chore: 发布 v8.0.1

- 版本号统一更新至 v8.0.1（README 中英 badge / about.txt / xcli_core/constants.py 中央 VERSION / TUI banner / LSP·MCP clientInfo.version）
- CHANGELOG 新增 v8.0.1 条目，记录 Operit 转译层落地与 5 个已验证市场插件接入

lsp_client.py

@@ -268,7 +268,7 @@ class LspClient:
                 "workspace": {"workspaceFolders": True,
                                "configuration": True},
             },
-            "clientInfo": {"name": "xiaoli-cli", "version": "8.0"},
+            "clientInfo": {"name": "xiaoli-cli", "version": "8.0.1"},
         })
         if isinstance(result, dict):
             self.capabilities = result.get("capabilities", {}) or {}