feat: complete exam lifecycle — AI generation, submission, student session, and results

- Backend: AI generation fallbacks when OpenAI not configured, full exam
  submission saving all params (difficulty, rubric, entity, grading system,
  approval workflow) and creating linked question records per section
- Backend: new exam session controller with get_session, autosave, submit,
  status, and results endpoints; student attempt/answer/score models
- Backend: new controllers for entities, approval workflows, exam schedules
- Frontend: exam session split-layout with passage panel, question types
  (MCQ, T/F/NG, gap-fill, writing, speaking), timer, and review dialog
- Frontend: results page with percentage score, per-answer breakdown table
- Frontend: generation page dynamic dropdowns, full payload submission
- Frontend: updated types for ExamSessionSection, ExamQuestion options

Made-with: Cursor

custom_addons/encoach_exam_template/controllers/entities.py

@@ -0,0 +1,34 @@
+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,
+)
+
+_logger = logging.getLogger(__name__)
+
+
+class EntityController(http.Controller):
+
+    @http.route('/api/entities', type='http', auth='none',
+                methods=['GET'], csrf=False)
+    @jwt_required
+    def list_entities(self, **kw):
+        try:
+            cr = request.env.cr
+            cr.execute(
+                "SELECT id, name, code, type FROM encoach_entity ORDER BY name")
+            items = []
+            for eid, name, code, etype in cr.fetchall():
+                items.append({
+                    'id': eid,
+                    'name': name,
+                    'code': code or '',
+                    'type': etype or '',
+                })
+            return _json_response({'items': items, 'total': len(items)})
+        except Exception as e:
+            _logger.exception('list entities failed')
+            return _json_response({'error': str(e)}, 500)