Add Frontend and code restructure

.gitignore

@@ -1,3 +1,15 @@
 __pycache__
 eval
-.env
+.env
+.idea/
+.vscode/
+.venv*/
+venv*/
+env*/
+__pycache__/
+dist/
+.coverage*
+htmlcov/
+.tox/
+docs/_build/
+*.json

server/app.py

@@ -0,0 +1,6 @@
+from app import create_app
+
+app = create_app()
+
+if __name__ == "__main__":
+    app.run(debug=True)

server/app/__init__.py

@@ -0,0 +1,32 @@
+from flask import Flask
+from flask_cors import CORS
+from .config import Config
+
+def create_app(config_class=Config):
+    app = Flask(__name__, 
+                static_folder='../../src/static',  # Points to frontend files
+                template_folder='../../src/templates')  # Points to frontend files
+
+    # Load config
+    app.config.from_object(config_class)
+
+    # Initialize CORS
+    CORS(app)
+
+    # Initialize data files
+    from .core import characters, datasets
+    characters.load_characters()
+    datasets.load_datasets()
+
+    # Register blueprints
+    from .api.character_routes import character_bp
+    from .api.dataset_routes import dataset_bp
+    from .api.evaluation_routes import evaluation_bp
+    from .api.main import main_bp
+
+    app.register_blueprint(main_bp)
+    app.register_blueprint(character_bp, url_prefix='/api')
+    app.register_blueprint(dataset_bp, url_prefix='/api')
+    app.register_blueprint(evaluation_bp, url_prefix='/api')
+
+    return app

server/app/api/character_routes.py

@@ -0,0 +1,43 @@
+from flask import Blueprint, request, jsonify
+from ..core.characters import (
+    characters, save_character, delete_character, 
+    get_character, update_character
+)
+
+character_bp = Blueprint('characters', __name__)
+
+@character_bp.route('/characters', methods=['GET'])
+def get_characters():
+    return jsonify(characters)
+
+@character_bp.route('/characters', methods=['POST'])
+def create_character():
+    data = request.json
+    character_id = save_character(
+        name=data['name'],
+        backstory=data['backstory'],
+        model=data['model'],
+        temperature=float(data['temperature']),
+        max_tokens=int(data['max_tokens'])
+    )
+    return jsonify({"message": f"Character '{data['name']}' created successfully", "id": character_id}), 201
+
+@character_bp.route('/characters/<character_id>', methods=['PUT'])
+def update_character_route(character_id):
+    data = request.json
+    if update_character(
+        character_id=character_id,
+        name=data['name'],
+        backstory=data['backstory'],
+        model=data['model'],
+        temperature=float(data['temperature']),
+        max_tokens=int(data['max_tokens'])
+    ):
+        return jsonify({"message": f"Character '{data['name']}' updated successfully"})
+    return jsonify({"message": "Character not found"}), 404
+
+@character_bp.route('/characters/<character_id>', methods=['DELETE'])
+def remove_character(character_id):
+    if delete_character(character_id):
+        return jsonify({"message": "Character deleted successfully"})
+    return jsonify({"message": "Character not found"}), 404