refactor: 工程标准化 — 组件提取、废弃API清理、console清零

- ChatPage/GraphPage/SettingsPage 拆分为独立子组件
- MainPage 接入 ImmersiveTabNavigation 玻璃拟态导航
- EntryAbility console.* 全替换为 defaultLogger
- SplashPage replaceUrl 废弃 API 迁移到 UIContext Router
- common/Index.ets 双通道导出 Logger/defaultLogger
- 删除 dead code (entry/, commonbusiness/, trulymem-core/)
- 全工程 0 console.*，BUILD SUCCESSFUL

common/src/main/ets/util/Logger.ets

@@ -0,0 +1,31 @@
+import { hilog } from "@kit.PerformanceAnalysisKit";
+
+class Logger {
+  private domain: number;
+  private prefix: string;
+  private format: string = "%{public}s, %{public}s";
+
+  public constructor(prefix: string) {
+    this.prefix = prefix;
+    this.domain = 0xFF00;
+  }
+
+  public debug(...args: Object[]): void {
+    hilog.debug(this.domain, this.prefix, this.format, args);
+  }
+
+  public info(...args: Object[]): void {
+    hilog.info(this.domain, this.prefix, this.format, args);
+  }
+
+  public warn(...args: Object[]): void {
+    hilog.warn(this.domain, this.prefix, this.format, args);
+  }
+
+  public error(...args: Object[]): void {
+    hilog.error(this.domain, this.prefix, this.format, args);
+  }
+}
+
+export const defaultLogger = new Logger("[TrulyMEM]");
+export default defaultLogger;