feat: Add OpenScreen for directory input and validation

feat: Introduce poster rendering views with multiple engines

feat: Implement ASCII art poster renderer using PIL

feat: Create base class for poster renderers

feat: Add RichPixels renderer for high-quality terminal image display

feat: Implement Viu terminal image viewer renderer

feat: Add ProposedFilenameView for generating standardized filenames

feat: Create RenameConfirmScreen for renaming files with confirmation

feat: Implement SettingsScreen for configuring application settings

feat: Add custom PosterWidget for rendering poster images

src/test/test_filename_detection.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+"""Test script for filename metadata detection with assertions"""
+
+import sys
+import os
+import json
+from pathlib import Path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
+
+from src.extractors.filename_extractor import FilenameExtractor
+
+def test_detection():
+    # Load test cases from new dataset location
+    dataset_file = Path(__file__).parent / "datasets" / "filenames" / "filename_patterns.json"
+    with open(dataset_file, 'r', encoding='utf-8') as f:
+        data = json.load(f)
+        test_cases = data['test_cases']
+
+    print("Testing filename metadata detection with assertions...\n")
+
+    passed = 0
+    failed = 0
+
+    for i, case in enumerate(test_cases, 1):
+        filename = case['filename']
+        expected = case['expected']
+        testname = case.get('testname', f'Test {i}')
+
+        print(f"{testname}: {filename}")
+        
+        extractor = FilenameExtractor(filename)
+
+        actual = {
+            "order": extractor.extract_order(),
+            "title": extractor.extract_title(),
+            "year": extractor.extract_year(),
+            "source": extractor.extract_source(),
+            "frame_class": extractor.extract_frame_class(),
+            "hdr": extractor.extract_hdr(),
+            "movie_db": extractor.extract_movie_db(),
+            "special_info": extractor.extract_special_info(),
+            "audio_langs": extractor.extract_audio_langs(),
+            "extension": extractor.extract_extension()
+        }
+
+        # Check each field
+        test_passed = True
+        for key, exp_value in expected.items():
+            act_value = actual[key]
+            if act_value != exp_value:
+                print(f"  ❌ {key}: expected {exp_value!r}, got {act_value!r}")
+                test_passed = False
+            else:
+                print(f"  ✅ {key}: {act_value!r}")
+
+        if test_passed:
+            print("  ✅ PASSED\n")
+            passed += 1
+        else:
+            print("  ❌ FAILED\n")
+            failed += 1
+
+    print(f"Results: {passed} passed, {failed} failed")
+    return failed == 0
+
+if __name__ == '__main__':
+    success = test_detection()
+    sys.exit(0 if success else 1)