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

migrations/016_rename_to_identities.sql

@@ -0,0 +1,19 @@
+-- 016_rename_to_identities.sql
+-- Rename 'talents' table to 'identities' and 'talent_id' to 'identity_id'
+-- This reflects the broader scope: identities can be actors, news subjects, family members, etc.
+
+-- 1. Rename 'talents' table to 'identities'
+ALTER TABLE public.talents RENAME TO identities;
+ALTER TABLE dev.talents RENAME TO identities;
+
+-- 2. Rename 'talent_id' column in 'identity_bindings' to 'identity_id'
+DO $$ 
+BEGIN
+    IF EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'identity_bindings' AND column_name = 'talent_id') THEN
+        ALTER TABLE public.identity_bindings RENAME COLUMN talent_id TO identity_id;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = 'dev' AND table_name = 'identity_bindings' AND column_name = 'talent_id') THEN
+        ALTER TABLE dev.identity_bindings RENAME COLUMN talent_id TO identity_id;
+    END IF;
+END $$;