feat(data): integrate 9 UK government data sources via Kestra

Adds a full data integration pipeline for enriching school profiles with
supplementary data from Ofsted, GIAS, EES, IDACI, and FBIT.

Backend:
- Bump SCHEMA_VERSION to 3; add 8 new DB tables (ofsted_inspections,
  ofsted_parent_view, school_census, admissions, sen_detail, phonics,
  school_deprivation, school_finance) plus GIAS columns on schools
- Expose all supplementary data via GET /api/schools/{urn}
- Enrich school list responses with ofsted_grade + ofsted_date

Integrator (new service):
- FastAPI HTTP microservice; Kestra calls POST /run/{source}
- 9 source modules: ofsted, gias, parent_view, census, admissions,
  sen_detail, phonics, idaci, finance
- 9 Kestra flow YAMLs with scheduled triggers and 3× retry

Frontend:
- SchoolRow: colour-coded Ofsted badge (Outstanding/Good/RI/Inadequate)
- SchoolDetailView: 7 new sections — Ofsted sub-judgements, Parent View
  survey bars, Admissions, Pupils & Inclusion / SEN, Phonics, Deprivation
  Context, Finances
- types.ts: 8 new interfaces + extended School/SchoolDetailsResponse

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app.py

@@ -24,6 +24,7 @@ from .data_loader import (
     clear_cache,
     load_school_data,
     geocode_single_postcode,
+    get_supplementary_data,
 )
 from .data_loader import get_data_info as get_db_info
 from .database import check_and_migrate_if_needed
@@ -384,6 +385,16 @@ async def get_school_details(request: Request, urn: int):
     # Get latest info for the school
     latest = school_data.iloc[-1]
 
+    # Fetch supplementary data (Ofsted, Parent View, admissions, etc.)
+    from .database import SessionLocal
+    supplementary = {}
+    try:
+        db = SessionLocal()
+        supplementary = get_supplementary_data(db, urn)
+        db.close()
+    except Exception:
+        pass
+
     return {
         "school_info": {
             "urn": urn,
@@ -396,8 +407,23 @@ async def get_school_details(request: Request, urn: int):
             "latitude": latest.get("latitude"),
             "longitude": latest.get("longitude"),
             "phase": "Primary",
+            # GIAS fields
+            "website": latest.get("website"),
+            "headteacher_name": latest.get("headteacher_name"),
+            "capacity": latest.get("capacity"),
+            "trust_name": latest.get("trust_name"),
+            "gender": latest.get("gender"),
         },
         "yearly_data": clean_for_json(school_data),
+        # Supplementary data (null if not yet populated by Kestra)
+        "ofsted": supplementary.get("ofsted"),
+        "parent_view": supplementary.get("parent_view"),
+        "census": supplementary.get("census"),
+        "admissions": supplementary.get("admissions"),
+        "sen_detail": supplementary.get("sen_detail"),
+        "phonics": supplementary.get("phonics"),
+        "deprivation": supplementary.get("deprivation"),
+        "finance": supplementary.get("finance"),
     }