🐛 fix(ci): 修正 DuckDB Windows 动态链接参数

- 统一 Windows DuckDB 动态库构建使用的 CGO LDFLAGS
- 为 workflow 中的 DuckDB 库目录补充 GCC 友好的路径格式
- 补充 DuckDB Windows 动态链接参数的回归测试

.github/workflows/dev-build.yml

@@ -616,7 +616,10 @@ jobs:
             echo "🔧 构建 ${OUTPUT_PATH} (tags=${BUILD_TAGS})"
             if [ "$DRIVER" = "duckdb" ]; then
               if [ -n "$DUCKDB_LIB_DIR" ]; then
-                CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" CGO_LDFLAGS="-L${DUCKDB_LIB_DIR} -lduckdb" PATH="${DUCKDB_LIB_DIR}:$PATH" go build \
+                DUCKDB_LIB_DIR_GCC="$(cygpath -m "$DUCKDB_LIB_DIR")"
+                DUCKDB_LIB_DIR_PATH="$(cygpath -u "$DUCKDB_LIB_DIR")"
+                DUCKDB_WINDOWS_CGO_LDFLAGS="-L${DUCKDB_LIB_DIR_GCC} -lduckdb -lstdc++ -lm -lws2_32 -lwsock32 -lrstrtmgr"
+                CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" CGO_LDFLAGS="${DUCKDB_WINDOWS_CGO_LDFLAGS}" PATH="${DUCKDB_LIB_DIR_PATH}:$PATH" go build \
                   -tags "${BUILD_TAGS}" \
                   -trimpath \
                   -ldflags "-s -w" \

.github/workflows/release.yml

@@ -614,7 +614,10 @@ jobs:
             echo "🔧 构建 ${OUTPUT_PATH} (tags=${BUILD_TAGS})"
             if [ "$DRIVER" = "duckdb" ]; then
               if [ -n "$DUCKDB_LIB_DIR" ]; then
-                CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" CGO_LDFLAGS="-L${DUCKDB_LIB_DIR} -lduckdb" PATH="${DUCKDB_LIB_DIR}:$PATH" go build \
+                DUCKDB_LIB_DIR_GCC="$(cygpath -m "$DUCKDB_LIB_DIR")"
+                DUCKDB_LIB_DIR_PATH="$(cygpath -u "$DUCKDB_LIB_DIR")"
+                DUCKDB_WINDOWS_CGO_LDFLAGS="-L${DUCKDB_LIB_DIR_GCC} -lduckdb -lstdc++ -lm -lws2_32 -lwsock32 -lrstrtmgr"
+                CGO_ENABLED=1 GOOS="$GOOS" GOARCH="$GOARCH" CGO_LDFLAGS="${DUCKDB_WINDOWS_CGO_LDFLAGS}" PATH="${DUCKDB_LIB_DIR_PATH}:$PATH" go build \
                   -tags "${BUILD_TAGS}" \
                   -trimpath \
                   -ldflags "-s -w" \

internal/app/methods_driver.go

@@ -3835,7 +3835,7 @@ func buildOptionalDriverAgentFromSource(definition driverDefinition, executableP
 		duckDBLibDir = libDir
 		cleanupDuckDBLib = cleanup
 		defer cleanupDuckDBLib()
-		env = withEnvValue(env, "CGO_LDFLAGS", fmt.Sprintf("-L\"%s\" -lduckdb", filepath.ToSlash(duckDBLibDir)))
+		env = withEnvValue(env, "CGO_LDFLAGS", duckDBWindowsDynamicLibraryCGOLDFlags(duckDBLibDir))
 		env = prependPathEnv(env, duckDBLibDir)
 	}
 	buildArgs = append(buildArgs, "-o", executablePath, "./cmd/optional-driver-agent")
@@ -4129,6 +4129,20 @@ func withEnvValue(env []string, key string, value string) []string {
 	return append(env, entry)
 }
 
+func duckDBWindowsDynamicLibraryCGOLDFlags(libDir string) string {
+	normalizedDir := filepath.ToSlash(strings.TrimSpace(libDir))
+	parts := []string{
+		fmt.Sprintf("-L\"%s\"", normalizedDir),
+		"-lduckdb",
+		"-lstdc++",
+		"-lm",
+		"-lws2_32",
+		"-lwsock32",
+		"-lrstrtmgr",
+	}
+	return strings.Join(parts, " ")
+}
+
 func envValue(env []string, key string) string {
 	normalizedKey := strings.ToUpper(strings.TrimSpace(key))
 	for _, item := range env {

internal/app/methods_driver_version_test.go

@@ -427,6 +427,23 @@ func TestDuckDBWindowsBuildUsesDynamicLibraryTag(t *testing.T) {
 	}
 }
 
+func TestDuckDBWindowsDynamicLibraryCGOLDFlagsIncludeSupportLibraries(t *testing.T) {
+	flags := duckDBWindowsDynamicLibraryCGOLDFlags(`C:\tmp\duckdb lib`)
+	for _, expected := range []string{
+		`-L"C:/tmp/duckdb lib"`,
+		"-lduckdb",
+		"-lstdc++",
+		"-lm",
+		"-lws2_32",
+		"-lwsock32",
+		"-lrstrtmgr",
+	} {
+		if !strings.Contains(flags, expected) {
+			t.Fatalf("expected flags %q to contain %q", flags, expected)
+		}
+	}
+}
+
 func TestInstallOptionalDriverAgentFromLocalZipExtractsDuckDBDLL(t *testing.T) {
 	if runtime.GOOS != "windows" || runtime.GOARCH != "amd64" {
 		t.Skip("DuckDB DLL support file is only required on windows/amd64")