重构仓库目录为统一的 runtime 分层并清理历史 openclaw 残留。

本次迁移将网关/通道/工具/技能/脚本与协议资源集中到新结构，统一路径常量与脚本转发机制，减少顶层噪音并保证运行与测试行为一致。

Made-with: Cursor

interfaces/gateway/server_methods/attachment_normalize.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+import base64
+from typing import Any
+
+
+def _normalize_attachment_content(content: Any) -> str | None:
+    if isinstance(content, str):
+        return content
+    if isinstance(content, (bytes, bytearray, memoryview)):
+        b = bytes(content)
+        return base64.b64encode(b).decode("ascii")
+    return None
+
+
+def normalize_rpc_attachments_to_chat_attachments(attachments: list[dict[str, Any]] | None) -> list[dict[str, Any]]:
+    out: list[dict[str, Any]] = []
+    for a in attachments or []:
+        if not isinstance(a, dict):
+            continue
+        source = a.get("source")
+        source_mime = None
+        source_content = None
+        if isinstance(source, dict):
+            st = source.get("type")
+            if isinstance(st, str) and st == "base64":
+                media_type = source.get("media_type")
+                if isinstance(media_type, str):
+                    source_mime = media_type
+                source_content = _normalize_attachment_content(source.get("data"))
+
+        item = {
+            "type": a.get("type") if isinstance(a.get("type"), str) else None,
+            "mimeType": a.get("mimeType") if isinstance(a.get("mimeType"), str) else source_mime,
+            "fileName": a.get("fileName") if isinstance(a.get("fileName"), str) else None,
+            "content": _normalize_attachment_content(a.get("content")) or source_content,
+        }
+        if item.get("content"):
+            out.append(item)
+    return out
+