feat: account ensure-web (pick-or-create for first-run UX)

scripts/db/accounts_repo.py

@@ -284,6 +284,36 @@ def find_accounts(
         conn.close()
 
 
+def count_active_accounts(
+    platform_key: str,
+    environment: Optional[str] = None,
+    tenant_id: Optional[str] = None,
+    role: Optional[str] = None,
+) -> int:
+    """Count active accounts matching filters (ignores lease occupancy)."""
+    conn = get_conn()
+    try:
+        conn.row_factory = None
+        cur = conn.cursor()
+        conditions = ["status = 'active'", "platform_key = ?"]
+        params: list = [platform_key]
+        if environment:
+            conditions.append("environment = ?")
+            params.append(environment)
+        if tenant_id:
+            conditions.append("tenant_id = ?")
+            params.append(tenant_id)
+        if role:
+            conditions.append("role = ?")
+            params.append(role)
+        where = " AND ".join(conditions)
+        cur.execute(f"SELECT COUNT(*) FROM accounts WHERE {where}", params)
+        row = cur.fetchone()
+        return int(row[0] or 0) if row else 0
+    finally:
+        conn.close()
+
+
 def find_account_ids(
     platform_key: str,
     environment: Optional[str] = None,