Update CHANGELOG.md

Author: mrubens

CHANGELOG.md

@@ -1,12 +1,12 @@
 # Roo Code Changelog
 
-## 3.25.18
+## [3.25.18] - 2025-08-19
 
-### Patch Changes
-
--   - Fix: respect enableReasoningEffort setting when determining reasoning usage (#7048 by @ikbencasdoei, PR by @app/roomote)
--   - Fix: Add missing zaiApiKey and doubaoApiKey to SECRET_STATE_KEYS (#7082 by @app/roomote)
--   - Fix: respect enableReasoningEffort setting when determining reasoning usage (#7048 by @ikbencasdoei, PR by @app/roomote)
+- Add new stealth Sonic model through the Roo Code Cloud provider
+- Fix: respect enableReasoningEffort setting when determining reasoning usage (#7048 by @ikbencasdoei, PR by @app/roomote)
+- Fix: prevent duplicate LM Studio models with case-insensitive deduplication (#6954 by @fbuechler, PR by @daniel-lxs)
+- Feat: simplify ask_followup_question prompt documentation (thanks @daniel-lxs!)
+- Feat: simple read_file tool for single-file-only models (thanks @daniel-lxs!)
 
 ## [3.25.17] - 2025-08-17