adding more features inclided steg analysis, decoding engines, and more

tests

tests/artifacts/flag.txt

@@ -0,0 +1 @@
+picoCTF{h1dd3n_1n_1m4g3_5d4cba73}

tests/test_forensics.py

@@ -610,3 +610,27 @@ def test_adobe_xmp_formatting():
     assert meta.exif_data.get("exif:EmptyAttr") == "exif:Value"
     assert "rdf:Description" not in meta.exif_data
 
+def test_inspect_decoded_hints_cli():
+    """
+    Verifies that inspect command successfully decodes and prints hex/base64 encoded metadata hints.
+    """
+    from ctf.main import cli
+    runner = CliRunner()
+    
+    # Create a mock JPEG with a base64 encoded comment: "ZmxhZ3tiNjRfbWV0YWRhdGF9" -> "flag{b64_metadata}"
+    import struct
+    comment_text = b"ZmxhZ3tiNjRfbWV0YWRhdGF9"
+    comment_len = len(comment_text) + 2
+    mock_jpeg = b"\xff\xd8\xff\xfe" + struct.pack(">H", comment_len) + comment_text + b"\xff\xd9"
+    
+    test_file = TEST_ENV / "mock_encoded_comment.jpg"
+    with open(test_file, "wb") as f:
+        f.write(mock_jpeg)
+        
+    result = runner.invoke(cli, ["inspect", str(test_file)])
+    assert result.exit_code == 0
+    assert "Decoded Metadata Hints" in result.output
+    assert "Comment" in result.output
+    assert "base64" in result.output
+    assert "flag{b64_metadata}" in result.output
+