polish usage output rate and installer progress

frontend/src/features/usage/components/UsageRecordsTable.vue

@@ -289,10 +289,9 @@
               :title="getRecordPerformanceTitle(record)"
             >
               <span class="whitespace-nowrap">{{ formatRecordLatencyPair(record) }}</span>
-              <span
-                v-if="getRecordDisplayOutputRate(record) != null"
-                class="text-muted-foreground tabular-nums whitespace-nowrap"
-              >{{ formatOutputRate(getRecordDisplayOutputRate(record)) }}</span>
+              <span class="text-muted-foreground tabular-nums whitespace-nowrap">
+                {{ formatOutputRate(getRecordDisplayOutputRate(record)) }}
+              </span>
             </span>
             <span
               v-else
@@ -751,10 +750,9 @@
               :title="getRecordPerformanceTitle(record)"
             >
               <span class="tabular-nums whitespace-nowrap">{{ formatRecordLatencyPair(record) }}</span>
-              <span
-                v-if="getRecordDisplayOutputRate(record) != null"
-                class="text-muted-foreground tabular-nums whitespace-nowrap"
-              >{{ formatOutputRate(getRecordDisplayOutputRate(record)) }}</span>
+              <span class="text-muted-foreground tabular-nums whitespace-nowrap">
+                {{ formatOutputRate(getRecordDisplayOutputRate(record)) }}
+              </span>
             </div>
             <span
               v-else

frontend/src/features/usage/components/__tests__/UsageRecordsTable.spec.ts

@@ -172,6 +172,27 @@ describe('UsageRecordsTable', () => {
     expect(titles.join('\n')).not.toContain('首字后生成耗时')
   })
 
+  it('shows an output speed placeholder when the rate is unavailable', () => {
+    const root = mountUsageRecordsTable([buildRecord({
+      output_tokens: 0,
+      response_time_ms: 1000,
+      first_byte_time_ms: 500,
+    })])
+
+    const performanceCell = root.querySelector('table tbody tr td:last-child') as HTMLElement
+    expect(performanceCell.textContent).toContain('0.50s / 1.00s')
+    expect([...performanceCell.querySelectorAll<HTMLElement>('.text-muted-foreground')]
+      .some((element) => element.textContent?.trim() === '-')).toBe(true)
+
+    const titles = [...root.querySelectorAll<HTMLElement>('[title]')].map((element) => element.title)
+    expect(titles).toContain([
+      '首字: 0.50s',
+      '总耗时: 1.00s',
+      '生成耗时: 0.50s',
+      '输出速度: -',
+    ].join('\n'))
+  })
+
   it('keeps active request latency in one first-byte / live-total line without TPS', () => {
     const root = mountUsageRecordsTable([buildRecord({
       status: 'streaming',

install.sh

@@ -308,10 +308,24 @@ detect_arch() {
 download_to() {
     local url="$1"
     local output="$2"
+    local mode="${3:-quiet}"
+    local show_progress="false"
+    if [[ "${mode}" == "progress" && -t 2 ]]; then
+        show_progress="true"
+    fi
+
     if command -v curl >/dev/null 2>&1; then
-        curl -fsSL "${url}" -o "${output}"
+        if [[ "${show_progress}" == "true" ]]; then
+            curl -fL --progress-bar "${url}" -o "${output}"
+        else
+            curl -fsSL "${url}" -o "${output}"
+        fi
     elif command -v wget >/dev/null 2>&1; then
-        wget -qO "${output}" "${url}"
+        if [[ "${show_progress}" == "true" ]]; then
+            wget -O "${output}" "${url}"
+        else
+            wget -qO "${output}" "${url}"
+        fi
     else
         die "curl or wget is required to download release assets"
     fi
@@ -431,7 +445,7 @@ download_or_unpack_bundle() {
         sums_file="${TMP_ROOT}/SHA256SUMS"
 
         info "downloading ${asset} from ${REPO}"
-        download_to "${base_url}/${asset}" "${archive_file}"
+        download_to "${base_url}/${asset}" "${archive_file}" progress
         download_to "${base_url}/SHA256SUMS" "${sums_file}"
         verify_checksum "${sums_file}" "${archive_file}"
         tar -xzf "${archive_file}" -C "${TMP_ROOT}"