docs: update todo.md - mark #48 autofill as already implemented — Opus 4.5

Author: tribixbite

memory/todo.md

@@ -107,9 +107,14 @@
 - #52 MessageEase layout contribution
 - #50 Swedish language support
 - #49 Turkish language support
-- #48 Password Manager autofill support
 - #42 Integrate add-to-dictionary to typing
 
+**Already Implemented (needs user documentation)**:
+- #48 ✅ Password Manager autofill - ALREADY IMPLEMENTED (b769b0fc)
+  - Requires Android 11+ (API 30)
+  - Password manager must support inline suggestions
+  - InlineAutofillUtils.kt handles display in SuggestionBar
+
 ---
 
 ## Password Manager Clipboard Exclusion - IMPLEMENTED (2026-01-15)