feat(latest): split browser poll cooldown

.env.example

@@ -67,13 +67,15 @@ DISCORD_REDIRECT_URI=
 # Set to 0 to turn it off entirely.
 # LATEST_CHAPTER_POLL_ENABLED=1
 #
-# Two independent clocks. COOLDOWN is how long one series rests between checks;
-# INTERVAL is how often the poller wakes up and looks for series past that
-# cooldown. Shortening INTERVAL cannot shorten a COOLDOWN.
-# LATEST_CHAPTER_POLL_COOLDOWN=1h     # per series, floor 15m
-# LATEST_CHAPTER_POLL_INTERVAL=10m    # how often to wake
-# LATEST_CHAPTER_POLL_BATCH=14        # series per wake
-# LATEST_CHAPTER_POLL_STAGGER=20s     # delay between fetches in a batch
+# Two independent clocks. COOLDOWN is how long a plain-TLS series rests between
+# checks; BROWSER_COOLDOWN is the longer rest for kagane and novelfull. INTERVAL
+# is how often the poller wakes up and looks for series past their cooldowns.
+# Shortening INTERVAL cannot shorten either cooldown.
+LATEST_CHAPTER_POLL_COOLDOWN=1h         # plain-TLS per series, floor 15m
+LATEST_CHAPTER_POLL_BROWSER_COOLDOWN=6h # browser-backed per series, floor 15m
+LATEST_CHAPTER_POLL_INTERVAL=10m        # how often to wake
+LATEST_CHAPTER_POLL_BATCH=14            # series per wake
+LATEST_CHAPTER_POLL_STAGGER=20s         # delay between fetches in a batch
 #
 # Uses a ticker, not an immediate first run: the first poll happens one
 # INTERVAL after startup, not at startup. A container restarting more often