Revert "refactor: split picker module and improve diagnostics"

This reverts commit b36af7f78a.

code/th_01_base.js

@@ -1195,6 +1195,98 @@ function ToolHubLogger(procInfo) {
 
 ToolHubLogger.prototype._now = function() { return new Date().getTime(); };
 
+ToolHubLogger.prototype._initOnce = function() {
+  try {
+    if (FileIO.ensureDir(this.dir)) {
+      this.initOk = true;
+      this.cleanupOldFiles();
+    } else {
+      this.initOk = false;
+      this.lastInitErr = "Mkdirs failed: " + this.dir;
+    }
+  } catch (e) {
+    this.initOk = false;
+    this.lastInitErr = String(e);
+  }
+};
+
+ToolHubLogger.prototype.updateConfig = function(cfg) {
+  if (!cfg) return;
+  if (typeof cfg.LOG_KEEP_DAYS === "number") this.keepDays = cfg.LOG_KEEP_DAYS;
+  if (typeof cfg.LOG_ENABLE !== "undefined") this.enable = !!cfg.LOG_ENABLE;
+  if (typeof cfg.LOG_DEBUG !== "undefined") this.debug = !!cfg.LOG_DEBUG;
+};
+
+ToolHubLogger.prototype._line = function(level, msg) {
+  var ts = this._now();
+  var d = new Date(ts);
+  function pad2(x) { return (x < 10 ? "0" : "") + x; }
+  var t = d.getFullYear() + "-" + pad2(d.getMonth() + 1) + "-" + pad2(d.getDate()) +
+    " " + pad2(d.getHours()) + ":" + pad2(d.getMinutes()) + ":" + pad2(d.getSeconds());
+  return t + " [" + level + "] " + msg + "\n";
+};
+
+ToolHubLogger.prototype._scheduleFlush = function() {
+  if (this._flushTimer) try { this._flushTimer.cancel(); } catch(e) {}
+  var self = this;
+  this._flushTimer = new java.util.Timer();
+  this._flushTimer.schedule(new java.util.TimerTask({
+    run: function() { self._flushBuffer(); }
+  }), 3000); // 3秒后强制刷新
+};
+
+ToolHubLogger.prototype._flushBuffer = function() {
+  if (this._buffer.length === 0) return;
+  var content = this._buffer.join('');
+  this._buffer = [];
+  var path = this.dir + "/" + this.prefix + "_" + this._ymd() + ".log";
+  FileIO.appendText(path, content);
+};
+
+ToolHubLogger.prototype._ymd = function() {
+  var d = new Date();
+  return "" + d.getFullYear() +
+    ((d.getMonth() < 9 ? "0" : "") + (d.getMonth() + 1)) +
+    ((d.getDate() < 10 ? "0" : "") + d.getDate());
+};
+
+ToolHubLogger.prototype._write = function(level, msg) {
+  if (!this.enable) return false;
+  this._buffer.push(this._line(level, msg));
+
+  // 缓冲满或错误级别立即写入
+  if (this._buffer.length >= this._bufferSize || level === 'F' || level === 'E') {
+    this._flushBuffer();
+  } else {
+    this._scheduleFlush(); // 延迟写入
+  }
+  return true;
+};
+
+ToolHubLogger.prototype.d = function(msg) { if (this.debug) this._write("D", msg); };
+ToolHubLogger.prototype.i = function(msg) { this._write("I", msg); };
+ToolHubLogger.prototype.w = function(msg) { this._write("W", msg); };
+ToolHubLogger.prototype.e = function(msg) { this._write("E", msg); };
+ToolHubLogger.prototype.fatal = function(msg) { this._write("F", msg); this._flushBuffer(); };
+
+ToolHubLogger.prototype.cleanupOldFiles = function() {
+  try {
+    if (!this.initOk) return false;
+    var dirF = new java.io.File(this.dir);
+    var files = dirF.listFiles();
+    if (!files) return false;
+    var now = this._now();
+    var cutoff = now - this.keepDays * 24 * 60 * 60 * 1000;
+    for (var i = 0; i < files.length; i++) {
+      var f = files[i];
+      if (f && f.isFile() && f.getName().indexOf(this.prefix) === 0 && f.lastModified() < cutoff) {
+        f["delete"]();
+      }
+    }
+    return true;
+  } catch (e) { return false; };
+};
+
 ToolHubLogger.prototype._filePathForToday = function() {
   var name = this.prefix + "_" + this._ymd(this._now()) + ".log";
   return this.dir + "/" + name;