diff --git a/conf/openlibrary.yml b/conf/openlibrary.yml
index 1a52b3e236d..989bb6c3fc2 100644
--- a/conf/openlibrary.yml
+++ b/conf/openlibrary.yml
@@ -165,6 +165,7 @@ ia_ol_xauth_s3:
 ia_loan_api_url: http://web:8080/internal/fake/loans
 ia_xauth_api_url: http://web:8080/internal/fake/xauth
 ia_s3_auth_url: http://web:8080/internal/fake/s3auth
+otp_seed: dev-otp-seed-for-e2e-testing
 
 internal_tests_api_key: 8oPd1tx747YH374ohs48ZO5s2Nt1r9yD
 ia_availability_api_v2_url: https://archive.org/services/availability/
@@ -177,9 +178,15 @@ sentry:
     # Dummy endpoint; where sentry logs are sent to
     dsn: 'https://examplePublicKey@o0.ingest.sentry.io/0'
     traces_sample_rate: 1.0
-    profiles_sample_rate: 0.001
+    profiles_sample_rate: 0.05
     environment: 'local'
 
+    frontend:
+        dsn: 'https://examplePublicKey@o0.ingest.sentry.io/1'
+        # Inherits same rates from above
+        # In JS, this controls error sample rate
+        sample_rate: 0.01
+
 sentry_cron_jobs:
     enabled: false
     # Dummy endpoint; where sentry logs are sent to
@@ -194,3 +201,9 @@ observation_cache_duration: 86400
 # Include credentials directly in the URL if required by the proxy.
 # Dev/local: leave unset — no proxy needed.
 # http_proxy: http://user:password@squid.example.com:3128
+
+# Author keys whose pages (and their books/works) should return 404.
+# In production this list lives in olsystem's openlibrary.yml.
+# Format: full author keys, e.g. ["/authors/OL123A"].
+# The value below is intentionally empty so dev behaves like a normal site.
+author_exclusions: []
diff --git a/requirements.txt b/requirements.txt
index e1631b8fc13..1932c819466 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,7 @@ amightygirl.paapi5-python-sdk==1.0.0
 APScheduler==3.11.2
 Babel==2.18.0
 beautifulsoup4==4.14.3
+cryptography==44.0.2
 eventer==0.1.1
 fastapi==0.136.3
 feedparser==6.0.12