Files
bambuddy/backend/tests
maziggy f87b5bb3b8 feat(diagnostic, archives): install step 4 — proactive check + reactive banner
Two complementary surfaces for the most-missed install step ("Store sent
  files on external storage"):

  1. Connection diagnostic check (printer-side variant)
     - Reads state.store_to_sdcard, parsed from MQTT home_flag bit 11.
     - Pass / fail / skip; instant, no I/O.
     - Catches the newer-firmware variant where the toggle moved onto the
       printer itself (P2S 01.02 / Studio 2.6+).

     An FTP upload-and-verify probe was tried first and rejected. /cache
     is always writable from Bambuddy regardless of the slicer setting;
     only BambuStudio's own behaviour changes when the toggle flips.
     Empirically confirmed against X1C + H2D with the slicer option
     toggled off: probe still succeeded, home_flag bit 11 stayed True.

  2. Archives-page banner (slicer-side variant)
     - The slicer-side toggle is invisible to the printer — older
       BambuStudio doesn't push the change to the printer. The diagnostic
       can't see it.
     - Symptom is deterministic: archiver creates rows with
       extra_data.no_3mf_available=True (main.py:2770) when it can't pull
       the 3MF from /cache after a slicer-initiated print.
     - New endpoint GET /archives/no-3mf-warning returns whether any
       archive in the last 30 days has the flag (excluding soft-deleted).
     - Amber dismissible banner at the top of /archives; one-shot
       localStorage dismissal (matches Layout.tsx update-banner pattern,
       but persistent across sessions).
     - React-Query disabled after dismissal so the endpoint isn't polled
       once the user has been told.
2026-06-09 12:20:01 +02:00
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