feat: add --depth command-line argument to VersionMark

README.md

@@ -88,6 +88,7 @@ Usage: versionmark [options]
 | `-?`, `-h`, `--help`      | Display help message                                             |
 | `--silent`                | Suppress console output                                          |
 | `--log <file>`            | Write output to log file                                         |
+| `--depth <depth>`         | Heading depth for validation and publish mode (default: 1, 1-6)  |
 | **Lint Mode**             |                                                                  |
 | `--lint [<config-file>]`  | Check configuration file (default: `.versionmark.yaml`)          |
 | **Capture Mode**          |                                                                  |
@@ -98,7 +99,7 @@ Usage: versionmark [options]
 | **Publish Mode**          |                                                                  |
 | `--publish`               | Enable publish mode                                              |
 | `--report <file>`         | **(Required)** Output markdown file path                         |
-| `--report-depth <depth>`  | Heading depth for markdown output (default: 2, min: 1, max: 6)   |
+| `--report-depth <depth>`  | Heading depth for markdown output (default: --depth value, 1-6)  |
 | `-- <patterns...>`        | Glob patterns for JSON files (default: `versionmark-*.json`)     |
 | **Self-Validation**       |                                                                  |
 | `--validate`              | Run self-validation tests                                        |
@@ -186,6 +187,12 @@ its current environment. Run with `--validate`:
 versionmark --validate
 ```
 
+Use `--depth` to control the heading depth of the report (default: 1):
+
+```bash
+versionmark --validate --depth 2
+```
+
 Example output:
 
 ```text

docs/design/version-mark/cli/context.md

@@ -22,7 +22,8 @@ command-line state and output routing. It is constructed via the `Create` factor
 | `ToolNames`   | `string[]` | `[]`    | Tool names after `--` separator in capture|
 | `Publish`     | `bool`     | `false` | `--publish` flag                          |
 | `ReportFile`  | `string?`  | `null`  | `--report <file>`                         |
-| `ReportDepth` | `int`      | `2`     | `--report-depth <depth>`                  |
+| `Depth`       | `int`      | `1`     | `--depth <depth>` (heading depth, def: 1) |
+| `ReportDepth` | `int`      | `Depth` | `--report-depth <depth>` (def: `Depth`)   |
 | `GlobPatterns`| `string[]` | `[]`    | Patterns after `--` separator in publish  |
 | `ExitCode`    | `int`      | `0`/`1` | 0 for success, 1 if errors reported       |
 

docs/reqstream/version-mark/cli/context.yaml

@@ -27,13 +27,23 @@ sections:
           - Context_Create_PublishFlag_SetsPublishTrue
           - Context_Create_ReportParameter_SetsReportFile
           - Context_Create_ReportDepthParameter_SetsReportDepth
-          - Context_Create_NoReportDepth_DefaultsToTwo
+          - Context_Create_NoReportDepth_DefaultsToDepthOne
           - Context_Create_GlobPatternsAfterSeparator_CapturesPatterns
           - Context_Create_PublishWithoutReport_ParsesSuccessfully
           - Context_Create_NoGlobPatterns_EmptyArray
           - Context_Create_LintFlag_SetsLintTrue
           - Context_Create_LintFlag_WithFile_SetsLintFile
           - Context_Create_LintFlag_FollowedByFlag_DoesNotConsumeFlagAsFile
+          - Context_Create_DepthParameter_SetsDepth
+          - Context_Create_NoDepth_DefaultsToOne
+          - Context_Create_DepthParameter_SetsDefaultReportDepth
+          - Context_Create_ExplicitReportDepthOverridesDepth
+          - Context_Create_DepthZero_ThrowsArgumentException
+          - Context_Create_DepthNegative_ThrowsArgumentException
+          - Context_Create_DepthSeven_ThrowsArgumentException
+          - Context_Create_ReportDepthZero_ThrowsArgumentException
+          - Context_Create_ReportDepthNegative_ThrowsArgumentException
+          - Context_Create_ReportDepthSeven_ThrowsArgumentException
 
       - id: VersionMark-Context-WriteLine
         title: The Context.WriteLine method shall write output respecting the silent flag.

docs/reqstream/version-mark/self-test/validation.yaml

@@ -30,3 +30,13 @@ sections:
         tests:
           - VersionMark_LintPassesForValidConfig
           - VersionMark_LintReportsErrorsForInvalidConfig
+
+      - id: VersionMark-Validation-HeaderDepth
+        title: >-
+          The Validation class shall use the context Depth for the self-validation
+          report heading depth.
+        justification: |
+          The --depth argument allows callers to embed the self-validation report
+          at the appropriate heading level within a larger markdown document.
+        tests:
+          - SelfTest_Run_WithDepthTwo_WritesHashHashHeader

docs/user_guide/guide.md

@@ -95,6 +95,7 @@ This generates a markdown file consolidating versions from all jobs.
 | `-?`, `-h`, `--help`      | Display help message                                             |
 | `--silent`                | Suppress console output                                          |
 | `--log <file>`            | Write output to log file                                         |
+| `--depth <depth>`         | Heading depth for validation and publish mode (default: 1, 1-6)  |
 | **Lint Mode**             |                                                                  |
 | `--lint [<config-file>]`  | Check configuration file (default: `.versionmark.yaml`)          |
 | **Capture Mode**          |                                                                  |
@@ -105,7 +106,7 @@ This generates a markdown file consolidating versions from all jobs.
 | **Publish Mode**          |                                                                  |
 | `--publish`               | Enable publish mode                                              |
 | `--report <file>`         | **(Required)** Output markdown file path                         |
-| `--report-depth <depth>`  | Heading depth for markdown output (default: 2, min: 1, max: 6)   |
+| `--report-depth <depth>`  | Heading depth for markdown output (default: --depth value, 1-6)  |
 | `-- <patterns...>`        | Glob patterns for JSON files (default: `versionmark-*.json`)     |
 | **Self-Validation**       |                                                                  |
 | `--validate`              | Run self-validation tests                                        |
@@ -203,9 +204,12 @@ versionmark --publish --report versions.md
 # Use custom glob patterns
 versionmark --publish --report docs/tool-versions.md -- captured/*.json build/*.json
 
-# Control heading depth (default is ##, depth 2)
+# Control heading depth (default is #, depth 1)
 versionmark --publish --report versions.md --report-depth 3
 
+# Use --depth to set both self-validation heading and report-depth default
+versionmark --publish --report versions.md --depth 3
+
 # Combine options
 versionmark --publish --report docs/versions.md --report-depth 1 -- versionmark-*.json
 ```
@@ -395,6 +399,13 @@ Use `--silent` to suppress console output while still writing a results file:
 versionmark --silent --validate --results results.trx
 ```
 
+Use `--depth` to embed the self-validation report at a specific heading level within a larger
+markdown document:
+
+```bash
+versionmark --validate --depth 2
+```
+
 ## Validation Report
 
 Example output:

src/DemaConsulting.VersionMark/Cli/Context.cs

@@ -100,10 +100,15 @@ internal sealed class Context : IDisposable
     /// </summary>
     public string? ReportFile { get; private init; }
 
+    /// <summary>
+    ///     Gets the markdown header depth for the self-validation report and default for publish mode.
+    /// </summary>
+    public int Depth { get; private init; } = 1;
+
     /// <summary>
     ///     Gets the report depth for markdown heading levels in publish mode.
     /// </summary>
-    public int ReportDepth { get; private init; } = 2;
+    public int ReportDepth { get; private init; } = 1;
 
     /// <summary>
     ///     Gets the list of glob patterns for JSON files in publish mode.
@@ -149,6 +154,7 @@ public static Context Create(string[] args)
             ToolNames = parser.ToolNames,
             Publish = parser.Publish,
             ReportFile = parser.ReportFile,
+            Depth = parser.Depth,
             ReportDepth = parser.ReportDepth,
             GlobPatterns = parser.GlobPatterns
         };
@@ -256,10 +262,20 @@ private sealed class ArgumentParser
         /// </summary>
         public string? ReportFile { get; private set; }
 
+        /// <summary>
+        ///     Gets the markdown header depth for the self-validation report and default for publish mode.
+        /// </summary>
+        public int Depth { get; private set; } = 1;
+
+        /// <summary>
+        ///     Backing field for the explicitly-specified report depth.
+        /// </summary>
+        private int? _explicitReportDepth;
+
         /// <summary>
         ///     Gets the report depth for markdown heading levels in publish mode.
         /// </summary>
-        public int ReportDepth { get; private set; } = 2;
+        public int ReportDepth => _explicitReportDepth ?? Depth;
 
         /// <summary>
         ///     Gets the list of glob patterns for JSON files in publish mode.
@@ -371,10 +387,19 @@ private int ParseArgument(string arg, string[] args, int index)
                     return index + 1;
 
                 case "--report-depth":
-                    ReportDepth = GetRequiredIntArgument(arg, args, index, "a depth value");
-                    if (ReportDepth < 1)
+                    _explicitReportDepth = GetRequiredIntArgument(arg, args, index, "a depth value");
+                    if (_explicitReportDepth is < 1 or > 6)
+                    {
+                        throw new ArgumentException($"{arg} requires an integer value between 1 and 6", nameof(args));
+                    }
+
+                    return index + 1;
+
+                case "--depth":
+                    Depth = GetRequiredIntArgument(arg, args, index, "a depth value");
+                    if (Depth is < 1 or > 6)
                     {
-                        throw new ArgumentException($"{arg} requires a positive integer value (minimum 1)", nameof(args));
+                        throw new ArgumentException($"{arg} requires an integer value between 1 and 6", nameof(args));
                     }
 
                     return index + 1;

src/DemaConsulting.VersionMark/Program.cs

@@ -174,6 +174,7 @@ private static void PrintHelp(Context context)
         context.WriteLine("  -v, --version              Display version information");
         context.WriteLine("  -?, -h, --help             Display this help message");
         context.WriteLine("  --silent                   Suppress console output");
+        context.WriteLine("  --depth <depth>            Heading depth for self-validation and --report-depth default (default: 1, range: 1-6)");
         context.WriteLine("  --validate                 Run self-validation");
         context.WriteLine("  --results <file>           Write validation results to file (.trx or .xml)");
         context.WriteLine("  --log <file>               Write output to log file");
@@ -191,7 +192,7 @@ private static void PrintHelp(Context context)
         context.WriteLine("Publish Mode:");
         context.WriteLine("  --publish                  Generate markdown report from JSON files");
         context.WriteLine("  --report <file>            Output markdown file (required)");
-        context.WriteLine("  --report-depth <depth>     Heading depth for markdown (default: 2)");
+        context.WriteLine("  --report-depth <depth>     Heading depth for markdown (default: --depth value, range: 1-6)");
         context.WriteLine("  -- <patterns...>           Glob patterns for JSON files (default: versionmark-*.json)");
     }
 

src/DemaConsulting.VersionMark/SelfTest/Validation.cs

@@ -84,7 +84,8 @@
     /// <param name="context">The context for output.</param>
     private static void PrintValidationHeader(Context context)
     {
-        context.WriteLine("# DEMA Consulting VersionMark");
+        var headingPrefix = new string('#', context.Depth);
+        context.WriteLine($"{headingPrefix} DEMA Consulting VersionMark");
         context.WriteLine("");
         context.WriteLine("| Information         | Value                                              |");
         context.WriteLine("| :------------------ | :------------------------------------------------- |");
@@ -125,8 +126,8 @@
             // Build command line arguments for capture
             var args = new List<string>
             {
                 "--silent",
                 "--log", logFile,
                 "--capture",
                 "--job-id", "test-job",
                 "--output", outputFile

test/DemaConsulting.VersionMark.Tests/Cli/ContextTests.cs

@@ -468,17 +468,17 @@ public void Context_Create_ReportDepthParameter_SetsReportDepth()
     /// <summary>
     ///     Test creating a context with default report-depth.
     ///     What is tested: Default report-depth value when not specified
-    ///     What the assertions prove: The default report depth is 2
+    ///     What the assertions prove: The default report depth is 1 (matching the --depth default)
     /// </summary>
     [TestMethod]
-    public void Context_Create_NoReportDepth_DefaultsToTwo()
+    public void Context_Create_NoReportDepth_DefaultsToDepthOne()
     {
         // Arrange & Act - Create context without --report-depth
         using var context = Context.Create(["--publish", "--report", "output.md"]);
 
-        // Assert - Verify default report depth is 2
-        // What is proved: Report depth defaults to 2 when not specified
-        Assert.AreEqual(2, context.ReportDepth);
+        // Assert - Verify default report depth is 1 (the default --depth value)
+        // What is proved: Report depth defaults to the --depth value (1) when not specified
+        Assert.AreEqual(1, context.ReportDepth);
     }
 
     /// <summary>
@@ -507,6 +507,125 @@ public void Context_Create_ReportDepthNegative_ThrowsArgumentException()
             Context.Create(["--publish", "--report", "output.md", "--report-depth", "-1"]));
     }
 
+    /// <summary>
+    ///     Test that --report-depth 7 throws ArgumentException.
+    ///     What is tested: Validation rejects a depth value greater than 6
+    ///     What the assertions prove: ArgumentException is thrown for report-depth values greater than 6
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_ReportDepthSeven_ThrowsArgumentException()
+    {
+        // Arrange & Act & Assert - 7 exceeds the maximum Markdown heading level of 6
+        Assert.ThrowsExactly<ArgumentException>(() =>
+            Context.Create(["--publish", "--report", "output.md", "--report-depth", "7"]));
+    }
+
+    /// <summary>
+    ///     Test creating a context with the depth parameter.
+    ///     What is tested: --depth parameter parsing captures the depth value
+    ///     What the assertions prove: The depth is correctly parsed as an integer
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_DepthParameter_SetsDepth()
+    {
+        // Arrange & Act - Create context with --depth flag
+        using var context = Context.Create(["--depth", "3"]);
+
+        // Assert - Verify depth is captured
+        // What is proved: --depth parameter value is correctly parsed as an integer
+        Assert.AreEqual(3, context.Depth);
+        Assert.AreEqual(0, context.ExitCode);
+    }
+
+    /// <summary>
+    ///     Test creating a context with no depth parameter.
+    ///     What is tested: Default depth value when not specified
+    ///     What the assertions prove: The depth defaults to 1
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_NoDepth_DefaultsToOne()
+    {
+        // Arrange & Act - Create context without --depth
+        using var context = Context.Create([]);
+
+        // Assert - Verify default depth is 1
+        // What is proved: Depth defaults to 1 when not specified
+        Assert.AreEqual(1, context.Depth);
+    }
+
+    /// <summary>
+    ///     Test that --depth sets the default for --report-depth.
+    ///     What is tested: --depth value is used as default for ReportDepth when --report-depth not specified
+    ///     What the assertions prove: ReportDepth equals Depth when --report-depth is not given
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_DepthParameter_SetsDefaultReportDepth()
+    {
+        // Arrange & Act - Create context with --depth but no --report-depth
+        using var context = Context.Create(["--publish", "--report", "output.md", "--depth", "3"]);
+
+        // Assert - Verify report depth defaults to the depth value
+        // What is proved: --depth value is used as the default for ReportDepth
+        Assert.AreEqual(3, context.ReportDepth);
+        Assert.AreEqual(0, context.ExitCode);
+    }
+
+    /// <summary>
+    ///     Test that explicit --report-depth overrides --depth.
+    ///     What is tested: --report-depth takes precedence over --depth for ReportDepth
+    ///     What the assertions prove: ReportDepth equals the explicit --report-depth value, not --depth
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_ExplicitReportDepthOverridesDepth()
+    {
+        // Arrange & Act - Create context with both --depth and --report-depth
+        using var context = Context.Create(["--publish", "--report", "output.md", "--depth", "2", "--report-depth", "4"]);
+
+        // Assert - Verify explicit --report-depth takes precedence over --depth
+        // What is proved: --report-depth value (4) overrides --depth value (2) for ReportDepth
+        Assert.AreEqual(4, context.ReportDepth);
+        Assert.AreEqual(0, context.ExitCode);
+    }
+
+    /// <summary>
+    ///     Test that --depth 0 throws ArgumentException.
+    ///     What is tested: Validation rejects a depth value less than 1
+    ///     What the assertions prove: ArgumentException is thrown for depth values less than 1
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_DepthZero_ThrowsArgumentException()
+    {
+        // Arrange & Act & Assert - Zero is not a valid heading depth
+        Assert.ThrowsExactly<ArgumentException>(() =>
+            Context.Create(["--depth", "0"]));
+    }
+
+    /// <summary>
+    ///     Test that a negative --depth throws ArgumentException.
+    ///     What is tested: Validation rejects negative depth values
+    ///     What the assertions prove: ArgumentException is thrown for negative depth values
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_DepthNegative_ThrowsArgumentException()
+    {
+        // Arrange & Act & Assert - Negative values are not valid heading depths
+        Assert.ThrowsExactly<ArgumentException>(() =>
+            Context.Create(["--depth", "-1"]));
+    }
+
+    /// <summary>
+    ///     Test that --depth 7 throws ArgumentException.
+    ///     What is tested: Validation rejects a depth value greater than 6
+    ///     What the assertions prove: ArgumentException is thrown for depth values greater than 6
+    /// </summary>
+    [TestMethod]
+    public void Context_Create_DepthSeven_ThrowsArgumentException()
+    {
+        // Arrange & Act & Assert - 7 exceeds the maximum Markdown heading level of 6
+        Assert.ThrowsExactly<ArgumentException>(() =>
+            Context.Create(["--depth", "7"]));
+    }
+
     /// <summary>
     ///     Test creating a context with glob patterns after -- separator.
     ///     What is tested: Glob patterns after -- are captured in GlobPatterns array

test/DemaConsulting.VersionMark.Tests/IntegrationTests.cs

@@ -527,7 +527,7 @@ public void VersionMark_PublishCommand_GeneratesMarkdownReport()
         var reportContent = File.ReadAllText(reportFile);
 
         // Verify markdown structure
-        Assert.Contains("## Tool Versions", reportContent);
+        Assert.Contains("# Tool Versions", reportContent);
 
         // Verify tools are present and sorted alphabetically
         Assert.Contains("dotnet", reportContent);

test/DemaConsulting.VersionMark.Tests/ProgramTests.cs

@@ -579,7 +579,7 @@ public void Program_Run_WithPublishCommand_GeneratesMarkdownReport()
                 Assert.IsTrue(File.Exists(reportFile), "Report file was not created");
 
                 var reportContent = File.ReadAllText(reportFile);
-                Assert.Contains("## Tool Versions", reportContent);
+                Assert.Contains("# Tool Versions", reportContent);
                 Assert.Contains("dotnet", reportContent);
                 Assert.Contains("node", reportContent);
                 Assert.Contains("8.0.0", reportContent);