feat: initial backend codebase — EnCoach v3

Complete Odoo 19 backend with 25 custom addons:
- encoach_core: user/entity/role management
- encoach_api: REST API + JWT auth
- encoach_ai: OpenAI integration, AI settings, generation
- encoach_ai_course: AI-powered English & IELTS course generation
- encoach_exam_template/session: exam creation, structures, sessions
- encoach_scoring: AI auto-grading + manual approval
- encoach_vector: pgvector RAG integration
- encoach_adaptive: adaptive learning engine
- encoach_placement: placement testing
- encoach_taxonomy/resources: content taxonomy & resource management
- Plus 14 more modules for courses, branding, portal, etc.

Includes docs: user guide, generation report, developer workflow.

Made-with: Cursor

custom_addons/encoach_ai_course/models/__init__.py

@@ -0,0 +1,2 @@
+from . import ai_generation_log
+from . import ai_ielts_generation_log

custom_addons/encoach_ai_course/models/ai_generation_log.py

@@ -0,0 +1,25 @@
+from odoo import models, fields
+
+
+class EncoachAiGenerationLog(models.Model):
+    _name = 'encoach.ai.generation.log'
+    _description = 'AI Generation Log'
+
+    student_id = fields.Many2one('res.users', ondelete='set null')
+    course_type = fields.Selection([
+        ('general_english', 'General English'),
+        ('ielts', 'IELTS'),
+    ], required=True)
+    brief = fields.Text()
+    attempts = fields.Integer(default=0)
+    final_resource_id = fields.Integer(string='Final Resource ID')
+    approved_by = fields.Many2one('res.users', ondelete='set null')
+    status = fields.Selection([
+        ('generating', 'Generating'),
+        ('quality_check', 'Quality Check'),
+        ('pending_review', 'Pending Review'),
+        ('approved', 'Approved'),
+        ('rejected', 'Rejected'),
+    ], default='generating', required=True)
+    created_at = fields.Datetime(default=fields.Datetime.now)
+    error_log = fields.Text()

custom_addons/encoach_ai_course/models/ai_ielts_generation_log.py

@@ -0,0 +1,35 @@
+from odoo import models, fields
+
+
+class EncoachAiIeltsGenerationLog(models.Model):
+    _name = 'encoach.ai.ielts.generation.log'
+    _description = 'AI IELTS Generation Log'
+
+    skill = fields.Selection([
+        ('listening', 'Listening'),
+        ('reading', 'Reading'),
+        ('writing', 'Writing'),
+        ('speaking', 'Speaking'),
+    ], required=True)
+    brief = fields.Text()
+    format_check_result = fields.Text()
+    band_check_result = fields.Text()
+    examiner_id = fields.Many2one('res.users', ondelete='set null')
+    status = fields.Selection([
+        ('generating', 'Generating'),
+        ('format_check', 'Format Check'),
+        ('examiner_review', 'Examiner Review'),
+        ('approved', 'Approved'),
+        ('rejected', 'Rejected'),
+    ], default='generating', required=True)
+    attempts = fields.Integer(default=0)
+    created_at = fields.Datetime(default=fields.Datetime.now)
+    review_status = fields.Selection([
+        ('draft', 'Draft'),
+        ('pending_review', 'Pending Review'),
+        ('approved', 'Approved'),
+        ('rejected', 'Rejected'),
+        ('revision_needed', 'Revision Needed'),
+    ], default='draft')
+    examiner_notes = fields.Text()
+    reviewed_at = fields.Datetime()