diff --git a/packages/db/migrations/0011_impersonation_indexes.sql b/packages/db/migrations/0011_impersonation_indexes.sql
new file mode 100644
index 0000000..2529e84
--- /dev/null
+++ b/packages/db/migrations/0011_impersonation_indexes.sql
@@ -0,0 +1,6 @@
+-- Add indexes on impersonation tables to prevent full table scans
+-- Ref: GitHub #95
+
+CREATE INDEX "impersonation_sessions_staff_id_status_idx" ON "impersonation_sessions" USING btree ("staff_id","status");--> statement-breakpoint
+CREATE INDEX "impersonation_sessions_client_id_idx" ON "impersonation_sessions" USING btree ("client_id");--> statement-breakpoint
+CREATE INDEX "impersonation_audit_logs_session_id_idx" ON "impersonation_audit_logs" USING btree ("session_id");
diff --git a/packages/db/migrations/meta/0011_snapshot.json b/packages/db/migrations/meta/0011_snapshot.json
new file mode 100644
index 0000000..2d20d90
--- /dev/null
+++ b/packages/db/migrations/meta/0011_snapshot.json
@@ -0,0 +1,1468 @@
+{
+  "id": "db89d732-7cd5-414e-848b-7f113dcd94c1",
+  "prevId": "477cddf9-970f-41c5-9cad-c1ed48c2bedf",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.appointment_groups": {
+      "name": "appointment_groups",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "client_id": {
+          "name": "client_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "appointment_groups_client_id_clients_id_fk": {
+          "name": "appointment_groups_client_id_clients_id_fk",
+          "tableFrom": "appointment_groups",
+          "tableTo": "clients",
+          "columnsFrom": [
+            "client_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.appointments": {
+      "name": "appointments",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "client_id": {
+          "name": "client_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "pet_id": {
+          "name": "pet_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "service_id": {
+          "name": "service_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "staff_id": {
+          "name": "staff_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "bather_staff_id": {
+          "name": "bather_staff_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "status": {
+          "name": "status",
+          "type": "appointment_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'scheduled'"
+        },
+        "start_time": {
+          "name": "start_time",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "end_time": {
+          "name": "end_time",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "price_cents": {
+          "name": "price_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "series_id": {
+          "name": "series_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "series_index": {
+          "name": "series_index",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "group_id": {
+          "name": "group_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "appointments_client_id_clients_id_fk": {
+          "name": "appointments_client_id_clients_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "clients",
+          "columnsFrom": [
+            "client_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        },
+        "appointments_pet_id_pets_id_fk": {
+          "name": "appointments_pet_id_pets_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "pets",
+          "columnsFrom": [
+            "pet_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        },
+        "appointments_service_id_services_id_fk": {
+          "name": "appointments_service_id_services_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "services",
+          "columnsFrom": [
+            "service_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        },
+        "appointments_staff_id_staff_id_fk": {
+          "name": "appointments_staff_id_staff_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "staff",
+          "columnsFrom": [
+            "staff_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        },
+        "appointments_bather_staff_id_staff_id_fk": {
+          "name": "appointments_bather_staff_id_staff_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "staff",
+          "columnsFrom": [
+            "bather_staff_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        },
+        "appointments_series_id_recurring_series_id_fk": {
+          "name": "appointments_series_id_recurring_series_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "recurring_series",
+          "columnsFrom": [
+            "series_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        },
+        "appointments_group_id_appointment_groups_id_fk": {
+          "name": "appointments_group_id_appointment_groups_id_fk",
+          "tableFrom": "appointments",
+          "tableTo": "appointment_groups",
+          "columnsFrom": [
+            "group_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.business_settings": {
+      "name": "business_settings",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "business_name": {
+          "name": "business_name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'GroomBook'"
+        },
+        "logo_base64": {
+          "name": "logo_base64",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "logo_mime_type": {
+          "name": "logo_mime_type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "primary_color": {
+          "name": "primary_color",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'#4f8a6f'"
+        },
+        "accent_color": {
+          "name": "accent_color",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'#8b7355'"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.clients": {
+      "name": "clients",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "phone": {
+          "name": "phone",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "address": {
+          "name": "address",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "email_opt_out": {
+          "name": "email_opt_out",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": false
+        },
+        "status": {
+          "name": "status",
+          "type": "client_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'active'"
+        },
+        "disabled_at": {
+          "name": "disabled_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.grooming_visit_logs": {
+      "name": "grooming_visit_logs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "pet_id": {
+          "name": "pet_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "appointment_id": {
+          "name": "appointment_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "staff_id": {
+          "name": "staff_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cut_style": {
+          "name": "cut_style",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "products_used": {
+          "name": "products_used",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "groomed_at": {
+          "name": "groomed_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "grooming_visit_logs_pet_id_pets_id_fk": {
+          "name": "grooming_visit_logs_pet_id_pets_id_fk",
+          "tableFrom": "grooming_visit_logs",
+          "tableTo": "pets",
+          "columnsFrom": [
+            "pet_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        },
+        "grooming_visit_logs_appointment_id_appointments_id_fk": {
+          "name": "grooming_visit_logs_appointment_id_appointments_id_fk",
+          "tableFrom": "grooming_visit_logs",
+          "tableTo": "appointments",
+          "columnsFrom": [
+            "appointment_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        },
+        "grooming_visit_logs_staff_id_staff_id_fk": {
+          "name": "grooming_visit_logs_staff_id_staff_id_fk",
+          "tableFrom": "grooming_visit_logs",
+          "tableTo": "staff",
+          "columnsFrom": [
+            "staff_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.impersonation_audit_logs": {
+      "name": "impersonation_audit_logs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "session_id": {
+          "name": "session_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "action": {
+          "name": "action",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "page_visited": {
+          "name": "page_visited",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "metadata": {
+          "name": "metadata",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {
+        "impersonation_audit_logs_session_id_idx": {
+          "name": "impersonation_audit_logs_session_id_idx",
+          "columns": [
+            {
+              "expression": "session_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {
+        "impersonation_audit_logs_session_id_impersonation_sessions_id_fk": {
+          "name": "impersonation_audit_logs_session_id_impersonation_sessions_id_fk",
+          "tableFrom": "impersonation_audit_logs",
+          "tableTo": "impersonation_sessions",
+          "columnsFrom": [
+            "session_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.impersonation_sessions": {
+      "name": "impersonation_sessions",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "staff_id": {
+          "name": "staff_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "client_id": {
+          "name": "client_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "reason": {
+          "name": "reason",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "status": {
+          "name": "status",
+          "type": "impersonation_session_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'active'"
+        },
+        "started_at": {
+          "name": "started_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "ended_at": {
+          "name": "ended_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {
+        "impersonation_sessions_staff_id_status_idx": {
+          "name": "impersonation_sessions_staff_id_status_idx",
+          "columns": [
+            {
+              "expression": "staff_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            },
+            {
+              "expression": "status",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        },
+        "impersonation_sessions_client_id_idx": {
+          "name": "impersonation_sessions_client_id_idx",
+          "columns": [
+            {
+              "expression": "client_id",
+              "isExpression": false,
+              "asc": true,
+              "nulls": "last"
+            }
+          ],
+          "isUnique": false,
+          "concurrently": false,
+          "method": "btree",
+          "with": {}
+        }
+      },
+      "foreignKeys": {
+        "impersonation_sessions_staff_id_staff_id_fk": {
+          "name": "impersonation_sessions_staff_id_staff_id_fk",
+          "tableFrom": "impersonation_sessions",
+          "tableTo": "staff",
+          "columnsFrom": [
+            "staff_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        },
+        "impersonation_sessions_client_id_clients_id_fk": {
+          "name": "impersonation_sessions_client_id_clients_id_fk",
+          "tableFrom": "impersonation_sessions",
+          "tableTo": "clients",
+          "columnsFrom": [
+            "client_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.invoice_line_items": {
+      "name": "invoice_line_items",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "invoice_id": {
+          "name": "invoice_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "quantity": {
+          "name": "quantity",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 1
+        },
+        "unit_price_cents": {
+          "name": "unit_price_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "total_cents": {
+          "name": "total_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "invoice_line_items_invoice_id_invoices_id_fk": {
+          "name": "invoice_line_items_invoice_id_invoices_id_fk",
+          "tableFrom": "invoice_line_items",
+          "tableTo": "invoices",
+          "columnsFrom": [
+            "invoice_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.invoice_tip_splits": {
+      "name": "invoice_tip_splits",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "invoice_id": {
+          "name": "invoice_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "staff_id": {
+          "name": "staff_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "staff_name": {
+          "name": "staff_name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "share_pct": {
+          "name": "share_pct",
+          "type": "numeric(5, 2)",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "share_cents": {
+          "name": "share_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "invoice_tip_splits_invoice_id_invoices_id_fk": {
+          "name": "invoice_tip_splits_invoice_id_invoices_id_fk",
+          "tableFrom": "invoice_tip_splits",
+          "tableTo": "invoices",
+          "columnsFrom": [
+            "invoice_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        },
+        "invoice_tip_splits_staff_id_staff_id_fk": {
+          "name": "invoice_tip_splits_staff_id_staff_id_fk",
+          "tableFrom": "invoice_tip_splits",
+          "tableTo": "staff",
+          "columnsFrom": [
+            "staff_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "set null",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.invoices": {
+      "name": "invoices",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "appointment_id": {
+          "name": "appointment_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "client_id": {
+          "name": "client_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "subtotal_cents": {
+          "name": "subtotal_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "tax_cents": {
+          "name": "tax_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "tip_cents": {
+          "name": "tip_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "default": 0
+        },
+        "total_cents": {
+          "name": "total_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "status": {
+          "name": "status",
+          "type": "invoice_status",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'draft'"
+        },
+        "payment_method": {
+          "name": "payment_method",
+          "type": "payment_method",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "paid_at": {
+          "name": "paid_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "invoices_appointment_id_appointments_id_fk": {
+          "name": "invoices_appointment_id_appointments_id_fk",
+          "tableFrom": "invoices",
+          "tableTo": "appointments",
+          "columnsFrom": [
+            "appointment_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        },
+        "invoices_client_id_clients_id_fk": {
+          "name": "invoices_client_id_clients_id_fk",
+          "tableFrom": "invoices",
+          "tableTo": "clients",
+          "columnsFrom": [
+            "client_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "restrict",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.pets": {
+      "name": "pets",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "client_id": {
+          "name": "client_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "species": {
+          "name": "species",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "breed": {
+          "name": "breed",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "weight_kg": {
+          "name": "weight_kg",
+          "type": "numeric(5, 2)",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "date_of_birth": {
+          "name": "date_of_birth",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "health_alerts": {
+          "name": "health_alerts",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "grooming_notes": {
+          "name": "grooming_notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "cut_style": {
+          "name": "cut_style",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "shampoo_preference": {
+          "name": "shampoo_preference",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "special_care_notes": {
+          "name": "special_care_notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "custom_fields": {
+          "name": "custom_fields",
+          "type": "jsonb",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'{}'::jsonb"
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "pets_client_id_clients_id_fk": {
+          "name": "pets_client_id_clients_id_fk",
+          "tableFrom": "pets",
+          "tableTo": "clients",
+          "columnsFrom": [
+            "client_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.recurring_series": {
+      "name": "recurring_series",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "frequency_weeks": {
+          "name": "frequency_weeks",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.reminder_logs": {
+      "name": "reminder_logs",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "appointment_id": {
+          "name": "appointment_id",
+          "type": "uuid",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "reminder_type": {
+          "name": "reminder_type",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "sent_at": {
+          "name": "sent_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "reminder_logs_appointment_id_appointments_id_fk": {
+          "name": "reminder_logs_appointment_id_appointments_id_fk",
+          "tableFrom": "reminder_logs",
+          "tableTo": "appointments",
+          "columnsFrom": [
+            "appointment_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "reminder_logs_appointment_id_reminder_type_unique": {
+          "name": "reminder_logs_appointment_id_reminder_type_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "appointment_id",
+            "reminder_type"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.services": {
+      "name": "services",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "base_price_cents": {
+          "name": "base_price_cents",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "duration_minutes": {
+          "name": "duration_minutes",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "active": {
+          "name": "active",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.staff": {
+      "name": "staff",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "uuid",
+          "primaryKey": true,
+          "notNull": true,
+          "default": "gen_random_uuid()"
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "email": {
+          "name": "email",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "oidc_sub": {
+          "name": "oidc_sub",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        },
+        "role": {
+          "name": "role",
+          "type": "staff_role",
+          "typeSchema": "public",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "'groomer'"
+        },
+        "active": {
+          "name": "active",
+          "type": "boolean",
+          "primaryKey": false,
+          "notNull": true,
+          "default": true
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "default": "now()"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {
+        "staff_email_unique": {
+          "name": "staff_email_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "email"
+          ]
+        },
+        "staff_oidc_sub_unique": {
+          "name": "staff_oidc_sub_unique",
+          "nullsNotDistinct": false,
+          "columns": [
+            "oidc_sub"
+          ]
+        }
+      },
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {
+    "public.appointment_status": {
+      "name": "appointment_status",
+      "schema": "public",
+      "values": [
+        "scheduled",
+        "confirmed",
+        "in_progress",
+        "completed",
+        "cancelled",
+        "no_show"
+      ]
+    },
+    "public.client_status": {
+      "name": "client_status",
+      "schema": "public",
+      "values": [
+        "active",
+        "disabled"
+      ]
+    },
+    "public.impersonation_session_status": {
+      "name": "impersonation_session_status",
+      "schema": "public",
+      "values": [
+        "active",
+        "ended",
+        "expired"
+      ]
+    },
+    "public.invoice_status": {
+      "name": "invoice_status",
+      "schema": "public",
+      "values": [
+        "draft",
+        "pending",
+        "paid",
+        "void"
+      ]
+    },
+    "public.payment_method": {
+      "name": "payment_method",
+      "schema": "public",
+      "values": [
+        "cash",
+        "card",
+        "check",
+        "other"
+      ]
+    },
+    "public.staff_role": {
+      "name": "staff_role",
+      "schema": "public",
+      "values": [
+        "groomer",
+        "receptionist",
+        "manager"
+      ]
+    }
+  },
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}
\ No newline at end of file
diff --git a/packages/db/migrations/meta/_journal.json b/packages/db/migrations/meta/_journal.json
index d0fbd7f..7a47235 100644
--- a/packages/db/migrations/meta/_journal.json
+++ b/packages/db/migrations/meta/_journal.json
@@ -78,6 +78,13 @@
       "when": 1742500800000,
       "tag": "0010_impersonation_sessions",
       "breakpoints": true
+    },
+    {
+      "idx": 11,
+      "version": "7",
+      "when": 1742587200000,
+      "tag": "0011_impersonation_indexes",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/packages/db/src/schema.ts b/packages/db/src/schema.ts
index ab61312..7a59176 100644
--- a/packages/db/src/schema.ts
+++ b/packages/db/src/schema.ts
@@ -1,5 +1,6 @@
 import {
   boolean,
+  index,
   integer,
   jsonb,
   numeric,
@@ -232,32 +233,45 @@ export const impersonationSessionStatusEnum = pgEnum(
   ["active", "ended", "expired"]
 );
 
-export const impersonationSessions = pgTable("impersonation_sessions", {
-  id: uuid("id").primaryKey().defaultRandom(),
-  staffId: uuid("staff_id")
-    .notNull()
-    .references(() => staff.id, { onDelete: "restrict" }),
-  clientId: uuid("client_id")
-    .notNull()
-    .references(() => clients.id, { onDelete: "restrict" }),
-  reason: text("reason"),
-  status: impersonationSessionStatusEnum("status").notNull().default("active"),
-  startedAt: timestamp("started_at").notNull().defaultNow(),
-  endedAt: timestamp("ended_at"),
-  expiresAt: timestamp("expires_at").notNull(),
-  createdAt: timestamp("created_at").notNull().defaultNow(),
-});
+export const impersonationSessions = pgTable(
+  "impersonation_sessions",
+  {
+    id: uuid("id").primaryKey().defaultRandom(),
+    staffId: uuid("staff_id")
+      .notNull()
+      .references(() => staff.id, { onDelete: "restrict" }),
+    clientId: uuid("client_id")
+      .notNull()
+      .references(() => clients.id, { onDelete: "restrict" }),
+    reason: text("reason"),
+    status: impersonationSessionStatusEnum("status")
+      .notNull()
+      .default("active"),
+    startedAt: timestamp("started_at").notNull().defaultNow(),
+    endedAt: timestamp("ended_at"),
+    expiresAt: timestamp("expires_at").notNull(),
+    createdAt: timestamp("created_at").notNull().defaultNow(),
+  },
+  (t) => [
+    index("impersonation_sessions_staff_id_status_idx").on(t.staffId, t.status),
+    index("impersonation_sessions_client_id_idx").on(t.clientId),
+  ]
+);
 
-export const impersonationAuditLogs = pgTable("impersonation_audit_logs", {
-  id: uuid("id").primaryKey().defaultRandom(),
-  sessionId: uuid("session_id")
-    .notNull()
-    .references(() => impersonationSessions.id, { onDelete: "cascade" }),
-  action: text("action").notNull(),
-  pageVisited: text("page_visited"),
-  metadata: jsonb("metadata").$type<Record<string, unknown>>(),
-  createdAt: timestamp("created_at").notNull().defaultNow(),
-});
+export const impersonationAuditLogs = pgTable(
+  "impersonation_audit_logs",
+  {
+    id: uuid("id").primaryKey().defaultRandom(),
+    sessionId: uuid("session_id")
+      .notNull()
+      .references(() => impersonationSessions.id, { onDelete: "cascade" }),
+    action: text("action").notNull(),
+    pageVisited: text("page_visited"),
+    metadata: jsonb("metadata").$type<Record<string, unknown>>(),
+    createdAt: timestamp("created_at").notNull().defaultNow(),
+  },
+  (t) => [index("impersonation_audit_logs_session_id_idx").on(t.sessionId)]
+);
 
 export const businessSettings = pgTable("business_settings", {
   id: uuid("id").primaryKey().defaultRandom(),