Adjust x-axis tick angle, bar gap, and date formatting in visualizations

app.py

@@ -139,7 +139,7 @@ def create_visualizations():
         swaps_per_chain,
         x="date",
         y="swap_count",
-        color="Transaction Chain",
+        color="sending_chain",
         title="Chain Daily Activity: Swaps",
         labels={"sending_chain": "Transaction Chain", "swap_count": "Daily Swap Nr"},
         barmode="stack"
@@ -167,7 +167,7 @@ def create_visualizations():
         bridges_per_chain,
         x="date",
         y="bridge_count",
-        color="Transaction Chain",
+        color="sending_chain",
         title="Chain Daily Activity: Bridges",
         labels={"bridge_count": "Daily Bridge Nr"},
         barmode="stack"
@@ -191,19 +191,14 @@ def create_visualizations():
         investment_per_agent,
         x="date",
         y="sending_amount_usd",
-        color="Transaction Chain",
+        color="sending_chain",
         title="Amount of Investment (USD) per Day",
         labels={"sending_amount_usd": "Investment Amount (USD)"},
         barmode="stack"
     )
     fig_investment_agent.update_layout(
         xaxis_title=None,
-        yaxis=dict(
-            title="Investment Amount (USD)",
-            tickmode='auto',
-            nticks=10,
-            tickformat='.2f'  # Show 2 decimal places
-        ),
+        yaxis=dict(tickmode='linear', tick0=0, dtick=1),
         xaxis=dict(
             tickmode='array',
             tickvals=investment_per_agent['date'],