feat: complete S-52 resource contract

tools/cm95_s52_vector_pattern_sprite.py

@@ -155,7 +155,12 @@ def main() -> int:
     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("--usage-audit", type=Path)
+    ap.add_argument(
+        "--all-patterns",
+        action="store_true",
+        help="Compile every vector S-52 pattern in chartsymbols.xml; production resource bundles should use this.",
+    )
     ap.add_argument(
         "--usage-pbf",
         type=Path,
@@ -174,7 +179,11 @@ def main() -> int:
     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"))
+    usage = (
+        json.loads(args.usage_audit.read_text(encoding="utf-8"))
+        if args.usage_audit is not None
+        else {}
+    )
     lookup_used = {str(row[0]) for row in usage.get("pattern_resource_counts", [])}
     pbf_used: set[str] = set()
     if args.usage_pbf is not None:
@@ -191,13 +200,12 @@ def main() -> int:
                 if value not in (None, ""):
                     pbf_used.add(str(value))
     used = sorted(lookup_used | pbf_used)
+    selected = sorted(by_name) if args.all_patterns else used
     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
+        name for name in selected
+        if name in by_name and by_name[name].find("vector") is not None
     ]
-    missing = [name for name in used if name not in by_name]
+    missing = [name for name in selected if name not in by_name]
     if missing:
         raise SystemExit(f"missing patterns: {missing}")