?? ??? 3?? DOCX ????XLSX ?? ???HTML ???? ?? ??

- DocumentAssemblerTool? template_path/page_numbers? ??? DOCX ??? ??, ??????????? ?? ??? ??
- ExcelSkill? data_validations? ???? ??/??/?? ?? ??? ?? ??? ?? ?? ?? ??
- HtmlSkill? ArtifactQualityReviewService? decision_summary/evidence_cards ??? ?? ?? ?? ??? ??
- DocumentAssemblerDocxFeaturesTests, HtmlSkillConsultingSectionsTests, ExcelSkillDataValidationTests? ?? ??? ??
- README.md? docs/DEVELOPMENT.md? 2026-04-14 22:28 (KST) ???? ??

??:
- dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify_doc_phase_next\\ -p:IntermediateOutputPath=obj\\verify_doc_phase_next\\ (?? 0 / ?? 0)
- dotnet test src/AxCopilot.Tests/AxCopilot.Tests.csproj -c Release -v minimal --filter "DocumentAssemblerDocxFeaturesTests|DocumentAssemblerSemanticTests|DocumentPlannerWorkbookScaffoldTests|ExcelSkillExecutiveSummaryLinkTests|ExcelSkillSummarySheetTests|ExcelSkillDataValidationTests|HtmlSkillConsultingSectionsTests|DocxSkillTemplateFeaturesTests|DocumentPlannerBusinessDocumentTests" -p:OutputPath=bin\\verify_doc_phase_next_tests\\ -p:IntermediateOutputPath=obj\\verify_doc_phase_next_tests\\ (?? 9)

src/AxCopilot/Services/Agent/ArtifactQualityReviewService.cs

@@ -85,6 +85,8 @@ public static class ArtifactQualityReviewService
         var comparisonCount = Regex.Matches(html, @"comparison-grid|comparison-card", RegexOptions.IgnoreCase).Count;
         var roadmapCount = Regex.Matches(html, @"roadmap(-block|-phase)?", RegexOptions.IgnoreCase).Count;
         var matrixCount = Regex.Matches(html, @"matrix-grid|risk-matrix", RegexOptions.IgnoreCase).Count;
+        var decisionCount = Regex.Matches(html, @"decision-summary", RegexOptions.IgnoreCase).Count;
+        var evidenceCardCount = Regex.Matches(html, @"evidence-cards|evidence-card", RegexOptions.IgnoreCase).Count;
         var kpiCount = Regex.Matches(html, @"kpi-card|kpi-grid|metric-card", RegexOptions.IgnoreCase).Count;
         var placeholderCount = CountPlaceholders(html);
 
@@ -92,7 +94,7 @@ public static class ArtifactQualityReviewService
         if (hasTableOfContents) strengths.Add("목차 자동 생성");
         if (printReady) strengths.Add("인쇄 최적화 CSS 포함");
         if (sectionCount >= 5) strengths.Add($"핵심 섹션 {sectionCount}개 구성");
-        if (tableCount > 0 || comparisonCount > 0 || roadmapCount > 0 || matrixCount > 0 || kpiCount > 0)
+        if (tableCount > 0 || comparisonCount > 0 || roadmapCount > 0 || matrixCount > 0 || decisionCount > 0 || evidenceCardCount > 0 || kpiCount > 0)
             strengths.Add("표/비교/로드맵/KPI 등 구조화 블록 활용");
         if (calloutCount > 0) strengths.Add("핵심 메시지 강조 블록 포함");
 
@@ -102,7 +104,7 @@ public static class ArtifactQualityReviewService
             issues.Add(new("업무 문서 기준 핵심 섹션 수가 부족합니다", ArtifactReviewSeverity.Warning));
         if (paragraphCount < sectionCount * 2)
             issues.Add(new("일부 섹션의 서술이 충분하지 않습니다", ArtifactReviewSeverity.Warning));
-        if (tableCount + comparisonCount + roadmapCount + matrixCount + kpiCount == 0)
+        if (tableCount + comparisonCount + roadmapCount + matrixCount + decisionCount + evidenceCardCount + kpiCount == 0)
             issues.Add(new("구조화 시각 요소가 없어 보고서 완성도가 낮을 수 있습니다", ArtifactReviewSeverity.Warning));
         if (placeholderCount > 0)
             issues.Add(new($"플레이스홀더/미완성 표현 {placeholderCount}건이 남아 있습니다", ArtifactReviewSeverity.Critical));

src/AxCopilot/Services/Agent/DocumentAssemblerTool.cs

@@ -57,8 +57,10 @@ public class DocumentAssemblerTool : IAgentTool
             },
             ["toc"] = new() { Type = "boolean", Description = "Auto-generate table of contents. Default: true" },
             ["cover_subtitle"] = new() { Type = "string", Description = "Subtitle for cover page. If provided, a cover page is added." },
+            ["template_path"] = new() { Type = "string", Description = "Optional .docx template path for DOCX output. Reuses template styles and section setup." },
             ["header"] = new() { Type = "string", Description = "Header text for DOCX output." },
             ["footer"] = new() { Type = "string", Description = "Footer text for DOCX output. Use {page} for page number." },
+            ["page_numbers"] = new() { Type = "boolean", Description = "Show page numbers in DOCX footer. Default: true when header or footer is set." },
         },
         Required = ["path", "title", "sections"]
     };
@@ -71,8 +73,12 @@ public class DocumentAssemblerTool : IAgentTool
         var requestedMood = args.SafeTryGetProperty("mood", out var m) ? m.SafeGetString() ?? GetDefaultMood() : GetDefaultMood();
         var useToc = !args.SafeTryGetProperty("toc", out var tocVal) || tocVal.GetBoolean(); // default true
         var coverSubtitle = args.SafeTryGetProperty("cover_subtitle", out var cs) ? cs.SafeGetString() : null;
+        var templatePath = args.SafeTryGetProperty("template_path", out var templateEl) ? templateEl.SafeGetString() : null;
         var headerText = args.SafeTryGetProperty("header", out var hdr) ? hdr.SafeGetString() : null;
         var footerText = args.SafeTryGetProperty("footer", out var ftr) ? ftr.SafeGetString() : null;
+        var showPageNumbers = args.SafeTryGetProperty("page_numbers", out var pageNumbersEl)
+            ? pageNumbersEl.ValueKind == JsonValueKind.True
+            : !string.IsNullOrWhiteSpace(headerText) || !string.IsNullOrWhiteSpace(footerText);
 
         if (!args.SafeTryGetProperty("sections", out var sectionsEl) || sectionsEl.ValueKind != JsonValueKind.Array)
             return ToolResult.Fail("sections 배열이 필요합니다.");
@@ -114,13 +120,27 @@ public class DocumentAssemblerTool : IAgentTool
         var dir = Path.GetDirectoryName(fullPath);
         if (!string.IsNullOrEmpty(dir)) Directory.CreateDirectory(dir);
 
+        string? templateFullPath = null;
+        if (!string.IsNullOrWhiteSpace(templatePath))
+        {
+            templateFullPath = FileReadTool.ResolvePath(templatePath, context.WorkFolder);
+            if (!templateFullPath.EndsWith(".docx", StringComparison.OrdinalIgnoreCase))
+                templateFullPath += ".docx";
+            if (!context.IsPathAllowed(templateFullPath))
+                return ToolResult.Fail($"템플릿 경로 접근 차단: {templateFullPath}");
+            if (!File.Exists(templateFullPath))
+                return ToolResult.Fail($"DOCX 템플릿을 찾을 수 없습니다: {templateFullPath}");
+            if (string.Equals(Path.GetFullPath(templateFullPath), Path.GetFullPath(fullPath), StringComparison.OrdinalIgnoreCase))
+                return ToolResult.Fail("template_path와 path는 같은 파일일 수 없습니다.");
+        }
+
         try
         {
             string resultMsg;
             switch (format)
             {
                 case "docx":
-                    resultMsg = AssembleDocx(fullPath, title, sections, useToc, coverSubtitle, headerText, footerText);
+                    resultMsg = AssembleDocx(fullPath, title, sections, useToc, coverSubtitle, templateFullPath, headerText, footerText, showPageNumbers);
                     break;
                 case "markdown":
                     resultMsg = AssembleMarkdown(fullPath, title, sections);
@@ -239,19 +259,21 @@ public class DocumentAssemblerTool : IAgentTool
     }
 
     private string AssembleDocx(string path, string title, List<(string Heading, string Content, int Level)> sections,
-        bool useToc, string? coverSubtitle, string? headerText, string? footerText)
+        bool useToc, string? coverSubtitle, string? templatePath, string? headerText, string? footerText, bool showPageNumbers)
     {
-        using var doc = DocumentFormat.OpenXml.Packaging.WordprocessingDocument.Create(
-            path, DocumentFormat.OpenXml.WordprocessingDocumentType.Document);
+        var templateApplied = !string.IsNullOrWhiteSpace(templatePath);
+        if (templateApplied)
+            File.Copy(templatePath!, path, true);
 
-        var mainPart = doc.AddMainDocumentPart();
+        using var doc = templateApplied
+            ? DocumentFormat.OpenXml.Packaging.WordprocessingDocument.Open(path, true)
+            : DocumentFormat.OpenXml.Packaging.WordprocessingDocument.Create(path, DocumentFormat.OpenXml.WordprocessingDocumentType.Document);
 
-        var stylesPart = mainPart.AddNewPart<DocumentFormat.OpenXml.Packaging.StyleDefinitionsPart>();
-        stylesPart.Styles = CreateDefaultDocxStyles();
-        stylesPart.Styles.Save();
+        var mainPart = doc.MainDocumentPart ?? doc.AddMainDocumentPart();
 
-        mainPart.Document = new DocumentFormat.OpenXml.Wordprocessing.Document();
-        var body = mainPart.Document.AppendChild(new DocumentFormat.OpenXml.Wordprocessing.Body());
+        EnsureAssemblerStyles(mainPart, templateApplied);
+
+        var body = InitializeAssemblerBody(mainPart, templateApplied);
 
         DocumentFormat.OpenXml.Wordprocessing.RunFonts KoreanFonts() => new()
         {
@@ -470,8 +492,8 @@ public class DocumentAssemblerTool : IAgentTool
                 Header = 720, Footer = 720, Gutter = 0 }
         ));
 
-        if (!string.IsNullOrWhiteSpace(headerText) || !string.IsNullOrWhiteSpace(footerText))
-            AddAssemblerHeaderFooter(mainPart, body, headerText, footerText, showPageNumbers: true);
+        if (!string.IsNullOrWhiteSpace(headerText) || !string.IsNullOrWhiteSpace(footerText) || showPageNumbers)
+            AddAssemblerHeaderFooter(mainPart, body, headerText, footerText, showPageNumbers);
 
         mainPart.Document.Save();
 
@@ -486,7 +508,7 @@ public class DocumentAssemblerTool : IAgentTool
             0,
             includeCover,
             useToc && sections.Count > 3,
-            false,
+            templateApplied,
             !string.IsNullOrWhiteSpace(headerText) || !string.IsNullOrWhiteSpace(footerText),
             headings.Any(h => ArtifactQualityReviewService.ContainsBusinessKeyword(h, "executive summary", "summary", "요약")),
             headings.Any(h => ArtifactQualityReviewService.ContainsBusinessKeyword(h, "recommendation", "proposal", "next step", "action", "권고", "실행")),
@@ -608,6 +630,45 @@ public class DocumentAssemblerTool : IAgentTool
         return styles;
     }
 
+    private static DocumentFormat.OpenXml.Wordprocessing.Body InitializeAssemblerBody(
+        DocumentFormat.OpenXml.Packaging.MainDocumentPart mainPart,
+        bool preserveSectionSetup)
+    {
+        mainPart.Document ??= new DocumentFormat.OpenXml.Wordprocessing.Document();
+
+        DocumentFormat.OpenXml.Wordprocessing.SectionProperties? preservedSection = null;
+        if (preserveSectionSetup)
+            preservedSection = mainPart.Document.Body?.Elements<DocumentFormat.OpenXml.Wordprocessing.SectionProperties>().LastOrDefault()?.CloneNode(true) as DocumentFormat.OpenXml.Wordprocessing.SectionProperties;
+
+        mainPart.Document.Body = new DocumentFormat.OpenXml.Wordprocessing.Body();
+        var body = mainPart.Document.Body;
+
+        if (preservedSection != null)
+            body.Append(preservedSection);
+
+        return body;
+    }
+
+    private static void EnsureAssemblerStyles(
+        DocumentFormat.OpenXml.Packaging.MainDocumentPart mainPart,
+        bool preserveExisting)
+    {
+        var stylesPart = mainPart.StyleDefinitionsPart;
+        if (stylesPart == null)
+        {
+            stylesPart = mainPart.AddNewPart<DocumentFormat.OpenXml.Packaging.StyleDefinitionsPart>();
+            stylesPart.Styles = CreateDefaultDocxStyles();
+            stylesPart.Styles.Save();
+            return;
+        }
+
+        if (!preserveExisting || stylesPart.Styles == null)
+        {
+            stylesPart.Styles = CreateDefaultDocxStyles();
+            stylesPart.Styles.Save();
+        }
+    }
+
     private static void AppendAssemblerCoverPage(DocumentFormat.OpenXml.Wordprocessing.Body body, string title, string subtitle)
     {
         body.Append(new DocumentFormat.OpenXml.Wordprocessing.Paragraph(

src/AxCopilot/Services/Agent/ExcelSkill.cs

@@ -42,8 +42,9 @@ public class ExcelSkill : IAgentTool
                     "Example: {\"name\":\"Summary\",\"title\":\"2026 운영 리뷰\",\"subtitle\":\"핵심 KPI와 후속 과제\",\"kpis\":[{\"label\":\"Revenue\",\"value\":\"12%\",\"trend\":\"YoY\",\"note\":\"Strong\"}],\"highlights\":[\"핵심 인사이트 1\",\"핵심 인사이트 2\"],\"actions\":[\"즉시 과제 1\",\"즉시 과제 2\"]}"
             },
             ["number_formats"] = new() { Type = "array", Description = "Number format per column index. Supported: 'currency' (#,##0\"원\"), 'percent' (0.00%), 'decimal' (#,##0.00), 'integer' (#,##0), 'date' (yyyy-mm-dd), or any custom Excel format string. e.g. [\"text\",\"integer\",\"currency\",\"percent\"]", Items = new() { Type = "string" } },
+            ["data_validations"] = new() { Type = "array", Description = "Validation rules such as [{\"range\":\"E2:E100\",\"type\":\"list\",\"formula1\":\"\\\"Open,In Progress,Done\\\"\",\"allow_blank\":true,\"prompt\":\"Select status\"}].", Items = new() { Type = "object" } },
             ["col_alignments"] = new() { Type = "array", Description = "Horizontal alignment per column: 'left', 'center', 'right'. Headers always center-aligned.", Items = new() { Type = "string" } },
-            ["sheets"] = new() { Type = "array", Description = "Multi-sheet mode: array of sheet objects [{name, headers, rows, style?, theme?, col_widths?, freeze_header?, number_formats?, col_alignments?, merges?, summary_row?}]. When present, overrides top-level headers/rows/sheet_name.", Items = new() { Type = "object" } },
+            ["sheets"] = new() { Type = "array", Description = "Multi-sheet mode: array of sheet objects [{name, headers, rows, style?, theme?, col_widths?, freeze_header?, number_formats?, col_alignments?, merges?, summary_row?, data_validations?}]. When present, overrides top-level headers/rows/sheet_name.", Items = new() { Type = "object" } },
         },
         Required = []
     };
@@ -183,10 +184,11 @@ public class ExcelSkill : IAgentTool
 
         var summaryArg = args.SafeTryGetProperty("summary_row", out var sumEl) ? sumEl : default;
         var mergesArg  = args.SafeTryGetProperty("merges", out var mergeEl)    ? mergeEl : default;
+        var validationsArg = args.SafeTryGetProperty("data_validations", out var validationsEl) ? validationsEl : default;
 
-        var rowCount = WriteSheetContent(worksheetPart, args, sheetName, headers, rows,
+        var (rowCount, validationCount) = WriteSheetContent(worksheetPart, args, sheetName, headers, rows,
             isStyled, freezeHeader, theme, numFmts, alignments, customFmts,
-            summaryArg, mergesArg, colCount);
+            summaryArg, mergesArg, validationsArg, colCount);
 
         var wbSheets = workbookPart.Workbook.AppendChild(new Sheets());
         wbSheets.Append(new Sheet
@@ -209,7 +211,7 @@ public class ExcelSkill : IAgentTool
             rowCount,
             CountFormulaCells(rows),
             0,
-            0,
+            validationCount,
             false,
             false,
             summaryArg.ValueKind == JsonValueKind.Object));
@@ -270,9 +272,10 @@ public class ExcelSkill : IAgentTool
         var colCount = headers.GetArrayLength();
         var summaryArg = args.SafeTryGetProperty("summary_row", out var sumEl) ? sumEl : default;
         var mergesArg = args.SafeTryGetProperty("merges", out var mergeEl) ? mergeEl : default;
-        var rowCount = WriteSheetContent(worksheetPart, args, sheetName, headers, rows,
+        var validationsArg = args.SafeTryGetProperty("data_validations", out var validationsEl) ? validationsEl : default;
+        var (rowCount, validationCount) = WriteSheetContent(worksheetPart, args, sheetName, headers, rows,
             isStyled, freezeHeader, theme, numFmts, alignments, customFmts,
-            summaryArg, mergesArg, colCount);
+            summaryArg, mergesArg, validationsArg, colCount);
 
         wbSheets.Append(new Sheet
         {
@@ -294,7 +297,7 @@ public class ExcelSkill : IAgentTool
             rowCount,
             CountFormulaCells(rows),
             1,
-            0,
+            validationCount,
             true,
             HasSummaryItems(summarySheet, "highlights"),
             HasSummaryItems(summarySheet, "actions")));
@@ -339,6 +342,7 @@ public class ExcelSkill : IAgentTool
         var totalSheets = 0;
         var totalRows = 0;
         var totalFormulaCount = 0;
+        var totalValidationCount = 0;
         var detailSheetNames = new List<string>();
 
         foreach (var sheetDef in sheetsArr.EnumerateArray())
@@ -381,13 +385,14 @@ public class ExcelSkill : IAgentTool
             var colCount   = headers.GetArrayLength();
             var summaryArg = sheetDef.SafeTryGetProperty("summary_row", out var sumEl) ? sumEl : default;
             var mergesArg  = sheetDef.SafeTryGetProperty("merges", out var mergeEl)    ? mergeEl : default;
+            var validationsArg = sheetDef.SafeTryGetProperty("data_validations", out var validationsEl) ? validationsEl : default;
 
             var worksheetPart = workbookPart.AddNewPart<WorksheetPart>();
             worksheetPart.Worksheet = new Worksheet();
 
-            var rowCount = WriteSheetContent(worksheetPart, sheetDef, sheetName, headers, rows,
+            var (rowCount, validationCount) = WriteSheetContent(worksheetPart, sheetDef, sheetName, headers, rows,
                 isStyled, freezeHeader, theme, numFmts, alignments, combinedCustomFmts,
-                summaryArg, mergesArg, colCount);
+                summaryArg, mergesArg, validationsArg, colCount);
 
             wbSheets.Append(new Sheet
             {
@@ -400,11 +405,23 @@ public class ExcelSkill : IAgentTool
             totalSheets++;
             totalRows += rowCount;
             totalFormulaCount += CountFormulaCells(rows);
+            totalValidationCount += validationCount;
         }
 
         workbookPart.Workbook.Save();
+        var review = ArtifactQualityReviewService.ReviewWorkbook(new WorkbookReviewInput(
+            fullPath,
+            totalSheets + (summarySheet.ValueKind == JsonValueKind.Object ? 1 : 0),
+            totalSheets,
+            totalRows,
+            totalFormulaCount,
+            summarySheet.ValueKind == JsonValueKind.Object ? detailSheetNames.Count : 0,
+            totalValidationCount,
+            summarySheet.ValueKind == JsonValueKind.Object,
+            HasSummaryItems(summarySheet, "highlights"),
+            HasSummaryItems(summarySheet, "actions")));
         return ToolResult.Ok(
-            $"Excel 파일 생성 완료: {fullPath}\n시트: {totalSheets}개, 총 데이터 행: {totalRows}",
+            $"Excel 파일 생성 완료: {fullPath}\n시트: {totalSheets}개, 총 데이터 행: {totalRows}\n{review.ToToolSummary()}",
             fullPath);
     }
 
@@ -534,7 +551,7 @@ public class ExcelSkill : IAgentTool
         };
     }
 
-    private static int WriteSheetContent(
+    private static (int RowCount, int ValidationCount) WriteSheetContent(
         WorksheetPart worksheetPart,
         JsonElement args,
         string sheetName,
@@ -548,6 +565,7 @@ public class ExcelSkill : IAgentTool
         List<(string code, uint id)> customFmtRegistry,
         JsonElement summaryArg,
         JsonElement mergesArg,
+        JsonElement validationsArg,
         int colCount)
     {
         // Column widths
@@ -626,19 +644,22 @@ public class ExcelSkill : IAgentTool
             AddSummaryRow(sheetData, summaryArg, rowNum, colCount, rowCount, isStyled);
 
         // Cell merges
+        MergeCells? mergeCellsSection = null;
         if (mergesArg.ValueKind == JsonValueKind.Array)
         {
-            var mergeCells = new MergeCells();
+            mergeCellsSection = new MergeCells();
             foreach (var merge in mergesArg.EnumerateArray())
             {
                 var range = merge.SafeGetString();
                 if (!string.IsNullOrEmpty(range))
-                    mergeCells.Append(new MergeCell { Reference = range });
+                    mergeCellsSection.Append(new MergeCell { Reference = range });
             }
-            if (mergeCells.HasChildren)
-                worksheetPart.Worksheet.InsertAfter(mergeCells, sheetData);
+            if (mergeCellsSection.HasChildren)
+                worksheetPart.Worksheet.InsertAfter(mergeCellsSection, sheetData);
         }
 
+        var validationCount = AddDataValidations(worksheetPart, sheetData, mergeCellsSection, validationsArg);
+
         // Freeze header
         if (freezeHeader)
         {
@@ -663,7 +684,64 @@ public class ExcelSkill : IAgentTool
             worksheetPart.Worksheet.InsertBefore(sheetViews, insertBefore);
         }
 
-        return rowCount;
+        return (rowCount, validationCount);
+    }
+
+    private static int AddDataValidations(WorksheetPart worksheetPart, SheetData sheetData, MergeCells? mergeCells, JsonElement validationsArg)
+    {
+        if (validationsArg.ValueKind != JsonValueKind.Array || validationsArg.GetArrayLength() == 0)
+            return 0;
+
+        var dataValidations = new DataValidations();
+        var count = 0;
+
+        foreach (var rule in validationsArg.EnumerateArray())
+        {
+            var range = rule.SafeTryGetProperty("range", out var rangeEl) ? rangeEl.SafeGetString() : null;
+            var typeText = rule.SafeTryGetProperty("type", out var typeEl) ? typeEl.SafeGetString() : null;
+            var formula1 = rule.SafeTryGetProperty("formula1", out var formulaEl) ? formulaEl.SafeGetString() : null;
+            if (string.IsNullOrWhiteSpace(range) || string.IsNullOrWhiteSpace(typeText) || string.IsNullOrWhiteSpace(formula1))
+                continue;
+
+            var validation = new DataValidation
+            {
+                Type = ResolveValidationType(typeText),
+                AllowBlank = !(rule.SafeTryGetProperty("allow_blank", out var allowBlankEl) && allowBlankEl.ValueKind == JsonValueKind.False),
+                ShowInputMessage = rule.SafeTryGetProperty("prompt", out _),
+                SequenceOfReferences = new ListValue<StringValue> { InnerText = range }
+            };
+
+            if (rule.SafeTryGetProperty("prompt", out var promptEl) && !string.IsNullOrWhiteSpace(promptEl.SafeGetString()))
+            {
+                validation.PromptTitle = "Input";
+                validation.Prompt = promptEl.SafeGetString();
+            }
+
+            validation.Append(new Formula1(formula1));
+            dataValidations.Append(validation);
+            count++;
+        }
+
+        if (count == 0)
+            return 0;
+
+        dataValidations.Count = (uint)count;
+        var anchor = (OpenXmlElement?)mergeCells ?? sheetData;
+        worksheetPart.Worksheet.InsertAfter(dataValidations, anchor);
+        return count;
+    }
+
+    private static DataValidationValues ResolveValidationType(string? type)
+    {
+        return (type ?? "list").Trim().ToLowerInvariant() switch
+        {
+            "whole" or "whole_number" => DataValidationValues.Whole,
+            "decimal" => DataValidationValues.Decimal,
+            "date" => DataValidationValues.Date,
+            "text_length" => DataValidationValues.TextLength,
+            "custom" => DataValidationValues.Custom,
+            _ => DataValidationValues.List,
+        };
     }
 
     // ═══════════════════════════════════════════════════

src/AxCopilot/Services/Agent/HtmlSkill.cs

@@ -52,6 +52,8 @@ public class HtmlSkill : IAgentTool
                     "'table' {headers:[], rows:[[]]}, " +
                     "'chart' {kind:'bar|horizontal_bar', title, data:[{label, value, color}]}, " +
                     "'cards' {items:[{title, body, badge, icon}]}, " +
+                    "'decision_summary' {title, decision, rationale, actions:['...']}, " +
+                    "'evidence_cards' {title, items:[{title, detail, source, tag}]}, " +
                     "'comparison' {title, items:[{name, summary, pros, cons, verdict}]}, " +
                     "'roadmap' {title, phases:[{title, detail, timeline, owner}]}, " +
                     "'matrix' {title, quadrants:[{title, items:['...']}]}, " +
@@ -334,6 +336,12 @@ public class HtmlSkill : IAgentTool
                 case "cards":
                     sb.AppendLine(RenderCards(section));
                     break;
+                case "decision_summary":
+                    sb.AppendLine(RenderDecisionSummary(section));
+                    break;
+                case "evidence_cards":
+                    sb.AppendLine(RenderEvidenceCards(section));
+                    break;
                 case "comparison":
                     sb.AppendLine(RenderComparison(section));
                     break;
@@ -525,6 +533,67 @@ public class HtmlSkill : IAgentTool
         return sb.ToString();
     }
 
+    private static string RenderDecisionSummary(JsonElement s)
+    {
+        var title = s.SafeTryGetProperty("title", out var titleEl) ? titleEl.SafeGetString() : "Decision Summary";
+        var decision = s.SafeTryGetProperty("decision", out var decisionEl) ? decisionEl.SafeGetString() : null;
+        var rationale = s.SafeTryGetProperty("rationale", out var rationaleEl) ? rationaleEl.SafeGetString() : null;
+
+        var sb = new StringBuilder();
+        sb.AppendLine("<section class=\"decision-summary\" style=\"margin:1.4rem 0;padding:1.2rem 1.3rem;border:1px solid #dbe4f0;border-radius:16px;background:linear-gradient(180deg,#f8fbff,#ffffff);box-shadow:0 10px 28px rgba(15,23,42,.06);\">");
+        sb.AppendLine($"<div style=\"font-size:1rem;font-weight:800;color:#0f172a;margin-bottom:.55rem\">{Escape(title ?? "Decision Summary")}</div>");
+        if (!string.IsNullOrWhiteSpace(decision))
+            sb.AppendLine($"<div style=\"padding:.8rem 1rem;border-radius:12px;background:#eef2ff;color:#312e81;font-weight:700;margin-bottom:.9rem\">Decision: {MarkdownToHtml(decision)}</div>");
+        if (!string.IsNullOrWhiteSpace(rationale))
+            sb.AppendLine($"<div style=\"color:#334155;line-height:1.7;margin-bottom:.8rem\">{MarkdownToHtml(rationale)}</div>");
+
+        if (s.SafeTryGetProperty("actions", out var actionsEl) && actionsEl.ValueKind == JsonValueKind.Array && actionsEl.GetArrayLength() > 0)
+        {
+            sb.AppendLine("<div style=\"font-size:.86rem;font-weight:700;color:#475569;margin-bottom:.35rem\">Immediate Actions</div>");
+            sb.AppendLine("<ul style=\"margin:0;padding-left:1.2rem;color:#334155;line-height:1.7;\">");
+            foreach (var item in actionsEl.EnumerateArray())
+                sb.AppendLine($"<li>{MarkdownToHtml(item.SafeGetString() ?? string.Empty)}</li>");
+            sb.AppendLine("</ul>");
+        }
+
+        sb.AppendLine("</section>");
+        return sb.ToString();
+    }
+
+    private static string RenderEvidenceCards(JsonElement s)
+    {
+        if (!s.SafeTryGetProperty("items", out var items) || items.ValueKind != JsonValueKind.Array)
+            return string.Empty;
+
+        var title = s.SafeTryGetProperty("title", out var titleEl) ? titleEl.SafeGetString() : null;
+        var sb = new StringBuilder();
+        if (!string.IsNullOrWhiteSpace(title))
+            sb.AppendLine($"<h3>{Escape(title)}</h3>");
+
+        sb.AppendLine("<div class=\"evidence-cards\" style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1.2rem 0;\">");
+        foreach (var item in items.EnumerateArray())
+        {
+            var cardTitle = item.SafeTryGetProperty("title", out var cardTitleEl) ? cardTitleEl.SafeGetString() : null;
+            var detail = item.SafeTryGetProperty("detail", out var detailEl) ? detailEl.SafeGetString() : null;
+            var source = item.SafeTryGetProperty("source", out var sourceEl) ? sourceEl.SafeGetString() : null;
+            var tag = item.SafeTryGetProperty("tag", out var tagEl) ? tagEl.SafeGetString() : null;
+
+            sb.AppendLine("<article style=\"border:1px solid #e2e8f0;border-radius:14px;padding:1rem 1.05rem;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.05);\">");
+            sb.Append("<div style=\"display:flex;align-items:center;gap:.5rem;margin-bottom:.45rem;\">");
+            sb.Append($"<strong style=\"font-size:.95rem;color:#0f172a\">{Escape(cardTitle ?? "Evidence")}</strong>");
+            if (!string.IsNullOrWhiteSpace(tag))
+                sb.Append($"<span style=\"margin-left:auto;font-size:.72rem;font-weight:700;padding:.2rem .45rem;border-radius:999px;background:#eff6ff;color:#2563eb\">{Escape(tag)}</span>");
+            sb.AppendLine("</div>");
+            if (!string.IsNullOrWhiteSpace(detail))
+                sb.AppendLine($"<div style=\"color:#334155;line-height:1.65\">{MarkdownToHtml(detail)}</div>");
+            if (!string.IsNullOrWhiteSpace(source))
+                sb.AppendLine($"<div style=\"margin-top:.65rem;font-size:.78rem;color:#64748b\">Source: {Escape(source)}</div>");
+            sb.AppendLine("</article>");
+        }
+        sb.AppendLine("</div>");
+        return sb.ToString();
+    }
+
     private static string RenderComparison(JsonElement s)
     {
         if (!s.SafeTryGetProperty("items", out var items) || items.ValueKind != JsonValueKind.Array)