개발언어 워크플로 힌트와 문서 품질 출력 경로를 고도화한다

- CodeLanguageCatalog에 manifest/build/test/lint 조회 API와 workflow summary 조합기를 추가해 no-LSP fallback과 컨텍스트 생성이 같은 힌트 소스를 재사용하도록 정리한다.

- WorkspaceContextGenerator에 Language Workflow 섹션을 추가해 상위 언어의 실행 힌트를 .ax-context.md에 기록하고, HtmlSkill/ExcelSkill은 공통 ArtifactQualityOutputFormatter로 품질 요약과 repair guide를 일관되게 출력하도록 맞춘다.

- README.md, docs/DEVELOPMENT.md, docs/NEXT_ROADMAP.md를 2026-04-15 09:49 (KST) 기준으로 갱신하고, CodeLanguageCatalogTests 및 WorkspaceContextGeneratorTests를 확장해 빌드 경고 0/오류 0과 관련 테스트 35건 통과를 확인한다.

src/AxCopilot/Services/Agent/ArtifactQualityOutputFormatter.cs

@@ -0,0 +1,10 @@
+namespace AxCopilot.Services.Agent;
+
+public static class ArtifactQualityOutputFormatter
+{
+    public static IReadOnlyList<string> BuildLines(ArtifactQualityReport review)
+        => [review.ToToolSummary(), ArtifactRepairGuideService.BuildGuide(review)];
+
+    public static IReadOnlyList<string> BuildLines(DeckQualityReport review)
+        => [review.ToToolSummary(), DeckRepairGuideService.BuildGuide(review)];
+}

src/AxCopilot/Services/Agent/ExcelSkill.cs

@@ -222,8 +222,8 @@ public class ExcelSkill : IAgentTool
             false,
             false,
             false));
-        features += $"\n{review.ToToolSummary()}";
-        features += $"\n{ArtifactRepairGuideService.BuildGuide(review)}";
+        foreach (var line in ArtifactQualityOutputFormatter.BuildLines(review))
+            features += $"\n{line}";
 
         return ToolResult.Ok(
             $"Excel 파일 생성 완료: {fullPath}\n시트: {sheetName}, 열: {colCount}, 행: {rowCount}{features}",
@@ -333,8 +333,8 @@ public class ExcelSkill : IAgentTool
             HasSummaryItems(summarySheet, "scorecards") || HasSummaryItems(summarySheet, "cards") || HasSummaryItems(summarySheet, "kpis") || HasSummaryItems(summarySheet, "trend_series") || HasSummaryItems(summarySheet, "dashboard_tiles") || HasSummaryItems(summarySheet, "variance_series"),
             HasStructuredSummaryContent(summarySheet, "decision_summary"),
             HasSummaryItems(summarySheet, "sheet_summaries")));
-        features += $"\n{review.ToToolSummary()}";
-        features += $"\n{ArtifactRepairGuideService.BuildGuide(review)}";
+        foreach (var line in ArtifactQualityOutputFormatter.BuildLines(review))
+            features += $"\n{line}";
 
         return ToolResult.Ok(
             $"Excel ?뚯씪 ?앹꽦 ?꾨즺: {fullPath}\n?쒗듃: {summaryName}, {sheetName}, ?? {colCount}, ?? {rowCount}{features} [?붿빟 ?쒗듃]",

src/AxCopilot/Services/Agent/HtmlSkill.cs

@@ -308,8 +308,8 @@ public class HtmlSkill : IAgentTool
                 useToc,
                 usePrint,
                 !string.IsNullOrWhiteSpace(printHeader) || !string.IsNullOrWhiteSpace(printFooter));
-            featureStr += $"\n{review.ToToolSummary()}";
-            featureStr += $"\n{ArtifactRepairGuideService.BuildGuide(review)}";
+            foreach (var line in ArtifactQualityOutputFormatter.BuildLines(review))
+                featureStr += $"\n{line}";
 
             return ToolResult.Ok(
                 $"HTML 문서 생성 완료: {fullPath} (디자인: {mood}{featureStr})",

src/AxCopilot/Services/Agent/WorkspaceContextGenerator.cs

@@ -94,6 +94,15 @@ internal static class WorkspaceContextGenerator
         }
 
         // 4. 기존 컨텍스트 파일 감지
+        var workflowGuidance = BuildLanguageWorkflow(extDist);
+        if (workflowGuidance.Count > 0)
+        {
+            sb.AppendLine("## Language Workflow");
+            foreach (var line in workflowGuidance)
+                sb.AppendLine($"- {line}");
+            sb.AppendLine();
+        }
+
         var contextFiles = DetectContextFiles(workFolder);
         if (contextFiles.Count > 0)
         {
@@ -440,6 +449,28 @@ internal static class WorkspaceContextGenerator
             .Select(x => $"{x.Language}: {x.Count} file(s)")
             .ToList();
 
+    private static List<string> BuildLanguageWorkflow(List<KeyValuePair<string, int>> extDist)
+    {
+        var workflow = new List<string>();
+        var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var (extension, _) in extDist)
+        {
+            var capability = Services.CodeLanguageCatalog.FindByExtension(extension);
+            if (capability == null || !seen.Add(capability.Key))
+                continue;
+
+            var summary = Services.CodeLanguageCatalog.BuildWorkflowSummary(capability.Key);
+            if (!string.IsNullOrWhiteSpace(summary))
+                workflow.Add(summary);
+
+            if (workflow.Count >= 3)
+                break;
+        }
+
+        return workflow;
+    }
+
     private static async Task<(string? Branch, string? Remote)> GetGitInfoAsync(
         string folder, CancellationToken ct)
     {