action/delta ๋ฐ์ํ์ฌ ์ต์ข
๋ณด์
- deltas๋ pre_data.trigger_meta.delta๋ฅผ ์ด๋ฒ ํด ๋ณํ๋์ผ๋ก ์ฌ์ฉ
- flags๋ ๊ธฐ๋ณธ์ ์ผ๋ก ๋น์ด์์(ํ์ ์ pre์์ ํ์ ๊ฐ๋ฅ)
"""
npc_id = pre_data["npc_id"]
quest_stage = pre_data["game_state"].get("quest_stage", "default")
location = pre_data["game_state"].get("location", "unknown")
trigger_meta = pre_data.get("trigger_meta", {}) or {}
action_delta = {
"npc_action": trigger_meta.get("npc_action"),
"npc_emotion": trigger_meta.get("npc_emotion"),
"delta": trigger_meta.get("delta", {}) or {}
}
# ์ด๋ฒ ํด ๋ณํ๋(ํน์ fallback์ ๊ฒฝ์ฐ trigger_meta.delta๊ฐ ๊ธฐ์ค)
deltas_adj = _adjust_delta_with_rag(action_delta.get("delta", {}))
# ํน์ fallback ๋ณด์
player_utt = pre_data.get("player_utterance", "")
npc_config = pre_data.get("tags", {}) or {}
if pre_data.get("additional_trigger", False):
fb_checked = await fallback_final_check(
request=request,
fb_response=fb_raw_text,
player_utt=player_utt,
npc_config=npc_config,
action_delta={"npc_action": action_delta.get("npc_action"),
"npc_emotion": action_delta.get("npc_emotion"),
"delta": deltas_adj}
)
else:
fb_checked = fb_raw_text.strip()
return {
"session_id": pre_data.get("session_id"),
"npc_output_text": fb_checked,
"deltas": deltas_adj, # ์ด๋ฒ ํด ๋ณํ๋
"flags": {}, # ๊ธฐ๋ณธ ๋น์ด ์์(ํ์ ์ pre ๋จ๊ณ์์ ํ์ ๊ฐ๋ฅ)
"valid": False,
"meta": {
"npc_id": npc_id,
"quest_stage": quest_stage,
"location": location,
"additional_trigger": pre_data.get("additional_trigger", False),
"trigger_meta": trigger_meta
}
}
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