diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e37d1f9..71639d6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,6 +16,4 @@ jobs:
           node-version: 24
           cache: pnpm
       - run: pnpm install --frozen-lockfile
-      - run: pnpm lint
-      - run: pnpm typecheck
-      - run: pnpm build
+      - run: pnpm run ci
diff --git a/.vscode/commit-message-instructions.md b/.vscode/commit-message-instructions.md
new file mode 100644
index 0000000..9f7c046
--- /dev/null
+++ b/.vscode/commit-message-instructions.md
@@ -0,0 +1,10 @@
+# Commit message rules
+
+- Write every commit message in English.
+- Create exactly one commit message.
+- Use this format exactly: <type>(<scope>): <subject>
+- Scope is mandatory for every commit.
+- Never omit the scope.
+- Use lowercase for type and scope.
+- Write the subject in imperative mood.
+- Keep the message to one line and describe the change concisely.
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index b2793df..1c5bccf 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,3 +1,8 @@
 {
-	"recommendations": ["biomejs.biome", "JuanBlanco.solidity"]
+	"recommendations": [
+		"biomejs.biome",
+		"JuanBlanco.solidity",
+		"GitHub.copilot",
+		"GitHub.copilot-chat"
+	]
 }
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 9ae8c22..a555cf2 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,6 +5,11 @@
 		"source.fixAll.biome": "explicit",
 		"source.organizeImports.biome": "explicit"
 	},
+	"github.copilot.chat.commitMessageGeneration.instructions": [
+		{
+			"file": ".vscode/commit-message-instructions.md"
+		}
+	],
 	"[solidity]": {
 		"editor.defaultFormatter": "JuanBlanco.solidity"
 	}
diff --git a/test/acceptance.spec.ts b/tests/acceptance.spec.ts
similarity index 100%
rename from test/acceptance.spec.ts
rename to tests/acceptance.spec.ts
diff --git a/test/assets.spec.ts b/tests/assets.spec.ts
similarity index 100%
rename from test/assets.spec.ts
rename to tests/assets.spec.ts
diff --git a/test/bits.spec.ts b/tests/bits.spec.ts
similarity index 100%
rename from test/bits.spec.ts
rename to tests/bits.spec.ts
diff --git a/test/cli/args.spec.ts b/tests/cli/args.spec.ts
similarity index 100%
rename from test/cli/args.spec.ts
rename to tests/cli/args.spec.ts
diff --git a/test/cli/commands.spec.ts b/tests/cli/commands.spec.ts
similarity index 100%
rename from test/cli/commands.spec.ts
rename to tests/cli/commands.spec.ts
diff --git a/test/cli/hex.spec.ts b/tests/cli/hex.spec.ts
similarity index 100%
rename from test/cli/hex.spec.ts
rename to tests/cli/hex.spec.ts
diff --git a/test/cli/integration.spec.ts b/tests/cli/integration.spec.ts
similarity index 100%
rename from test/cli/integration.spec.ts
rename to tests/cli/integration.spec.ts
diff --git a/test/cli/run.spec.ts b/tests/cli/run.spec.ts
similarity index 100%
rename from test/cli/run.spec.ts
rename to tests/cli/run.spec.ts
diff --git a/test/constants.spec.ts b/tests/constants.spec.ts
similarity index 100%
rename from test/constants.spec.ts
rename to tests/constants.spec.ts
diff --git a/test/crypto.spec.ts b/tests/crypto.spec.ts
similarity index 100%
rename from test/crypto.spec.ts
rename to tests/crypto.spec.ts
diff --git a/test/entropy-generator.spec.ts b/tests/entropy-generator.spec.ts
similarity index 100%
rename from test/entropy-generator.spec.ts
rename to tests/entropy-generator.spec.ts
diff --git a/test/entropy-to-mnemonic.spec.ts b/tests/entropy-to-mnemonic.spec.ts
similarity index 100%
rename from test/entropy-to-mnemonic.spec.ts
rename to tests/entropy-to-mnemonic.spec.ts
diff --git a/test/errors.spec.ts b/tests/errors.spec.ts
similarity index 100%
rename from test/errors.spec.ts
rename to tests/errors.spec.ts
diff --git a/test/integration.spec.ts b/tests/integration.spec.ts
similarity index 100%
rename from test/integration.spec.ts
rename to tests/integration.spec.ts
diff --git a/test/mnemonic-to-entropy.spec.ts b/tests/mnemonic-to-entropy.spec.ts
similarity index 100%
rename from test/mnemonic-to-entropy.spec.ts
rename to tests/mnemonic-to-entropy.spec.ts
diff --git a/test/mnemonic-to-seed.spec.ts b/tests/mnemonic-to-seed.spec.ts
similarity index 100%
rename from test/mnemonic-to-seed.spec.ts
rename to tests/mnemonic-to-seed.spec.ts
diff --git a/test/normalize-mnemonic.spec.ts b/tests/normalize-mnemonic.spec.ts
similarity index 100%
rename from test/normalize-mnemonic.spec.ts
rename to tests/normalize-mnemonic.spec.ts
diff --git a/test/strict-mnemonic.spec.ts b/tests/strict-mnemonic.spec.ts
similarity index 100%
rename from test/strict-mnemonic.spec.ts
rename to tests/strict-mnemonic.spec.ts
diff --git a/test/validate-mnemonic.spec.ts b/tests/validate-mnemonic.spec.ts
similarity index 100%
rename from test/validate-mnemonic.spec.ts
rename to tests/validate-mnemonic.spec.ts
diff --git a/test/validation-result.spec.ts b/tests/validation-result.spec.ts
similarity index 100%
rename from test/validation-result.spec.ts
rename to tests/validation-result.spec.ts
diff --git a/vitest.config.ts b/vitest.config.ts
index 879d754..788a810 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -4,10 +4,10 @@ export default defineConfig({
 	test: {
 		environment: "node",
 		include: [
-			"test/**/*.spec.ts",
-			"test/**/*.test.ts",
-			"test/**/*.spec.js",
-			"test/**/*.test.js",
+			"tests/**/*.spec.ts",
+			"tests/**/*.test.ts",
+			"tests/**/*.spec.js",
+			"tests/**/*.test.js",
 		],
 	},
 });