diff --git a/docs/报告/CM95_S52_AP矢量纹理阶段报告_v1.md b/docs/报告/CM95_S52_AP矢量纹理阶段报告_v1.md
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+# CM95 S-52 AP 矢量纹理阶段报告 v1
+
+## 结论
+
+已建立 S-52 `AP(...)` vector-only pattern 到 MapLibre fill-pattern 的编译路径。
+
+全国 Dataset 1 实际使用的 AP 中：
+- bitmap pattern 继续复用 OpenCPN 原 atlas；
+- vector-only pattern 共 10 种，10/10 编译成功；
+- 未对 bitmap+vector 双定义资源重复生成。
+
+vector-only pattern：
+`PRTSUR01 / QUESMRK1 / MARCUL02 / VEGATN03 / SNDWAV01 / ICEARE04 / FSHFAC03 / TSSJCT02 / AIRARE02 / VEGATN04`。
+
+## 实现
+
+新增 `tools/cm95_s52_vector_pattern_sprite.py`：
+1. 读取全国实际 `pattern_resource_counts`；
+2. 只选择 vector-only pattern；
+3. 解析实际 HPGL `SP/SW/PU/PD/CI`；
+4. 按 DAY_BRIGHT 色表生成透明 PNG；
+5. 追加至现有 Symbol + Pattern + LC Sprite。
+
+## 福冈湾回归
+
+`z12/3531/1641` 实际包含：
+- `PRTSUR01 ×31`
+- `QUESMRK1 ×5`
+
+v12 浏览器实际验证：
+- `s52-ap-prtsur01` rendered features = 19（当前视口）
+- `s52-ap-quesmrk1` rendered features = 2（当前视口）
+- `map.hasImage(ap-PRTSUR01)` = true
+- `map.hasImage(ap-QUESMRK1)` = true
+- 页面 READY；唯一 HTTP 404 为 `favicon.ico`。
+
+## 边界
+
+正式 style compiler 后续应根据 `s52_area_pattern_code` 自动生成 fill-pattern layer，不应长期手工维护 v12 中的验证层。
diff --git a/tools/cm95_s52_vector_pattern_sprite.py b/tools/cm95_s52_vector_pattern_sprite.py
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+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import json
+import math
+from pathlib import Path
+import shutil
+import struct
+import subprocess
+import tempfile
+import xml.etree.ElementTree as ET
+from typing import Any
+
+
+def _png_size(path: Path) -> tuple[int, int]:
+    data = path.read_bytes()[:24]
+    if len(data) < 24 or data[:8] != b"\x89PNG\r\n\x1a\n":
+        raise RuntimeError(f"not a PNG: {path}")
+    return struct.unpack(">II", data[16:24])
+
+
+def _text(node: ET.Element, tag: str) -> str:
+    child = node.find(tag)
+    return (child.text or "").strip() if child is not None else ""
+
+
+def _parse_palette(root: ET.Element, palette: str) -> dict[str, str]:
+    parent = root.find("color-tables")
+    if parent is None:
+        raise RuntimeError("missing color-tables")
+    for table in parent.findall("color-table"):
+        if table.attrib.get("name") != palette:
+            continue
+        return {
+            c.attrib["name"]: f"#{int(c.attrib['r']):02x}{int(c.attrib['g']):02x}{int(c.attrib['b']):02x}"
+            for c in table.findall("color")
+        }
+    raise RuntimeError(f"unknown palette: {palette}")
+
+
+def _parse_pen_colors(color_ref: str, palette: dict[str, str]) -> dict[str, str]:
+    compact = "".join(str(color_ref or "").split())
+    out: dict[str, str] = {}
+    for i in range(0, len(compact), 6):
+        token = compact[i:i + 6]
+        if len(token) == 6:
+            out[token[0]] = palette.get(token[1:], "#000000")
+    return out or {"A": "#000000"}
+
+
+def _points(text: str) -> list[tuple[float, float]]:
+    nums = [float(x) for x in text.split(",") if x != ""]
+    return [(nums[i], nums[i + 1]) for i in range(0, len(nums) - 1, 2)]
+
+
+def _svg_for_pattern(node: ET.Element, palette: dict[str, str], dpi: float) -> tuple[str, dict[str, Any]]:
+    name = _text(node, "name")
+    vector = node.find("vector")
+    if vector is None:
+        raise RuntimeError(f"pattern {name} has no vector")
+    origin = vector.find("origin")
+    if origin is None:
+        raise RuntimeError(f"pattern {name} has no origin")
+    unit = (dpi / 25.4) / 100.0
+    width = max(1, int(math.ceil(float(vector.attrib.get("width", "0")) * unit)))
+    height = max(1, int(math.ceil(float(vector.attrib.get("height", "0")) * unit)))
+    ox = float(origin.attrib["x"])
+    oy = float(origin.attrib["y"])
+    pen_colors = _parse_pen_colors(_text(node, "color-ref"), palette)
+    pen = next(iter(pen_colors))
+    pen_width = 1.0
+    nominal = max(1.0, math.floor((dpi / 25.4) / 5.0))
+    current: tuple[float, float] | None = None
+    elements: list[str] = []
+
+    def cv(p: tuple[float, float]) -> tuple[float, float]:
+        return ((p[0] - ox) * unit, (p[1] - oy) * unit)
+
+    for raw in _text(node, "HPGL").split(";"):
+        raw = raw.strip()
+        if not raw:
+            continue
+        cmd, arg = raw[:2], raw[2:]
+        if cmd == "SP" and arg:
+            pen = arg[0]
+        elif cmd == "SW":
+            try:
+                pen_width = max(1.0, float(arg))
+            except ValueError:
+                pen_width = 1.0
+        elif cmd == "PU":
+            pts = _points(arg)
+            if pts:
+                current = pts[-1]
+        elif cmd == "PD":
+            for target in _points(arg):
+                if current is None:
+                    current = target
+                    continue
+                x1, y1 = cv(current)
+                x2, y2 = cv(target)
+                color = pen_colors.get(pen, next(iter(pen_colors.values())))
+                stroke = max(1.0, pen_width * nominal)
+                elements.append(
+                    f'<line x1="{x1:.3f}" y1="{y1:.3f}" x2="{x2:.3f}" y2="{y2:.3f}" '
+                    f'stroke="{color}" stroke-width="{stroke:.3f}" stroke-linecap="round" />'
+                )
+                current = target
+        elif cmd == "CI" and current is not None:
+            try:
+                radius = float(arg) * unit
+            except ValueError:
+                continue
+            cx, cy = cv(current)
+            color = pen_colors.get(pen, next(iter(pen_colors.values())))
+            stroke = max(1.0, pen_width * nominal)
+            elements.append(
+                f'<circle cx="{cx:.3f}" cy="{cy:.3f}" r="{radius:.3f}" fill="none" '
+                f'stroke="{color}" stroke-width="{stroke:.3f}" />'
+            )
+        else:
+            raise RuntimeError(f"unsupported HPGL {cmd} in pattern {name}")
+
+    svg = (
+        f'<svg xmlns="http://www.w3.org/2000/svg" width="{width}" height="{height}" '
+        f'viewBox="0 0 {width} {height}">' + "".join(elements) + "</svg>"
+    )
+    return svg, {
+        "name": name,
+        "width": width,
+        "height": height,
+        "filltype": _text(node, "filltype"),
+        "spacing": _text(node, "spacing"),
+        "color_ref": _text(node, "color-ref"),
+        "description": _text(node, "description"),
+    }
+
+
+def main() -> int:
+    ap = argparse.ArgumentParser(description="Compile used S-52 vector AP patterns into a MapLibre sprite.")
+    ap.add_argument("--chartsymbols", required=True, type=Path)
+    ap.add_argument("--base-sprite-png", required=True, type=Path)
+    ap.add_argument("--base-sprite-json", required=True, type=Path)
+    ap.add_argument("--usage-audit", required=True, type=Path)
+    ap.add_argument("--output-prefix", required=True, type=Path)
+    ap.add_argument("--palette", default="DAY_BRIGHT")
+    ap.add_argument("--dpi", default=96.0, type=float)
+    args = ap.parse_args()
+
+    if shutil.which("convert") is None:
+        raise SystemExit("ImageMagick convert is required")
+    root = ET.parse(args.chartsymbols).getroot()
+    palette = _parse_palette(root, args.palette)
+    patterns = root.find("patterns")
+    if patterns is None:
+        raise SystemExit("missing patterns")
+    by_name = {_text(n, "name"): n for n in patterns.findall("pattern")}
+    usage = json.loads(args.usage_audit.read_text(encoding="utf-8"))
+    used = [str(row[0]) for row in usage.get("pattern_resource_counts", [])]
+    names = [
+        name for name in used
+        if name in by_name
+        and by_name[name].find("vector") is not None
+        and by_name[name].find("bitmap") is None
+    ]
+    missing = [name for name in used if name not in by_name]
+    if missing:
+        raise SystemExit(f"missing patterns: {missing}")
+
+    sprite = json.loads(args.base_sprite_json.read_text(encoding="utf-8"))
+    base_w, base_h = _png_size(args.base_sprite_png)
+    metadata: dict[str, dict[str, Any]] = {}
+    args.output_prefix.parent.mkdir(parents=True, exist_ok=True)
+
+    with tempfile.TemporaryDirectory(prefix="cm95-s52-ap-") as td:
+        tmp = Path(td)
+        pngs: list[Path] = []
+        y = base_h
+        for idx, name in enumerate(names):
+            svg, meta = _svg_for_pattern(by_name[name], palette, args.dpi)
+            sp = tmp / f"{idx:03d}-{name}.svg"
+            pp = tmp / f"{idx:03d}-{name}.png"
+            sp.write_text(svg, encoding="utf-8")
+            subprocess.run(["convert", "-background", "none", str(sp), str(pp)], check=True)
+            w, h = _png_size(pp)
+            key = f"ap-{name}"
+            sprite[key] = {"x": 0, "y": y, "width": w, "height": h, "pixelRatio": 1}
+            meta.update({"sprite_key": key, "x": 0, "y": y})
+            metadata[name] = meta
+            y += h
+            pngs.append(pp)
+
+        out_png = args.output_prefix.with_suffix(".png")
+        out_json = args.output_prefix.with_suffix(".json")
+        subprocess.run([
+            "convert", str(args.base_sprite_png), *[str(p) for p in pngs],
+            "-background", "none", "-gravity", "west", "-append", str(out_png)
+        ], check=True)
+        out_json.write_text(json.dumps(sprite, ensure_ascii=False, indent=2), encoding="utf-8")
+        args.output_prefix.with_name(args.output_prefix.name + "-pattern-metadata.json").write_text(
+            json.dumps(metadata, ensure_ascii=False, indent=2), encoding="utf-8"
+        )
+
+    w, h = _png_size(out_png)
+    print(json.dumps({
+        "schema": "navsea.cm95.s52-vector-pattern-sprite/v1",
+        "palette": args.palette,
+        "vector_pattern_count": len(names),
+        "vector_patterns": names,
+        "base_sprite": {"width": base_w, "height": base_h},
+        "output_sprite": {"width": w, "height": h},
+        "sprite_entry_count": len(sprite),
+    }, ensure_ascii=False, indent=2))
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())