优化原理图管理功能

[Glavo]

No description provided.

[Copilot]

Pull Request Overview

This PR enhances schematic (Litematic) file management by extracting detailed metadata, adding localization for schematics folders, and updating the UI to expose schematics in the version page.

• Extract multiple metadata fields (preview image, name, author, timestamps, block/volume counts, enclosure size) and region count in LitematicFile
• Add “folder.schematics” entries to English and Chinese resource bundles
• Include a “Schematics” item in the VersionPage browse menu

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
HMCLCore/src/main/java/org/jackhuang/hmcl/schematic/LitematicFile.java	Refactored constructor to pull out metadata fields and region count; replaced on-the-fly tag lookups in getters
HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties	Added Simplified Chinese key for schematics folder
HMCL/src/main/resources/assets/lang/I18N_zh.properties	Added Traditional Chinese key for schematics folder
HMCL/src/main/resources/assets/lang/I18N.properties	Added English key for schematics folder
HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionPage.java	Added “Schematics” menu item to version page browse menu

Comments suppressed due to low confidence (3)

HMCLCore/src/main/java/org/jackhuang/hmcl/schematic/LitematicFile.java:110

• The local variable previewImageData shadows the class field of the same name. Consider renaming the local tag variable to previewImageTag for clarity.

Tag previewImageData = metadata.get("PreviewImageData");

HMCLCore/src/main/java/org/jackhuang/hmcl/schematic/LitematicFile.java:124

• The local variable enclosingSize shadows the class field. Rename it to something like localEnclosingSize to avoid confusion.

Point3D enclosingSize = null;

HMCLCore/src/main/java/org/jackhuang/hmcl/schematic/LitematicFile.java:143

• There are several new getters (e.g., getVersion, getRegionCount, getEnclosingSize) and parsing paths; consider adding unit tests to verify metadata extraction and default behaviors.

public int getVersion() {