Fix EAS local builds and resolve require cycles

- Add dotenv-cli for EAS local builds to load env vars
- Break circular dependencies in store/hooks imports
- Add env var validation with clear error messages
- Remove hardcoded Sentry auth token from sentry.properties
- Add .ipa files to .gitignore

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/mobile/src/store/authStore.ts

@@ -2,7 +2,7 @@ import { create } from "zustand";
 import { supabase } from "../lib/supabase";
 import { Events } from "../lib/analytics";
 import { clearKeys } from "../lib/encryption";
-import { clearDecryptedMediaCache } from "../hooks/useDecryptedMedia";
+import { clearDecryptedMediaCache } from "../lib/mediaCache";
 import type { Profile, Couple } from "@/types";
 import type { RSAPublicKeyJWK, RSAPrivateKeyJWK } from "../lib/encryption/types";