feat: add migrations, test scripts, and utility tools

- Add database migrations (006-028) for face recognition, identity, file_uuid
- Add test scripts for ASR, face, search, processing
- Add portal frontend (Tauri)
- Add config, benchmark, and monitoring utilities
- Add model checkpoints and pretrained model references

portal/.gitignore

@@ -0,0 +1,22 @@
+# Dependencies
+node_modules/
+target/
+dist/
+
+# Tauri
+src-tauri/icons/
+src-tauri/target/
+
+# Environment
+.env
+.env.local
+
+# OS
+.DS_Store
+Thumbs.db
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo