Replace go-imap library with custom IMAP client, simplify CV layout styles, bump vite, move SEED_DB to backend

- Rewrite email_imap.go to use a minimal hand-rolled IMAP client instead of go-imap/go-message,
  for better compatibility with Outlook's non-standard responses
- Consolidate and simplify CVLayout.vue CSS overrides
- Bump vite from 7.1.11 to 7.3.2
- Move SEED_DB env var from nginx to backend in dev compose
- Add /app/src/wasm volume exclusion in dev compose

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.dev.yml

@@ -4,6 +4,7 @@ services:
         volumes:
             - ./vue:/app
             - /app/node_modules
+            - /app/src/wasm
         environment:
             - NODE_ENV=development
     backend:
@@ -12,10 +13,10 @@ services:
             - GQL_PLAYGROUND=true
             - GQL_INTROSPECTION=true
             - DEV_MODE=true
+            - SEED_DB=true
     nginx:
         environment:
             - DEV_MODE=true
-            - SEED_DB=true
         ports:
             - 80:80
             - 443:443