[codex] Harden context compression history handling (#848)

* Use token threshold for chat compression * Add compression settings controls * Use config for chat compression * Cover protected messages in compression tests * Remove message-count compression limit * Harden compression window fallback * Rebuild stale compression snapshots * Harden stale compression snapshots * Update changelog for compression hardening * Prefer local history session details
2026-05-19 17:58:39 +08:00
parent 84e343fc22
commit 0547fd6b6a
22 changed files with 1255 additions and 56 deletions
@@ -0,0 +1,106 @@
+<script setup lang="ts">
+import { NInputNumber, NSwitch, useMessage } from 'naive-ui'
+import { useI18n } from 'vue-i18n'
+import { useSettingsStore } from '@/stores/hermes/settings'
+import SettingRow from './SettingRow.vue'
+
+const settingsStore = useSettingsStore()
+const message = useMessage()
+const { t } = useI18n()
+
+const defaults = {
+  enabled: true,
+  threshold: 0.5,
+  target_ratio: 0.2,
+  protect_last_n: 20,
+  protect_first_n: 3,
+}
+
+const debounceTimers: Record<string, ReturnType<typeof setTimeout>> = {}
+
+function save(values: Record<string, any>) {
+  settingsStore.updateLocal('compression', values)
+  settingsStore.saveSection('compression', values).then(() => {
+    message.success(t('settings.saved'))
+  }).catch(() => {
+    message.error(t('settings.saveFailed'))
+  })
+}
+
+function debouncedSave(key: string, value: any) {
+  settingsStore.updateLocal('compression', { [key]: value })
+  if (debounceTimers[key]) clearTimeout(debounceTimers[key])
+  debounceTimers[key] = setTimeout(async () => {
+    try {
+      await settingsStore.saveSection('compression', { [key]: value })
+      message.success(t('settings.saved'))
+    } catch {
+      message.error(t('settings.saveFailed'))
+    }
+  }, 300)
+}
+</script>
+
+<template>
+  <section class="settings-section">
+    <SettingRow :label="t('settings.compression.enabled')" :hint="t('settings.compression.enabledHint')">
+      <NSwitch
+        :value="settingsStore.compression.enabled ?? defaults.enabled"
+        size="small"
+        @update:value="v => save({ enabled: v })"
+      />
+    </SettingRow>
+    <SettingRow :label="t('settings.compression.threshold')" :hint="t('settings.compression.thresholdHint')">
+      <NInputNumber
+        :value="settingsStore.compression.threshold ?? defaults.threshold"
+        :min="0.1"
+        :max="0.95"
+        :step="0.05"
+        size="small"
+        class="input-sm"
+        @update:value="v => v != null && debouncedSave('threshold', v)"
+      />
+    </SettingRow>
+    <SettingRow :label="t('settings.compression.targetRatio')" :hint="t('settings.compression.targetRatioHint')">
+      <NInputNumber
+        :value="settingsStore.compression.target_ratio ?? defaults.target_ratio"
+        :min="0.05"
+        :max="0.8"
+        :step="0.05"
+        size="small"
+        class="input-sm"
+        @update:value="v => v != null && debouncedSave('target_ratio', v)"
+      />
+    </SettingRow>
+    <SettingRow :label="t('settings.compression.protectLastN')" :hint="t('settings.compression.protectLastNHint')">
+      <NInputNumber
+        :value="settingsStore.compression.protect_last_n ?? defaults.protect_last_n"
+        :min="0"
+        :max="200"
+        :step="1"
+        size="small"
+        class="input-sm"
+        @update:value="v => v != null && debouncedSave('protect_last_n', v)"
+      />
+    </SettingRow>
+    <SettingRow :label="t('settings.compression.protectFirstN')" :hint="t('settings.compression.protectFirstNHint')">
+      <NInputNumber
+        :value="settingsStore.compression.protect_first_n ?? defaults.protect_first_n"
+        :min="0"
+        :max="50"
+        :step="1"
+        size="small"
+        class="input-sm"
+        @update:value="v => v != null && debouncedSave('protect_first_n', v)"
+      />
+    </SettingRow>
+  </section>
+</template>
+
+<style scoped lang="scss">
+@use '@/styles/variables' as *;
+
+.settings-section {
+  margin-top: 16px;
+}
+</style>