feat: add configurable Antigravity user agent version

deploy/.env.example

@@ -228,6 +228,9 @@ TOTP_ENCRYPTION_KEY=
 #
 # Antigravity OAuth client_secret（用于 Antigravity OAuth 登录流）
 # ANTIGRAVITY_OAUTH_CLIENT_SECRET=
+#
+# Antigravity User-Agent 版本号（后台设置 antigravity_user_agent_version 优先；留空使用内置默认 1.23.2）
+# ANTIGRAVITY_USER_AGENT_VERSION=
 
 # -----------------------------------------------------------------------------
 # Rate Limiting (Optional)

deploy/docker-compose.local.yml

@@ -127,6 +127,7 @@ services:
       # SECURITY: This repo does not embed third-party client_secret.
       - GEMINI_CLI_OAUTH_CLIENT_SECRET=${GEMINI_CLI_OAUTH_CLIENT_SECRET:-}
       - ANTIGRAVITY_OAUTH_CLIENT_SECRET=${ANTIGRAVITY_OAUTH_CLIENT_SECRET:-}
+      - ANTIGRAVITY_USER_AGENT_VERSION=${ANTIGRAVITY_USER_AGENT_VERSION:-}
 
       # =======================================================================
       # Security Configuration (URL Allowlist)

deploy/docker-compose.standalone.yml

@@ -93,6 +93,7 @@ services:
       # SECURITY: This repo does not embed third-party client_secret.
       - GEMINI_CLI_OAUTH_CLIENT_SECRET=${GEMINI_CLI_OAUTH_CLIENT_SECRET:-}
       - ANTIGRAVITY_OAUTH_CLIENT_SECRET=${ANTIGRAVITY_OAUTH_CLIENT_SECRET:-}
+      - ANTIGRAVITY_USER_AGENT_VERSION=${ANTIGRAVITY_USER_AGENT_VERSION:-}
 
       # =======================================================================
       # Image Generation Stream & Concurrency

deploy/docker-compose.yml

@@ -123,6 +123,7 @@ services:
       # SECURITY: This repo does not embed third-party client_secret.
       - GEMINI_CLI_OAUTH_CLIENT_SECRET=${GEMINI_CLI_OAUTH_CLIENT_SECRET:-}
       - ANTIGRAVITY_OAUTH_CLIENT_SECRET=${ANTIGRAVITY_OAUTH_CLIENT_SECRET:-}
+      - ANTIGRAVITY_USER_AGENT_VERSION=${ANTIGRAVITY_USER_AGENT_VERSION:-}
 
       # =======================================================================
       # Security Configuration (URL Allowlist)