chore: update configuration files

- Update Biome schema from 2.3.6 to 2.3.7
- Update cspell dictionary: replace "xyflow" with "hrefs"

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ericyangpan

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.3.6/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.3.7/schema.json",
   "vcs": {
     "enabled": true,
     "clientKind": "git",

cspell.json

@@ -30,7 +30,7 @@
     "shareAI",
     "TRAE",
     "RLHF",
-    "xyflow",
+    "hrefs",
     "Integrationen",
     "Entwicklungsworkflows"
   ],