feat: support shared pet care tasks and smooth daily page return

pets-fe/pages/tasks/tasks.js

@@ -4,6 +4,7 @@ const { localDate, shiftDate } = require("../../utils/date");
 Page({
   data: {
     pets: [],
+    petOptions: [],
     tasks: [],
     taskBusyIds: [],
     completingAll: false,
@@ -32,10 +33,11 @@ Page({
       if (date !== this.data.date) return;
       const tasks = result.items.map((t) => ({
         ...t,
-        petName: (pets.find((p) => p.id === t.pet_id) || {}).name || "宠物",
+        petName: t.all_pets ? "全部宠物" : (pets.find((p) => p.id === t.pet_id) || {}).name || "宠物",
       }));
       this.setData({
         pets,
+        petOptions: [...pets, { id: "", name: "全部宠物" }],
         tasks,
         undoneCount: tasks.filter((t) => !t.completed).length,
         done: tasks.filter((t) => t.completed).length,
@@ -78,7 +80,7 @@ Page({
       showForm: true,
       editingId: task.id,
       title: task.title,
-      petIndex: Math.max(petIndex, 0),
+      petIndex: task.all_pets ? this.data.pets.length : Math.max(petIndex, 0),
       category: task.category,
       time_of_day: task.time_of_day,
       repeat_rule: task.repeat_rule,
@@ -125,7 +127,9 @@ Page({
         this.data.editingId ? "/tasks/" + this.data.editingId : "/tasks",
         this.data.editingId ? "PUT" : "POST",
         {
-          pet_id: this.data.pets[this.data.petIndex].id,
+          ...(this.data.petIndex === this.data.pets.length
+            ? { all_pets: true }
+            : { pet_id: this.data.pets[this.data.petIndex].id }),
           title: this.data.title.trim(),
           category: this.data.category,
           time_of_day: this.data.time_of_day,