Update context-mentions.md

Author: mrubens

docs/basic-usage/context-mentions.md

@@ -27,6 +27,12 @@ Use the `@problems` mention to include a list of all current errors and warnings
 *   **Example:** "@problems Fix all errors in the current file."
 * **Note:** This is especially useful when you see errors in the Problems panel and want Roo Code to address them.
 
+### Terminal Mention (`@terminal`)
+
+Use the `@terminal` mention to include the last command run in the terminal along with its output.
+
+*   **Example:** "Fix the warnings in the @terminal."
+
 ### Git Commit Mentions (`@a1b2c3d`)
 
 Use a Git commit hash (short or long) to include information about a specific commit.
@@ -59,4 +65,4 @@ Use a URL to have Roo Code fetch and include the content of a website.
 *   **Use Relative Paths:** When referring to files within your workspace, use paths relative to the workspace root.
 *   **Check for Typos:** Make sure the file paths and commit hashes are correct.
 
-Context mentions are a powerful tool for providing Roo Code with the information it needs to complete your tasks effectively.  Experiment with different types of mentions to see how they can improve your workflow.
+Context mentions are a powerful tool for providing Roo Code with the information it needs to complete your tasks effectively.  Experiment with different types of mentions to see how they can improve your workflow.