ci: run the unit tests on every push and pull request

.github/workflows/snapshot.yml

@@ -29,6 +29,9 @@ jobs:
       - name: Install dependencies
         run: npm install
 
+      - name: Run unit tests
+        run: npm run test:unit
+
       - name: Build project
         run: npm run build
 

.gitignore

@@ -21,3 +21,5 @@ pnpm-debug.log*
 *.njsproj
 *.sln
 *.sw?
+
+.worktrees/

agents.md

@@ -16,8 +16,11 @@ Browser-based UI for controlling a Freeshard. Users manage apps, pair devices, c
 npm run serve     # Dev server with hot-reload
 npm run build     # Production build
 npm run lint      # ESLint
+npm run test:unit # Jest unit tests
 ```
 
+Unit tests run in CI on every push and pull request, before the build.
+
 ## Project Structure
 
 ```

justfile

@@ -10,9 +10,15 @@ default:
 _set-version-files version:
     #!/usr/bin/env python3
     import json
-    with open('package.json') as f:
-        pkg = json.load(f)
-    pkg['version'] = '{{version}}'
-    with open('package.json', 'w') as f:
-        json.dump(pkg, f, indent=2)
-        f.write('\n')
+    for path, keys in (('package.json', (('version',),)),
+                       ('package-lock.json', (('version',), ('packages', '', 'version')))):
+        with open(path) as f:
+            doc = json.load(f)
+        for key in keys:
+            node = doc
+            for step in key[:-1]:
+                node = node[step]
+            node[key[-1]] = '{{version}}'
+        with open(path, 'w') as f:
+            json.dump(doc, f, indent=2)
+            f.write('\n')