From 0dddee9251f90502b461400c43d8fbee2c740f2d Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:01:56 +0000
Subject: [PATCH 1/9] forge: open work branch for iss-1ac610bafd4c

---
 .forge/iss-1ac610bafd4c.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .forge/iss-1ac610bafd4c.md

diff --git a/.forge/iss-1ac610bafd4c.md b/.forge/iss-1ac610bafd4c.md
new file mode 100644
index 0000000..f4f78e9
--- /dev/null
+++ b/.forge/iss-1ac610bafd4c.md
@@ -0,0 +1,3 @@
+# iss-1ac610bafd4c
+
+Forge 이슈 작업 브랜치 `forge/iss-1ac610bafd4c`.

From 32f03c105e03da98e9b348060e5dc6639c266b07 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:10 +0000
Subject: [PATCH 2/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 utils/__init__.py | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 utils/__init__.py

diff --git a/utils/__init__.py b/utils/__init__.py
new file mode 100644
index 0000000..fe90d99
--- /dev/null
+++ b/utils/__init__.py
@@ -0,0 +1,3 @@
+# Utility Functions Package
+
+# This package contains various utility functions for different purposes.
\ No newline at end of file

From 0f4e91734af2e1c4a596e4386607146f75e93495 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:11 +0000
Subject: [PATCH 3/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 utils/math_utils.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 utils/math_utils.py

diff --git a/utils/math_utils.py b/utils/math_utils.py
new file mode 100644
index 0000000..d8fe83c
--- /dev/null
+++ b/utils/math_utils.py
@@ -0,0 +1,20 @@
+def add(a, b):
+    """Returns the sum of two numbers."""
+    return a + b
+
+
+def subtract(a, b):
+    """Returns the difference of two numbers."""
+    return a - b
+
+
+def multiply(a, b):
+    """Returns the product of two numbers."""
+    return a * b
+
+
+def divide(a, b):
+    """Returns the quotient of two numbers. Raises ValueError on division by zero."""
+    if b == 0:
+        raise ValueError('Cannot divide by zero')
+    return a / b
\ No newline at end of file

From 43f1a459828d2c7c1c528cdabffea4b5f8876838 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:12 +0000
Subject: [PATCH 4/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 utils/string_utils.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 utils/string_utils.py

diff --git a/utils/string_utils.py b/utils/string_utils.py
new file mode 100644
index 0000000..253d707
--- /dev/null
+++ b/utils/string_utils.py
@@ -0,0 +1,10 @@
+def capitalize_first_letter(s):
+    """Capitalizes the first letter of a string."""
+    if not s:
+        return s
+    return s[0].upper() + s[1:]
+
+
+def reverse_string(s):
+    """Reverses the given string."""
+    return s[::-1]
\ No newline at end of file

From f4d0a9ddf45e298eaf45b6efb29d97aae4ff5d8c Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:14 +0000
Subject: [PATCH 5/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 utils/date_utils.py | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 utils/date_utils.py

diff --git a/utils/date_utils.py b/utils/date_utils.py
new file mode 100644
index 0000000..df1b210
--- /dev/null
+++ b/utils/date_utils.py
@@ -0,0 +1,11 @@
+from datetime import datetime
+
+
+def get_current_date():
+    """Returns the current date as a string in YYYY-MM-DD format."""
+    return datetime.now().strftime('%Y-%m-%d')
+
+
+def format_date(date, format='%Y-%m-%d'):
+    """Formats a given date to the specified format."""
+    return date.strftime(format)
\ No newline at end of file

From 4c157b9c4ec9031ad6b4780bfb57f37dd9b44e05 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:15 +0000
Subject: [PATCH 6/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8952c08..d259bee 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
-# ssot-live
+# Utility Functions
 
+This repository contains a collection of utility functions that can be used across various projects.
+
+## Modules
+- `math_utils`: Contains basic mathematical operations.
+- `string_utils`: Provides string manipulation functions.
+- `date_utils`: Handles date-related utilities.
\ No newline at end of file

From 37136d73d39f6a77434ffeb4d0831e6be31efe3a Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:16 +0000
Subject: [PATCH 7/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 tests/test_math_utils.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 tests/test_math_utils.py

diff --git a/tests/test_math_utils.py b/tests/test_math_utils.py
new file mode 100644
index 0000000..885391e
--- /dev/null
+++ b/tests/test_math_utils.py
@@ -0,0 +1,22 @@
+import unittest
+from utils.math_utils import add, subtract, multiply, divide
+
+
+class TestMathUtils(unittest.TestCase):
+    def test_add(self):
+        self.assertEqual(add(1, 2), 3)
+
+    def test_subtract(self):
+        self.assertEqual(subtract(5, 3), 2)
+
+    def test_multiply(self):
+        self.assertEqual(multiply(3, 4), 12)
+
+    def test_divide(self):
+        self.assertEqual(divide(10, 2), 5)
+        with self.assertRaises(ValueError):
+            divide(10, 0)
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file

From ec3ff8520653e0b69cc140a5d1ba0be3a9e6bb3d Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:18 +0000
Subject: [PATCH 8/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 tests/test_string_utils.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 tests/test_string_utils.py

diff --git a/tests/test_string_utils.py b/tests/test_string_utils.py
new file mode 100644
index 0000000..21c6248
--- /dev/null
+++ b/tests/test_string_utils.py
@@ -0,0 +1,15 @@
+import unittest
+from utils.string_utils import capitalize_first_letter, reverse_string
+
+
+class TestStringUtils(unittest.TestCase):
+    def test_capitalize_first_letter(self):
+        self.assertEqual(capitalize_first_letter('hello'), 'Hello')
+        self.assertEqual(capitalize_first_letter(''), '')
+
+    def test_reverse_string(self):
+        self.assertEqual(reverse_string('hello'), 'olleh')
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file

From bf82717aa9dcbab80de717c158bf6735b50fc667 Mon Sep 17 00:00:00 2001
From: forge-bot <bot@forge.local>
Date: Thu, 9 Jul 2026 01:02:19 +0000
Subject: [PATCH 9/9] Design Architecture for Utility Functions
 (iss-1ac610bafd4c)

---
 tests/test_date_utils.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tests/test_date_utils.py

diff --git a/tests/test_date_utils.py b/tests/test_date_utils.py
new file mode 100644
index 0000000..3f74e5f
--- /dev/null
+++ b/tests/test_date_utils.py
@@ -0,0 +1,16 @@
+import unittest
+from utils.date_utils import get_current_date, format_date
+from datetime import datetime
+
+
+class TestDateUtils(unittest.TestCase):
+    def test_get_current_date(self):
+        self.assertEqual(get_current_date(), datetime.now().strftime('%Y-%m-%d'))
+
+    def test_format_date(self):
+        date = datetime(2023, 1, 1)
+        self.assertEqual(format_date(date, '%d-%m-%Y'), '01-01-2023')
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file