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_adaptive/models/adaptive_event.py

@@ -0,0 +1,19 @@
+from odoo import models, fields
+
+
+class EncoachAdaptiveEvent(models.Model):
+    _name = 'encoach.adaptive.event'
+    _description = 'Adaptive Learning Event'
+    _order = 'created_at desc'
+
+    student_id = fields.Many2one('res.users', required=True, ondelete='cascade', index=True)
+    course_id = fields.Many2one('op.course', ondelete='set null')
+    event_type = fields.Selection([
+        ('signal', 'Signal'),
+        ('decision', 'Decision'),
+    ], required=True)
+    signal_name = fields.Char(size=100)
+    signal_value = fields.Float()
+    decision = fields.Char(size=200)
+    context = fields.Text()
+    created_at = fields.Datetime(default=fields.Datetime.now)