0.6.1: la Home non si apriva (doppio Component.onCompleted); controllo automatico delle assegnazioni duplicate

README.md

@@ -156,6 +156,11 @@ Verified so far:
   separator and the currency position follow the language (verified for both)
 - `qmllint` clean on every QML file. Note it validates syntax only: without the
   Silica module an invalid Silica property passes silently
+- **no duplicate property assignment** in the QML (`tests/qml_check_bindings.py`,
+  13 files): assigning the same property twice in one object — two
+  `Component.onCompleted` in a page, typically — makes Qt 5.6 fail to create the
+  object, and all you see on the device is `Type MainPage unavailable` with no
+  file named. The check runs in milliseconds and names the line
 - read-only queries against one real Aira Home unit, through the bridge —
   including the cloud statistics, which match what the official app shows for
   the same period (heat produced 70.8 kWh, electricity 29.3 kWh, hot-water COP
@@ -223,6 +228,7 @@ qml/components/NoticeBar.qml    command messages, anchored to the bottom edge
 qml/components/ActionButton.qml command button, optional confirmation
 tests/core_test.cpp     core checks (headless)
 tests/ui_contract_check.py  QML keys vs bridge keys (bridge must be running)
+tests/qml_check_bindings.py duplicate property assignments in the QML
 bridge/                 local HTTP bridge -> see bridge/README.md
 translations/           harbour-aira-it.ts (English is the source language)
 docs/PIANO.md           project plan and decisions (Italian)