feat: add single-blog filter to -ingest

`-ingest <blogname>` now restricts the run to one blog's folder, mirroring
the existing -parse <blogname> ergonomics. `-ingest` with no arg still
processes every blog under appSettings:PathTTRoot (or PathInput fallback).

Breaking vs 3aff849: the first positional arg is interpreted as a blog
name, not a path. Configure the root via appSettings:PathTTRoot.

Co-Authored-By: Claude Opus 4.7 <[email protected]>

URLNotesGrabberCORE/IngestMode.cs

@@ -10,13 +10,16 @@ namespace URLNotesGrabberCORE
     {
         public static int Run(IConfiguration config, string[] args)
         {
-            string? rootPath = args.Length > 0 ? args[0] : config["appSettings:PathTTRoot"];
+            string? targetBlog = args.Length > 0 ? args[0]?.Trim() : null;
+            if (string.IsNullOrWhiteSpace(targetBlog)) targetBlog = null;
+
+            string? rootPath = config["appSettings:PathTTRoot"];
             if (string.IsNullOrWhiteSpace(rootPath))
                 rootPath = config["appSettings:PathInput"];
 
             if (string.IsNullOrWhiteSpace(rootPath))
             {
-                Console.WriteLine("Ingest: no root path provided. Set appSettings:PathTTRoot, appSettings:PathInput, or pass a path after -ingest.");
+                Console.WriteLine("Ingest: no root path configured. Set appSettings:PathTTRoot or appSettings:PathInput.");
                 return 1;
             }
 
@@ -43,6 +46,7 @@ namespace URLNotesGrabberCORE
 
             Console.WriteLine($"========== Ingest Settings ==========");
             Console.WriteLine($"Root path: {rootPath}");
+            Console.WriteLine($"Blog filter: {(targetBlog == null ? "(all blogs)" : targetBlog)}");
             Console.WriteLine($"=====================================");
 
             var txtFiles = new List<string>();
@@ -66,6 +70,7 @@ namespace URLNotesGrabberCORE
             Console.WriteLine($"Processing {txtFiles.Count} .txt file(s)...");
 
             int filesProcessed = 0;
+            int filesSkipped = 0;
             int postsTouched = 0;
 
             try
@@ -77,14 +82,20 @@ namespace URLNotesGrabberCORE
                 {
                     try
                     {
-                        filesProcessed++;
-                        if (filesProcessed % 50 == 0 || filesProcessed == 1)
-                            Console.WriteLine($"[{filesProcessed}/{txtFiles.Count}] {Path.GetFileName(file)}");
-
                         string rawBlogName = Path.GetFileName(Path.GetDirectoryName(file) ?? "unknown");
                         string blogName = Regex.Replace(rawBlogName, @"_\d+$", "");
                         string postType = Path.GetFileNameWithoutExtension(file);
 
+                        if (targetBlog != null && !string.Equals(blogName, targetBlog, StringComparison.OrdinalIgnoreCase))
+                        {
+                            filesSkipped++;
+                            continue;
+                        }
+
+                        filesProcessed++;
+                        if (filesProcessed % 50 == 0 || filesProcessed == 1)
+                            Console.WriteLine($"[{filesProcessed}/{txtFiles.Count}] {Path.GetFileName(file)}");
+
                         string currentPostId = "";
                         var currentPostData = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
 
@@ -158,7 +169,7 @@ namespace URLNotesGrabberCORE
                 DataAccess.RestoreImportModePragmas();
             }
 
-            Console.WriteLine($"\nIngest complete. Files processed: {filesProcessed}. Posts touched: {postsTouched}.");
+            Console.WriteLine($"\nIngest complete. Files processed: {filesProcessed}. Files skipped (blog filter): {filesSkipped}. Posts touched: {postsTouched}.");
             return 0;
         }
 

URLNotesGrabberCORE/Program.cs

@@ -181,7 +181,7 @@ namespace URLNotesGrabberCORE
 
                         Console.WriteLine("-api [section]\t Use a specific API settings section from appsettings.json (e.g. TumblrApi3)");
 
-                        Console.WriteLine("-ingest [path]\t Ingest Tumblr .txt exports under path (or appSettings:PathTTRoot) into TL.db");
+                        Console.WriteLine("-ingest [blogname]\t Ingest Tumblr .txt exports from appSettings:PathTTRoot into TL.db (all blogs, or single blog if name given)");
 
                         Console.WriteLine("-output\t Export posts from TL.db back to .txt files in each blog's TTFolderPath");