🎨 make the markdown file configuration explicit

app.py

@@ -72,9 +72,20 @@ def format_comic_date(date_str):
         return date_str
 
 
-def get_author_note(date_str):
-    """Load author note from markdown file if it exists, using date as filename"""
-    note_path = os.path.join(os.path.dirname(__file__), 'content', 'author_notes', f'{date_str}.md')
+def get_author_note_from_file(filename):
+    """Load author note from markdown file if it exists
+
+    Args:
+        filename: Either just a filename (looked up in content/author_notes/)
+                  or a path relative to content/
+    """
+    # If filename contains a path separator, treat as relative to content/
+    if '/' in filename or '\\' in filename:
+        note_path = os.path.join(os.path.dirname(__file__), 'content', filename)
+    else:
+        # Just a filename, look in author_notes directory
+        note_path = os.path.join(os.path.dirname(__file__), 'content', 'author_notes', filename)
+
     try:
         with open(note_path, 'r', encoding='utf-8') as f:
             content = f.read()
@@ -92,13 +103,17 @@ def enrich_comic(comic):
     enriched['plain'] = is_plain(comic)
     enriched['formatted_date'] = format_comic_date(comic['date'])
 
-    # Check for markdown author note, fall back to data field if not found
-    markdown_note = get_author_note(comic['date'])
-    if markdown_note:
-        enriched['author_note'] = markdown_note
-        enriched['author_note_is_html'] = True
+    # Check for explicitly specified markdown author note file
+    if 'author_note_md' in comic and comic['author_note_md']:
+        markdown_note = get_author_note_from_file(comic['author_note_md'])
+        if markdown_note:
+            enriched['author_note'] = markdown_note
+            enriched['author_note_is_html'] = True
+        else:
+            # File specified but not found, use plain text from comic data if it exists
+            enriched['author_note_is_html'] = False
     else:
-        # No markdown file, use plain text from comic data if it exists
+        # No markdown file specified, use plain text from comic data if it exists
         enriched['author_note_is_html'] = False
 
     return enriched