Merge remote-tracking branch 'upstream/main'

# Conflicts:
#	README.md
#	cli/src/connection.rs
#	cli/src/flags.rs
#	cli/src/main.rs
#	src/browser.ts
#	src/protocol.ts

cli/src/output.rs

@@ -995,14 +995,17 @@ Use Cases:
             r##"
 agent-browser scroll - Scroll the page
 
-Usage: agent-browser scroll [direction] [amount]
+Usage: agent-browser scroll [direction] [amount] [options]
 
-Scrolls the page in the specified direction.
+Scrolls the page or a specific element in the specified direction.
 
 Arguments:
   direction            up, down, left, right (default: down)
   amount               Pixels to scroll (default: 300)
 
+Options:
+  -s, --selector <sel> CSS selector for a scrollable container
+
 Global Options:
   --json               Output as JSON
   --session <name>     Use specific session
@@ -1012,6 +1015,7 @@ Examples:
   agent-browser scroll down 500
   agent-browser scroll up 200
   agent-browser scroll left 100
+  agent-browser scroll down 500 --selector "div.scroll-container"
 "##
         }
         "scrollintoview" | "scrollinto" => {
@@ -2130,6 +2134,7 @@ Options:
   --auto-connect             Auto-discover and connect to running Chrome
                              Project default: require existing browser at localhost:9333 (no auto local fallback)
   --color-scheme <scheme>    Color scheme: dark, light, no-preference (or AGENT_BROWSER_COLOR_SCHEME)
+  --download-path <path>     Default download directory (or AGENT_BROWSER_DOWNLOAD_PATH)
   --session-name <name>      Auto-save/restore session state (cookies, localStorage)
   --config <path>            Use a custom config file (or AGENT_BROWSER_CONFIG env)
   --debug                    Debug output
@@ -2180,6 +2185,7 @@ Environment:
   AGENT_BROWSER_LOCALE           Override auto-detected locale (e.g., zh-TW, ja-JP)
   AGENT_BROWSER_TIMEZONE         Override auto-detected timezone (e.g., Asia/Taipei)
   AGENT_BROWSER_COLOR_SCHEME     Color scheme preference (dark, light, no-preference)
+  AGENT_BROWSER_DOWNLOAD_PATH    Default download directory for browser downloads
   AGENT_BROWSER_DEFAULT_TIMEOUT  Default Playwright timeout in ms (default: 25000)
   AGENT_BROWSER_SESSION_NAME     Auto-save/load state persistence name
   AGENT_BROWSER_STATE_EXPIRE_DAYS Auto-delete saved states older than N days (default: 30)