feat: migrate to structlog (#46)

uv.lock

@@ -387,6 +387,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/b7/ce/149a00dd41f10bc29e5921b496af8b574d8413afcd5e30dfa0ed46c2cc5e/six-1.17.0-py2.py3-none-any.whl", hash = "sha256:4721f391ed90541fddacab5acf947aa0d3dc7d27b2e1e8eda2be8970586c3274", size = 11050, upload-time = "2024-12-04T17:35:26.475Z" },
 ]
 
+[[package]]
+name = "structlog"
+version = "25.5.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/ef/52/9ba0f43b686e7f3ddfeaa78ac3af750292662284b3661e91ad5494f21dbc/structlog-25.5.0.tar.gz", hash = "sha256:098522a3bebed9153d4570c6d0288abf80a031dfdb2048d59a49e9dc2190fc98", size = 1460830, upload-time = "2025-10-27T08:28:23.028Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/a8/45/a132b9074aa18e799b891b91ad72133c98d8042c70f6240e4c5f9dabee2f/structlog-25.5.0-py3-none-any.whl", hash = "sha256:a8453e9b9e636ec59bd9e79bbd4a72f025981b3ba0f5837aebf48f02f37a7f9f", size = 72510, upload-time = "2025-10-27T08:28:21.535Z" },
+]
+
 [[package]]
 name = "sulguk"
 version = "0.11.1"
@@ -411,6 +420,7 @@ dependencies = [
     { name = "msgspec" },
     { name = "questionary" },
     { name = "rich" },
+    { name = "structlog" },
     { name = "sulguk" },
     { name = "typer" },
 ]
@@ -432,6 +442,7 @@ requires-dist = [
     { name = "msgspec", specifier = ">=0.20.0" },
     { name = "questionary", specifier = ">=2.1.1" },
     { name = "rich", specifier = ">=14.2.0" },
+    { name = "structlog", specifier = ">=25.5.0" },
     { name = "sulguk", specifier = ">=0.11.1" },
     { name = "typer", specifier = ">=0.21.0" },
 ]