Scoped DB role + own theme colour (port log E17)

- Split database.py into a runtime engine (scoped `kds` DB role, used for
  all request handling) and a migration engine (privileged `kitchen` role,
  used only at startup to create KDS's own tables and ALTER kitchen_settings)
  — KDS previously shared kitchen's full-access DB credential wholesale
- Dispose both engines on shutdown (main.py)
- Fix theme colour clash: KDS was accidentally seeded with kitchen's teal
  (#0d9488) instead of its own colour — now #ea580c (orange), regenerated
  PWA icons to match

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
jtricerolph 2026-08-06 14:45:01 +00:00
parent 870027faca
commit 23889315f5
7 changed files with 4446 additions and 47 deletions

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