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/src-tauri/src/lib.rs

@@ -0,0 +1,7 @@
+pub mod config;
+pub mod api {
+    pub mod search;
+    pub mod identity;
+    pub mod video;
+    pub mod person;
+}