From 7927fcdc04b8aeb449aae83a05998f24081a9436 Mon Sep 17 00:00:00 2001
From: Jahan Ravi <astronaut@Jahans-MacBook-Air.local>
Date: Thu, 18 Dec 2025 15:13:44 +0530
Subject: [PATCH 1/2] Fix Solara render crash for CellAgent visualization

---
 examples/hotelling_law/app.py | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/examples/hotelling_law/app.py b/examples/hotelling_law/app.py
index ec195ede..e69bab89 100644
--- a/examples/hotelling_law/app.py
+++ b/examples/hotelling_law/app.py
@@ -123,13 +123,20 @@ def SpaceDrawer(model):
     jitter_amount = 0.3  # Jitter for visual separation
 
     for agent in model.agents:
+        if (
+            not hasattr(agent, "cell")
+            or agent.cell is None
+            or agent.cell.coordinate is None
+        ):
+            continue
+
+        pos = agent.cell.coordinate
         portrayal = agent_portrayal(agent)
 
-        # Track store agents for cell coloring
         if isinstance(agent, StoreAgent):
-            if agent.pos not in cell_store_contents:
-                cell_store_contents[agent.pos] = []
-            cell_store_contents[agent.pos].append(portrayal)
+            if pos not in cell_store_contents:
+                cell_store_contents[pos] = []
+            cell_store_contents[pos].append(portrayal)
 
     # Color cells based on store occupancy
     for pos, stores in cell_store_contents.items():
@@ -138,7 +145,7 @@ def SpaceDrawer(model):
         for i, store in enumerate(stores):
             # Calculate rectangle position and size for
             # each store's portion of the cell
-            rect_x = pos[0] + (i * width)
+            rect_x = pos[0] + (i * width)           
             rect_y = pos[1]
             rect = patches.Rectangle(
                 (rect_x, rect_y),
@@ -151,10 +158,20 @@ def SpaceDrawer(model):
             ax.add_patch(rect)
 
     # Jittered scatter plot for all agents
+  # Jittered scatter plot for all agents
     for agent in model.agents:
+        if (
+            not hasattr(agent, "cell")
+            or agent.cell is None
+            or agent.cell.coordinate is None
+        ):
+            continue
+
         portrayal = agent_portrayal(agent)
-        jitter_x = np.random.uniform(-jitter_amount, jitter_amount) + agent.pos[0] + 0.5
-        jitter_y = np.random.uniform(-jitter_amount, jitter_amount) + agent.pos[1] + 0.5
+        pos = agent.cell.coordinate
+
+        jitter_x = np.random.uniform(-jitter_amount, jitter_amount) + pos[0] + 0.5
+        jitter_y = np.random.uniform(-jitter_amount, jitter_amount) + pos[1] + 0.5
 
         ax.scatter(
             jitter_x,

From 893f4379d5cd5fc31fb4b30baa03cb41391a8a15 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Thu, 18 Dec 2025 11:08:48 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 examples/hotelling_law/app.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/hotelling_law/app.py b/examples/hotelling_law/app.py
index e69bab89..2ebc63be 100644
--- a/examples/hotelling_law/app.py
+++ b/examples/hotelling_law/app.py
@@ -145,7 +145,7 @@ def SpaceDrawer(model):
         for i, store in enumerate(stores):
             # Calculate rectangle position and size for
             # each store's portion of the cell
-            rect_x = pos[0] + (i * width)           
+            rect_x = pos[0] + (i * width)
             rect_y = pos[1]
             rect = patches.Rectangle(
                 (rect_x, rect_y),
@@ -158,7 +158,7 @@ def SpaceDrawer(model):
             ax.add_patch(rect)
 
     # Jittered scatter plot for all agents
-  # Jittered scatter plot for all agents
+    # Jittered scatter plot for all agents
     for agent in model.agents:
         if (
             not hasattr(agent, "cell")