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#!/usr/bin/env python3
"""ASHQ1 β€” All-in-One Imatrix-Driven Hybrid Quantization Engine."""
import argparse,heapq,json,math,os,re,subprocess,sys,warnings
from bisect import bisect_left
from collections import defaultdict
from dataclasses import dataclass,field
from functools import lru_cache
from typing import Any,Dict,List,Set,Tuple
import gguf
import numpy as np

# ═══════════════════════════════════════════════════════════════════════════
# 1. CONSTANTS & TENSOR CLASSIFICATION HELPERS
# ═══════════════════════════════════════════════════════════════════════════

GGUF_TYPE_NAMES={
	0:"F32",1:"F16",2:"Q4_0",3:"Q4_1",6:"Q5_0",7:"Q5_1",8:"Q8_0",9:"Q8_1",
	10:"Q2_K",11:"Q3_K",12:"Q4_K",13:"Q5_K",14:"Q6_K",15:"Q8_K",
	16:"IQ2_XXS",17:"IQ2_XS",18:"IQ3_XXS",19:"IQ1_S",20:"IQ4_NL",
	21:"IQ3_S",22:"IQ2_S",23:"IQ4_XS",29:"IQ1_M",30:"BF16",
}

GGUF_TYPE_NAMES_INV={v:k for k,v in GGUF_TYPE_NAMES.items()}

# Ordered from lowest to highest precision
TIER_ORDER=[
	"IQ1_S","IQ2_XXS","IQ2_XS","IQ2_S",
	"IQ3_XXS","Q3_K","IQ3_S",
	"IQ4_XS","IQ4_NL","Q4_K","Q5_K","Q6_K","Q8_0","F16",
]

# Exact bits per weight from ggml block structs (ggml_type_sizef * 8)
TIER_BPW={
	"IQ1_S":1.5625,
	"IQ2_XXS":2.0625,
	"IQ2_XS":2.3125,
	"IQ2_S":2.5,
	"IQ3_XXS":3.0625,
	"Q3_K":3.4375,
	"IQ3_S":3.44,
	"IQ4_XS":4.25,
	"IQ4_NL":4.5,
	"Q4_K":4.5,
	"Q5_K":5.5,
	"Q6_K":6.5625,
	"Q8_0":8.5,
	"F16":16.0,
}

OVERHEAD_CACHE="ashq1-overhead.json"

def _overhead_cache_path(model_path:str)->str:
	return os.path.join(os.path.dirname(os.path.abspath(model_path)),OVERHEAD_CACHE)

def _overhead_key(model_path:str,profile:str)->str:
	return f"{os.path.basename(model_path)}|{profile}"

def load_overhead_factor(model_path:str,profile:str="quality")->float:
	p=_overhead_cache_path(model_path)
	if os.path.isfile(p):
		try:
			with open(p,"r",encoding="utf-8") as f:
				v=float(json.load(f).get(_overhead_key(model_path,profile),1.0))
			if 0.9<=v<=1.1:return v
		except Exception:pass
	return 1.0

def save_overhead_factor(model_path:str,factor:float,profile:str="quality"):
	if not(0.9<=factor<=1.1):return
	p=_overhead_cache_path(model_path)
	data={}
	if os.path.isfile(p):
		try:
			with open(p,"r",encoding="utf-8") as f:data=json.load(f)
		except Exception:data={}
	data[_overhead_key(model_path,profile)]=round(factor,4)
	try:
		with open(p,"w",encoding="utf-8") as f:json.dump(data,f,indent=2)
	except Exception as e:
		print(f"  [WARN] Overhead cache write failed: {e}")

GGUF_OVERHEAD_FACTOR=1.000

QUANT_RANK={tier:i for i,tier in enumerate(TIER_ORDER)}

# Hard floors per tensor class to guarantee stability across long context
CLASS_HARD_FLOORS={
	"gate":"Q5_K",
	"attn_proj":"IQ3_S",
	"ffn_gate_up":"IQ2_XXS",
	"ffn_down":"IQ3_S",
	"norms":"F16",
	"ssm_params":"F16",
	# Recurrent memory state requires Q8_0 to prevent state collapse in long contexts
	"gdn_state":"Q8_0",
	"mtp":"Q5_K",
	"embd":"IQ4_XS",
	"shexp":"Q4_K",
}

CLASS_MAX_TIER={
	"gate":"F16",
	"attn_proj":"Q8_0",
	"ffn_gate_up":"F16",
	"ffn_down":"F16",
	"norms":"F16",
	"ssm_params":"F16",
	"gdn_state":"F16",
	"mtp":"F16",
	"embd":"F16",
	"shexp":"F16",
}

CAN_Q3={"ffn_gate","ffn_up","ffn_down","attn_output","ssm_out"}
ALLOW_LOWER_FLOOR="IQ2_XXS"
DEFAULT_FLOOR="Q4_K"

TIER_FLOORS={
	"nano":{
		"gate":"Q6_K",
		"attn_proj":"IQ3_S",
		"ffn_gate_up":"IQ2_XXS",
		"ffn_down":"IQ2_S",
		"norms":"F16",
		"ssm_params":"F16",
		"gdn_state":"Q8_0",
		"mtp":"IQ4_XS",
		"embd":"IQ4_XS",
		"shexp":"Q4_K",
		"unknown":"IQ3_XXS",
	},
	"mini":{
		"gate":"Q6_K",
		"attn_proj":"IQ4_XS",
		"ffn_gate_up":"IQ3_S",
		"ffn_down":"IQ4_XS",
		"norms":"F16",
		"ssm_params":"F16",
		"gdn_state":"Q8_0",
		"mtp":"Q5_K",
		"embd":"IQ4_XS",
		"shexp":"Q5_K",
		"unknown":"IQ4_XS",
	},
	"compact":{
		"gate":"Q6_K",
		"attn_proj":"IQ4_XS",
		"ffn_gate_up":"IQ3_S",
		"ffn_down":"IQ4_XS",
		"norms":"F16",
		"ssm_params":"F16",
		"gdn_state":"Q8_0",
		"mtp":"Q8_0",
		"embd":"IQ4_XS",
		"shexp":"Q5_K",
		"unknown":"Q4_K",
	},
	"quality":{
		"gate":"Q6_K",
		"attn_proj":"Q4_K",
		"ffn_gate_up":"Q4_K",
		"ffn_down":"Q4_K",
		"norms":"F16",
		"ssm_params":"F16",
		"gdn_state":"Q8_0",
		"mtp":"Q8_0",
		"embd":"Q5_K",
		"shexp":"Q5_K",
		"unknown":"Q4_K",
	},
	"fidelity":{
		"gate":"Q8_0",
		"attn_proj":"Q5_K",
		"ffn_gate_up":"Q5_K",
		"ffn_down":"Q5_K",
		"norms":"F16",
		"ssm_params":"F16",
		"gdn_state":"Q8_0",
		"mtp":"Q8_0",
		"embd":"Q5_K",
		"shexp":"Q6_K",
		"unknown":"Q5_K",
	}
}

# Monotonic tier progression for the speculative draft head
PROFILE_MTP_TIER={"nano":"Q5_K","mini":"Q6_K","compact":"Q8_0"}
MTP_DEPLOY_TIER="Q8_0"

# Ceilings applied when weights originate from an AutoRound int4 optimization
INT4_LINEAGE_CAP="Q5_K"
INT4_MTP_CAP="Q6_K"
INT4_GDN_CAP="Q8_0"
INT4_GATE_CAP="Q6_K"
INT4_CAP_CLASSES={"attn_proj","ffn_gate_up","ffn_down","shexp"}
# llama-quantize rejects sub-4-bit tiers on tensors absent from the imatrix
NO_IMATRIX_MIN_TIER="IQ4_XS"

TENSOR_CLASS={
	"attn_gate":"gate",
	"ssm_alpha":"gdn_state",
	"ssm_beta":"gdn_state",
	"ssm_beta_alpha":"gdn_state",
	"ssm_ba":"gdn_state",
	"attn_q":"attn_proj",
	"attn_k":"attn_proj",
	"attn_v":"attn_proj",
	"attn_qkv":"attn_proj",
	"attn_output":"attn_proj",
	"attn_out":"attn_proj",
	"ffn_gate":"ffn_gate_up",
	"ffn_up":"ffn_gate_up",
	"ffn_down":"ffn_down",
	"ssm_in":"attn_proj",
	"ssm_out":"attn_proj",
	"ssm_d":"ssm_params",
	"ssm_norm":"norms",
	"ssm_conv1d":"norms",
	"router":"norms",
	"ssm_dt":"ssm_params",
	"ssm_a":"ssm_params",
	"nextn":"mtp",
	"ffn_gate_exps":"ffn_gate_up",
	"ffn_up_exps":"ffn_gate_up",
	"ffn_down_exps":"ffn_down",
	"ffn_gate_inp":"norms",
	"vocoder":"norms",
	"decoder_wave":"norms",
	"codec_decoder":"norms",
	"patch_embd":"norms",
	"patch_embedding":"norms",
	"position_embd":"norms",
	"post_ln":"norms",
	"pre_ln":"norms",
	"ln1":"norms",
	"ln2":"norms",
	"ln_q":"norms",
	"mm_input_norm":"norms",
	"mm_soft_emb_norm":"norms",
	"mm_0":"embd",
	"mm_1":"embd",
	"mm_2":"embd",
	"0":"embd",
	"1":"embd",
	"2":"embd",
	"mm_proj":"embd",
	"v_enc_embd":"norms",
	"q_proj":"attn_proj",
	"k_proj":"attn_proj",
	"v_proj":"attn_proj",
	"o_proj":"attn_proj",
	"in_proj_a":"gdn_state",
	"in_proj_b":"gdn_state",
	"in_proj_qkv":"attn_proj",
	"in_proj_z":"attn_proj",
	"out_proj":"attn_proj",
	"gate_proj":"ffn_gate_up",
	"up_proj":"ffn_gate_up",
	"down_proj":"ffn_down",
	"attn_sinks":"norms",
	"ffn_exp_probs_b":"norms",
	"exp_probs_b":"norms",
	"per_layer_token_embd":"embd",
	"ffn_gate_shexp":"shexp",
	"ffn_up_shexp":"shexp",
	"ffn_down_shexp":"shexp",
	"ffn_gate_inp_shexp":"norms",
}

ARCH_FEATURES={
	"qwen35":{
		"has_qkv":True,"has_ssm":True,"has_mtp":True,"has_moe":False,
		"is_qat":False,"prefix":"blk","n_layers":32,
	},
	"mellum2":{
		"has_qkv":False,"has_ssm":False,"has_mtp":False,"has_moe":True,
		"is_qat":False,"prefix":"blk","n_layers":28,
	},
	"gemma4":{
		"has_qkv":False,"has_ssm":False,"has_mtp":False,"has_moe":False,
		"is_qat":True,"prefix":"blk","n_layers":48,
	},
	"dense":{
		"has_qkv":False,"has_ssm":False,"has_mtp":False,"has_moe":False,
		"is_qat":False,"prefix":"blk","n_layers":32,
	},
}

def strip_weight(name:str)->str:
	return name.lstrip(".").removesuffix(".weight").removesuffix(".bias")

def get_tensor_type(name:str)->str:
	parts=strip_weight(name).split(".")
	if len(parts)>=3 and parts[0] in("v","a") and parts[1] in("blk","BLK"):
		return parts[3] if len(parts)>=4 else "unknown"
	if len(parts)>=2 and parts[0] in("blk","BLK"):
		return parts[2] if len(parts)>=3 else "unknown"
	if "token_embd" in name:
		return "token_embd"
	if name.startswith("output") and "norm" not in name:
		return "output"
	return name

def get_tensor_class(ttype:str)->str:
	if ttype in TENSOR_CLASS:
		return TENSOR_CLASS[ttype]
	if "." in ttype:
		tail=ttype.split(".")[-1]
		if tail in TENSOR_CLASS:
			return TENSOR_CLASS[tail]
		for part in reversed(ttype.split(".")):
			if part in TENSOR_CLASS:
				return TENSOR_CLASS[part]
	if "norm" in ttype or "scale" in ttype or ttype.startswith(("ln","pre_ln","post_ln")):
		return "norms"
	if ttype.startswith("ssm_"):
		return "ssm_params"
	if ttype in("token_embd","output","embed_tokens","lm_head","vision_embedder","audio_embedder"):
		return "embd"
	return "unknown"

def is_mtp_tensor(name:str,n_layers:int=32,mtp_layers:set | None=None)->bool:
	if "nextn" in name or name.startswith("mtp."):
		return True
	if mtp_layers is not None:
		return get_layer_number(name) in mtp_layers
	layer=get_layer_number(name)
	return layer is not None and layer>=n_layers

def get_layer_number(name:str)->int | None:
	parts=strip_weight(name).split(".")
	if len(parts)>=3 and parts[0] in("v","a") and parts[1] in("blk","BLK"):
		try:return int(parts[2])
		except ValueError:return None
	if len(parts)>=2 and parts[0] in("blk","BLK"):
		try:return int(parts[1])
		except ValueError:return None
	return None

# ═══════════════════════════════════════════════════════════════════════════
# 2. UTILITY FUNCTIONS
# ═══════════════════════════════════════════════════════════════════════════

def type_name(type_id:int)->str:
	return GGUF_TYPE_NAMES.get(type_id,f"UNKNOWN({type_id})")

def type_id(name:str)->int:
	return GGUF_TYPE_NAMES_INV.get(name,-1)

def parse_size_line(line:str)->float | None:
	m=re.search(r"quant size\s*=\s*([0-9.]+)\s*MiB",line)
	if m:return float(m.group(1))
	m=re.search(r"model size\s*=\s*([0-9.]+)\s*MiB",line)
	if m:return float(m.group(1))
	return None

def parse_quant_size(output:str)->float | None:
	m=re.search(r"quant size\s*=\s*([0-9.]+)\s*MiB",output)
	if m:return float(m.group(1))
	m=re.search(r"model size\s*=\s*([0-9.]+)\s*MiB",output)
	if m:return float(m.group(1))
	return None

def parse_fallback_warnings(output:str)->int:
	return len(re.findall(r"converting to\s+(q[0-9]_[0-9KMS]|iq[0-9])",output))

def format_size(mib:float)->str:
	if mib>=1024:return f"{mib/1024:.2f} GB"
	return f"{mib:.0f} MiB"

# ═══════════════════════════════════════════════════════════════════════════
# 3. MODEL READER
# ═══════════════════════════════════════════════════════════════════════════

def detect_architecture(tensors:dict)->str:
	names=list(tensors.keys())
	has_ssm=any("ssm_" in n for n in names)
	has_qkv=any("attn_qkv" in n for n in names)
	has_moe=any("exps" in n for n in names)
	has_gemma_specific=any(t in n for t in("layer_output_scale","post_attention_norm","post_ffw_norm") for n in names)
	if has_ssm and has_qkv:return "qwen35"
	if has_moe:return "mellum2"
	if has_gemma_specific:return "gemma4"
	return "dense"

def _detect_prefix(tensors:dict)->str:
	for name in tensors:
		if name.startswith("BLK."):return "BLK"
	return "blk"

def _estimate_layers(tensors:dict)->int:
	max_layer=-1
	for name in tensors:
		parts=name.split(".")
		if len(parts)>=3 and parts[0] in("v","a") and parts[1] in("blk","BLK"):
			parts=parts[1:]
		if len(parts)>=2 and parts[0] in("blk","BLK"):
			try:
				layer=int(parts[1])
				if layer>max_layer:max_layer=layer
			except ValueError:pass
	return max_layer+1 if max_layer>=0 else 0

def read_model(path:str)->dict:
	r=gguf.GGUFReader(path)
	tensors={}
	meta={}
	for k,v in r.fields.items():
		try:
			data=v.data
			if isinstance(data,np.ndarray):data=data.tolist()
			elif isinstance(data,(np.generic,)):data=data.item()
			meta[k]=data
		except Exception:meta[k]=str(v)
	for t in r.tensors:
		shape=list(t.shape)
		name=t.name
		n_elements=int(np.prod(shape))
		tensors[name]={"shape":shape,"n_elements":n_elements,"size_mib":n_elements*2/1024/1024}
	arch=detect_architecture(tensors)
	arch_features=ARCH_FEATURES.get(arch,{}).copy()
	prefix=_detect_prefix(tensors)
	n_layers=_estimate_layers(tensors)
	NEXTN_HINT=("nextn","eh_proj","mtp.fc")
	has_nextn=any(any(h in n for h in NEXTN_HINT) for n in tensors)
	BODY=("attn_qkv","attn_q","attn_k","attn_v","attn_output","ssm_","ffn_","eh_proj","exps")
	last=n_layers-1
	last_names=[n for n in tensors if n.startswith(f"blk.{last}.") or n.startswith(f"BLK.{last}.")]
	last_has_body=any(any(h in n for h in BODY) for n in last_names)
	last_has_nextn=any(any(h in n for h in NEXTN_HINT) for n in last_names)
	has_blk_mtp=bool(last_names) and last_has_body and last_has_nextn
	mtp_layers=[last] if has_blk_mtp else []
	has_mtp=has_nextn and(has_blk_mtp or any("nextn" in n for n in tensors))
	has_moe=any("exps" in n for n in tensors)
	if last_names and not last_has_body:
		print(f"  [WARN] blk.{last} contains only {len(last_names)} norm tensor(s) β€” truncated MTP head ignored")
		n_layers-=1
	elif has_blk_mtp:
		n_layers-=1
	if arch=="mellum2" and arch_features.get("moe_intermediate_size",0)==0:
		arch_features["moe_intermediate_size"]=896
	arch_features["prefix"]=prefix
	if n_layers>0:arch_features["n_layers"]=n_layers
	if has_moe:arch_features["has_moe"]=True
	arch_features["has_mtp"]=has_mtp
	arch_features["mtp_layers"]=mtp_layers
	return{
		"path":path,
		"architecture":arch,
		"features":arch_features,
		"tensors":tensors,
		"n_tensors":len(tensors),
		"meta":meta,
	}

# ═══════════════════════════════════════════════════════════════════════════
# 4. IMATRIX READER
# ═══════════════════════════════════════════════════════════════════════════

def read_imatrix(path:str)->dict:
	r=gguf.GGUFReader(path)
	raw={}
	meta={}
	for k,v in r.fields.items():
		try:meta[k]=v.data
		except Exception:meta[k]=str(v)
	by_name={t.name:t for t in r.tensors}
	for t in r.tensors:
		name=t.name
		if name.endswith(".in_sum2"):
			base=name[:-8]
			raw.setdefault(base,{})["in_sum2"]=np.asarray(t.data,dtype=np.float64)
			src=by_name.get(base+".in_sum")
			if src is not None:raw[base]["in_sum"]=np.asarray(src.data,dtype=np.float64)
		elif name.endswith(".counts"):
			base=name[:-7]
			raw.setdefault(base,{})["counts"]=float(np.mean(np.asarray(t.data,dtype=np.float64)))
	result={}
	for base,data in raw.items():
		if "in_sum2" not in data:continue
		arr=data["in_sum2"]
		n=arr.size
		imp_mean=float(np.mean(arr))
		outlier_ratio=None
		if "in_sum" in data and imp_mean>0:
			in_sum_arr=data["in_sum"]
			total_sum=float(np.sum(in_sum_arr))
			if total_sum>0 and n>0:
				total_sum2=float(np.sum(arr**2))
				mean_sq=total_sum2/n
				mean_x=total_sum/n
				if mean_x>0:
					outlier_ratio=math.sqrt(mean_sq /(mean_x**2)-1)
		result[base]={
			"importance_mean":imp_mean,
			"importance_sum":float(np.sum(arr)),
			"importance_max":float(np.max(arr)),
			"importance_min":float(np.min(arr)),
			"n_elements":n,
			"in_sum2_raw":arr,
			"outlier_ratio":outlier_ratio,
		}
	return{
		"path":path,
		"tensors":result,
		"n_tensors":len(result),
		"meta":meta,
	}

def combine_imatrix(imatrix_list:List[dict],method:str="max")->dict:
	if not imatrix_list:return{"path":"","tensors":{},"n_tensors":0,"meta":{}}
	if len(imatrix_list)==1:return imatrix_list[0]
	all_names=set()
	for im in imatrix_list:all_names.update(im["tensors"].keys())
	combined_tensors={}
	for name in all_names:
		vals=[]
		in_sum2_raw=None
		n_elements=0
		for im in imatrix_list:
			if name in im["tensors"]:
				t=im["tensors"][name]
				vals.append(t["importance_mean"])
				if in_sum2_raw is None and "in_sum2_raw" in t:in_sum2_raw=t["in_sum2_raw"]
				n_elements=max(n_elements,t["n_elements"])
		if not vals:continue
		if method=="max":imp_mean=max(vals)
		elif method in("mean","weighted_mean"):imp_mean=sum(vals)/len(vals)
		else:imp_mean=max(vals)
		combined_tensors[name]={
			"importance_mean":imp_mean,
			"importance_sum":imp_mean*n_elements,
			"importance_max":max(v.get("importance_max",0) for im in imatrix_list if name in im["tensors"] for v in[im["tensors"][name]]),
			"importance_min":min(v.get("importance_min",float('inf')) for im in imatrix_list if name in im["tensors"] for v in[im["tensors"][name]]),
			"n_elements":n_elements,
			"in_sum2_raw":in_sum2_raw,
			"outlier_ratio":max((t.get("outlier_ratio") for im in imatrix_list if name in im["tensors"] for t in[im["tensors"][name]] if t.get("outlier_ratio") is not None),default=None),
		}
	combined_meta={}
	for im in imatrix_list:
		for k,v in im["meta"].items():
			if k not in combined_meta:combined_meta[k]=v
	return{
		"path":"+".join(im["path"] for im in imatrix_list),
		"tensors":combined_tensors,
		"n_tensors":len(combined_tensors),
		"meta":combined_meta,
	}

def detect_tied_groups(imatrix:dict,atol:float=1e-5)->list:
	coarse={}
	no_raw=[]
	for name in sorted(imatrix["tensors"].keys()):
		arr=imatrix["tensors"][name].get("in_sum2_raw")
		if arr is None:
			no_raw.append(name)
			continue
		key=(arr.shape,hash(np.round(arr/atol).astype(np.int64).tobytes()))
		coarse.setdefault(key,[]).append(name)
	buckets={}
	for key,names in coarse.items():
		if len(names)==1:
			buckets[key]=names
			continue
		n=len(names)
		groups=list(range(n))
		def find(x):
			while groups[x]!=x:
				groups[x]=groups[groups[x]]
				x=groups[x]
			return x
		def union(a,b):
			ra,rb=find(a),find(b)
			if ra!=rb:groups[ra]=rb
		arrs=[imatrix["tensors"][n]["in_sum2_raw"] for n in names]
		for i in range(n):
			for j in range(i+1,n):
				a,b=arrs[i],arrs[j]
				if a.shape!=b.shape:continue
				if np.allclose(a,b,rtol=1e-5,atol=1e-6):union(i,j)
		comps=defaultdict(list)
		for i,name in enumerate(names):comps[find(i)].append(name)
		for comp in comps.values():buckets.setdefault(key +(id(comp),),[]).extend(comp)
	tied_groups=list(buckets.values())
	tied_groups.extend([[n] for n in no_raw])
	return tied_groups

def _imatrix_type(name:str)->str:
	parts=name.split(".")
	if len(parts)>=3 and parts[0]=="blk":return parts[2]
	return name

def build_importance_table(imatrix:dict,model:dict)->dict:
	table={}
	for tname,info in imatrix["tensors"].items():
		ttype=_imatrix_type(tname)
		table[tname]={
			"importance_mean":info["importance_mean"],
			"importance_sum":info["importance_sum"],
			"importance_max":info["importance_max"],
			"importance_min":info["importance_min"],
			"n_elements":info["n_elements"],
			"type":ttype,
		}
	for tname,info in list(table.items()):
		if tname.endswith("."):
			alt=tname.rstrip(".")
			table[alt]=info
	return table

# ═══════════════════════════════════════════════════════════════════════════
# 5. CLASSIFIER & OPTIMIZER
# ═══════════════════════════════════════════════════════════════════════════

BITS_IN_MIB=8*1024*1024.0

TIER_SIZE_MULTIPLIER={
	tier:(bpw/BITS_IN_MIB)*GGUF_OVERHEAD_FACTOR
	for tier,bpw in TIER_BPW.items()
}

def apply_overhead_factor(factor:float):
	TIER_SIZE_MULTIPLIER.update({t:(b/BITS_IN_MIB)*factor for t,b in TIER_BPW.items()})

K_QUANTS={"Q3_K","Q4_K","Q5_K","Q6_K"}
MOE_PAD_TYPES={"ffn_gate_exps","ffn_up_exps","ffn_down_exps","ffn_down"}
MSE_BPW=dict(TIER_BPW)

def _percentile_rank(values:Dict[str,float])->Dict[str,float]:
	if not values:return{}
	sorted_vals=sorted(values.values())
	n=len(sorted_vals)
	return{name:bisect_left(sorted_vals,raw)/n for name,raw in values.items()}

def _normalize_by_class(
	tensor_importance:Dict[str,float],
	importance_table:Dict[str,Any],
)->Dict[str,float]:
	class_groups:Dict[str,Dict[str,float]]={}
	for name,raw_imp in tensor_importance.items():
		rep_info=importance_table.get(name,{})
		ttype=rep_info.get("type",get_tensor_type(name))
		cls=get_tensor_class(ttype)
		class_groups.setdefault(cls,{})[name]=raw_imp
	normalized={}
	for cls,group_vals in class_groups.items():
		pct=_percentile_rank(group_vals)
		normalized.update(pct)
	for name in tensor_importance:
		if name not in normalized:normalized[name]=0.5
	return normalized

@dataclass(order=True,slots=True)
class TierMove:
	neg_utility:float
	group_id:int=field(compare=False)
	target_tier:str=field(compare=False)
	size_delta:float=field(compare=False)
	is_downgrade:bool=field(compare=False,default=False)
	from_tier:str=field(compare=False,default="")

def _tier_index(tier:str)->int:
	if tier not in TIER_ORDER:raise ValueError(f"Unknown tier: {tier}")
	return TIER_ORDER.index(tier)

def _tier_at(idx:int)->str:
	if not(0<=idx<len(TIER_ORDER)):raise IndexError(f"Tier index {idx} out of range")
	return TIER_ORDER[idx]

def _size_mib(tier:str,n_elements:int)->float:
	if n_elements<=0:return 0.0
	return n_elements*TIER_SIZE_MULTIPLIER.get(tier,0.0)

FREE_EMBD_TIER="Q8_0"

TIER_BLOCK_ALIGN={
	"IQ1_S":256,"IQ2_XXS":256,"IQ2_XS":256,"IQ2_S":256,
	"IQ3_XXS":256,"Q3_K":256,"IQ3_S":256,
	"IQ4_XS":256,"Q4_K":256,"Q5_K":256,"Q6_K":256,
	"IQ4_NL":32,"Q8_0":32,
	"F16":1,
}

def _row_len(shape)->int:
	return int(shape[0]) if shape else 1

def tier_fits(shape,tier:str)->bool:
	return _row_len(shape) % TIER_BLOCK_ALIGN.get(tier,1)==0

def highest_fitting_tier(shape,tier:str)->str:
	idx=_tier_index(tier)
	while idx<len(TIER_ORDER):
		if tier_fits(shape,TIER_ORDER[idx]):return TIER_ORDER[idx]
		idx+=1
	return "F16"

def _free_embd_assignments(model:dict,all_names:set,enabled:bool,embd_cap:str | None=None)->dict:
	# Host CPU token embeddings live outside VRAM allocations unless tied to lm_head
	if not enabled:return {}
	types={get_tensor_type(n):n for n in all_names}
	tok,out=types.get("token_embd"),types.get("output")
	if not(tok and out):return {}
	tier=FREE_EMBD_TIER
	if embd_cap and _tier_index(embd_cap)<_tier_index(tier):tier=embd_cap
	return {tok:tier}

def embd_int4_cap(model_path:str)->str | None:
	globals_=provenance(model_path).get("int4_globals") or []
	return INT4_LINEAGE_CAP if any("embed" in g or "token_embd" in g for g in globals_) else None

def _pinned_f32_names(model:dict)->set:
	# Keep 1-D tensors and rows unaligned with ggml block boundaries in F32
	out=set()
	for n,info in model.get("tensors",{}).items():
		sh=[int(d) for d in info.get("shape",[])]
		if len([d for d in sh if d>1])<2 or _row_len(sh)%32!=0:
			out.add(n)
	return out

def _shape_map(model:dict)->dict:
	return {n:[int(d) for d in i.get("shape",[])] for n,i in model.get("tensors",{}).items()}

def _clamp_to_alignment(assignments:dict,shape_map:dict)->int:
	fixed=0
	for name,tier in list(assignments.items()):
		sh=shape_map.get(name)
		if not sh or tier_fits(sh,tier):continue
		assignments[name]=highest_fitting_tier(sh,tier)
		fixed+=1
	return fixed

# Relative efficiency bonus for learned codebook representations
FAMILY_EFF_BITS={
	"IQ4_XS":0.45,"IQ4_NL":0.30,
	"IQ3_S":0.40,"IQ3_XXS":0.35,
	"IQ2_S":0.30,"IQ2_XS":0.25,"IQ2_XXS":0.20,
	"IQ1_S":0.15,
}

def _eff_bpw(tier:str)->float:
	return MSE_BPW[tier]+FAMILY_EFF_BITS.get(tier,0.0)

@lru_cache(maxsize=256)
def _mse_delta(cur_tier:str,next_tier:str)->float:
	return(2**(-2*_eff_bpw(cur_tier))) -(2**(-2*_eff_bpw(next_tier)))

def _group_size(group_registry:Dict[int,Tuple[List[str],int,int]],group_id:int,tier:str)->float:
	g_names,g_elements,g_elements_padded=group_registry[group_id]
	elements=g_elements_padded if tier in K_QUANTS else g_elements
	return _size_mib(tier,elements)

def _push_upgrade(group_id:int,group_registry:Dict[int,Tuple[List[str],int,int]],assignments:Dict[str,str],tensor_importance:Dict[str,float],upgrade_queue:List[TierMove],importance_table:Dict[str,Any],cap_table:dict | None=None):
	g_names,_,_=group_registry[group_id]
	rep_name=g_names[0]
	cur_tier=assignments[rep_name]
	cur_idx=_tier_index(cur_tier)
	rep_info=importance_table.get(rep_name,{})
	ttype=rep_info["type"] if "type" in rep_info else get_tensor_type(rep_name)
	cls=get_tensor_class(ttype)
	max_tier=CLASS_MAX_TIER.get(cls,"Q8_0")
	if cap_table and cls in cap_table and _tier_index(cap_table[cls])<_tier_index(max_tier):
		max_tier=cap_table[cls]
	if cur_idx>=_tier_index(max_tier) or cur_idx>=len(TIER_ORDER)-1:
		return
	next_idx=cur_idx+1
	max_idx=min(_tier_index(max_tier),len(TIER_ORDER)-1)
	next_tier,cost_delta,quality_delta=None,0.0,0.0
	while next_idx<=max_idx:
		next_tier=_tier_at(next_idx)
		cost_delta=_group_size(group_registry,group_id,next_tier)-_group_size(group_registry,group_id,cur_tier)
		quality_delta=_mse_delta(cur_tier,next_tier)
		if quality_delta>0:break
		next_idx+=1
	if next_tier is None or next_idx>max_idx or quality_delta<=0 or cost_delta<0:
		return
	if cost_delta==0:
		utility_per_mb=float('inf')
	else:
		total_g_imp=sum(tensor_importance.get(n,0) for n in g_names)
		utility_per_mb=(total_g_imp*quality_delta)/cost_delta
	heapq.heappush(upgrade_queue,TierMove(-utility_per_mb,group_id,next_tier,cost_delta,from_tier=cur_tier))

def _push_downgrade(group_id:int,group_registry:Dict[int,Tuple[List[str],int,int]],assignments:Dict[str,str],tensor_importance:Dict[str,float],downgrade_queue:List[TierMove],importance_table:Dict[str,Any],floor_table:Dict[str,str]):
	g_names,_,_=group_registry[group_id]
	rep_name=g_names[0]
	cur_tier=assignments[rep_name]
	cur_idx=_tier_index(cur_tier)
	rep_info=importance_table.get(rep_name,{})
	ttype=rep_info["type"] if "type" in rep_info else get_tensor_type(rep_name)
	cls=get_tensor_class(ttype)
	floor=floor_table.get(cls,"Q4_K")
	if "importance_mean" not in rep_info and _tier_index(floor)<_tier_index(NO_IMATRIX_MIN_TIER):
		floor=NO_IMATRIX_MIN_TIER
	if cur_idx<=_tier_index(floor) or cur_idx<=0:
		return
	next_tier=_tier_at(cur_idx-1)
	saved=_group_size(group_registry,group_id,cur_tier)-_group_size(group_registry,group_id,next_tier)
	quality_loss=_mse_delta(next_tier,cur_tier)
	if saved<=0 or quality_loss<=0:
		return
	total_g_imp=sum(tensor_importance.get(n,0) for n in g_names)
	loss_per_mb=(total_g_imp*quality_loss)/saved
	heapq.heappush(downgrade_queue,TierMove(loss_per_mb,group_id,next_tier,-saved,True,from_tier=cur_tier))

def converge_to_target(importance_table:dict,tied_groups:list,model:dict,target_size_mib:float,allow_q3:bool=False,tolerance_pct:float=2.0,max_iterations:int=5,profile:str="quality",int4_lineage:bool=False,free_embd:bool=True,embd_cap:str | None=None)->Tuple[dict,dict]:
	effective_target=target_size_mib
	ne_map={k:v["n_elements"] for k,v in model.get("tensors",{}).items()}
	if not ne_map:
		ne_map={k:v["n_elements"] for k,v in importance_table.items()}
	f32_names=_pinned_f32_names(model)
	best=None
	best_diff=float("inf")
	seen_targets=set()
	for iteration in range(max(max_iterations,1)):
		assignments,padded_ne_map=optimal_classify(importance_table,tied_groups,model,target_size_mib=effective_target,allow_q3=allow_q3,profile=profile,int4_lineage=int4_lineage,free_embd=free_embd,embd_cap=embd_cap)
		current_size=compute_stats(assignments,ne_map,padded_ne_map,f32_names)["total_mib"]
		diff_pct=abs(current_size-target_size_mib)/target_size_mib*100
		if diff_pct<best_diff:
			best_diff=diff_pct
			best=(dict(assignments),dict(padded_ne_map),current_size)
		if diff_pct<=tolerance_pct:
			print(f"  [converge] iter {iteration+1}: {current_size:.0f} MiB (diff {diff_pct:.2f}%) β€” within tolerance {tolerance_pct}%")
			return assignments,padded_ne_map
		print(f"  [converge] iter {iteration+1}: {current_size:.0f} MiB (diff {diff_pct:.2f}%) β€” adjusting effective budget…")
		if current_size<=0:break
		correction=target_size_mib/current_size
		effective_target=min(max(effective_target*correction,target_size_mib*0.95),target_size_mib*1.05)
		key=round(effective_target,1)
		if key in seen_targets:
			print("  [converge] Effective budget stationary β€” keeping best result")
			break
		seen_targets.add(key)
	print(f"  [converge] Selected best result: {best[2]:.0f} MiB (diff {best_diff:.2f}%)")
	return best[0],best[1]

def compute_mtp_assignments_check(non_mtp_names,mtp_names,importance_table,allow_q3,is_qat,profile,int4_lineage):
	has_im=any("importance_mean" in importance_table.get(n,{}) for n in mtp_names)
	mtp_tier=PROFILE_MTP_TIER.get(profile,MTP_DEPLOY_TIER) if has_im else CLASS_HARD_FLOORS["mtp"]
	if int4_lineage and _tier_index(mtp_tier)>_tier_index(INT4_MTP_CAP):
		mtp_tier=INT4_MTP_CAP
	assignments={n:mtp_tier for n in mtp_names}
	floors=TIER_FLOORS.get(profile,TIER_FLOORS["quality"])
	for name in non_mtp_names:
		rep_info=importance_table.get(name,{})
		has_im="importance_mean" in rep_info
		ttype=rep_info.get("type",get_tensor_type(name))
		cls=get_tensor_class(ttype)
		tier=floors.get(cls,floors.get("unknown",DEFAULT_FLOOR))
		hard_floor=CLASS_HARD_FLOORS.get(cls)
		if hard_floor and _tier_index(tier)<_tier_index(hard_floor) and not(allow_q3 and cls in CAN_Q3):
			tier=hard_floor
		if is_qat and cls not in("norms","ssm_params","gdn_state"):
			cap="Q4_K" if cls=="attn_proj" else "IQ4_XS"
			if _tier_index(cap)<_tier_index(tier):tier=cap
		if int4_lineage and cls in INT4_CAP_CLASSES and _tier_index(tier)>_tier_index(INT4_LINEAGE_CAP):
			tier=INT4_LINEAGE_CAP
		if allow_q3 and cls in CAN_Q3 and has_im:
			tier=ALLOW_LOWER_FLOOR
		if not has_im and _tier_index(tier)<_tier_index(NO_IMATRIX_MIN_TIER):
			tier=NO_IMATRIX_MIN_TIER
		assignments[name]=tier
	return assignments

def compute_initial_assignments(non_mtp_names:Set[str],mtp_names:Set[str],importance_table:Dict,allow_q3:bool,is_qat:bool=False,profile:str="quality",int4_lineage:bool=False)->Dict[str,str]:
	return compute_mtp_assignments_check(non_mtp_names,mtp_names,importance_table,allow_q3,is_qat,profile,int4_lineage)

def _tie_family(name:str,importance_table:Dict)->str:
	ttype=importance_table.get(name,{}).get("type",get_tensor_type(name))
	if ttype in("ffn_gate","ffn_up"):return "ffn_gate_up"
	return ttype

def build_groups(tied_groups:List[List[str]],non_mtp_names:Set[str],ne_map:Dict[str,int],padded_ne_map:Dict[str,int],importance_table:Dict)->Dict[int,Tuple[List[str],int,int]]:
	group_registry={}
	assigned_tensors=set()
	next_group_id=0
	for tied_group in tied_groups:
		families={}
		for name in tied_group:
			if name in non_mtp_names:
				families.setdefault(_tie_family(name,importance_table),[]).append(name)
		for names in families.values():
			group_registry[next_group_id]=(names,sum(ne_map.get(name,0) for name in names),sum(padded_ne_map.get(name,0) for name in names))
			assigned_tensors.update(names)
			next_group_id+=1
	for name in sorted(non_mtp_names-assigned_tensors):
		group_registry[next_group_id]=([name],ne_map.get(name,0),padded_ne_map.get(name,0))
		next_group_id+=1
	return group_registry

def optimal_classify(importance_table:dict,tied_groups:list,model:dict,target_size_mib:float,allow_q3:bool=False,profile:str="quality",int4_lineage:bool=False,free_embd:bool=True,embd_cap:str | None=None)->Tuple[dict,dict]:
	if target_size_mib<=0:raise ValueError("target_size_mib must be positive")
	cap_table=None
	if int4_lineage:
		cap_table={cls:INT4_LINEAGE_CAP for cls in INT4_CAP_CLASSES}
		cap_table["gdn_state"]=INT4_GDN_CAP
		cap_table["gate"]=INT4_GATE_CAP
	features=model.get("features",{})
	has_mtp=features.get("has_mtp",False)
	n_layers=features.get("n_layers",31)
	is_qat=features.get("is_qat",False)
	model_tensors=model.get("tensors",{})
	ne_map={k:v["n_elements"] for k,v in model_tensors.items()}
	if not model_tensors:
		for tname,info in importance_table.items():
			ne_map[tname]=info["n_elements"]
	moe_d_ff=features.get("moe_intermediate_size",0)
	padded_ne_map=dict(ne_map)
	if moe_d_ff>0 and moe_d_ff % 256!=0:
		aligned_d_ff=((moe_d_ff+255) // 256)*256
		for name,n_el in ne_map.items():
			ttype=importance_table.get(name,{}).get("type",get_tensor_type(name))
			if ttype in MOE_PAD_TYPES:
				padded_ne_map[name]=(n_el // moe_d_ff)*aligned_d_ff
	all_names=set(ne_map.keys())
	mtp_layer_set=set(features.get("mtp_layers",[]))
	f32_names=_pinned_f32_names(model)
	mtp_names=({n for n in all_names if is_mtp_tensor(n,n_layers,mtp_layer_set)}-f32_names) if has_mtp else set()
	free_map=_free_embd_assignments(model,all_names,free_embd,embd_cap)
	non_mtp_names=all_names-mtp_names-f32_names-set(free_map)
	tensor_importance={}
	for name in non_mtp_names:
		info=importance_table.get(name,{})
		tensor_importance[name]=info.get("importance_mean",0.0)
	tensor_importance=_normalize_by_class(tensor_importance,importance_table)
	for name in tensor_importance:
		tensor_importance[name]*=max(ne_map.get(name,1),1)
	assignments=compute_mtp_assignments_check(non_mtp_names,mtp_names,importance_table,allow_q3,is_qat,profile,int4_lineage)
	assignments.update(free_map)
	group_registry=build_groups(tied_groups,non_mtp_names,ne_map,padded_ne_map,importance_table)
	profile_floors=TIER_FLOORS.get(profile,{})
	floor_table={}
	for cls in set(list(CLASS_HARD_FLOORS)+list(profile_floors)):
		soft=profile_floors.get(cls,CLASS_HARD_FLOORS.get(cls,"Q4_K"))
		hard=CLASS_HARD_FLOORS.get(cls,"IQ1_S")
		floor_table[cls]=soft if _tier_index(soft)>=_tier_index(hard) else hard
	if profile in("mini","compact","quality"):
		if _tier_index(floor_table.get("embd","Q4_K"))>_tier_index("IQ4_XS"):
			floor_table["embd"]="IQ4_XS"
	mtp_cost=sum(_size_mib(assignments[n],ne_map.get(n,0)) for n in mtp_names)
	pinned_cost=sum(ne_map.get(n,0)*32.0/BITS_IN_MIB for n in f32_names)
	effective_target=target_size_mib-mtp_cost-pinned_cost
	current_size=sum(
		_size_mib(assignments[n],padded_ne_map.get(n,ne_map.get(n,0)) if assignments[n] in K_QUANTS else ne_map.get(n,0))
		for n in non_mtp_names
	)
	if current_size>effective_target:
		downgrade_queue=[]
		for g_id in group_registry:
			_push_downgrade(g_id,group_registry,assignments,tensor_importance,downgrade_queue,importance_table,floor_table)
		while downgrade_queue and current_size>effective_target:
			item=heapq.heappop(downgrade_queue)
			if assignments[group_registry[item.group_id][0][0]]!=item.from_tier:
				continue
			for n in group_registry[item.group_id][0]:
				assignments[n]=item.target_tier
			current_size+=item.size_delta
			_push_downgrade(item.group_id,group_registry,assignments,tensor_importance,downgrade_queue,importance_table,floor_table)
		if current_size>effective_target:
			warnings.warn(
				f"Cannot reach target: floors hold size at {current_size:.1f} MiB vs target {effective_target:.1f} MiB. "
				"Use --allow-q3-or-lower or increase --size.",RuntimeWarning)
	has_signal=any("importance_mean" in importance_table.get(n,{}) for n in non_mtp_names)
	upgrade_queue=[]
	if has_signal:
		for g_id in group_registry:
			_push_upgrade(g_id,group_registry,assignments,tensor_importance,upgrade_queue,importance_table,cap_table)
	while upgrade_queue:
		item=heapq.heappop(upgrade_queue)
		if assignments[group_registry[item.group_id][0][0]]!=item.from_tier:
			continue
		if item.size_delta>0 and current_size+item.size_delta>effective_target:
			# Skip the oversized move and keep draining: current_size only grows, so this group never fits later
			continue
		for n in group_registry[item.group_id][0]:
			assignments[n]=item.target_tier
		current_size+=item.size_delta
		_push_upgrade(item.group_id,group_registry,assignments,tensor_importance,upgrade_queue,importance_table,cap_table)
	fixed=_clamp_to_alignment(assignments,_shape_map(model))
	if fixed:print(f"  β„Ή  {fixed} tensor(s) promoted to closest aligned tier (ggml block)")
	return assignments,padded_ne_map

def compute_stats(assignments:dict,ne_map:dict=None,padded_ne_map:dict=None,f32_names:set=None)->dict:
	stats={"by_tier_count":{},"by_tier_mib":{},"total_mib":0.0,"tensor_count":0}
	for name,tier in assignments.items():
		if not isinstance(tier,str):continue
		stats["tensor_count"]+=1
		stats["by_tier_count"][tier]=stats["by_tier_count"].get(tier,0)+1
		if ne_map:
			if padded_ne_map and tier in K_QUANTS:
				elements=padded_ne_map.get(name,ne_map.get(name,0))
			else:
				elements=ne_map.get(name,0)
			size=_size_mib(tier,elements)
			stats["by_tier_mib"][tier]=stats["by_tier_mib"].get(tier,0.0)+size
			stats["total_mib"]+=size
	if ne_map and f32_names:
		for name in f32_names:
			size=ne_map.get(name,0)*32.0/BITS_IN_MIB
			stats["tensor_count"]+=1
			stats["by_tier_count"]["F32"]=stats["by_tier_count"].get("F32",0)+1
			stats["by_tier_mib"]["F32"]=stats["by_tier_mib"].get("F32",0.0)+size
			stats["total_mib"]+=size
	return stats

# ═══════════════════════════════════════════════════════════════════════════
# 6. CONFIG GENERATOR
# ═══════════════════════════════════════════════════════════════════════════

def get_regex_priority(regex:str)->int:
	score=0
	if "nextn" in regex:score+=200
	if re.search(r"(blk|BLK)\\.3[0-2]\\.",regex):score+=100
	if re.search(r"(blk|BLK)\\.0\\.",regex):score+=90
	if re.search(r"(blk|BLK)\\.31\\.",regex):score+=80
	if r"(blk|BLK)\.(" in regex:score+=50
	elif r"(blk|BLK)\.\d" in regex:score+=30
	if regex.startswith(".*"):score-=50
	if regex.endswith(r"\.weight"):score+=10
	return score

def _is_contiguous(lst,low,high):
	if not lst:return False
	return len(lst)==(high-low+1)

def _group_ranges(lst):
	if not lst:return
	start=lst[0]
	end=lst[0]
	for i in range(1,len(lst)):
		if lst[i]==end+1:
			end=lst[i]
		else:
			yield(start,end)
			start=end=lst[i]
	yield(start,end)

def _range_to_regex(start:int,end:int)->str:
	if start==end:return str(start)
	if end<=9:return f"[{start}-{end}]"
	alt="|".join(str(i) for i in range(start,end+1))
	return f"(?:{alt})"

def generate_flags(assignments:dict,model:dict,base_type:str,target_size_mib:float=None)->dict:
	is_qat=model.get("features",{}).get("is_qat",False)
	output_type="Q5_K"
	token_embd_type="Q4_K" if is_qat else "Q5_K"
	for tname,tier in assignments.items():
		ttype=get_tensor_type(tname)
		if ttype=="output":output_type=tier
		elif ttype=="token_embd":token_embd_type=tier
	max_layer=model.get("features",{}).get("n_layers",31)
	rules=[]
	type_tier_layers={}
	max_layer_seen=-1
	for tname,tier in assignments.items():
		parts=tname.split(".")
		tower=""
		if len(parts)>=4 and parts[0] in("v","a") and parts[1] in("blk","BLK"):
			tower=parts[0]+"."
			parts=parts[1:]
		if len(parts)>=3 and parts[0] in("blk","BLK"):
			try:layer=int(parts[1])
			except ValueError:continue
			ttype=".".join(parts[2:])
			key=(tower,ttype,tier)
			if key not in type_tier_layers:type_tier_layers[key]=[]
			type_tier_layers[key].append(layer)
			max_layer_seen=max(max_layer_seen,layer)
	max_layer=max_layer_seen if max_layer_seen>=0 else max_layer
	for(tower,ttype,tier),layers in sorted(type_tier_layers.items(),key=lambda x:-QUANT_RANK.get(x[0][2],0)):
		layers=sorted(set(layers))
		if len(layers)>=8 and _is_contiguous(layers,0,max_layer):
			pattern=f"{tower}(blk|BLK)\\.\\d+\\.{re.escape(ttype)}={tier}"
		else:
			parts=[]
			for start,end in _group_ranges(layers):
				if start==end:parts.append(str(start))
				else:parts.append(_range_to_regex(start,end))
			desc="|".join(parts)
			pattern=f"{tower}(blk|BLK)\\.({desc})\\.{re.escape(ttype)}={tier}"
		prio=get_regex_priority(pattern) +(10 if tier=="Q8_0" else 5 if tier=="Q6_K" else 0) +(5 if len(layers)==1 else 0) +(3 if "ffn_down" in ttype else 0)
		rules.append((pattern,prio))
	prefix=model.get("features",{}).get("prefix","blk")
	for tname,tier in sorted(assignments.items(),key=lambda kv:-QUANT_RANK.get(kv[1],0)):
		parts=tname.split(".")
		if len(parts)>=2 and parts[0].lower()==prefix.lower():continue
		if len(parts)>=4 and parts[0] in("v","a") and parts[1] in("blk","BLK"):continue
		ttype=get_tensor_type(tname)
		if ttype==tname:ttype=tname.removesuffix(".weight").removesuffix(".bias")
		if ttype in("token_embd","output"):continue
		ttype=re.sub(r"\.(?:weight|bias)\.\d+$","",ttype)
		body=f".*{re.escape(ttype)}\\.weight"
		pattern=f"{body}={tier}"
		prio=get_regex_priority(pattern) +(5 if tier=="Q8_0" else 0)
		if not any(p.rsplit("=",1)[0]==body for p,_ in rules):rules.append((pattern,prio))
	rules.sort(key=lambda x:-x[1])
	has_output=any(get_tensor_type(t)=="output" for t in assignments)
	has_embd=any(get_tensor_type(t)=="token_embd" for t in assignments)
	flags={
		"imatrix":None,
		"output_tensor_type":output_type if has_output else None,
		"token_embedding_type":token_embd_type if has_embd else None,
		"tensor_type_rules":[r[0] for r in rules],
		"base_type":base_type,
		"target_size_mib":target_size_mib,
	}
	return flags

def format_flags(flags:dict)->str:
	lines=[]
	if flags.get("output_tensor_type"):lines.append("  --output-tensor-type "+flags["output_tensor_type"])
	if flags.get("token_embedding_type"):lines.append("  --token-embedding-type "+flags["token_embedding_type"])
	for pattern in flags["tensor_type_rules"]:lines.append(f'  --tensor-type "{pattern}"')
	return "\n".join(lines)

# ═══════════════════════════════════════════════════════════════════════════
# 7. QUANTIZER EXECUTOR
# ═══════════════════════════════════════════════════════════════════════════

def _find_binary(name:str)->str:
	exe=name +(".exe" if sys.platform=="win32" else "")
	env_var=f"LLAMA_{name.upper().replace('-','_')}_PATH"
	env_path=os.environ.get(env_var)
	if env_path:
		if os.path.isfile(env_path):return env_path
		cand=os.path.join(env_path,exe)
		if os.path.isfile(cand):return cand
	script_dir=os.path.dirname(os.path.abspath(__file__))
	roots=[]
	env_root=os.environ.get("LLAMA_CPP_DIR")
	if env_root:roots.append(env_root)
	for base in(script_dir,os.getcwd()):
		roots.append(base)
		roots.append(os.path.normpath(os.path.join(base,"llama-cpp")))
		roots.append(os.path.normpath(os.path.join(base,"..","llama-cpp")))
		roots.append(os.path.normpath(os.path.join(base,"..","..","llama-cpp")))
	subdirs=("","bin",os.path.join("build","bin"),os.path.join("build","bin","Release"),os.path.join("build","Release"),"build")
	seen=set()
	for root in roots:
		for sub in subdirs:
			p=os.path.normpath(os.path.join(root,sub,exe))
			if p in seen:continue
			seen.add(p)
			if os.path.isfile(p):return p
	from shutil import which
	found=which(name) or which(exe)
	if found:return found
	return ""

def _build_cmd(flags:dict,model_in:str,model_out:str,dry_run:bool=False)->list:
	cmd=[_find_binary("llama-quantize")]
	if dry_run:cmd.append("--dry-run")
	if flags.get("imatrix"):
		imatrix=flags["imatrix"]
		if isinstance(imatrix,list):imatrix=imatrix[0]
		cmd.extend(["--imatrix",imatrix])
	if flags.get("output_tensor_type"):cmd.extend(["--output-tensor-type",flags["output_tensor_type"]])
	if flags.get("token_embedding_type"):cmd.extend(["--token-embedding-type",flags["token_embedding_type"]])
	for pattern in flags["tensor_type_rules"]:cmd.extend(["--tensor-type",pattern])
	cmd.append(model_in)
	cmd.append(model_out)
	cmd.append(flags["base_type"])
	return cmd

def _missing_binary_msg(name:str):
	exe=name +(".exe" if sys.platform=="win32" else "")
	print(f"  ⚠  Binary '{exe}' not found.")
	print(f"      Set LLAMA_CPP_DIR to your llama.cpp folder,")
	print(f"      or set LLAMA_{name.upper().replace('-','_')}_PATH to the exact path,")
	print(f"      or place '{exe}' next to this script.")

def run_dry_run(flags:dict,model_in:str)->float | None:
	binary=_find_binary("llama-quantize")
	if not binary:
		_missing_binary_msg("llama-quantize")
		return None
	cmd=_build_cmd(flags,model_in,os.devnull,dry_run=True)
	try:result=subprocess.run(cmd,capture_output=True,text=True,timeout=600)
	except FileNotFoundError:
		_missing_binary_msg("llama-quantize")
		return None
	except subprocess.TimeoutExpired:
		print("  ⚠  Dry run timed out after 600 s")
		return None
	output=(result.stdout or "") +(result.stderr or "")
	size=parse_quant_size(output)
	if size is not None:return size
	m=re.search(r"unsupported model architecture:'([^']+)'",output)
	if m:
		print(f"  ⚠  llama-quantize rejected architecture '{m.group(1)}' β€” quantization aborted.")
		return None
	print("STDERR:",(result.stderr or "")[:2000])
	return None

def run_quantization(flags:dict,model_in:str,model_out:str)->bool:
	binary=_find_binary("llama-quantize")
	if not binary:
		_missing_binary_msg("llama-quantize")
		return False
	cmd=_build_cmd(flags,model_in,model_out)
	print("Running:"," ".join(cmd[:6])+" ...")
	try:result=subprocess.run(cmd)
	except FileNotFoundError:
		_missing_binary_msg("llama-quantize")
		return False
	success=result.returncode==0
	if success and os.path.isfile(model_out):
		size_mib=os.path.getsize(model_out)/1024/1024
		print(f"Done: {model_out} ({size_mib:.0f} MiB)")
	elif os.path.isfile(model_out):
		# llama-quantize leaves a truncated file behind: remove it so callers see a clean failure
		try:
			os.remove(model_out)
			print(f"Removed partial output: {model_out}")
		except OSError as e:print(f"  [WARN] Partial output kept ({e})")
	return success

# ═══════════════════════════════════════════════════════════════════════════
# 8. MAIN SHQ ENGINE (SINGLE TARGET RUNNER)
# ═══════════════════════════════════════════════════════════════════════════

def _get_base_type(model:dict,profile:str="quality")->str:
	if model.get("features",{}).get("is_qat",False):return "IQ4_XS"
	return{
		"nano":"IQ3_XXS","mini":"IQ4_XS","compact":"IQ4_XS","quality":"Q5_K_M",
		"fidelity":"Q6_K",
	}.get(profile,"Q5_K_M")

def run_main_cli(args_list=None)->int:
	parser=argparse.ArgumentParser(description="ASHQ1: AutoRound-infused imatrix hybrid quantization")
	parser.add_argument("--model",help="BF16 GGUF model path")
	parser.add_argument("--imatrix",action="append",default=[],help="Imatrix GGUF path (can be specified multiple times)")
	parser.add_argument("--imatrix-method",choices=["max","mean"],default="max",help="How to combine multiple imatrices: max or mean")
	parser.add_argument("--size",type=float,default=6800,help="Target file size in MiB")
	parser.add_argument("--profile",choices=["nano","mini","compact","quality","fidelity"],default="quality",help="Quantization profile")
	parser.add_argument("--lineage",choices=["auto","autoround","plain"],default="auto",help="Force output name lineage tag")
	parser.add_argument("--output",default=None,help="Output GGUF path")
	parser.add_argument("--run",action="store_true",help="Execute quantization")
	parser.add_argument("--show-config",action="store_true",help="Print config and exit")
	parser.add_argument("--verbose",action="store_true",help="Detailed output")
	parser.add_argument("--allow-q3-or-lower",action="store_true",help="Allow starting tiers down to IQ2_XXS")
	parser.add_argument("--no-free-embd",action="store_true",help="Keep token_embd inside the size budget (tied lm_head or strict file-size target)")
	parser.add_argument("--aggro",type=float,default=None,help="[deprecated] Use --size instead")
	parser.add_argument("--target-size",action="store_true",help="Iteratively converge to --size")
	parser.add_argument("--show-floors",action="store_true",help="Print class hard floors and exit")
	try:args=parser.parse_args(args_list)
	except SystemExit as e:return e.code if isinstance(e.code,int) else 1
	if args.show_floors:
		_show_floors()
		return 0
	if not args.model:
		parser.print_usage()
		print("main: error: --model is required")
		return 1
	if not args.imatrix:
		print("Note: no --imatrix provided, using profile defaults only.")
	target_mib=args.size
	print("=== ASHQ1 (AutoRound-infused) ===")
	print(f"Model: {args.model}")
	if not args.imatrix:
		print("Imatrix: none (floor-driven profile)")
	elif len(args.imatrix)==1:
		print(f"Imatrix: {args.imatrix[0]}")
	else:
		print(f"Imatrix: {len(args.imatrix)} files ({args.imatrix_method})")
		for p in args.imatrix:print(f" - {p}")
	print(f"Target: {target_mib:.0f} MiB ({target_mib/1024:.2f} GB)")
	int4_lineage=int4_lineage_of(args.model)
	if int4_lineage:
		print(f"  Lineage: int4 AutoRound source β€” weight upgrades capped at {INT4_LINEAGE_CAP}, MTP at {INT4_MTP_CAP}")
	_ov=load_overhead_factor(args.model,args.profile)
	if abs(_ov-1.0)>1e-4:
		apply_overhead_factor(_ov)
		print(f"  Calibrated overhead (previous run): Γ—{_ov:.4f}")
	if args.allow_q3_or_lower:
		print("  --allow-q3-or-lower: low-importance tensors may go to Q3_K")
	print()
	print("[1/4] Reading model...")
	model=read_model(args.model)
	if not args.no_free_embd:
		_free=_free_embd_assignments(model,set(model.get("tensors",{})),True)
		_mib=sum(_size_mib(t,model["tensors"].get(n,{}).get("n_elements",0)) for n,t in _free.items())
		if _mib>max(target_mib*0.15,128):
			print(f"  ⚠  Embedding {_mib:.0f} MiB > 15% of target β€” disabling free-embd to preserve accurate tier ratios")
			args.no_free_embd=True
	no_free=args.no_free_embd
	print(f"  Architecture: {model['architecture']}")
	print(f"  Tensors: {model['n_tensors']}")
	print(f"  Features: {json.dumps(model['features'],indent=2)}")
	print("\n[2/4] Reading imatrix...")
	imatrix_list=[read_imatrix(p) for p in args.imatrix]
	for im in imatrix_list:
		print(f"  {im['path']}: {im['n_tensors']} tensors, datasets={im['meta'].get('imatrix.datasets','?')}")
	imatrix=combine_imatrix(imatrix_list,method=args.imatrix_method)
	if imatrix_list:print(f"  Combined: {imatrix['n_tensors']} tensors")
	else:print("  Skipped: profile floors drive every assignment")
	print("\n[3/4] Detecting tied groups...")
	imp_table=build_importance_table(imatrix,model)
	tied_groups=detect_tied_groups(imatrix)
	print(f"  Found {len(tied_groups)} tied groups:")
	for g in tied_groups:
		if len(g)<2:continue
		fam={}
		for n in g:fam.setdefault(_tie_family(n,imp_table),[]).append(n)
		for names in fam.values():
			if len(names)<2:continue
			print(f"    TIED({len(names)}): {names[0].replace('.weight','')} = {names[1].replace('.weight','')}")
	print("\n[4/4] Classifying tensors (greedy imatrix-driven)...")
	embd_cap=embd_int4_cap(args.model) if int4_lineage else None
	if embd_cap:
		print(f"  Embeddings covered by int4 grid β†’ host bump capped at {embd_cap}")
	if args.target_size:
		assignments,padded_ne_map=converge_to_target(
			imp_table,tied_groups,model,
			target_size_mib=target_mib,
			allow_q3=args.allow_q3_or_lower,
			profile=args.profile,
			int4_lineage=int4_lineage,
			free_embd=not no_free,
			embd_cap=embd_cap,
		)
	else:
		assignments,padded_ne_map=optimal_classify(
			imp_table,tied_groups,model,
			target_size_mib=target_mib,
			allow_q3=args.allow_q3_or_lower,
			profile=args.profile,
			int4_lineage=int4_lineage,
			free_embd=not no_free,
			embd_cap=embd_cap,
		)
	ne_map={k:v["n_elements"] for k,v in model.get("tensors",{}).items()}
	if not ne_map:ne_map={k:v["n_elements"] for k,v in imp_table.items()}
	free_mib=sum(_size_mib(t,ne_map.get(n,0)) for n,t in _free_embd_assignments(model,set(ne_map),not no_free,embd_cap).items())
	if free_mib:print(f"  Host-side embedding bump: {free_mib:.0f} MiB outside VRAM budget")
	_show_tier_summary(assignments,imp_table,ne_map,padded_ne_map,_pinned_f32_names(model))
	base_type=_get_base_type(model,args.profile)
	flags=generate_flags(assignments,model,base_type,target_mib)
	flags["imatrix"]=args.imatrix
	print(f"\nConfig (base={flags['base_type']}):")
	print(format_flags(flags))
	if args.show_config:return 0
	print("\n--- Dry Run ---")
	estimated=compute_stats(assignments,ne_map,padded_ne_map,_pinned_f32_names(model))["total_mib"]
	dry_size=run_dry_run(flags,args.model)
	if dry_size and estimated>0:
		ratio=dry_size/estimated
		save_overhead_factor(args.model,_ov*ratio,args.profile)
		if abs(ratio-1.0)>0.02:
			print(f"  Calibration: actual/estimated overhead Γ—{ratio:.4f} β€” saved for subsequent runs")
	_show_size_result(dry_size,target_mib+free_mib)
	if not args.run:
		print("\nDry run only. Use --run to execute quantization.")
		return 0
	if not args.output:
		base=clean_name(args.model)
		pct=resolve_pct(args.profile,args.model)
		args.output=f"{base}-{lineage_tag(args.model,args.lineage)}-{tier_label(args.profile)}-{pct}pc.gguf"
	print(f"\n--- Running quantization: {args.output} ---")
	success=run_quantization(flags,args.model,args.output)
	if success:
		print("Done!")
		return 0
	else:
		print("Failed!")
		return 1

def _show_tier_summary(assignments,imp_table,ne_map,padded_ne_map=None,f32_names=None):
	stats=compute_stats(assignments,ne_map,padded_ne_map,f32_names)
	print("\n  Tier distribution:")
	for tier in sorted(stats["by_tier_count"].keys()):
		count=stats["by_tier_count"][tier]
		mib=stats["by_tier_mib"].get(tier,0.0)
		print(f"   {tier}: {count} tensors ({mib:.1f} MiB)")
	print(f"  Total estimated size: {stats['total_mib']:.1f} MiB")
	unknown=[n for n in assignments if get_tensor_class(get_tensor_type(n))=="unknown"]
	if unknown:
		print(f"\n  Unclassified tensors (floor-driven, {len(unknown)}) β€” extend TENSOR_CLASS if sensitive:")
		for n in unknown[:8]:print(f"   {n}")
		if len(unknown)>8:print(f"   … +{len(unknown)-8} more")
	ranked=sorted([(n,v) for n,v in imp_table.items()],key=lambda x:-x[1]["importance_mean"])
	print("\n  Top 10 by importance:")
	for n,v in ranked[:10]:
		tier=assignments.get(n,"base")
		display=n.replace(".weight","").replace(".bias","")
		print(f"   {display[:52]:52s} imp={v['importance_mean']:10.0f} tier={tier}")

# Metadata overhead (header + vocab) not tracked by tensor arrays
META_OVERHEAD_MIB=12.0

def _show_size_result(dry_size,target_mib):
	if dry_size:
		on_disk=dry_size+META_OVERHEAD_MIB
		print(f"  Estimated size: {dry_size:.0f} MiB ({dry_size/1024:.2f} GB)")
		print(f"  Estimated on disk: {on_disk:.0f} MiB (+{META_OVERHEAD_MIB:.0f} MiB metadata)")
		diff=on_disk-target_mib
		if diff>0:print(f"  ⚠  Over target by {diff:.0f} MiB")
		else:print(f"  βœ“ Under target by {-diff:.0f} MiB")
	else:
		print("  ⚠  Could not parse size from dry-run output")

def _show_floors():
	print("  Class hard floors (never below without --allow-q3-or-lower):\n")
	max_n=max(len(c) for c in CLASS_HARD_FLOORS)
	for cls,floor in sorted(CLASS_HARD_FLOORS.items()):
		print(f"   {cls:<{max_n}}  β†’ {floor}")
	print(f"\n  Default floor (unknown class): Q4_K")
	print(f"  --allow-q3-or-lower enables IQ2_XXS start for: {','.join(sorted(CAN_Q3))}")

# ═══════════════════════════════════════════════════════════════════════════
# 9. TIERS RUNNER & CLI ENTRYPOINT
# ═══════════════════════════════════════════════════════════════════════════

TIER_RATIOS={
	"nano":0.24,
	"mini":0.27,
	"compact":0.33,
	"quality":0.39,
	"fidelity":0.48,
}

INT4_TIER_RATIOS={"quality":0.36}

def resolve_tier_ratio(tier,lineage):
	# int4 upgrades stall against INT4_LINEAGE_CAP; high tiers get a truthful target
	if lineage=="int4" and tier in INT4_TIER_RATIOS:
		return INT4_TIER_RATIOS[tier]
	return TIER_RATIOS[tier]

ALL_RATIOS=dict(TIER_RATIOS)
TIER_DISPLAY={"nano":"Nano"}

def tier_label(tier:str)->str:
	return TIER_DISPLAY.get(tier.lower(),tier.capitalize())

def resolve_ratio(tier:str,int4:bool)->float:
	# int4 upgrades stall against INT4_LINEAGE_CAP: high tiers get a truthful target
	t=tier.lower()
	if int4 and t in INT4_TIER_RATIOS:return INT4_TIER_RATIOS[t]
	return ALL_RATIOS.get(t,0.0)

def resolve_pct(tier:str,model_path:str)->int:
	return round(resolve_ratio(tier,int4_lineage_of(model_path))*100)

def file_size_mib(path:str)->float:
	return os.path.getsize(path)/1024/1024

def clean_name(path:str)->str:
	base=os.path.splitext(os.path.basename(path))[0]
	for suffix in("-no-mtp-BF16","-no-mtp-F16","-BF16-no-mtp","-F16-no-mtp","-BF16","-F16","-bf16","-f16"):
		if base.endswith(suffix):
			base=base[:-len(suffix)]
			break
	return base

PROVENANCE_MAP="quant-provenance.json"

def provenance(model_path:str)->dict:
	sidecar=os.path.splitext(model_path)[0]+".provenance.json"
	if os.path.isfile(sidecar):
		try:
			with open(sidecar,"r",encoding="utf-8") as f:return json.load(f)
		except Exception:pass
	fmap=os.path.join(os.path.dirname(os.path.abspath(model_path)),PROVENANCE_MAP)
	if os.path.isfile(fmap):
		try:
			with open(fmap,"r",encoding="utf-8") as f:return json.load(f).get(os.path.basename(model_path),{})
		except Exception:pass
	return {}

def lineage_tag(model_path:str,override:str="auto")->str:
	if override=="autoround":return "AutoRound-ASHQ1"
	if override=="plain":return "ASHQ1"
	return "AutoRound-ASHQ1" if provenance(model_path).get("autoround") else "ASHQ1"

def int4_lineage_of(model_path:str)->bool:
	prov=provenance(model_path)
	try:bits=int(prov.get("bits",16) or 16)
	except (TypeError,ValueError):bits=16
	return bool(prov.get("autoround")) and bits<=4

def gen_imatrix(model:str,data:str,output:str,chunks:int)->bool:
	bin_path=_find_binary("llama-imatrix")
	if not bin_path:
		_missing_binary_msg("llama-imatrix")
		return False
	cmd=[bin_path,"-m",model,"-f",data,"-o",output,"--chunks",str(chunks)]
	print("Running:"," ".join(cmd[:4])+" ...")
	try:result=subprocess.run(cmd)
	except FileNotFoundError:
		_missing_binary_msg("llama-imatrix")
		return False
	return result.returncode==0

def print_tier_table(bf16_mib:float,model_name:str,int4:bool=False):
	print(f"\n  Model: {model_name}")
	print(f"  BF16 source: {bf16_mib:.0f} MiB ({bf16_mib/1024:.2f} GB)\n")
	print(f" {'Tier':<12}{'Ratio':>6}{'Target(MiB)':>14}{'Target(GB)':>12}")
	print(f" {'-'*12}{'-'*6}{'-'*14}{'-'*12}")
	for tier in ALL_RATIOS:
		ratio=resolve_ratio(tier,int4)
		target=bf16_mib*ratio
		print(f" {tier_label(tier):<12}{ratio*100:>5.0f}%{target:>13.0f}{target/1024:>11.2f}")
	print()

def run_tier(model:str,imatrix_paths:list,tier:str,target_mib:float,output_dir:str,run:bool,extra_args:list,lineage:str="auto")->bool:
	name=clean_name(model)
	pct=resolve_pct(tier,model)
	output=os.path.join(output_dir,f"{name}-{lineage_tag(model,lineage)}-{tier_label(tier)}-{pct}pc.gguf")
	cmd_args=[
		"--model",model,
		"--size",f"{target_mib:.0f}",
		"--output",output,
		"--profile",tier,
	]
	for im in imatrix_paths:cmd_args.extend(["--imatrix",im])
	cmd_args.extend(extra_args)
	if run:cmd_args.append("--run")
	print(f"\n{'='*60}")
	print(f" [{tier.upper()}] Target: {target_mib:.0f} MiB ({target_mib/1024:.2f} GB)")
	print(f"  Output: {output}")
	print(f"{'='*60}\n")
	return run_main_cli(cmd_args)==0

def tiers_main(args_list=None):
	parser=argparse.ArgumentParser(
		description="ASHQ1 Tier Runner β€” standardized quantization tiers",
		formatter_class=argparse.RawDescriptionHelpFormatter
	)
	parser.add_argument("--model",help="BF16/F16 GGUF model path")
	parser.add_argument("--imatrix",action="append",default=[],help="Imatrix file path")
	parser.add_argument("--tier",choices=list(TIER_RATIOS.keys())+["all"],default="all",help="Which tier to run")
	parser.add_argument("--lineage",choices=["auto","autoround","plain"],default="auto",help="Force output name lineage tag")
	parser.add_argument("--output-dir",default=None,help="Output directory")
	parser.add_argument("--run",action="store_true",help="Execute quantization")
	parser.add_argument("--show-sizes",action="store_true",help="Only print size table and exit")
	parser.add_argument("--allow-q3-or-lower",action="store_true",help="Allow Q3 or lower")
	parser.add_argument("--imatrix-method",choices=["max","mean"],default="max",help="Imatrix combination method")
	parser.add_argument("--verbose",action="store_true",help="Detailed output")
	parser.add_argument("--gen-imatrix",action="store_true",help="Generate imatrix before quantization")
	parser.add_argument("--data",help="Calibration data file for imatrix")
	parser.add_argument("--chunks",type=int,default=100,help="Number of chunks for imatrix")
	args,remaining=parser.parse_known_args(args_list)
	if not args.model:
		parser.print_usage()
		print("ashq1: error: --model is required")
		sys.exit(1)
	if not os.path.isfile(args.model):
		print(f"ERROR: Model not found: {args.model}")
		sys.exit(1)
	bf16_mib=file_size_mib(args.model)
	model_name=clean_name(args.model)
	output_dir=args.output_dir or os.path.dirname(os.path.abspath(args.model))
	os.makedirs(output_dir,exist_ok=True)
	print("=== ASHQ1 Tier Runner ===")
	print_tier_table(bf16_mib,model_name,int4_lineage_of(args.model))
	if args.show_sizes:return
	imatrix_paths=list(args.imatrix)
	if args.gen_imatrix:
		if not args.data:
			print("ERROR: --data required for --gen-imatrix")
			sys.exit(1)
		imatrix_path=os.path.join(output_dir,f"{model_name}.imatrix.dat")
		print(f"\n--- Generating imatrix: {imatrix_path} ---")
		if not gen_imatrix(args.model,args.data,imatrix_path,args.chunks):
			print("ERROR: Imatrix generation failed!")
			sys.exit(1)
		imatrix_paths.insert(0,imatrix_path)
	if not imatrix_paths:
		print("ERROR: --imatrix required (or use --gen-imatrix with --data)")
		sys.exit(1)
	for im in imatrix_paths:
		if not os.path.isfile(im):
			print(f"ERROR: Imatrix not found: {im}")
			sys.exit(1)
	tiers=["mini","compact","quality","fidelity","nano"] if args.tier=="all" else[args.tier]
	if args.tier=="all" and int4_lineage_of(args.model):
		if os.environ.get("ASHQ1_INCLUDE_FIDELITY")!="1" and "fidelity" in tiers:
			tiers.remove("fidelity")
		if os.environ.get("ASHQ1_INCLUDE_QUALITY")!="1" and "quality" in tiers:
			tiers.remove("quality")
		print(f"  β„Ή  AutoRound int4 lineage detected β€” Fidelity & Quality skipped (information ceiling reached at Compact). Overrides: ASHQ1_INCLUDE_QUALITY=1, ASHQ1_INCLUDE_FIDELITY=1.")
	extra_args=[]
	if args.allow_q3_or_lower:extra_args.append("--allow-q3-or-lower")
	extra_args.extend(["--imatrix-method",args.imatrix_method,"--lineage",args.lineage])
	if args.verbose:extra_args.append("--verbose")
	int4=int4_lineage_of(args.model)
	results={}
	for tier in tiers:
		target=bf16_mib*resolve_ratio(tier,int4)
		success=run_tier(args.model,imatrix_paths,tier,target,output_dir,args.run,extra_args,args.lineage)
		results[tier]=success
	print(f"\n{'='*60}")
	print("  SUMMARY")
	print(f"{'='*60}")
	mode="quantized" if args.run else "dry-run"
	for tier,success in results.items():
		target=bf16_mib*resolve_ratio(tier,int4)
		status="βœ“ Done" if success else "βœ— Failed"
		print(f" {tier_label(tier):<12}{target:>7.0f} MiB {status} ({mode})")
	print()
	if results and not all(results.values()):sys.exit(2)

if __name__=="__main__":
	raw_args=sys.argv[1:]
	if any(arg in raw_args for arg in("--profile","--show-config","--show-floors","--size")) and "--tier" not in raw_args:
		sys.exit(run_main_cli(raw_args))
	else:
		tiers_main(raw_args)