diff --git a/.gitignore b/.gitignore
index f0e2696..efdfa72 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ frontend/test-results/
 # Frontend build output (built from source by end users)
 frontend/dist/
 frontend/package-lock.json
+frontend/.eslintcache
 
 # reference libraries
 references/
diff --git a/AGENTS.md b/AGENTS.md
index cc4cf18..a54ab15 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -15,6 +15,7 @@ PYTHONPATH=. uv run pytest tests/ -v # test python
 cd frontend/ # move to frontend directory
 npm run lint:fix # fix lint violations
 npm run format # format the code
+npm run test:run # run frontend tests
 npm run build # run a frontend build
 ```
 
diff --git a/frontend/package.json b/frontend/package.json
index f8e607a..1645e6f 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -9,8 +9,8 @@
     "preview": "vite preview",
     "test": "vitest",
     "test:run": "vitest run",
-    "lint": "eslint src/",
-    "lint:fix": "eslint src/ --fix",
+    "lint": "eslint src/ --cache",
+    "lint:fix": "eslint src/ --fix --cache",
     "format": "prettier --write src/",
     "format:check": "prettier --check src/"
   },
diff --git a/pyproject.toml b/pyproject.toml
index f25fcf1..fdfc939 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,12 +18,14 @@ dependencies = [
 test = [
     "pytest>=8.0.0",
     "pytest-asyncio>=0.24.0",
+    "pytest-xdist>=3.0",
     "httpx>=0.27.0",
 ]
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
 testpaths = ["tests"]
+addopts = "-n auto --dist worksteal"
 
 [tool.ruff]
 target-version = "py310"
@@ -68,6 +70,7 @@ dev = [
     "httpx>=0.28.1",
     "pytest>=9.0.2",
     "pytest-asyncio>=1.3.0",
+    "pytest-xdist>=3.0",
     "ruff>=0.8.0",
     "pyright>=1.1.390",
 ]
diff --git a/uv.lock b/uv.lock
index e233a8a..4d0a20c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -244,6 +244,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/8a/0e/97c33bf5009bdbac74fd2beace167cab3f978feb69cc36f1ef79360d6c4e/exceptiongroup-1.3.1-py3-none-any.whl", hash = "sha256:a7a39a3bd276781e98394987d3a5701d0c4edffb633bb7a5144577f82c773598", size = 16740 },
 ]
 
+[[package]]
+name = "execnet"
+version = "2.1.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/bf/89/780e11f9588d9e7128a3f87788354c7946a9cbb1401ad38a48c4db9a4f07/execnet-2.1.2.tar.gz", hash = "sha256:63d83bfdd9a23e35b9c6a3261412324f964c2ec8dcd8d3c6916ee9373e0befcd", size = 166622 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/ab/84/02fc1827e8cdded4aa65baef11296a9bbe595c474f0d6d758af082d849fd/execnet-2.1.2-py3-none-any.whl", hash = "sha256:67fba928dd5a544b783f6056f449e5e3931a5c378b128bc18501f7ea79e296ec", size = 40708 },
+]
+
 [[package]]
 name = "fastapi"
 version = "0.128.0"
@@ -779,6 +788,19 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e5/35/f8b19922b6a25bc0880171a2f1a003eaeb93657475193ab516fd87cac9da/pytest_asyncio-1.3.0-py3-none-any.whl", hash = "sha256:611e26147c7f77640e6d0a92a38ed17c3e9848063698d5c93d5aa7aa11cebff5", size = 15075 },
 ]
 
+[[package]]
+name = "pytest-xdist"
+version = "3.8.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "execnet" },
+    { name = "pytest" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/78/b4/439b179d1ff526791eb921115fca8e44e596a13efeda518b9d845a619450/pytest_xdist-3.8.0.tar.gz", hash = "sha256:7e578125ec9bc6050861aa93f2d59f1d8d085595d6551c2c90b6f4fad8d3a9f1", size = 88069 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/ca/31/d4e37e9e550c2b92a9cbc2e4d0b7420a27224968580b5a447f420847c975/pytest_xdist-3.8.0-py3-none-any.whl", hash = "sha256:202ca578cfeb7370784a8c33d6d05bc6e13b4f25b5053c30a152269fd10f0b88", size = 46396 },
+]
+
 [[package]]
 name = "python-dotenv"
 version = "1.2.1"
@@ -871,6 +893,7 @@ test = [
     { name = "httpx" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
+    { name = "pytest-xdist" },
 ]
 
 [package.dev-dependencies]
@@ -879,6 +902,7 @@ dev = [
     { name = "pyright" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
+    { name = "pytest-xdist" },
     { name = "ruff" },
 ]
 
@@ -893,6 +917,7 @@ requires-dist = [
     { name = "pynacl", specifier = ">=1.5.0" },
     { name = "pytest", marker = "extra == 'test'", specifier = ">=8.0.0" },
     { name = "pytest-asyncio", marker = "extra == 'test'", specifier = ">=0.24.0" },
+    { name = "pytest-xdist", marker = "extra == 'test'", specifier = ">=3.0" },
     { name = "uvicorn", extras = ["standard"], specifier = ">=0.32.0" },
 ]
 provides-extras = ["test"]
@@ -903,6 +928,7 @@ dev = [
     { name = "pyright", specifier = ">=1.1.390" },
     { name = "pytest", specifier = ">=9.0.2" },
     { name = "pytest-asyncio", specifier = ">=1.3.0" },
+    { name = "pytest-xdist", specifier = ">=3.0" },
     { name = "ruff", specifier = ">=0.8.0" },
 ]