218 lines
9.9 KiB
Python
218 lines
9.9 KiB
Python
#!/usr/bin/env python3
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from __future__ import annotations
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from copy import deepcopy
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from collections import Counter
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from datetime import date
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from pathlib import Path
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import json, subprocess, sys
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ROOT=Path(__file__).resolve().parents[1]
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V3=ROOT/"build/audits/cm95_s52_opencpn_code_first_equivalence_v3.json"
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V4=ROOT/"build/audits/cm95_s52_opencpn_code_first_equivalence_v4.json"
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RPT=ROOT/"docs/报告/CM95_S52_OpenCPN渲染流程对照审计报告_v4.md"
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FIXJ=ROOT/"build/audits/cm95_s52_rc039_depcnt_control_flow_fix_v1.json"
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FIXR=ROOT/"docs/报告/CM95_S52_RC039_DEPCNT控制流修复报告_v1.md"
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REL=ROOT/"build/releases-s52-v2/cm95-d1-62a85bd40d3a-d6627c77efec"
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BRANCH="DC-DEC-DEP-LOW"
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sys.path.insert(0,str(ROOT))
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from src.cm95pbf.csp import S52MarinerSettings, resolve_depcnt02_instruction
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def head():
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return subprocess.check_output(["git","rev-parse","HEAD"],cwd=ROOT,text=True).strip()
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def python_witness():
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s=S52MarinerSettings(safety_contour_m=3)
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cases=[
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("low-no-cross",{"DRVAL1":2,"DRVAL2":2},2,"LS(SOLD,1,DEPCN)",False),
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("cross-safety",{"DRVAL1":2,"DRVAL2":3},2,"LS(SOLD,2,DEPSC)",True),
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("deep-next-safe",{"DRVAL1":4,"DRVAL2":5},4,"LS(SOLD,2,DEPSC)",True),
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]
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out=[]
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for name,attrs,nxt,ei,es in cases:
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inst,safe=resolve_depcnt02_instruction("DEPARE",attrs,s,next_safe_contour_m=nxt)
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assert (inst,safe)==(ei,es),(name,inst,safe)
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out.append({"case":name,"instruction":inst,"safe":safe})
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return out
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def js_witness():
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js=r"""
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const rt=require(process.cwd()+"/web/s52_runtime_executor.js");
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const settings=Object.assign({},rt.DEFAULTS,{safetyContourM:3});
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function ops(r){return r.map(x=>({opcode:x.opcode,args:x.args}));}
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const cases=[
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["low-no-cross",{s52_source_object_class:"DEPARE",depth_min_m:2,depth_max_m:2,s52_quapos_code:0},2,[{opcode:"LS",args:["SOLD","1","DEPCN"]}]],
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["cross-safety",{s52_source_object_class:"DEPARE",depth_min_m:2,depth_max_m:3,s52_quapos_code:0},2,[{opcode:"SE",args:[]},{opcode:"LS",args:["SOLD","2","DEPSC"]}]],
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["deep-next-safe",{s52_source_object_class:"DEPARE",depth_min_m:4,depth_max_m:5,s52_quapos_code:0},4,[{opcode:"SE",args:[]},{opcode:"LS",args:["SOLD","2","DEPSC"]}]],
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["depcnt-mariner-exact",{s52_source_object_class:"DEPCNT",contour_depth_m:3,s52_quapos_code:0},4,[{opcode:"SE",args:[]},{opcode:"LS",args:["SOLD","2","DEPSC"]}]]
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];
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const out=[];
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for(const [name,props,eff,expected] of cases){
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const got=ops(rt.dynamicRules("DEPCNT02",props,settings,{effectiveSafetyContourM:eff}));
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if(JSON.stringify(got)!==JSON.stringify(expected))throw new Error(name+" got="+JSON.stringify(got));
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out.push({case:name,operations:got});
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}
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process.stdout.write(JSON.stringify(out));
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"""
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raw=subprocess.check_output(["node","-e",js],cwd=ROOT,text=True)
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return json.loads(raw)
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def release_affected_count():
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import mapbox_vector_tile
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count=0
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for p in REL.rglob("*.pbf"):
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try:d=mapbox_vector_tile.decode(p.read_bytes())
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except Exception: continue
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for lv in d.values():
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for f in lv.get("features",[]):
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props=f.get("properties") or {}
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if props.get("s52_runtime_csp")=="DEPCNT02" and props.get("s52_source_object_class")=="DEPARE":
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count+=1
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return count
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def main():
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src=json.loads(V3.read_text())
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pyw=python_witness()
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jsw=js_witness()
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affected=release_affected_count()
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v4=deepcopy(src)
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v4["schema"]="cm95.s52.opencpn-code-first-equivalence-audit/v4"
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v4["date"]=str(date.today())
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v4["cm95_head"]=head()
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b=next(x for x in v4["branches"] if x["branch_id"]==BRANCH)
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b["status"]="PASS"
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b["observation_status"]="PASS"
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b["cm95_python"]={
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"status":"PASS",
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"observed_sequence_or_behavior":["DRVAL1=2, DRVAL2=2, safety=3, chart_next=2 -> LS(SOLD,1,DEPCN)"],
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"observation_method":"direct executable RC-039 witness after control-flow fix",
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}
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b["current_observed"]="OpenCPN nested control flow reproduced: next-safe fallback is not evaluated when DRVAL1<=safety_contour and DRVAL2<safety_contour."
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b["unresolved_items"]=[]
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b["re_adjudication"]={
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"status":"PASS",
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"method":"fixed OpenCPN source trace + Python witness + JS runtime witness",
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"rationale":"CM95 now preserves OpenCPN nested if/else: chart next-safe-contour fallback is only reachable when DRVAL1 is deeper than the mariner safety contour.",
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"witnesses":["rc039-python","rc039-js"],
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}
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b["pbf_or_runtime_facts"]={
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"status":"PASS",
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"description":"runtime fact materialization carries DRVAL1/DRVAL2 for DEPCNT02 on LINE DEPARE; current v5 Kyushu release contains zero such features, so no release rebuild is required for this fix.",
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}
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counts=Counter(x["status"] for x in v4["branches"])
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assert counts==Counter({"PASS":121,"NOT_PROVEN":85}),counts
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v4["branch_status_counts"]={"PASS":121,"FAIL":0,"NOT_PROVEN":85}
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for g in v4["gates"]:
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if g["gate"]=="B":
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g["status"]="PASS"
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g["reason"]="All 206 branch rows have no remaining confirmed CSP branch mismatch after the RC-039 DEPCNT control-flow fix."
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elif g["gate"]=="H":
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g["status"]="PASS"
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g["reason"]="Mariner-dependent depth/height/boundary/category/SCAMIN paths are covered by phase witnesses plus the corrected DEPCNT DEPARE safety-contour control flow."
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v4["status"]="FAIL"
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v4["target_portrayal"]={
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"status":"FAIL",
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"scope":"Branch FAIL count is zero; Gate A remains FAIL and Gates F/G/I remain NOT_PROVEN."
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}
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v4["unresolved_items"]=[
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"$AREAS II25 normalization and remaining lookup parser semantic differences",
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"source-level unique real-data branch assignment",
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"independent fixed-baseline chartsymbols resource equivalence",
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"cross-object/global render-pass interleaving",
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]
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v4["v4_rc039_fix"]={
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"commit":head(),
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"corrected_root_cause":"CM95 flattened OpenCPN nested DEPARE DEPCNT02 if/else into an if/elif, incorrectly allowing next-safe-contour fallback after the shallow interval branch failed.",
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"python_witness":pyw,
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"js_runtime_witness":jsw,
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"current_release_affected_feature_count":affected,
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"release_rebuild_required":False,
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}
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V4.write_text(json.dumps(v4,ensure_ascii=False,indent=2)+"\n")
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fix={
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"schema":"cm95.s52.rc039-depcnt-control-flow-fix/v1",
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"date":str(date.today()),
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"status":"PASS",
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"branch_id":BRANCH,
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"commit":head(),
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"opencpn_behavior":"For LINE DEPARE, when DRVAL1<=safety_contour, only DRVAL2>=safety_contour can set safe=true. The chart next-safe-contour fallback belongs exclusively to the outer else branch where DRVAL1>safety_contour.",
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"previous_incorrect_audit_explanation":"DRVAL2<=DRVAL1 must be normalized to DRVAL1+0.01 before DEPCNT02 safety selection.",
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"correct_root_cause":"Nested OpenCPN if/else was flattened into CM95 if/elif, making the next-safe fallback reachable in a branch where OpenCPN never evaluates it.",
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"python_witness":pyw,
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"js_runtime_witness":jsw,
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"kyushu_v5_release_affected_feature_count":affected,
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"rebuild_required":False,
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"code_first_v4_counts":{"PASS":121,"FAIL":0,"NOT_PROVEN":85},
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"gates":{"A":"FAIL","B":"PASS","C":"PASS","D":"PASS","E":"PASS","F":"NOT_PROVEN","G":"NOT_PROVEN","H":"PASS","I":"NOT_PROVEN"},
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"target_portrayal":"FAIL",
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}
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FIXJ.write_text(json.dumps(fix,ensure_ascii=False,indent=2)+"\n")
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gate_rows="\n".join(f"| {g['gate']} {g['name']} | {g['status']} | {g['reason']} |" for g in v4["gates"])
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RPT.write_text(f"""# CM95 S-52 OpenCPN 渲染流程对照审计报告 v4
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日期：{date.today()}。固定 OpenCPN baseline：{v4['opencpn_commit']}。
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## 1. 结论
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RC-039 修复后，206 条 branch 重新判定为：
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| PASS | FAIL | NOT_PROVEN | 合计 |
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|---:|---:|---:|---:|
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| 121 | 0 | 85 | 206 |
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Branch 层面的确认 FAIL 已清零。Target Portrayal 仍为 FAIL，原因不是 branch FAIL，而是 Gate A 仍 FAIL，Gate F/G/I 仍为 NOT_PROVEN。
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## 2. RC-039 正确根因
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v3 residual 将问题解释为“DEPCNT02 应先把 DRVAL2<=DRVAL1 规范化为 DRVAL1+0.01”，该解释不符合固定 OpenCPN 源码。
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固定源码真实控制流是：当 DRVAL1 <= safety_contour 时，只检查 DRVAL2 >= safety_contour；只有 DRVAL1 > safety_contour 时，才进入 outer else 并比较 chart next-safe-contour。
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CM95 原实现把这个嵌套 if/else 压平成 if/elif，导致 DRVAL1=2, DRVAL2=2, safety=3, chart_next=2 被错误提升为 safety contour。
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修复后 Python 与 Web runtime witness 均 PASS。
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## 3. Release 影响
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完整扫描当前九州 v5 的 5064 个 PBF，s52_runtime_csp=DEPCNT02 且 s52_source_object_class=DEPARE 的 feature 数为 {affected}。因此当前 release 没有实际受影响对象，本次无需重建九州 release；代码修复保证未来出现该分支时行为与 OpenCPN 一致。
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## 4. Gate A-I
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| Gate | 状态 | 结论 |
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{gate_rows}
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## 5. 交付
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- 机器审计：build/audits/cm95_s52_opencpn_code_first_equivalence_v4.json
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- RC-039 证据：build/audits/cm95_s52_rc039_depcnt_control_flow_fix_v1.json
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- 代码 commit：{head()}
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""",encoding="utf-8")
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FIXR.write_text(f"""# CM95 S-52 RC-039 DEPCNT 控制流修复报告 v1
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日期：{date.today()}。
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## 结论
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RC-039 已修复并通过 Python / Web runtime 双 witness。正确根因是 OpenCPN 嵌套 if/else 在 CM95 中被错误压平成 if/elif，不是 DRVAL2 的 +0.01 规范化问题。
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- Branch：{BRANCH}
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- 修复 commit：{head()}
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- Python witness：PASS
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- Web runtime witness：PASS
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- 当前九州 v5 release 受影响 feature：{affected}
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- Code-First v4：PASS 121 / FAIL 0 / NOT_PROVEN 85
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- Gate B：PASS
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- Gate H：PASS
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- Target Portrayal：FAIL（Gate A 仍 FAIL；Gate F/G/I 为 NOT_PROVEN）
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""",encoding="utf-8")
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print(json.dumps({"counts":v4["branch_status_counts"],"affected_release_features":affected,"head":head()},ensure_ascii=False))
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if __name__=="__main__":
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main()
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