IOS-5364 Updated cpp command

Author: ignatovv

.claude/commands/cpp.md

@@ -1 +1,30 @@
-Commit, push, pull request 
+Commit, push, pull request
+
+## Usage
+```
+/cpp [in branch <branch-name>]
+```
+
+## Description
+Commits the current changes, pushes to remote, and creates a pull request.
+
+## Optional Arguments
+- `in branch <branch-name>` - Specifies the target branch to use for the commit, push, and PR
+
+## Branch Handling
+When a branch name is provided:
+1. **Branch doesn't exist locally or remotely**: Creates a new branch with the specified name
+2. **Branch exists locally**: Switches to that branch
+3. **Branch exists only remotely**: Checks out the remote branch locally
+
+## Examples
+```bash
+# Commit, push, and PR on current branch
+/cpp
+
+# Commit, push, and PR on specific branch (creates if doesn't exist)
+/cpp in branch ios-5364-add-claude-to-gh-actions
+
+# Commit, push, and PR on existing branch
+/cpp in branch develop
+```