3 files changed, 27 insertions, 3 deletions
diff --git a/backend/src/types/error.ts b/backend/src/types/error.ts
new file mode 100644
index 0000000..c848e34
--- /dev/null
+++ b/backend/src/types/error.ts
@@ -0,0 +1,4 @@
+export type ErrorResponse = {
+    message: string;
+    error?: unknown;
+};
diff --git a/backend/src/types/robot.ts b/backend/src/types/robot.ts
new file mode 100644
index 0000000..40ce282
--- /dev/null
+++ b/backend/src/types/robot.ts
@@ -0,0 +1,20 @@
+export type RobotPosition = {
+    lat: number;
+    lon: number;
+};
+
+export type Robot = {
+    id: number;
+    name: string;
+    status: "idle" | "moving";
+    lat: number;
+    lon: number;
+    robot_positions: RobotPosition[];
+    created_at: string;
+    updated_at: string;
+};
+
+export type RobotsResponse = {
+    source: "cache" | "database";
+    data: Robot[];
+};
diff --git a/backend/src/types/user.ts b/backend/src/types/user.ts
index 875072c..b2c7ffc 100644
--- a/backend/src/types/user.ts
+++ b/backend/src/types/user.ts
@@ -1,18 +1,18 @@
 export type AdminCreationResult = {
     id: string;
     email: string;
-    created_at: Date;
+    created_at: string;
 };
 
 export type AuthorizedUser = {
     id: string;
     email: string;
-    createdAt: Date;
+    createdAt: string;
 };
 
 export type DatabaseUser = {
     id: string;
     email: string;
     password_hash: string;
-    created_at: Date;
+    created_at: string;
 };