feat(v3): restructure project + add complete frontend

- Restructure: move backend from new_project/ to backend/
- Add full React/TypeScript frontend (37 pages, 17 services, 16 type defs, 11 query hooks)
- Add docs/ with SRS specs, user stories, and workflow documentation
- Update .gitignore for new directory layout

Workflows implemented:
  WF1 User Signup, WF2 Placement Test, WF3 Exam Configuration,
  WF4 General English Exam, WF5 Course Generation,
  WF6 Entity Student Onboarding, AI Course Generation,
  Adaptive Learning Engine UI, White-Label Branding, Score Release

Made-with: Cursor

custom_addons/encoach_pdf_report/controllers/__init__.py

@@ -0,0 +1 @@
+from . import reports

custom_addons/encoach_pdf_report/controllers/reports.py

@@ -0,0 +1,55 @@
+import json
+import logging
+from odoo import http
+from odoo.http import request
+from odoo.addons.encoach_api.controllers.base import (
+    jwt_required, _json_response, _error_response, _get_json_body, _paginate
+)
+
+_logger = logging.getLogger(__name__)
+
+
+class EncoachReportsController(http.Controller):
+
+    # ------------------------------------------------------------------
+    # GET /api/reports/exam/<int:attempt_id>/pdf
+    # ------------------------------------------------------------------
+    @http.route('/api/reports/exam/<int:attempt_id>/pdf', type='http',
+                auth='none', methods=['GET'], csrf=False)
+    @jwt_required
+    def download_exam_pdf(self, attempt_id, **kw):
+        try:
+            Attempt = request.env['encoach.student.attempt'].sudo()
+            attempt = Attempt.browse(attempt_id)
+            if not attempt.exists():
+                return _error_response('Attempt not found', 404)
+
+            user = request.env.user.sudo()
+            is_owner = attempt.student_id.id == user.id
+            is_admin = (
+                user.user_type in ('admin', 'mastercorporate')
+                or user.has_group('base.group_system')
+            )
+            is_teacher = user.user_type == 'teacher'
+
+            if not (is_owner or is_admin or is_teacher):
+                return _error_response('You do not have access to this report', 403)
+
+            from odoo.addons.encoach_pdf_report.services.pdf_generator import PdfGenerator
+            pdf_bytes = PdfGenerator.generate_exam_report(request.env, attempt_id)
+
+            student_name = (attempt.student_id.name or 'student').replace(' ', '_')
+            filename = f"exam_report_{student_name}_{attempt_id}.pdf"
+
+            return request.make_response(
+                pdf_bytes,
+                headers=[
+                    ('Content-Type', 'application/pdf'),
+                    ('Content-Disposition', f'attachment; filename="{filename}"'),
+                    ('Content-Length', str(len(pdf_bytes))),
+                ],
+            )
+
+        except Exception as e:
+            _logger.exception('download_exam_pdf failed')
+            return _error_response(str(e), 500)