new file: .dockerignore

new file:   .env.example
	new file:   Dockerfile
	new file:   app.py
	new file:   blueprints/__init__.py
	new file:   blueprints/auth.py
	new file:   blueprints/chat.py
	new file:   blueprints/context.py
	new file:   blueprints/documents.py
	new file:   blueprints/main.py
	new file:   config.py
	new file:   docker-compose.yml
	new file:   models/__init__.py
	new file:   models/chat_session.py
	new file:   models/document.py
	new file:   models/user.py
	new file:   requirements.txt
	new file:   services/__init__.py
	new file:   services/document_parser.py
	new file:   services/llm_service.py
	new file:   services/rag_service.py
	new file:   services/url_scraper.py
	new file:   static/css/style.css
	new file:   static/js/chat.js
	new file:   static/js/inline_chat.js
	new file:   static/js/main.js
	new file:   templates/base.html
	new file:   templates/document_view.html
	new file:   templates/index.html
	new file:   templates/login.html
	new file:   templates/register.html

blueprints/auth.py

@@ -0,0 +1,68 @@
+import bcrypt
+from flask import Blueprint, render_template, redirect, url_for, flash, request
+from flask_login import login_user, logout_user, login_required, current_user
+from flask_wtf import FlaskForm
+from wtforms import StringField, PasswordField, SubmitField
+from wtforms.validators import DataRequired, Email, Length, EqualTo, ValidationError
+from models import db, User
+
+auth_bp = Blueprint("auth", __name__, url_prefix="/auth")
+
+
+class RegisterForm(FlaskForm):
+    username = StringField("Username", validators=[DataRequired(), Length(3, 64)])
+    email = StringField("Email", validators=[DataRequired(), Email(), Length(max=120)])
+    password = PasswordField("Password", validators=[DataRequired(), Length(min=8)])
+    confirm = PasswordField("Confirm Password", validators=[DataRequired(), EqualTo("password")])
+    submit = SubmitField("Register")
+
+    def validate_username(self, field):
+        if User.query.filter_by(username=field.data).first():
+            raise ValidationError("Username already taken.")
+
+    def validate_email(self, field):
+        if User.query.filter_by(email=field.data).first():
+            raise ValidationError("Email already registered.")
+
+
+class LoginForm(FlaskForm):
+    email = StringField("Email", validators=[DataRequired(), Email()])
+    password = PasswordField("Password", validators=[DataRequired()])
+    submit = SubmitField("Login")
+
+
+@auth_bp.route("/register", methods=["GET", "POST"])
+def register():
+    if current_user.is_authenticated:
+        return redirect(url_for("main.index"))
+    form = RegisterForm()
+    if form.validate_on_submit():
+        pw_hash = bcrypt.hashpw(form.password.data.encode(), bcrypt.gensalt()).decode()
+        user = User(username=form.username.data, email=form.email.data, password_hash=pw_hash)
+        db.session.add(user)
+        db.session.commit()
+        flash("Account created. Please log in.", "success")
+        return redirect(url_for("auth.login"))
+    return render_template("register.html", form=form)
+
+
+@auth_bp.route("/login", methods=["GET", "POST"])
+def login():
+    if current_user.is_authenticated:
+        return redirect(url_for("main.index"))
+    form = LoginForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(email=form.email.data).first()
+        if user and bcrypt.checkpw(form.password.data.encode(), user.password_hash.encode()):
+            login_user(user)
+            next_page = request.args.get("next")
+            return redirect(next_page or url_for("main.index"))
+        flash("Invalid email or password.", "danger")
+    return render_template("login.html", form=form)
+
+
+@auth_bp.route("/logout")
+@login_required
+def logout():
+    logout_user()
+    return redirect(url_for("auth.login"))