sync: dev to extern-contrib

[github-actions]

sync-branches: New code has just landed in dev, so let's bring extern-contrib up to speed!

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Summary by cubic

Brings dev into extern-contrib, fixing the account settings and profile pages after the site migration, enforcing Chinese across the UI, and keeping the navbar spacer visible under browser cosmetic filters.

• Restores account menu, changelog access, badge editing, and AC code export on the migrated account page; old account links redirect to the current page.
• Restores profile identity info, rating, tags, solved problems, and last-online time, and rewrites the submission/correct history chart to a single clear chart with theme-aware styling.
• Forces XMOJ_LANG=zh at document-start for classic and web pages, hides language options in account forms, and removes the language switcher.
• Prevents browser cosmetic filters from hiding the navbar spacer.
• Adds Playwright and unit tests covering account settings, Chinese enforcement, profile rendering, and the navbar spacer.

^{Written for commit 7fca414. Summary will update on new commits.}

Summary by Sourcery

Upgrade the userscript with unified Chinese localization, richer profile and account-management features, and more resilient page and API handling.

New Features:

• Add a unified Chinese-language experience across classic and contest web pages, including account-language enforcement and resilient fallback handling.
• Enhance user profiles with solved-problem listings, activity and result charts, avatars, ratings, last-online status, and administrator badge actions.
• Add badge loading and editing tools to the migrated account settings page while preserving the native account form.
• Redirect obsolete account-settings links to the migrated account page and update related navigation.

Bug Fixes:

• Prevent profile and account-page enhancements from destroying native forms, listeners, or server-provided content.
• Improve API failure handling with timeouts, transport-error reporting, and protection against late responses.

Enhancements:

• Refactor profile and account-page processing to avoid executing unsafe embedded scripts and to preserve native page behavior.

Build:

• Bump the script and package version to 3.8.3 and include the expanded test suites in the test command.

Documentation:

• Update the documented contest-page behavior to reflect the unified Chinese interface.

Tests:

• Add browser and unit coverage for account settings, Chinese-language enforcement, profile rendering, charts, badge operations, redirects, and API failure recovery.

Chores:

• Add update metadata for the new release.

[cloudflare-workers-and-pages]

Deploying xmoj-script-dev-channel with    Cloudflare Pages

Latest commit:	7fca414
Status:	✅  Deploy successful!
Preview URL:	https://6c076ae5.xmoj-script-dev-channel.pages.dev

View logs

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[sourcery-ai]

Reviewer's Guide

Version 3.8.3 introduces centralized Chinese-language enforcement, migrates account settings and badge workflows to the current site routes, substantially modernizes profile rendering while preserving native behavior, and adds extensive browser regression coverage for the new flows.

Sequence diagram for centralized Chinese-language enforcement

sequenceDiagram
    participant Page
    participant XMOJScript
    participant ContestWebApp
    participant SessionStorage

    XMOJScript->>Page: InitializeChineseLanguage()
    Page-->>XMOJScript: initiallyEnglishLanguage
    XMOJScript->>XMOJScript: EnsureChinesePage()
    XMOJScript->>XMOJScript: EnforceChineseView()
    XMOJScript->>ContestWebApp: EnforceChineseView(root)
    alt Contest web app was initially English
        XMOJScript->>SessionStorage: setItem(retryKey, pageKey)
        XMOJScript->>Page: location.reload()
    else Preference already applied or legacy page
        XMOJScript-->>Page: Continue page initialization
    end

Loading

Sequence diagram for account badge loading and saving

sequenceDiagram
    actor User
    participant AccountPage
    participant XMOJScript
    participant XMOJAPI
    participant LocalStorage

    AccountPage->>XMOJScript: InitializeAccountFeatures(authenticated)
    XMOJScript->>XMOJScript: InitializeAccountBadgeEditor()
    XMOJScript->>XMOJScript: InitializeAccountBadgeLoading(content, background, color, status)
    XMOJScript->>XMOJAPI: RequestAPI(GetBadge, UserID)
    XMOJAPI-->>XMOJScript: badge data
    XMOJScript-->>AccountPage: Enable badge fields
    User->>AccountPage: Click 修改标签
    AccountPage->>XMOJScript: SaveAccountBadge(content, background, color)
    XMOJScript->>XMOJAPI: RequestAPI(EditBadge, UserID, Content, BackgroundColor, Color)
    XMOJAPI-->>XMOJScript: Success or error
    alt Success
        XMOJScript->>LocalStorage: remove badge cache keys
        XMOJScript-->>AccountPage: 显示修改成功
    else Failure
        XMOJScript-->>AccountPage: 显示错误并允许重试
    end

Loading

File-Level Changes

Change	Details	Files
Adds a Chinese-only language enforcement flow across classic pages and the Vue contest app.	Sets the language cookie at document start before app navigation requests. Hides language selectors and activates Chinese content without replacing Vue-owned DOM. Preserves account language fields and forces Chinese values during form submission. Adds guarded reload and retry behavior for English contest-app sessions.	XMOJ.user.js README.md tests/chinese-language.test.cjs tests/contest-web.test.cjs
Migrates account settings to the current route while adding resilient badge management.	Redirects legacy account links and updates menu/changelog destinations. Keeps the native account form, fields, CSRF data, and submit handlers intact. Adds asynchronous badge loading, editing, validation, cache invalidation, retry, and transport-error handling. Extends RequestAPI with timeouts, HTTP/parse/transport failure callbacks, and duplicate-completion protection.	XMOJ.user.js tests/account-settings.test.cjs
Reworks user profiles into a richer, non-destructive profile presentation.	Extracts solved problems and activity data from rendered HTML without evaluating page scripts. Adds avatar, rating, last-online status, solved links, badges, admin badge controls, and localized profile metadata. Replaces legacy chart rendering with responsive SVG activity and CSS-conic-gradient result charts. Moves native statistics and links instead of recreating them, preserving their handlers and data.	XMOJ.user.js tests/profile-page.test.cjs tests/fixtures/profile.html
Updates release metadata and broadens automated regression coverage.	Bumps the userscript and package versions to 3.8.3. Registers account, language, and profile test suites in the package test command. Adds browser and VM coverage for redirects, form preservation, retries, parsing safety, chart rendering, and initialization order.	XMOJ.user.js package.json Update.json README.md tests/account-settings.test.cjs tests/chinese-language.test.cjs tests/profile-page.test.cjs tests/contest-web.test.cjs

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