fix(letsplot): address review feedback for bar-basic

Attempt 1/3 - fixes based on AI review

Author: github-actions[bot]

plots/bar-basic/implementations/letsplot.py

@@ -11,16 +11,26 @@
 LetsPlot.setup_html()  # noqa: F405
 
 # Data - Product sales by category
-categories = ["Electronics", "Clothing", "Home & Garden", "Sports", "Books", "Toys", "Food & Beverage"]
-values = [45200, 32800, 28500, 21300, 18700, 15400, 12100]
+categories = ["Electronics", "Clothing", "Home & Garden", "Sports", "Books", "Toys"]
+values = [45200, 32800, 28500, 21300, 18900, 15600]
 
 df = pd.DataFrame({"category": categories, "value": values})
 
+# Preserve category order
+df["category"] = pd.Categorical(df["category"], categories=categories, ordered=True)
+
 # Plot
 plot = (
     ggplot(df, aes(x="category", y="value"))  # noqa: F405
-    + geom_bar(stat="identity", fill="#306998", width=0.7)  # noqa: F405
+    + geom_bar(stat="identity", fill="#306998", width=0.6)  # noqa: F405
+    + geom_text(  # noqa: F405
+        aes(label="value"),  # noqa: F405
+        position=position_nudge(y=1500),  # noqa: F405
+        size=14,
+        label_format="${,}",
+    )
     + labs(x="Product Category", y="Sales ($)", title="Product Sales by Category")  # noqa: F405
+    + scale_y_continuous(limits=[0, 55000])  # noqa: F405
     + ggsize(1600, 900)  # noqa: F405
     + theme_minimal()  # noqa: F405
     + theme(  # noqa: F405