docs: update changelog for 1.0.5

Co-authored-by: QoderAI (Qwen 3.8 Max) <qoder_ai@qoder.com>

Author: luoxuanzao

CHANGELOG.md

@@ -11,6 +11,8 @@ version with its date and start a fresh empty `[Unreleased]` above it.
 
 ## [Unreleased]
 
+## [1.0.5] - 2026-08-18
+
 ### Added
 
 - Credits usage panel in the chat view: a gauge button next to the
@@ -38,6 +40,12 @@ version with its date and start a fresh empty `[Unreleased]` above it.
   thinking effort levels. Choices persist per model and are applied
   to every request.
 
+### Changed
+
+- The credits usage button now shows a static "Usage" tooltip through
+  Obsidian's native tooltip (aria-label), matching the other nav-row
+  buttons, instead of a browser title tooltip with the live percentage.
+
 ### Removed
 
 - The global "Effort" dropdown in the input toolbar: reasoning effort
@@ -74,15 +82,6 @@ version with its date and start a fresh empty `[Unreleased]` above it.
   default window while a response is streaming: mid-turn usage
   snapshots now carry the configured context-window tier, and zeroed
   snapshots can no longer overwrite an existing reading.
-
-### Changed
-
-- The credits usage button now shows a static "Usage" tooltip through
-  Obsidian's native tooltip (aria-label), matching the other nav-row
-  buttons, instead of a browser title tooltip with the live percentage.
-
-### Fixed
-
 - Settings changed on Obsidian 1.13+ (language, auto-scroll, and the
   other simple toggles) now persist across restarts: the declarative
   control writes were only mirrored into the plugin data file, not the