feat: add QR login and browser-backed web tools

config.example.toml

@@ -5,10 +5,12 @@ session_dir = "sessions"
 [[accounts]]
 name = "personal"
 session = "personal"
+use_qr = true
 
 [[accounts]]
 name = "work"
 session = "work"
+use_qr = true
 
 [elevenlabs]
 api_key = "your_elevenlabs_api_key_here"
@@ -22,6 +24,8 @@ max_media_bytes = 5242880
 max_tool_rounds = 16
 brave_api_key = "your_brave_search_api_key_here"
 brave_timeout_seconds = 10
+web_page_timeout_seconds = 45
+web_page_max_chars = 60000
 
 [ai.glm]
 api_url = "https://api.z.ai/api/paas/v4"