feat(gui): 新增查看换盘G-code按钮，弹出只读窗口展示内容

a1_swap_mod_packer/i18n/en.json

@@ -1,6 +1,5 @@
 {
   "_lang": "English",
-
   "gui.file_group.title": "Input 3MF Files",
   "gui.file_group.table.header.order": "Order",
   "gui.file_group.table.header.file": "3MF File",
@@ -15,18 +14,15 @@
   "gui.file_group.table.tooltip_base_filament": "Base filament: {filament}",
   "gui.file_group.total_summary": "Total: {plates} plate(s) | Time: {time} | Filament: {filament}",
   "gui.file_group.total_summary.empty": "Total: 0 plates | Time: 0s | Filament: 0.00 g",
-
   "gui.button.add_3mf": "Add 3MF",
   "gui.button.remove": "Remove",
   "gui.button.remove_all": "Remove All",
   "gui.button.apply_copies": "Apply Default Copies to Selected",
   "gui.button.build": "Build 3MF",
-
   "gui.preview.title": "Selected Thumbnail",
   "gui.preview.select_hint": "Select an input file",
   "gui.preview.no_image": "No preview image",
   "gui.preview.unavailable": "Preview unavailable",
-
   "gui.options.group.title": "Packing Options",
   "gui.options.swap_gcode.label": "Swap G-code",
   "gui.options.refresh": "Refresh",
@@ -60,7 +56,6 @@
   "gui.options.skip_duplicates": "Skip duplicate file paths when adding inputs",
   "gui.options.input_handling": "Input handling",
   "gui.options.language": "Language",
-
   "gui.output.group.title": "Output",
   "gui.output.dir.label": "Output directory",
   "gui.output.dir.placeholder": "Leave empty to write next to the input file",
@@ -71,7 +66,6 @@
   "gui.output.filename_rule.help.tooltip": "Show filename token help",
   "gui.output.preview": "Preview",
   "gui.output.batch_preview": "{first} | {count} output file(s)",
-
   "gui.dialog.individual_batch.title": "Individual Batch Mode",
   "gui.dialog.individual_batch.text": "Individual batch mode treats every input row as a separate build.\n\nExample: if you add 20 single-plate 3MF files and set copies to 5, Build 3MF will create 20 separate packed files. Each output contains only that source file repeated 5 times.\n\nThis is useful for quickly batch-converting many independent 3MF jobs into multi-copy SwapMod packs. It does not combine all input files into one 3MF.",
   "gui.dialog.filename_help.title": "Output Filename Rule",
@@ -85,10 +79,8 @@
   "gui.dialog.add_files_title": "Add 3MF files",
   "gui.dialog.file_filter.3mf": "3MF files (*.3mf)",
   "gui.dialog.file_filter.all": "All files (*)",
-
   "gui.toast.combined_success": "The packed 3MF file was created.",
   "gui.toast.batch_success": "Created {count} packed 3MF file(s).",
-
   "gui.log.added_files": "Added {added} input file(s). Skipped {skipped}.",
   "gui.log.skipped_file": "Skipped {path}: {reason}",
   "gui.log.no_swap_files": "No swap G-code files found in {dir}",
@@ -99,6 +91,8 @@
   "gui.log.filament": "Estimated source filament: {filament}",
   "gui.log.md5": "G-code MD5: {md5}",
   "gui.log.build_error": "Error building {path}: {error}",
-
-  "format.unknown": "Unknown"
-}
+  "format.unknown": "Unknown",
+  "gui.button.close": "Close",
+  "gui.dialog.view_gcode.title": "View Swap G-code",
+  "gui.options.view_gcode": "View"
+}