docs(pbf): archive Full production provenance and engineering history

navsea_merge_unified_navmarks_layer.py

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+from __future__ import annotations
+
+import json
+import os
+import tempfile
+from concurrent.futures import ProcessPoolExecutor
+from pathlib import Path
+
+from navsea_tile_reencode_guard import decode_tile_with_extents, encode_layers_preserving_extents
+
+
+DELIVERY_ROOT = Path("/home/wwwroot/pbf-delivery-full-semantic-unified-20260808")
+NAVMARK_ROOT = Path("/home/wwwroot/pbf-navmarks-semantic-unified-20260808")
+
+
+def merge_one(nav_path_str: str) -> int:
+    nav_path = Path(nav_path_str)
+    rel = nav_path.relative_to(NAVMARK_ROOT)
+    target = DELIVERY_ROOT / rel
+    if not target.exists():
+        return 0
+    base, extents = decode_tile_with_extents(target.read_bytes())
+    nav, nav_extents = decode_tile_with_extents(nav_path.read_bytes())
+    nav_layer = nav.get("navigation_marks")
+    if nav_layer is None:
+        return 0
+    nav_layer = {"name": "navigation_marks", "features": nav_layer.get("features", [])}
+    merged = []
+    replaced = False
+    for layer_name, layer in base.items():
+        if layer_name == "navigation_marks":
+            merged.append(nav_layer)
+            replaced = True
+        else:
+            merged.append({"name": layer_name, "features": layer.get("features", [])})
+    if not replaced:
+        merged.append(nav_layer)
+        extents["navigation_marks"] = nav_extents.get("navigation_marks", 4096)
+    encoded = encode_layers_preserving_extents(merged, extents)
+    target.parent.mkdir(parents=True, exist_ok=True)
+    with tempfile.NamedTemporaryFile(dir=target.parent, prefix=target.name + ".", delete=False) as handle:
+        temp_path = Path(handle.name)
+        handle.write(encoded)
+    os.replace(temp_path, target)
+    return 1
+
+
+def main() -> None:
+    paths = [str(path) for path in NAVMARK_ROOT.rglob("*.pbf")]
+    with ProcessPoolExecutor(max_workers=8) as executor:
+        merged = sum(executor.map(merge_one, paths, chunksize=64))
+    print(json.dumps({"navmark_tiles": len(paths), "merged_tiles": merged, "delivery_root": str(DELIVERY_ROOT)}, ensure_ascii=False, indent=2))
+
+
+if __name__ == "__main__":
+    main()