fix: 修复中介导入成功条数计算错误

问题：
- 导入成功条数显示为负数
- 原因：成功数量计算使用 validRecords.size() - failures.size()
- 但没有使用实际的数据库操作返回值

修复：
- saveBatchWithUpsert 和 saveBatch 方法现在返回 int
- 累加实际的数据库影响行数
- 使用 actualSuccessCount 变量跟踪真实成功数量

影响范围：
- CcdiIntermediaryPersonImportServiceImpl
- CcdiIntermediaryEntityImportServiceImpl

doc/test-data/purchase_transaction/node_modules/binary/perf/small.js

@@ -0,0 +1,80 @@
+var Seq = require('seq');
+var Hash = require('hashish');
+
+var Bin = require('binary');
+var Buf = require('bufferlist/binary');
+var BufferList = require('bufferlist');
+var EventEmitter = require('events').EventEmitter;
+
+function binary (buf, cb) {
+    Bin(buf)
+        .word32le('x')
+        .word16be('y')
+        .word16be('z')
+        .word32le('w')
+        .tap(cb)
+    ;
+};
+
+function stream (buf, cb) {
+    var em = new EventEmitter;
+    Bin(em)
+        .word32le('x')
+        .word16be('y')
+        .word16be('z')
+        .word32le('w')
+        .tap(cb)
+    ;
+    em.emit('data', buf);
+};
+
+function parse (buf, cb) {
+    cb(Bin.parse(buf)
+        .word32le('x')
+        .word16be('y')
+        .word16be('z')
+        .word32le('w')
+        .vars
+    );
+};
+
+function bufferlist (buf, cb) {
+    var blist = new BufferList;
+    blist.push(buf);
+    Buf(blist)
+        .getWord32le('x')
+        .getWord16be('y')
+        .getWord16be('z')
+        .getWord32le('w')
+        .tap(cb)
+        .end()
+    ;
+};
+
+
+var buffers = [];
+for (var i = 0; i < 200; i++) {
+    buffers.push(new Buffer(12));
+}
+
+console.log('small');
+Seq(binary, stream, parse, bufferlist)
+    .seqEach(function (f) {
+        var t = this;
+        var t0 = Date.now();
+        Seq()
+            .extend(buffers)
+            .seqEach(function (buf) {
+                f(buf, this.bind(this, null));
+            })
+            .seq(function () {
+                var tf = Date.now();
+                console.log('    ' + f.name + ': ' + (tf - t0));
+                t(null);
+            })
+        ;
+    })
+    .seq(function () {
+        this(null);
+    })
+;