Metadata Sanitization and Security Fixes

This cluster focuses on enhancing security by sanitizing and managing metadata in user interactions to prevent leaks of sensitive information.

11 PRs

security security web-ui Representative: #20231

#	Title	Author	Created	GitHub
15998	fix: hide metadata block when only conversation_label is present	netmanyys	2026-02-14	View
20231	fix: strip untrusted metadata blocks from chat history rep	MisterGuy420	2026-02-18	View
20251	fix: sanitize error messages to prevent internal details and PII from leaking...	aldoeliacim	2026-02-18	View
20301	Security: scrub untrusted metadata from user-facing replies	ashishc2503	2026-02-18	View
20537	feat: centralized outbound message sanitization gate	echoVic	2026-02-19	View
21123	Docs/CI/MSTeams: close low-hanging parity gaps and add guardrails	webdevtodayjason	2026-02-19	View
22054	fix(auto-reply): Hide message_id and sender metadata in direct chats	jd316	2026-02-20	View
22088	fix(web): sanitize media errors to prevent PII leak	ashiabbott	2026-02-20	View
22442	test(ci): unbreak baseline tui metadata + msteams local-file assertions	SmithLabsLLC	2026-02-21	View
23271	fix(chat): strip untrusted metadata blocks from Control UI messages	lbo728	2026-02-22	View
23312	fix(gateway): strip inbound metadata in chat history sanitization	SidQin-cyber	2026-02-22	View