From 76253bb1e0ddd7584a7c492c1a31bacf7045ed7a Mon Sep 17 00:00:00 2001
From: William Grochocinski <williamgrochocinski@gmail.com>
Date: Fri, 7 Nov 2025 13:32:53 -0500
Subject: [PATCH 1/3] add `ty` as a dependency

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index ea45feb1..14e9bae0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
-dev = ["ruff>=0.14.2", "jupytext"]
+dev = ["ruff>=0.14.2", "jupytext", "ty"]
 docs = ["sphinx>=8.2.3", "sphinx-autoapi>=3.6.1", "sphinx-rtd-theme>=3.0.2"]
 notebooks = ["ipykernel"]
 

From c196d623c9afdb792abd14c329e95d04fc2fe131 Mon Sep 17 00:00:00 2001
From: William Grochocinski <williamgrochocinski@gmail.com>
Date: Fri, 7 Nov 2025 13:33:20 -0500
Subject: [PATCH 2/3] add CI GitHub action for ty

---
 .github/workflows/ty.yml | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 .github/workflows/ty.yml

diff --git a/.github/workflows/ty.yml b/.github/workflows/ty.yml
new file mode 100644
index 00000000..5ddd2d9e
--- /dev/null
+++ b/.github/workflows/ty.yml
@@ -0,0 +1,28 @@
+name: "ty CI"
+
+on:
+  push:
+    branches: [ "master", "development" ]
+  pull_request:
+    branches: [ "master" , "development" ]
+
+jobs:
+  type_checker:
+    runs-on: ubuntu-latest 
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v5
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.12"
+
+    - name: Install uv
+      run: pip install uv
+
+    - name: Install Dependencies
+      run: uv sync --all-extras
+
+    - name: ty Type Checking
+      run: uv run ty check

From 337d06a6acdc1fb6e8965243265b91c76731ac8a Mon Sep 17 00:00:00 2001
From: William Grochocinski <williamgrochocinski@gmail.com>
Date: Fri, 7 Nov 2025 13:34:54 -0500
Subject: [PATCH 3/3] add ty config file

exclude failing files from check until fixed
---
 ty.toml | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 ty.toml

diff --git a/ty.toml b/ty.toml
new file mode 100644
index 00000000..a4586b52
--- /dev/null
+++ b/ty.toml
@@ -0,0 +1,41 @@
+[src]
+# Ignore files that haven't been typed yet.
+# As files are typed, they can be removed from this list.
+# DO NOT ADD NEW FILES TO THIS LIST, NEW FILES SHOULD BE TYPED.
+exclude = [
+    "notebooks/demo_data_driven.ipynb",
+    "notebooks/demo_data_driven.py",
+    "notebooks/demo_fcsa.ipynb",
+    "notebooks/demo_fcsa.py",
+    "notebooks/demo_problem.ipynb",
+    "notebooks/demo_problem.py",
+    "scripts/list_directories.py",
+    "scripts/run_experiment.py",
+    "simopt/directory.py",
+    "simopt/experiment_base.py",
+    "simopt/gui/data_farming_window.py",
+    "simopt/gui/new_experiment_window.py",
+    "simopt/gui/plot_window.py",
+    "simopt/model.py",
+    "simopt/models/amusementpark.py",
+    "simopt/models/chessmm.py",
+    "simopt/models/cntnv.py",
+    "simopt/models/dualsourcing.py",
+    "simopt/models/dynamnews.py",
+    "simopt/models/facilitysizing.py",
+    "simopt/models/ironore.py",
+    "simopt/models/network.py",
+    "simopt/models/tableallocation.py",
+    "simopt/problem.py",
+    "simopt/solvers/astrodf.py",
+    "simopt/solvers/fcsa.py",
+    "simopt/utils.py",
+    "test/test_experiments.py",
+]
+
+# See https://docs.astral.sh/ty/reference/rules/ for Rules documentation.
+# Rule options are ["error", "warn", "ignore"]
+[rules]
+division-by-zero = "warn"              # Default is "ignore"
+possibly-unresolved-reference = "warn" # Default is "ignore"
+unused-ignore-comment = "warn"         # Default is "ignore"