Initial project scaffold

Full-stack homeschool web app with FastAPI backend, Vue 3 frontend,
MySQL database, and Docker Compose orchestration. Includes JWT auth,
WebSocket real-time TV dashboard, schedule builder, activity logging,
and multi-child support.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/schemas/subject.py

@@ -0,0 +1,24 @@
+from pydantic import BaseModel
+
+
+class SubjectCreate(BaseModel):
+    name: str
+    color: str = "#10B981"
+    icon: str = "📚"
+
+
+class SubjectUpdate(BaseModel):
+    name: str | None = None
+    color: str | None = None
+    icon: str | None = None
+    is_active: bool | None = None
+
+
+class SubjectOut(BaseModel):
+    id: int
+    name: str
+    color: str
+    icon: str
+    is_active: bool
+
+    model_config = {"from_attributes": True}