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/services/style_matcher.py

@@ -0,0 +1,35 @@
+import logging
+
+_logger = logging.getLogger(__name__)
+
+STYLE_RESOURCE_MAP = {
+    'visual': ['video', 'pdf', 'interactive'],
+    'auditory': ['video', 'interactive'],
+    'reading': ['pdf', 'document'],
+    'kinesthetic': ['interactive'],
+}
+
+
+class StyleMatcher:
+    """Ranks learning resources based on student's learning style preference."""
+
+    @classmethod
+    def rank_resources(cls, learning_style, resources):
+        """Sort resources so that types matching the student's style come first.
+
+        Args:
+            learning_style: str, one of visual/auditory/reading/kinesthetic
+            resources: recordset of encoach.resource
+
+        Returns:
+            sorted list of resource records
+        """
+        preferred_types = STYLE_RESOURCE_MAP.get(learning_style, [])
+        return sorted(resources, key=lambda r: (r.type not in preferred_types, r.id))
+
+    @classmethod
+    def filter_by_style(cls, learning_style, resources):
+        """Return only resources matching the learning style (with fallback to all)."""
+        preferred_types = STYLE_RESOURCE_MAP.get(learning_style, [])
+        matched = [r for r in resources if r.type in preferred_types]
+        return matched if matched else list(resources)