fix: complete web UI smoke path

crates/archivr-cli/src/main.rs

@@ -270,6 +270,9 @@ fn determine_source(path: &str) -> Source {
             return Source::Snapchat;
         }
     }
+    if Path::new(path).exists() {
+        return Source::Local;
+    }
     Source::Other
 }
 
@@ -1196,6 +1199,16 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_existing_local_path_source() {
+        let path = env::current_dir().unwrap().join("Cargo.toml");
+        assert_eq!(
+            determine_source(path.to_str().unwrap()),
+            Source::Local,
+            "existing filesystem paths should be archived as local files"
+        );
+    }
+
     #[test]
     fn test_initialize_store_directories() {
         let store_path = env::temp_dir().join(format!(