修复图表横轴时间标签不完整：用tickLabels替代index取模过滤

frontend/components/dashboard/DetailMiniTemperatureChart.tsx

@@ -79,7 +79,7 @@ export function DetailMiniTemperatureChart({ detail }: { detail: CityDetail }) {
     return {
       data: {
         datasets,
-        labels: chartData.times,
+        labels: chartData.tickLabels,
       },
       options: {
         interaction: { intersect: false, mode: "index" },
@@ -98,13 +98,8 @@ export function DetailMiniTemperatureChart({ detail }: { detail: CityDetail }) {
           x: {
             grid: { color: "rgba(255,255,255,0.03)" },
             ticks: {
-              callback: (value, index) =>
-                typeof index === "number" && index % 4 === 0
-                  ? String(value)
-                  : "",
               color: "#6B7A90",
               font: { size: 10 },
-              maxTicksLimit: 6,
               maxRotation: 0,
             },
           },

frontend/components/dashboard/scan-terminal/AiCityTemperatureChart.tsx

@@ -154,7 +154,7 @@ export const AiCityTemperatureChart = memo(function AiCityTemperatureChart({ det
     return {
       data: {
         datasets,
-        labels: chartData.times,
+        labels: chartData.tickLabels,
       },
       options: {
         animation: false,
@@ -174,13 +174,8 @@ export const AiCityTemperatureChart = memo(function AiCityTemperatureChart({ det
           x: {
             grid: { color: "rgba(159, 178, 199, 0.08)" },
             ticks: {
-              callback: (value, index) =>
-                typeof index === "number" && index % 3 === 0
-                  ? String(value)
-                  : "",
               color: "#6B7A90",
               font: { size: 10 },
-              maxTicksLimit: 8,
               maxRotation: 0,
             },
           },