chore: Update CHANGELOG.md

CHANGELOG.md

@@ -1,5 +1,33 @@
 # Changelog
 
+## 2.1.6
+
+- Added search functionality to `/config` command for quickly filtering settings
+- Added Updates section to `/doctor` showing auto-update channel and available npm versions (stable/latest)
+- Added date range filtering to `/stats` command - press `r` to cycle between Last 7 days, Last 30 days, and All time
+- Added automatic discovery of skills from nested `.claude/skills` directories when working with files in subdirectories
+- Added `context_window.used_percentage` and `context_window.remaining_percentage` fields to status line input for easier context window display
+- Added an error display when the editor fails during Ctrl+G
+- Fixed permission bypass via shell line continuation that could allow blocked commands to execute
+- Fixed false "File has been unexpectedly modified" errors when file watchers touch files without changing content
+- Fixed text styling (bold, colors) getting progressively misaligned in multi-line responses
+- Fixed the feedback panel closing unexpectedly when typing 'n' in the description field
+- Fixed rate limit warning appearing at low usage after weekly reset (now requires 70% usage)
+- Fixed rate limit options menu incorrectly auto-opening when resuming a previous session
+- Fixed numpad keys outputting escape sequences instead of characters in Kitty keyboard protocol terminals
+- Fixed Option+Return not inserting newlines in Kitty keyboard protocol terminals
+- Fixed corrupted config backup files accumulating in the home directory (now only one backup is created per config file)
+- Fixed `mcp list` and `mcp get` commands leaving orphaned MCP server processes
+- Fixed visual artifacts in ink2 mode when nodes become hidden via `display:none`
+- Improved the external CLAUDE.md imports approval dialog to show which files are being imported and from where
+- Improved the `/tasks` dialog to go directly to task details when there's only one background task running
+- Improved @ autocomplete with icons for different suggestion types and single-line formatting
+- Updated "Help improve Claude" setting fetch to refresh OAuth and retry when it fails due to a stale OAuth token
+- Changed task notification display to cap at 3 lines with overflow summary when multiple background tasks complete simultaneously
+- Changed terminal title to "Claude Code" on startup for better window identification
+- Removed ability to @-mention MCP servers to enable/disable - use `/mcp enable <name>` instead
+- [VSCode] Fixed usage indicator not updating after manual compact
+
 ## 2.1.5
 
 - Added `CLAUDE_CODE_TMPDIR` environment variable to override the temp directory used for internal temp files, useful for environments with custom temp directory requirements