chore(dashboard): rebuild the packaged workspace for the pairing phase

The workspace update panel carries the new App phase, so the packaged chat
assets must match a clean source build. Adds the new generation, keeps the
previous one in the retention manifest, and repoints index.html.

Signed-off-by: huangruiteng <14976749+huangruiteng@users.noreply.github.com>

Author: huangruiteng

loopx/web/chat/asset-retention.json

@@ -1,6 +1,21 @@
 {
   "schema_version": "loopx_chat_asset_retention_v1",
   "generations": [
+    [
+      "assets/geist-cyrillic-ext-wght-normal-DjL33-gN.woff2",
+      "assets/geist-cyrillic-wght-normal-BEAKL7Jp.woff2",
+      "assets/geist-latin-ext-wght-normal-DC-KSUi6.woff2",
+      "assets/geist-latin-wght-normal-BgDaEnEv.woff2",
+      "assets/geist-mono-cyrillic-ext-wght-normal-X_5orZeX.woff2",
+      "assets/geist-mono-cyrillic-wght-normal-DiZS0aHC.woff2",
+      "assets/geist-mono-latin-ext-wght-normal-Bwz-egvJ.woff2",
+      "assets/geist-mono-latin-wght-normal-XN7g48iV.woff2",
+      "assets/geist-mono-symbols2-wght-normal-CO5SzqOn.woff2",
+      "assets/geist-mono-vietnamese-wght-normal-DadHysG0.woff2",
+      "assets/geist-vietnamese-wght-normal-6IgcOCM7.woff2",
+      "assets/index-B21-YvBH.css",
+      "assets/index-DHBcQb3i.js"
+    ],
     [
       "assets/geist-cyrillic-ext-wght-normal-DjL33-gN.woff2",
       "assets/geist-cyrillic-wght-normal-BEAKL7Jp.woff2",