feat: Implement interactive font selection by scanning the fonts/ directory for .otf, .ttf, and .ttc files, adding new fonts and updating documentation.

engine/config.py

@@ -5,6 +5,8 @@ Configuration constants, CLI flags, and glyph tables.
 import sys
 
 from pathlib import Path
+_REPO_ROOT = Path(__file__).resolve().parent.parent
+_FONT_EXTENSIONS = {".otf", ".ttf", ".ttc"}
 
 
 def _arg_value(flag):
@@ -31,8 +33,24 @@ def _resolve_font_path(raw_path):
     p = Path(raw_path).expanduser()
     if p.is_absolute():
         return str(p)
-    repo_root = Path(__file__).resolve().parent.parent
-    return str((repo_root / p).resolve())
+    return str((_REPO_ROOT / p).resolve())
+
+
+def _list_font_files(font_dir):
+    """List supported font files within a font directory."""
+    font_root = Path(font_dir)
+    if not font_root.exists() or not font_root.is_dir():
+        return []
+    return [
+        str(path.resolve())
+        for path in sorted(font_root.iterdir())
+        if path.is_file() and path.suffix.lower() in _FONT_EXTENSIONS
+    ]
+
+
+def list_repo_font_files():
+    """Public helper for discovering repository font files."""
+    return _list_font_files(FONT_DIR)
 # ─── RUNTIME ──────────────────────────────────────────────
 HEADLINE_LIMIT = 1000
 FEED_TIMEOUT = 10
@@ -46,9 +64,13 @@ NTFY_POLL_INTERVAL = 15   # seconds between polls
 MESSAGE_DISPLAY_SECS = 30 # how long a message holds the screen
 
 # ─── FONT RENDERING ──────────────────────────────────────
-FONT_PATH = _resolve_font_path(
-    _arg_value('--font-file')
-    or "/Users/genejohnson/Documents/CS Bishop Drawn/CSBishopDrawn-Italic.otf"
+FONT_DIR = _resolve_font_path(_arg_value('--font-dir') or "fonts")
+_FONT_FILE_ARG = _arg_value('--font-file')
+_FONT_FILES = _list_font_files(FONT_DIR)
+FONT_PATH = (
+    _resolve_font_path(_FONT_FILE_ARG)
+    if _FONT_FILE_ARG
+    else (_FONT_FILES[0] if _FONT_FILES else "")
 )
 FONT_INDEX = max(0, _arg_int('--font-index', 0))
 FONT_PICKER = '--no-font-picker' not in sys.argv