fix: MCPCをvendored fork化しMCP準拠と接続安定性を改善

- Git submoduleを廃止してMCPCを直接管理
- Windowsで254リクエスト付近に発生する切断を修正
- JSON-RPC 2.0エラー応答を標準化
- tool schemaとruntimeの必須・任意引数を一致
- 1000回連続呼び出しの回帰テストを追加

1 files changed, 60 insertions, 0 deletions

diff --git a/third_party/mcpc/src/complt.h b/third_party/mcpc/src/complt.h
new file mode 100644
index 0000000..c11dc3f
--- /dev/null
+++ b/third_party/mcpc/src/complt.h
@@ -0,0 +1,60 @@
+// This file is part of the mcpc library.
+//
+// Copyright (C) 2025 Michael Lee <micl2e2 AT proton.me>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions: 
+// 
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software. 
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef h_complt
+#define h_complt
+
+// not supposed to be used by lib users
+
+#include <mcpc/_c23_keywords.h>
+#include <mcpc/_c23_uchar.h>
+
+#include "ext_string.h"
+
+#include <mcpc/anydata.h>
+
+#include "errcode.h"
+
+#include "prmpt.h"
+#include "rsc.h"
+
+
+typedef mcpc_anydata_t mcpc_complt_t;
+typedef mcpc_anydata_t mcpc_compltcand_t;
+
+mcpc_complt_t *mcpc_complt_new_prmptarg (const mcpc_prmpt_t * prmpt, const char8_t * argname, size_t argname_len,
+					 const char8_t * argval, size_t argval_len);
+
+mcpc_complt_t *mcpc_complt_new_rsc (const mcpc_rscpool_t * rscpool, const char8_t * uri, size_t uri_len);
+
+void mcpc_complt_free (mcpc_complt_t * complt);
+
+const mcpc_compltcand_t *mcpc_complt_get_next_compltcand (const mcpc_complt_t * complt);
+
+mcpc_errcode_t mcpc_complt_get_compltcandi_len (const mcpc_complt_t * complt, size_t *ret);
+
+
+mcpc_errcode_t
+mcpc_compltcand_getref_u8str (const mcpc_compltcand_t * compltcand, const char8_t ** ret, size_t *ret_len);
+
+
+
+#endif