Handle FinishReason.NO_IMAGE and fix optional chaining

- Add NO_IMAGE to error finish reasons in Google provider
- Fix non-null assertion after optional chaining in Anthropic provider
- Migrate biome config to 2.3.5
- Ignore Tailwind CSS file from biome checks
- Bump all packages to version 0.6.0

packages/web-ui/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@mariozechner/pi-web-ui",
-	"version": "0.5.48",
+	"version": "0.6.0",
 	"description": "Reusable web UI components for AI chat interfaces powered by @mariozechner/pi-ai",
 	"type": "module",
 	"main": "dist/index.js",
@@ -20,7 +20,7 @@
 	"dependencies": {
 		"@lmstudio/sdk": "^1.5.0",
 		"@mariozechner/pi-ai": "^0.5.43",
-		"@mariozechner/pi-tui": "^0.5.48",
+		"@mariozechner/pi-tui": "^0.6.0",
 		"docx-preview": "^0.3.7",
 		"jszip": "^3.10.1",
 		"lit": "^3.3.1",