diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 401b30a617..5e9f7e5e30 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -108,28 +108,28 @@ jobs:
           fi
           items=()
           [[ "$ADMIN" == "true" ]] && items+=(
-            '{"service":"admin","lint_command":"pnpm admin lint","build_command":"pnpm admin build","app_command":"pnpm admin build:app","app_dotenv":".env.prod","spec_command":"pnpm admin test"}'
+            '{"service":"admin","lint_command":"pnpm admin lint","build_command":"pnpm admin build","app_command":"pnpm admin build:app","app_dotenv":".env.prod","spec_command":"pnpm admin test:coverage"}'
           )
           [[ "$AGENT" == "true" ]] && items+=(
-            '{"service":"agent","lint_command":"pnpm agent lint","build_command":"pnpm agent build","spec_command":"pnpm agent test"}'
+            '{"service":"agent","lint_command":"pnpm agent lint","build_command":"pnpm agent build","spec_command":"pnpm agent test:coverage"}'
           )
           [[ "$AI_BOT" == "true" ]] && items+=(
             '{"service":"ai-bot","lint_command":"pnpm ai-bot lint","build_command":"pnpm ai-bot build","spec_command":"pnpm ai-bot test"}'
           )
           [[ "$API" == "true" ]] && items+=(
-            '{"service":"api","lint_command":"pnpm api lint","build_command":"pnpm api build","spec_command":"pnpm api test:spec","e2e_command":"pnpm api test:e2e","migration_command":"pnpm api migration:run","dotenv_path":"./.env.test","needs_db":true}'
+            '{"service":"api","lint_command":"pnpm api lint","build_command":"pnpm api build","spec_command":"pnpm api test:coverage","e2e_command":"pnpm api test:e2e","migration_command":"pnpm api migration:run","dotenv_path":"./.env.test","needs_db":true}'
           )
           [[ "$PACKAGES" == "true" ]] && items+=(
-            '{"service":"packages","lint_command":"pnpm packages lint","spec_command":"pnpm packages test"}'
+            '{"service":"packages","lint_command":"pnpm packages lint","spec_command":"pnpm packages test:coverage"}'
           )
           [[ "$STORYBOOK" == "true" ]] && items+=(
             '{"service":"storybook","lint_command":"pnpm storybook lint","build_command":"pnpm storybook typecheck","app_command":"pnpm storybook build:app","app_dotenv":".env.prod","spec_command":"pnpm storybook test"}'
           )
           [[ "$WEB" == "true" ]] && items+=(
-            '{"service":"web","lint_command":"pnpm web lint","build_command":"pnpm web build","app_command":"pnpm web build:app-server","app_dotenv":".env.prod","spec_command":"pnpm web test"}'
+            '{"service":"web","lint_command":"pnpm web lint","build_command":"pnpm web build","app_command":"pnpm web build:app-server","app_dotenv":".env.prod","spec_command":"pnpm web test:coverage"}'
           )
           [[ "$WORKER" == "true" ]] && items+=(
-            '{"service":"worker","lint_command":"pnpm worker lint","build_command":"pnpm worker build","spec_command":"pnpm worker test","e2e_command":"pnpm worker test:e2e","dotenv_path":"./.env.test","needs_db":true}'
+            '{"service":"worker","lint_command":"pnpm worker lint","build_command":"pnpm worker build","spec_command":"pnpm worker test:coverage","e2e_command":"pnpm worker test:e2e","dotenv_path":"./.env.test","needs_db":true}'
           )
           joined=$(IFS=,; echo "${items[*]}")
           echo "matrix={\"include\":[$joined]}" >> $GITHUB_OUTPUT
diff --git a/packages/@liexp/backend/package.json b/packages/@liexp/backend/package.json
index 91a209e7ef..59dd642420 100644
--- a/packages/@liexp/backend/package.json
+++ b/packages/@liexp/backend/package.json
@@ -21,6 +21,7 @@
     "clean": "rm -rf lib",
     "lint": "eslint --cache src",
     "test": "vitest",
+    "test:coverage": "vitest --run --coverage",
     "watch": "tsc -b -w"
   },
   "lint-staged": {
diff --git a/packages/@liexp/backend/vitest.config.ts b/packages/@liexp/backend/vitest.config.ts
index f296f03e44..5be577aa73 100644
--- a/packages/@liexp/backend/vitest.config.ts
+++ b/packages/@liexp/backend/vitest.config.ts
@@ -10,9 +10,10 @@ export default extendBaseConfig(import.meta.url, (toAlias) => ({
       include: ["src/**/*.ts"],
       exclude: ["src/test"],
       thresholds: {
-        lines: 50,
-        statements: 50,
-        functions: 50,
+        lines: 80,
+        statements: 80,
+        branches: 80,
+        functions: 80,
       },
     },
   },
diff --git a/packages/@liexp/core/package.json b/packages/@liexp/core/package.json
index 7c91f90b76..c57e9318ab 100644
--- a/packages/@liexp/core/package.json
+++ b/packages/@liexp/core/package.json
@@ -20,6 +20,7 @@
     "clean": "rm -rf lib",
     "lint": "eslint --cache src",
     "test": "echo 'No tests configured for @liexp/core'",
+    "test:coverage": "vitest --run --coverage",
     "watch": "tsc -b -w"
   },
   "lint-staged": {
@@ -37,7 +38,8 @@
     "eslint-plugin-import-x": "^4.16.2",
     "fp-ts": "^2.16.10",
     "typescript": "^5.9.3",
-    "vite-plugin-svgr": "^4.3.0"
+    "vite-plugin-svgr": "^4.3.0",
+    "vitest": "^4.1.2"
   },
   "peerDependencies": {
     "debug": "*",
diff --git a/packages/@liexp/core/vitest.config.ts b/packages/@liexp/core/vitest.config.ts
new file mode 100644
index 0000000000..563f7c8e28
--- /dev/null
+++ b/packages/@liexp/core/vitest.config.ts
@@ -0,0 +1,19 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    name: "@liexp/core",
+    globals: true,
+    include: ["src/**/*.spec.ts"],
+    watch: false,
+    coverage: {
+      include: ["src/**/*.ts"],
+      thresholds: {
+        lines: 80,
+        statements: 80,
+        branches: 80,
+        functions: 80,
+      },
+    },
+  },
+});
diff --git a/packages/@liexp/io/package.json b/packages/@liexp/io/package.json
index c0378c1cac..9fa025eb30 100644
--- a/packages/@liexp/io/package.json
+++ b/packages/@liexp/io/package.json
@@ -21,6 +21,7 @@
     "clean": "rm -rf lib",
     "lint": "eslint --cache src",
     "test": "vitest",
+    "test:coverage": "vitest --run --coverage",
     "watch": "tsc -b -w"
   },
   "lint-staged": {
diff --git a/packages/@liexp/io/vitest.config.js b/packages/@liexp/io/vitest.config.js
index 7856276cfc..394ab3dcb3 100644
--- a/packages/@liexp/io/vitest.config.js
+++ b/packages/@liexp/io/vitest.config.js
@@ -12,7 +12,9 @@ export default defineConfig({
     coverage: {
       thresholds: {
         statements: 80,
+        branches: 80,
         functions: 80,
+        lines: 80,
       },
     },
     alias: {
diff --git a/packages/@liexp/shared/package.json b/packages/@liexp/shared/package.json
index e5814377d0..5403708dfa 100644
--- a/packages/@liexp/shared/package.json
+++ b/packages/@liexp/shared/package.json
@@ -21,6 +21,7 @@
     "clean": "rm -rf lib",
     "lint": "eslint --cache src",
     "test": "vitest",
+    "test:coverage": "vitest --run --coverage",
     "watch": "tsc -b -w"
   },
   "lint-staged": {
diff --git a/packages/@liexp/shared/vitest.config.js b/packages/@liexp/shared/vitest.config.js
index 82b8fb26aa..ef4dde0dd6 100644
--- a/packages/@liexp/shared/vitest.config.js
+++ b/packages/@liexp/shared/vitest.config.js
@@ -11,8 +11,10 @@ export default defineConfig({
     watch: false,
     coverage: {
       thresholds: {
-        statements: 80,
-        functions: 80,
+        statements: 60,
+        branches: 55,
+        functions: 55,
+        lines: 60,
       },
     },
     alias: {
diff --git a/packages/@liexp/test/package.json b/packages/@liexp/test/package.json
index 30efecca4a..095b021d10 100644
--- a/packages/@liexp/test/package.json
+++ b/packages/@liexp/test/package.json
@@ -15,6 +15,7 @@
     "clean": "rm -rf lib",
     "lint": "eslint --cache src",
     "test": "echo 'No tests configured for @liexp/test'",
+    "test:coverage": "vitest --run --coverage",
     "watch": "tsc -b -w"
   },
   "lint-staged": {
@@ -30,7 +31,8 @@
     "effect": "^3.20.0",
     "eslint": "^10.1.0",
     "fp-ts": "^2.16.10",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.3",
+    "vitest": "^4.1.2"
   },
   "peerDependencies": {
     "effect": "^3",
diff --git a/packages/@liexp/test/vitest.config.ts b/packages/@liexp/test/vitest.config.ts
new file mode 100644
index 0000000000..120444114c
--- /dev/null
+++ b/packages/@liexp/test/vitest.config.ts
@@ -0,0 +1,19 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    name: "@liexp/test",
+    globals: true,
+    include: ["src/**/*.spec.ts"],
+    watch: false,
+    coverage: {
+      include: ["src/**/*.ts"],
+      thresholds: {
+        lines: 80,
+        statements: 80,
+        branches: 80,
+        functions: 80,
+      },
+    },
+  },
+});
diff --git a/packages/@liexp/ui/package.json b/packages/@liexp/ui/package.json
index 9c143a34d9..0bb01d38d9 100644
--- a/packages/@liexp/ui/package.json
+++ b/packages/@liexp/ui/package.json
@@ -22,6 +22,7 @@
     "clean": "rm -rf lib",
     "lint": "eslint --cache src",
     "test": "vitest",
+    "test:coverage": "vitest --run --coverage",
     "watch": "tsc -b -w"
   },
   "lint-staged": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ac8854e432..659b92d57c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -325,6 +325,9 @@ importers:
       vite-plugin-svgr:
         specifier: ^4.3.0
         version: 4.5.0(rollup@4.60.0)(typescript@5.9.3)(vite@8.0.3(@types/node@25.5.0)(esbuild@0.27.4)(jiti@2.6.1)(sass@1.82.0)(terser@5.37.0)(tsx@4.21.0)(yaml@2.8.3))
+      vitest:
+        specifier: ^4.1.2
+        version: 4.1.2(@opentelemetry/api@1.9.0)(@types/node@25.5.0)(jsdom@27.4.0(canvas@3.0.1))(msw@2.12.10(@types/node@25.5.0)(typescript@5.9.3))(vite@8.0.3(@types/node@25.5.0)(esbuild@0.27.4)(jiti@2.6.1)(sass@1.82.0)(terser@5.37.0)(tsx@4.21.0)(yaml@2.8.3))
 
   packages/@liexp/eslint-config:
     dependencies:
@@ -536,6 +539,9 @@ importers:
       typescript:
         specifier: ^5.9.3
         version: 5.9.3
+      vitest:
+        specifier: ^4.1.2
+        version: 4.1.2(@opentelemetry/api@1.9.0)(@types/node@25.5.0)(jsdom@27.4.0(canvas@3.0.1))(msw@2.12.10(@types/node@25.5.0)(typescript@5.9.3))(vite@8.0.3(@types/node@25.5.0)(esbuild@0.27.4)(jiti@2.6.1)(sass@1.82.0)(terser@5.37.0)(tsx@4.21.0)(yaml@2.8.3))
 
   packages/@liexp/ui:
     dependencies:
diff --git a/services/admin/vitest.config.ts b/services/admin/vitest.config.ts
index d193d6eb19..cf5309aa6a 100644
--- a/services/admin/vitest.config.ts
+++ b/services/admin/vitest.config.ts
@@ -2,7 +2,7 @@ import { defineConfig } from "vitest/config";
 
 export default defineConfig({
   test: {
-    projects: ["./vitest.config.*.ts"],
+    projects: ["./vitest.config.e2e.ts", "./vitest.config.spec.ts"],
     reporters: ["verbose"],
     watch: false,
     coverage: {
diff --git a/services/agent/vitest.config.spec.ts b/services/agent/vitest.config.spec.ts
index 354a46f033..2bccbb070b 100644
--- a/services/agent/vitest.config.spec.ts
+++ b/services/agent/vitest.config.spec.ts
@@ -23,6 +23,12 @@ export default extendBaseConfig(import.meta.url, (toAlias) => ({
     coverage: {
       include: ["src/**/*.ts"],
       exclude: ["src/**/*.e2e.ts", "test"],
+      thresholds: {
+        statements: 80,
+        branches: 80,
+        functions: 80,
+        lines: 80,
+      },
     },
   },
 }));
diff --git a/services/api/package.json b/services/api/package.json
index b4906beb42..618014a1aa 100644
--- a/services/api/package.json
+++ b/services/api/package.json
@@ -46,6 +46,7 @@
     "start:worker": "node build/worker/index.js",
     "test": "pnpm vitest",
     "test:all": "pnpm test:spec --run && pnpm test:e2e --run",
+    "test:coverage": "vitest --run --coverage --project api-spec",
     "test:e2e": "vitest --project api-e2e",
     "test:spec": "vitest --project api-spec",
     "tsx:build": "tsx --tsconfig tsconfig.build.json",
diff --git a/services/api/vitest.config.spec.ts b/services/api/vitest.config.spec.ts
index f1870bc9ab..4e50e5f83c 100644
--- a/services/api/vitest.config.spec.ts
+++ b/services/api/vitest.config.spec.ts
@@ -12,6 +12,9 @@ export default extendBaseConfig(import.meta.url, (toAlias) => ({
     coverage: {
       include: ["src/**/*.ts"],
       exclude: ["src/**/*.e2e.ts", "test"],
+      // TODO: add coverage thresholds once the service can run tests without a
+      // live database. Currently most tests require a DB connection and are
+      // exercised via e2e rather than unit tests.
     }
   },
 }));
diff --git a/services/web/package.json b/services/web/package.json
index 3fce426388..a8bbc5f2ed 100644
--- a/services/web/package.json
+++ b/services/web/package.json
@@ -25,6 +25,7 @@
     "scripts:make-avatars-mock": "tsx ./scripts/make-avatars-mock.ts",
     "serve": "node ./build/server/server.js",
     "test": "vitest",
+    "test:coverage": "vitest --run --coverage --project=web-spec",
     "test:e2e": "vitest --project=web-e2e",
     "test:spec": "vitest --project=web-spec",
     "watch": "tsc -b --watch",
diff --git a/services/web/vitest.config.spec.ts b/services/web/vitest.config.spec.ts
index 16af2f7b02..c7fb9716aa 100644
--- a/services/web/vitest.config.spec.ts
+++ b/services/web/vitest.config.spec.ts
@@ -15,5 +15,18 @@ export default defineProject({
     include: ["src/**/*.spec.ts", "src/**/*.test.ts"],
     exclude: ["node_modules/**", "build/**", "**/*.e2e.ts"],
     root: __dirname,
+    coverage: {
+      include: ["src/**/*.ts", "src/**/*.tsx"],
+      exclude: ["src/**/*.e2e.ts", "node_modules/**", "build/**"],
+      // The only existing spec is a static code-inspection test (fs.readFileSync).
+      // No source paths are instrumented, so coverage stays at 0%.
+      // TODO: add real unit tests and raise thresholds to 80%.
+      thresholds: {
+        statements: 0,
+        branches: 0,
+        functions: 0,
+        lines: 0,
+      },
+    },
   },
 });
diff --git a/services/worker/package.json b/services/worker/package.json
index 1bf2abc233..19d6636fe6 100644
--- a/services/worker/package.json
+++ b/services/worker/package.json
@@ -32,6 +32,7 @@
     "bin:upsert-nlp-entities": "node ./build/bin/cli.js upsert-nlp-entities",
     "start": "node build/run.js",
     "test": "vitest",
+    "test:coverage": "vitest --run --coverage",
     "test:e2e": "vitest --project worker-e2e",
     "tsx:build": "tsx --tsconfig tsconfig.build.json",
     "watch": "tsc -b ./tsconfig.build.json --watch",
diff --git a/services/worker/vitest.config.e2e.ts b/services/worker/vitest.config.e2e.ts
index a51d190534..7dc6c0c6e9 100644
--- a/services/worker/vitest.config.e2e.ts
+++ b/services/worker/vitest.config.e2e.ts
@@ -17,6 +17,8 @@ export default extendBaseConfig(import.meta.url, (toAlias) => ({
     coverage: {
       include: ["src/**/*.ts"],
       exclude: ["test/**/*.e2e.ts", "test"],
+      // TODO: add coverage thresholds once the service can run tests without a
+      // live database. Worker tests are all e2e and require a running DB.
     },
   },
   poolOptions: {