Add tests for authentication and utilities, and update dependencies

- Created a new test package for services and added tests for AuthService.
- Implemented tests for user registration, login, and token creation.
- Added a new test package for utilities and included tests for password and JWT utilities.
- Updated `uv.lock` to include new dependencies: bcrypt, email-validator, pyjwt, and pytest-asyncio.

pyproject.toml

@@ -6,8 +6,12 @@ readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
     "aiosqlite==0.21.0",
+    "bcrypt==4.3.0",
+    "email-validator==2.2.0",
     "fastapi[standard]==0.116.1",
     "pydantic-settings==2.10.1",
+    "pyjwt==2.10.1",
+    "sqlmodel==0.0.24",
     "uvicorn[standard]==0.35.0",
 ]
 
@@ -15,10 +19,11 @@ dependencies = [
 dev-dependencies = [
     "coverage==7.9.2",
     "faker==37.4.2",
+    "httpx==0.28.1",
     "mypy==1.17.0",
     "pytest==8.4.1",
+    "pytest-asyncio==1.1.0",
     "ruff==0.12.4",
-    "sqlmodel==0.0.24",
 ]
 
 [tool.mypy]
@@ -32,3 +37,6 @@ exclude = ["alembic"]
 [tool.ruff.lint]
 select = ["ALL"]
 ignore = ["D100", "D103"]
+
+[tool.ruff.per-file-ignores]
+"tests/**/*.py" = ["S101", "S105"]