fix(sync): backfill address_mismatch for orders missing blue dot

Orders synced before address_mismatch was deployed had stale 0 values,
causing missing blue dots in the dashboard. Adds startup backfill from
stored address JSON + recomputes on each sync for ALREADY_IMPORTED orders.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/app/database.py

@@ -1,6 +1,9 @@
 import oracledb
 import aiosqlite
 import sqlite3
+import json
+import re
+import unicodedata
 import logging
 import os
 from pathlib import Path
@@ -359,12 +362,69 @@ def init_sqlite():
                 logger.info(f"Migrated orders: added column {col}")
 
         conn.commit()
+
+        # Backfill address_mismatch from stored address JSON
+        _backfill_address_mismatch(conn)
+
     except Exception as e:
         logger.warning(f"Migration check failed: {e}")
 
     conn.close()
     logger.info(f"SQLite initialized: {_sqlite_db_path}")
 
+
+def _backfill_address_mismatch(conn):
+    """Recompute address_mismatch from stored address JSON for all orders."""
+    _ADDR_WORDS = re.compile(
+        r'\b(STR|STRADA|NR|NUMAR|NUMARUL|BL|BLOC|SC|SCARA|AP|APART|APARTAMENT|'
+        r'ET|ETAJ|COM|COMUNA|SAT|MUN|MUNICIPIUL|JUD|JUDETUL|CARTIER|PARTER|SECTOR|ORAS)\b'
+    )
+
+    def norm(s):
+        s = unicodedata.normalize('NFD', s or '')
+        s = re.sub(r'[\u0300-\u036f]', '', s).upper()
+        s = _ADDR_WORDS.sub('', s)
+        return re.sub(r'[^A-Z0-9]', '', s)
+
+    def addr_match(gomag_json, roa_json):
+        if not gomag_json or not roa_json:
+            return True
+        try:
+            g = json.loads(gomag_json) if isinstance(gomag_json, str) else gomag_json
+            r = json.loads(roa_json) if isinstance(roa_json, str) else roa_json
+        except (json.JSONDecodeError, TypeError):
+            return True
+        g_street = norm(g.get('address') or g.get('strada') or '')
+        r_street = norm((r.get('strada') or '') + (r.get('numar') or ''))
+        g_city = norm(g.get('city') or g.get('localitate') or '')
+        r_city = norm(r.get('localitate') or '')
+        g_region = norm(g.get('region') or g.get('judet') or '')
+        r_region = norm(r.get('judet') or '')
+        return g_street == r_street and g_city == r_city and g_region == r_region
+
+    try:
+        rows = conn.execute("""
+            SELECT order_number, adresa_livrare_gomag, adresa_livrare_roa,
+                   adresa_facturare_gomag, adresa_facturare_roa
+            FROM orders
+            WHERE adresa_livrare_roa IS NOT NULL OR adresa_facturare_roa IS NOT NULL
+        """).fetchall()
+        updated = 0
+        for r in rows:
+            livr_ok = addr_match(r[1], r[2])
+            fact_ok = addr_match(r[3], r[4])
+            new_val = 1 if (not livr_ok or not fact_ok) else 0
+            conn.execute(
+                "UPDATE orders SET address_mismatch = ? WHERE order_number = ?",
+                (new_val, r[0])
+            )
+            updated += 1
+        if updated:
+            conn.commit()
+            logger.info(f"Backfill address_mismatch: {updated} orders recomputed")
+    except Exception as e:
+        logger.warning(f"Backfill address_mismatch failed: {e}")
+
 async def get_sqlite():
     """Get async SQLite connection."""
     if _sqlite_db_path is None: