Remove retired Flutter Web test assets

[Redandan]

Summary

• keep redandan.github.io as the stable V2 test-site entry
• delete all retired Flutter Web, CanvasKit, app shell, game and static build artifacts
• retain only the redirect pages and cache-clearing service-worker tombstone
• remove stale release metadata and simplify cache-policy intent

Verification

• resulting tree contains exactly six small redirect/tombstone files
• service-worker JavaScript syntax passed
• redirect target is the isolated V2 test realm

[Copilot]

🟡 Changes recommended

The 404 redirect page does not perform the same SW/cache cleanup as index.html, which can break the “cache-clearing tombstone” behavior for deep links that land on 404.html.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

This PR removes a large set of retired Flutter Web / static site artifacts and trims the repository down to a minimal GitHub Pages “test-entry” redirect + service-worker tombstone that forwards traffic into the isolated V2 test realm.

Changes:

• Deleted retired Flutter Web build outputs, TG mini-app pages, landing pages, manifests, and related assets/tools.
• Removed stale release metadata from redirect pages.
• Simplified _headers to reflect the new redirect-only caching intent (kept as documentation for non-GitHub-Pages hosts).

File summaries

File	Description
web_vitals.js	Removed retired monitoring script asset.
wallet_api.js	Removed retired API helper script asset.
version.json	Removed stale release metadata file.
usdt_landing.css	Removed retired landing page stylesheet.
tg/store/tg_store_routing.js	Removed retired TG routing script asset.
tg/store/tg_store_routing.3c1c9eb7cd7e.js	Removed retired built TG routing script asset.
tg/slot/index.html	Removed retired TG slot entry page.
tg/group/admin/index.html	Removed retired TG admin entry page.
tg/error.html	Removed retired TG error page.
telegram-shop-with-usdt.html	Removed retired marketing/landing page.
sw_custom.template.js	Removed retired custom SW template (replaced by tombstone approach).
storefront_readiness.js	Removed retired storefront readiness telemetry helper.
spend-usdt-costco-taiwan.html	Removed retired marketing/landing page.
sitemap.xml	Removed retired sitemap artifact.
rpg/akina_launch_gate.js	Removed retired game launch-gating script.
robots.txt	Removed retired robots policy file.
pwa_viewport_fix.js	Removed retired viewport-fix stub.
passkey_helper.js	Removed retired passkey helper script.
offline.html	Removed retired offline fallback page.
offline_handler.js	Removed retired offline handler script.
marketplace-th.html	Removed retired localized landing page.
marketplace-en.html	Removed retired localized landing page.
manifest.json	Removed retired PWA manifest.
main.dart.1.0.1917.js_82.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_81.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_80.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_79.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_78.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_77.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_76.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_75.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_74.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_73.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_72.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_71.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_70.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_69.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_67.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_66.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_65.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_64.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_62.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_61.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_57.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_55.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_54.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_52.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_50.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_47.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_45.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_43.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_41.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_39.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_38.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_37.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_36.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_35.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_34.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_33.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_30.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_3.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_29.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_27.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_26.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_25.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_22.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_20.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_2.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_19.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_11.part.js	Removed retired Flutter deferred chunk artifact.
main.dart.1.0.1917.js_10.part.js	Removed retired Flutter deferred chunk artifact.
index.html	Removed stale release metadata meta tags; keeps redirect + cache/SW cleanup behavior.
icons/new_favicon/site.webmanifest	Removed retired manifest artifact.
icons/manifest.json	Removed retired manifest artifact.
icons/browserconfig.xml	Removed retired browserconfig artifact.
games/slot_runtime_manifest.json	Removed retired runtime manifest artifact.
games/dragon_hero/assets/hero/hero.atlas	Removed retired game asset artifact.
games/dragon_hero/_tools/gen_assets.mjs	Removed retired internal tooling script artifact.
games/_template/manifest.json	Removed retired template artifact.
games/_template/game.js	Removed retired template artifact.
games/_runtime/menu_manager.js	Removed retired runtime JS module.
games/_runtime/log_manager.js	Removed retired runtime JS module.
games/_runtime/flutter_bridge.js	Removed retired runtime JS module.
games/_runtime/animation_loop_manager.js	Removed retired runtime JS module.
flutter.js	Removed retired Flutter loader artifact.
flutter_bootstrap.js	Removed retired Flutter bootstrap artifact.
flutter_bootstrap.1.0.1917.js	Removed retired versioned bootstrap artifact.
categories-en.html	Removed retired localized landing page.
audio_analyzer.js	Removed retired helper script.
assets/web/icons/manifest.json	Removed retired copied manifest asset.
assets/web/icons/browserconfig.xml	Removed retired copied browserconfig asset.
assets/shaders/stretch_effect.frag	Removed retired shader asset.
assets/packages/flutter_js/assets/js/fetch.js	Removed retired vendored asset.
assets/packages/flutter_inappwebview/assets/t_rex_runner/t-rex.css	Removed retired vendored asset.
assets/FontManifest.json	Removed retired Flutter asset manifest.
assets/config/windows_download.json	Removed retired config metadata.
assets/assets/templates/costco_template.js	Removed retired template metadata asset.
assets/AssetManifest.bin.json	Removed retired Flutter asset manifest.
assets/AssetManifest.bin	Removed retired Flutter asset manifest.
assets/.env	Removed retired example env file.
4dea46f7753c459eb97e38888a2efa39.txt	Removed retired build marker artifact.
404.html	Removed stale release metadata meta tag; keeps redirect behavior.
.last_build_id	Removed retired build id artifact.
_headers	Simplified cache policy intent to redirect + SW tombstone only.

Review details

• Files reviewed: 57/218 changed files
• Comments generated: 1
• Review effort level: Lite

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[Copilot]

🟢 Approval recommended

The repo now cleanly reduces to a minimal redirect/tombstone surface (no remaining references to removed assets found), with only small, well-scoped updates to redirect pages and cache-intent headers.

Review details

• Files reviewed: 57/218 changed files
• Comments generated: 0 new
• Review effort level: Lite

[Redandan]

Addressed on 1a69c43: deep-link 404.html now unregisters all service workers, clears Cache Storage, waits at most 1.2 seconds, and only then redirects to the isolated V2 test realm. The redirect and tombstone checks pass, and the resulting tree still contains exactly six files.

[Copilot]

🟡 Changes recommended

404.html’s new cleanup-before-redirect logic can trigger unhandled promise rejections if the cleanup operations fail, and should swallow errors for best-effort behavior.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Review details

• Files reviewed: 57/218 changed files
• Comments generated: 1
• Review effort level: Lite

[Copilot]

🔵 Needs a closer look

The updated 404 redirect currently preserves /404.html when visited directly, which can redirect users to a likely-nonexistent /404.html path on the target realm.

Review details

Suppressed comments (1)

Previously missed (1) — in code that hasn't changed since the last review.

404.html:16

• The redirect URL construction preserves /404.html when this page is visited directly (or when a client path gets normalized to /404.html), which would redirect users to .../404.html on the target realm (likely a 404). Consider normalizing /404.html (and /index.html) to / the same way index.html does.

• Files reviewed: 57/218 changed files
• Comments generated: 0 new
• Review effort level: Lite

[Copilot]

🟢 Approval recommended

The repository contents are coherently reduced to redirect/tombstone assets, and the remaining redirect pages include best-effort service worker and cache cleanup before forwarding to the isolated V2 test realm.

Review details

• Files reviewed: 57/218 changed files
• Comments generated: 0 new
• Review effort level: Lite