feat(client): add tabs support (#52)

* feat(client): add `tabs` support

* chore: apply fixes

* test: fix types

* build: pw again

* build: more attempts to improve PW

* fix: regressions after refactoring to tabs

* style: apply TS style fixes

* build: more PW

* test: run a problematic test in serial mode

* test: no parallel pw

* test: fix race condition in PW

* test: pw one worker no retry

package-lock.json

@@ -25,7 +25,8 @@
                 "tw-animate-css": "^1.3.8",
                 "vee-validate": "^4.15.0",
                 "vue-codemirror": "^6.1.1",
-                "vue-sonner": "^2.0.8"
+                "vue-sonner": "^2.0.8",
+                "vuedraggable": "^4.1.0"
             },
             "devDependencies": {
                 "@playwright/test": "^1.56.1",
@@ -10741,6 +10742,12 @@
                 "node": ">=0.10"
             }
         },
+        "node_modules/sortablejs": {
+            "version": "1.14.0",
+            "resolved": "https://registry.npmjs.org/sortablejs/-/sortablejs-1.14.0.tgz",
+            "integrity": "sha512-pBXvQCs5/33fdN1/39pPL0NZF20LeRbLQ5jtnheIPN9JQAaufGjKdWduZn4U7wCtVuzKhmRkI0DFYHYRbB2H1w==",
+            "license": "MIT"
+        },
         "node_modules/source-map": {
             "version": "0.6.1",
             "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -12292,6 +12299,18 @@
                 "typescript": ">=5.0.0"
             }
         },
+        "node_modules/vuedraggable": {
+            "version": "4.1.0",
+            "resolved": "https://registry.npmjs.org/vuedraggable/-/vuedraggable-4.1.0.tgz",
+            "integrity": "sha512-FU5HCWBmsf20GpP3eudURW3WdWTKIbEIQxh9/8GE806hydR9qZqRRxRE3RjqX7PkuLuMQG/A7n3cfj9rCEchww==",
+            "license": "MIT",
+            "dependencies": {
+                "sortablejs": "1.14.0"
+            },
+            "peerDependencies": {
+                "vue": "^3.0.1"
+            }
+        },
         "node_modules/w3c-keyname": {
             "version": "2.2.8",
             "resolved": "https://registry.npmjs.org/w3c-keyname/-/w3c-keyname-2.2.8.tgz",