Initial commit: aplicatie de cantarire si etichetare

Aplicatie Flask + SQLite pentru productie alimentara: cantarirea
componentelor unui produs finit si tiparirea etichetei prin QZ Tray.

- produse finite (retete) formate din componente cantarite
- designer vizual de etichete (mm/px, zona sigura, campuri variabile,
  cod QR cu continut din mai multe bucati)
- legare produs finit -> sablon de eticheta
- navigare pe doua taburi: Cantarire / Setari
- administrare: componente, produse finite, sabloane, campuri, istoric
- backup, resetare baza de date, checklist de pregatire, /healthz
- CLI de administrare si serviciu systemd pentru productie
- vendor/syncpulse-scale-bridge (GPL-3.0-or-later) pentru citirea cantarului

vendor/syncpulse-scale-bridge/scale_bridge/__init__.py

@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Copyright (C) 2026 Farshad Zamani — Cloudtart (https://cloudtart.com)
+# Additional terms under GPLv3 section 7(b): see NOTICE.md.
+"""
+SyncPulse Scale Bridge — a universal RS-232 scale reader and network bridge.
+
+Plug a weighing scale's serial cable into a Windows PC, run one program, and
+it finds the port, the speed and the protocol by itself, shows the live
+weight, and serves it on the local network for any other system to read.
+"""
+
+__version__ = "1.1.2"
+
+PRODUCT = "SyncPulse Scale Bridge"
+SERVICE_ID = "syncpulse-scale-bridge"
+EXE_NAME = "SyncPulseScaleBridge"
+
+# Authorship. Keeping these visible in the user interface is a condition of
+# the licence (GPLv3 section 7(b), see NOTICE.md).
+AUTHOR = "Farshad Zamani"
+COMPANY = "Cloudtart"
+WEBSITE = "https://cloudtart.com"
+GITHUB = "https://github.com/farshad-zamani"
+LINKEDIN = "https://www.linkedin.com/in/farshad-zamani92/"
+REPOSITORY = "https://github.com/farshad-zamani/syncpulse-scale-bridge"
+PLATFORM = "SyncPulse"
+LICENSE_ID = "GPL-3.0-or-later"
+COPYRIGHT = f"Copyright (C) 2026 {AUTHOR} - {COMPANY}"
+
+ABOUT = {
+    "product": PRODUCT,
+    "version": __version__,
+    "author": AUTHOR,
+    "company": COMPANY,
+    "website": WEBSITE,
+    "github": GITHUB,
+    "linkedin": LINKEDIN,
+    "repository": REPOSITORY,
+    "platform": PLATFORM,
+    "license": LICENSE_ID,
+    "copyright": COPYRIGHT,
+}