Update environment variables and prod config

Moved and cleaned up several PUBLIC_* variables in .env for better organization. Added PUBLIC_ORIGIN and PUBLIC_PLAUSIBLE_SCRIPT_URL to chart/env/prod.yaml to ensure correct values in production.

.env

@@ -24,7 +24,12 @@ PUBLIC_APP_GUEST_MESSAGE=# a message to the guest user. If not set, no message w
 PUBLIC_APP_NAME=ChatUI # name used as title throughout the app
 PUBLIC_APP_ASSETS=chatui # used to find logos & favicons in static/$PUBLIC_APP_ASSETS
 PUBLIC_APP_DESCRIPTION=# description used throughout the app
-PUBLIC_APP_DATA_SHARING=# Set to 1 to enable an option in the user settings to share conversations with model authors
+PUBLIC_SMOOTH_UPDATES=false # set to true to enable smoothing of messages client-side, can be CPU intensive
+PUBLIC_ORIGIN=
+PUBLIC_SHARE_PREFIX=
+PUBLIC_GOOGLE_ANALYTICS_ID=
+PUBLIC_PLAUSIBLE_SCRIPT_URL=
+PUBLIC_APPLE_APP_ID=
 
 COUPLE_SESSION_WITH_COOKIE_NAME=
 OPENID_CLIENT_ID=
@@ -105,16 +110,6 @@ TRUSTED_EMAIL_HEADER=# header to use to get the user email, only use if you know
 ADMIN_CLI_LOGIN=true # set to false to disable the CLI login
 ADMIN_TOKEN=#We recommend leaving this empty, you can get the token from the terminal.
 
-PUBLIC_SMOOTH_UPDATES=false # set to true to enable smoothing of messages client-side, can be CPU intensive
-PUBLIC_ORIGIN=#https://huggingface.co
-PUBLIC_SHARE_PREFIX=#https://hf.co/chat
-
-# mostly huggingchat specific
-PUBLIC_GOOGLE_ANALYTICS_ID=#G-XXXXXXXX / Leave empty to disable
-PUBLIC_PLAUSIBLE_SCRIPT_URL=#/js/script.js / Leave empty to disable
-PUBLIC_APPLE_APP_ID=#1234567890 / Leave empty to disable
-
-
 ### Feature Flags ###
 LLM_SUMMARIZATION=true # generate conversation titles with LLMs
  

chart/env/prod.yaml

@@ -65,6 +65,8 @@ envVars:
   MESSAGES_BEFORE_LOGIN: "999"
   PUBLIC_APP_ASSETS: "huggingchat"
   PUBLIC_APP_NAME: "HuggingChat"
+  PUBLIC_ORIGIN: "https://huggingface.co"
+  PUBLIC_PLAUSIBLE_SCRIPT_URL: "/js/script.js"
 
   TASK_MODEL: "Qwen/Qwen3-4B-Instruct-2507"
   LLM_ROUTER_ARCH_BASE_URL: "https://router.huggingface.co/v1"