fix: exclude inactive blogs from blog selection queries

Blogs.IsActive was honored only by GetBlogs and GetBlogsAll, so a blog
with IsActive = 0 was still selected for likes crawling and for output
mode. Add the filter to every remaining query that selects blog records:

- GetBlogsForLikes, all three variants (specific blog, ignoreCooldown,
  cooldown) - this is the selector that spends API quota
- GetAllBlogsWithTTFolderPath

Writes are deliberately untouched. The UPDATE statements are keyed on a
blog the caller already selected; filtering them would let the crawler
fetch a blog, pay the API cost, then fail to persist its cursor and
re-fetch the same pages on every run. Exclusion belongs at selection.

LegacyPostsDbImporter is also untouched: it reads a foreign legacy
schema that may not have the column.

Co-Authored-By: Claude Opus 5 <[email protected]>

URLNotesGrabberCORE/DataAccess.cs

@@ -1040,7 +1040,8 @@ namespace URLNotesGrabberCORE
                                    COALESCE(LikesCursor, 0),
                                    COALESCE(LikesNewestTimestamp, 0)
                               FROM Blogs
-                             WHERE BlogName = @blog";
+                             WHERE BlogName = @blog
+                               AND IsActive = 1";
                 }
                 else if (ignoreCooldown)
                 {
@@ -1053,6 +1054,7 @@ namespace URLNotesGrabberCORE
                               INNER JOIN Notes N ON N.NoteBlogName = B.BlogName
                              WHERE N.TimeStamp >= 1535778000
                                AND N.rootBlogName = B.BlogName
+                               AND B.IsActive = 1
                              GROUP BY B.BlogName
                              ORDER BY MIN(N.Timestamp);";
                 }
@@ -1067,6 +1069,7 @@ namespace URLNotesGrabberCORE
                               INNER JOIN Notes N ON N.NoteBlogName = B.BlogName
                              WHERE N.TimeStamp >= 1535778000
                                AND N.rootBlogName = B.BlogName
+                               AND B.IsActive = 1
                                AND (
                                     B.LikesPulled = 0
                                  OR COALESCE(B.LikesLastRefreshed, 0)
@@ -2211,7 +2214,7 @@ namespace URLNotesGrabberCORE
 
             using var connection = new SQLiteConnection("Data Source=" + DBPath);
             connection.Open();
-            using var cmd = new SQLiteCommand("SELECT BlogName, TTFolderPath FROM Blogs", connection);
+            using var cmd = new SQLiteCommand("SELECT BlogName, TTFolderPath FROM Blogs WHERE IsActive = 1", connection);
             using var reader = cmd.ExecuteReader();
             while (reader.Read())
             {