Add GitHub Docs toolset instructions and corresponding tests

Author: colindembovsky

pkg/github/instructions.go

@@ -62,6 +62,15 @@ Check 'list_issue_types' first for organizations to use proper issue types. Use
 		return `## Discussions
 		
 Use 'list_discussion_categories' to understand available categories before creating discussions. Filter by category for better organization.`
+	case "github_docs":
+		return `## GitHub Docs
+
+When searching GitHub documentation:
+1. First, call 'search_github_docs' to find relevant documentation pages
+2. Then, present ALL relevant results as a list with clickable hyperlinks to the user
+3. Finally, use 'fetch_webpage' to retrieve the full content from one or more of the returned URLs to provide a detailed answer grounded in the documentation
+
+Always show the search results before fetching and summarizing the content.`
 	default:
 		return ""
 	}

pkg/github/instructions_test.go

@@ -36,6 +36,11 @@ func TestGenerateInstructions(t *testing.T) {
 			enabledToolsets: []string{"discussions"},
 			expectedEmpty:   false,
 		},
+		{
+			name:            "github_docs toolset",
+			enabledToolsets: []string{"github_docs"},
+			expectedEmpty:   false,
+		},
 		{
 			name:            "multiple toolsets (context + pull_requests)",
 			enabledToolsets: []string{"context", "pull_requests"},
@@ -143,6 +148,10 @@ func TestGetToolsetInstructions(t *testing.T) {
 			toolset:       "discussions",
 			expectedEmpty: false,
 		},
+		{
+			toolset:       "github_docs",
+			expectedEmpty: false,
+		},
 		{
 			toolset:       "nonexistent",
 			expectedEmpty: true,