Update articles with more detail for custom instructions support in VS Code (#57835)

Author: hubwriter

content/copilot/how-tos/configure-custom-instructions/add-repository-instructions.md

@@ -261,6 +261,9 @@ Once saved, these instructions will apply to the current project in Eclipse that
 
 ## Creating repository-wide custom instructions
 
+> [!NOTE]
+> {% data reusables.copilot.custom-instructions-ccr-support %} See [AUTOTITLE](/copilot/how-tos/use-copilot-agents/request-a-code-review/use-code-review?tool=vscode).
+
 1. In the root of your repository, create a file named `.github/copilot-instructions.md`.
 
    Create the `.github` directory if it does not already exist.

content/copilot/how-tos/use-copilot-agents/request-a-code-review/use-code-review.md

@@ -134,6 +134,9 @@ To provide feedback, hover over the comment and click the thumbs up or thumbs do
 
 ## Customizing {% data variables.product.prodname_copilot_short %}'s reviews with custom instructions
 
+> [!NOTE]
+> {% data reusables.copilot.custom-instructions-ccr-support %}
+
 {% data reusables.copilot.code-review.custom-instructions-information %}
 
 {% endvscode %}

data/reusables/copilot/custom-instructions-ccr-support.md

@@ -0,0 +1 @@
+Currently, {% data variables.copilot.copilot_code-review_short %} in {% data variables.product.prodname_vscode_shortname %} only supports repository-wide custom instructions, and these are only supported when you are reviewing a selection of code in a file, not when reviewing all uncommitted changes.

data/reusables/copilot/repository-custom-instructions-support.md

@@ -4,20 +4,23 @@ Repository custom instructions let you provide {% data variables.product.prodnam
 
 ### Support for repository custom instructions
 
-The following table shows which {% data variables.product.prodname_copilot_short %} features support the `.github/copilot-instructions.md` instructions file.
+The following table shows which {% data variables.product.prodname_copilot_short %} features support custom instructions in various environments.
 
 {% rowheaders %}
 
 | | Eclipse | JetBrains IDEs | {% data variables.product.prodname_vs %} | {% data variables.product.prodname_vscode_shortname %} | {% data variables.product.prodname_dotcom_the_website %} | Xcode |
 | --- | --- | --- | --- | --- | --- | --- |
 | {% data variables.copilot.copilot_chat_short %} | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>3</sup> | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>1</sup> |
-| {% data variables.copilot.copilot_coding_agent %} | N/A | N/A | N/A | {% octicon "check" aria-label="Included" %} <sup>3</sup> | {% octicon "check" aria-label="Included" %} <sup>3</sup> | N/A |
-| {% data variables.copilot.copilot_code-review_short %} | N/A | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>2</sup> | {% octicon "check" aria-label="Included" %} <sup>2</sup> | {% octicon "x" aria-label="Not included" %} |
+| {% data variables.copilot.copilot_coding_agent %} | N/A | N/A | N/A | {% octicon "check" aria-label="Included" %} <sup>4</sup> | {% octicon "check" aria-label="Included" %} <sup>4</sup> | N/A |
+| {% data variables.copilot.copilot_code-review_short %} | N/A | {% octicon "x" aria-label="Not included" %} | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>1</sup> | {% octicon "check" aria-label="Included" %} <sup>2</sup> | {% octicon "x" aria-label="Not included" %} |
 
 {% endrowheaders %}
 
-**1:** Repository-wide instructions (using the `.github/copilot-instructions.md` file) are supported.<br>
-**2:** Repository-wide instructions and path-specific instructions (using `.github/instructions/**/NAME.instructions.md` files) are supported.<br>
-**3:** Repository-wide instructions, path-specific instructions, and agent instructions (using `AGENTS.md`, `CLAUDE.md` or `GEMINI.md` files) are supported.<br>
+**Types of custom instructions supported**
+
+**1:** Repository-wide instructions (using the `.github/copilot-instructions.md` file).<br>
+**2:** Repository-wide instructions and path-specific instructions (using `.github/instructions/**/NAME.instructions.md` files).<br>
+**3:** Repository-wide instructions, path-specific instructions, and a single `AGENTS.md` file in the root of the workspace.<br>
+**4:** Repository-wide instructions, path-specific instructions, and agent instructions (using `AGENTS.md`, `CLAUDE.md` or `GEMINI.md` files).<br>
 **X:** Custom instructions are not supported.<br>
 **N/A:** Feature not available on this platform.