feat: add Rewind Confirmation dialog and Rewind Viewer component (#15717)

docs/cli/commands.md

@@ -167,6 +167,13 @@ Slash commands provide meta-level control over the CLI itself.
   - **Note:** Only available if checkpointing is configured via
     [settings](../get-started/configuration.md). See
     [Checkpointing documentation](../cli/checkpointing.md) for more details.
+
+- [**`/rewind`**](./rewind.md)
+  - **Description:** Browse and rewind previous interactions. Allows you to
+    rewind the conversation, revert file changes, or both. Provides an
+    interactive interface to select the exact point to rewind to.
+  - **Keyboard shortcut:** Press **Esc** twice.
+
 - **`/resume`**
   - **Description:** Browse and resume previous conversation sessions. Opens an
     interactive session browser where you can search, filter, and select from