[UPdate] Add error boundary.

src-ui/app/error_boundary/AppErrorBoundary.module.scss

@@ -0,0 +1,110 @@
+.container {
+    width: 100%;
+    height: 100%;
+    position: relative;
+}
+
+.wrapper {
+    width: 100%;
+    height: 100vh;
+    display: flex;
+    justify-content: safe center;
+    align-items: center;
+    flex-direction: column;
+    padding: 2rem;
+    overflow-y: auto;
+}
+
+.error_message {
+    font-size: 2rem;
+    text-align: center;
+    user-select: text;
+    margin-bottom: 3.2rem;
+}
+
+
+.error_detail_container {
+    display: flex;
+    flex-direction: column;
+    align-items: end;
+    gap: 1rem;
+}
+.error_stack_container {
+    max-height: 10rem;
+    width: 100%;
+    overflow-y: scroll;
+    padding: 1rem;
+    background-color: var(--dark_950_color);
+    border-radius: 0.4rem;
+}
+.error_stack {
+    font-size: 1rem;
+    user-select: text;
+}
+
+.copy_error_message_button {
+    // background-color: var(--dark_800_color);
+    padding: 0.8rem 1rem;
+    font-size: 1.4rem;
+    display: flex;
+    gap: 1rem;
+    justify-content: center;
+    align-items: center;
+    border-radius: 0.4rem;
+    background-color: var(--dark_825_color);
+    &:hover {
+        background-color: var(--dark_800_color);
+    }
+    &:active {
+        background-color: var(--dark_850_color);
+    }
+}
+
+.copy_svg {
+    width: 1.4rem;
+    color: var(--dark_500_color);
+}
+
+.check_mark_svg {
+    width: 1.4rem;
+    color: var(--primary_300_color);
+}
+
+
+
+.close_button_wrapper {
+    position: absolute;
+    top: 0;
+    left: 100%;
+    transform: translate(-50%, -50%) rotate(45deg);
+    display: flex;
+    justify-content: center;
+    align-items: end;
+    width: 68px;
+    aspect-ratio: 1 / 1;
+    background-color: var(--error_bc_color);
+    & .x_mark_svg {
+        color: var(--dark_200_color);
+    }
+    &:hover {
+        & .x_mark_svg {
+            transform: rotate(45deg);
+        }
+    }
+    &:active {
+        background-color: var(--error_bc_active_color);
+    }
+    transition: all 0.1s ease;
+}
+
+.close_button {
+    // width: 100%;
+    // height: 100%;
+}
+
+.x_mark_svg {
+    width: 24px;
+    transform: rotate(-45deg);
+    color: var(--dark_700_color);
+    transition: transform 0.3s ease;
+}