update readme and env

.env.example

@@ -1,4 +1,4 @@
-IAAI_HEADLESS=false
+IAAI_HEADLESS=true
 IAAI_RAW_OUTPUT_JSON=iaai_raw_network.json
 IAAI_LOG_LEVEL=INFO
 # IAAI_LOG_FILE=iaai_scraper.log
@@ -13,11 +13,11 @@ IAAI_POST_OPEN_IDLE_MS=3500
 
 # Sequential listing-first mode.
 IAAI_CARS_LISTING_URL=https://www.iaai.com/Vehiclelisting/Cars
-IAAI_MAX_PAGES_PER_RUN=1
-IAAI_MAX_VEHICLES_PER_RUN=10
-IAAI_PAGE_LINK_LIMIT=20
-IAAI_INCLUDE_PAGINATION=false
-IAAI_COLLECT_CURRENT_PAGE_ONLY=true
+IAAI_MAX_PAGES_PER_RUN=10
+IAAI_MAX_VEHICLES_PER_RUN=30
+IAAI_PAGE_LINK_LIMIT=100
+IAAI_INCLUDE_PAGINATION=true
+IAAI_COLLECT_CURRENT_PAGE_ONLY=false
 
 # Human-like pacing.
 IAAI_HUMAN_PACE_ENABLED=true
@@ -25,15 +25,30 @@ IAAI_AFTER_LISTING_OPEN_MIN_S=2.5
 IAAI_AFTER_LISTING_OPEN_MAX_S=4.5
 IAAI_AFTER_FILTER_ACTION_MIN_S=2.0
 IAAI_AFTER_FILTER_ACTION_MAX_S=4.0
-IAAI_BEFORE_VEHICLE_OPEN_MIN_S=2.5
-IAAI_BEFORE_VEHICLE_OPEN_MAX_S=5.5
-IAAI_AFTER_VEHICLE_OPEN_MIN_S=5.0
-IAAI_AFTER_VEHICLE_OPEN_MAX_S=9.0
-IAAI_BETWEEN_VEHICLES_MIN_S=8.0
-IAAI_BETWEEN_VEHICLES_MAX_S=18.0
+IAAI_BEFORE_VEHICLE_OPEN_MIN_S=1.5
+IAAI_BEFORE_VEHICLE_OPEN_MAX_S=3.0
+IAAI_AFTER_VEHICLE_OPEN_MIN_S=1.0
+IAAI_AFTER_VEHICLE_OPEN_MAX_S=2.5
+IAAI_BETWEEN_VEHICLES_MIN_S=2.0
+IAAI_BETWEEN_VEHICLES_MAX_S=4.0
 IAAI_AFTER_PAGE_CHANGE_MIN_S=3.0
 IAAI_AFTER_PAGE_CHANGE_MAX_S=6.0
 
+# Scheduler (default once per hour)
+IAAI_SCHEDULER_INTERVAL_MINUTES=60
+
+# Retry / backoff
+IAAI_RETRY_DELAY_SECONDS=2.5
+IAAI_RETRY_BACKOFF_MULTIPLIER=2.0
+IAAI_RETRY_JITTER_SECONDS=0.25
+
+# Proxy (HTTP/HTTPS preferred for Playwright)
+# Chromium does not support SOCKS5 proxy authentication directly.
+# Use residential or mobile USA proxy.
+# IAAI_PROXY_SERVER=http://proxy.example.com:8080
+# IAAI_PROXY_USERNAME=
+# IAAI_PROXY_PASSWORD=
+
 # Database.
 IAAI_DATABASE_URL=sqlite:///iaai_scraper.db
 IAAI_DATABASE_ECHO=false