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This PR adds local Wi‑Fi backup transfer between 3DS consoles.#528

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This PR adds local Wi‑Fi backup transfer between 3DS consoles.#528
edu1010 wants to merge 5 commits into
BernardoGiordano:masterfrom
edu1010:master

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@edu1010 edu1010 commented Apr 12, 2026

This PR adds local Wi-Fi backup transfer between 3DS consoles in Checkpoint.

What this adds

  • New Transfer flow in the 3DS UI (Send / Receive).

  • Receiver mode with IP / port / PIN token display.

  • Sender upload of the selected save/extdata backup over HTTP multipart.

  • Receiver endpoints for transfer negotiation and upload handling.

  • Support for both:

    • single-file backups (direct send)
    • multi-file backups (ZIP package + extraction)
  • Post-transfer completion state, automatic title list refresh.

edu1010 added 5 commits March 2, 2026 02:15
- fix const-correctness in Title API used by transfer (`id()` and `shortDescription()`)
- fix `Server::isRunning()` by using an explicit atomic runtime state
- replace deprecated `std::wstring_convert` usage with `StringUtils::UTF16toUTF8`
- mark pending ZIP transfer helpers/constants as `[[maybe_unused]]` to avoid noise
- make `ccache` optional in 3DS Makefile to remove repeated "which: no ccache" output
- set `GIT_REV` fallback to `unknown` when building outside a git repository
Make file sending compatible with savedata containing multiple internal files. Also translated some remaining parts that were still in Spanish into English. UI update after receiving data is still pending—currently, data only displays after closing and reopening. Additionally, some interface elements still need to be updated to improve clarity and consistency.
- add receiver completion and pending-refresh state, and trigger a full titles refresh from `MainScreen`
- improve transfer overlays (clearer send/receive prompt, shortcuts, and post-receive confirmation view)
- add fallback mapping by title name when title ID is missing/mismatched, with clearer user notices
- include folder entries in ZIP packaging and return a specific error for empty backups
- harden ZIP read/write and HTTP response handling to report corruption and receiver-side errors
- normalize line endings in GitHub issue templates
@BernardoGiordano
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Thanks for the contribution. I'll review as soon as I can

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