feat: add shared scouting notes mvp

app/scouting/models.py

@@ -178,3 +178,22 @@ class FavoritePlayer(models.Model):
 
     def __str__(self) -> str:
         return f"Favorite: {self.player.full_name}"
+
+
+class PlayerNote(models.Model):
+    # Phase-2 MVP keeps notes shared within the local development environment so
+    # scouting observations can be used immediately without introducing auth yet.
+    player = models.ForeignKey(
+        Player,
+        on_delete=models.CASCADE,
+        related_name="notes",
+    )
+    body = models.TextField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ["-created_at", "-id"]
+
+    def __str__(self) -> str:
+        return f"Note for {self.player.full_name}"