CODEX - Added modal colours for the Bells

backend/settings/models.py

@@ -1,11 +1,19 @@
 from pydantic import BaseModel
 from typing import List, Optional
 
+DEFAULT_NOTE_ASSIGNMENT_COLORS: List[str] = [
+    "#67E8F9", "#5EEAD4", "#6EE7B7", "#86EFAC",
+    "#BEF264", "#FDE68A", "#FCD34D", "#FBBF24",
+    "#FDBA74", "#FB923C", "#F97316", "#FB7185",
+    "#F87171", "#EF4444", "#DC2626", "#B91C1C",
+]
+
 
 class MelodySettings(BaseModel):
     available_languages: List[str] = ["en", "el", "sr"]
     primary_language: str = "en"
     quick_colors: List[str] = ["#FF5733", "#33FF57", "#3357FF", "#FFD700", "#FF69B4", "#8B4513"]
+    note_assignment_colors: List[str] = DEFAULT_NOTE_ASSIGNMENT_COLORS
     duration_values: List[int] = [
         0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180,
         240, 300, 360, 420, 480, 540, 600, 900,
@@ -16,4 +24,5 @@ class MelodySettingsUpdate(BaseModel):
     available_languages: Optional[List[str]] = None
     primary_language: Optional[str] = None
     quick_colors: Optional[List[str]] = None
+    note_assignment_colors: Optional[List[str]] = None
     duration_values: Optional[List[int]] = None

backend/settings/service.py

@@ -10,7 +10,10 @@ def get_melody_settings() -> MelodySettings:
     db = get_db()
     doc = db.collection(COLLECTION).document(DOC_ID).get()
     if doc.exists:
-        return MelodySettings(**doc.to_dict())
+        settings = MelodySettings(**doc.to_dict())
+        # Backfill newly introduced defaults into stored settings.
+        db.collection(COLLECTION).document(DOC_ID).set(settings.model_dump())
+        return settings
     # Create with defaults
     defaults = MelodySettings()
     db.collection(COLLECTION).document(DOC_ID).set(defaults.model_dump())
@@ -35,5 +38,6 @@ def update_melody_settings(data: MelodySettingsUpdate) -> MelodySettings:
     if "duration_values" in existing:
         existing["duration_values"] = sorted(existing["duration_values"])
 
-    doc_ref.set(existing)
-    return MelodySettings(**existing)
+    normalized = MelodySettings(**existing)
+    doc_ref.set(normalized.model_dump())
+    return normalized