feat(hermes): add prompt caching settings

scripts/dev-api.js

@@ -3329,6 +3329,7 @@ const HERMES_APPROVAL_MODES = new Set(['manual', 'smart', 'off'])
 const HERMES_APPROVAL_CRON_MODES = new Set(['deny', 'approve'])
 const HERMES_LOGGING_LEVELS = new Set(['DEBUG', 'INFO', 'WARNING'])
 const HERMES_AGENT_IMAGE_INPUT_MODES = new Set(['auto', 'native', 'text'])
+const HERMES_PROMPT_CACHE_TTLS = new Set(['5m', '1h'])
 const HERMES_DISPLAY_TOOL_PROGRESS_VALUES = new Set(['off', 'new', 'all', 'verbose'])
 const HERMES_DISPLAY_STREAMING_VALUES = new Set(['inherit', 'true', 'false'])
 const HERMES_DISPLAY_RESUME_VALUES = new Set(['full', 'minimal'])
@@ -3444,6 +3445,13 @@ function normalizeHermesImageInputMode(value, strict = false) {
   return 'auto'
 }
 
+function normalizeHermesPromptCacheTtl(value, strict = false) {
+  const ttl = String(value ?? '').trim().toLowerCase() || '5m'
+  if (HERMES_PROMPT_CACHE_TTLS.has(ttl)) return ttl
+  if (strict) throw new Error('prompt_caching.cache_ttl 必须是 5m 或 1h')
+  return '5m'
+}
+
 function normalizeHermesDisplayToolProgress(value, strict = false, key = 'display.tool_progress') {
   const progress = String(value ?? '').trim().toLowerCase() || 'all'
   if (HERMES_DISPLAY_TOOL_PROGRESS_VALUES.has(progress)) return progress
@@ -3645,6 +3653,27 @@ export function mergeHermesCompressionConfig(config = {}, form = {}) {
   return next
 }
 
+export function buildHermesPromptCachingConfigValues(config = {}) {
+  const root = config && typeof config === 'object' && !Array.isArray(config) ? config : {}
+  const promptCaching = root.prompt_caching && typeof root.prompt_caching === 'object' && !Array.isArray(root.prompt_caching)
+    ? root.prompt_caching
+    : {}
+  return {
+    promptCacheTtl: normalizeHermesPromptCacheTtl(promptCaching.cache_ttl, false),
+  }
+}
+
+export function mergeHermesPromptCachingConfig(config = {}, form = {}) {
+  const next = mergeConfigsPreservingFields({}, config && typeof config === 'object' && !Array.isArray(config) ? config : {})
+  const currentValues = buildHermesPromptCachingConfigValues(next)
+  const promptCaching = next.prompt_caching && typeof next.prompt_caching === 'object' && !Array.isArray(next.prompt_caching)
+    ? mergeConfigsPreservingFields(next.prompt_caching, {})
+    : {}
+  promptCaching.cache_ttl = normalizeHermesPromptCacheTtl(Object.hasOwn(form, 'promptCacheTtl') ? form.promptCacheTtl : currentValues.promptCacheTtl, true)
+  next.prompt_caching = promptCaching
+  return next
+}
+
 export function buildHermesToolLoopGuardrailsConfigValues(config = {}) {
   const root = config && typeof config === 'object' && !Array.isArray(config) ? config : {}
   const guardrails = root.tool_loop_guardrails && typeof root.tool_loop_guardrails === 'object' && !Array.isArray(root.tool_loop_guardrails)
@@ -10623,6 +10652,27 @@ const handlers = {
     }
   },
 
+  hermes_prompt_caching_config_read() {
+    const { configPath, exists, config } = readHermesConfigYamlObject()
+    return {
+      exists,
+      configPath,
+      values: buildHermesPromptCachingConfigValues(config),
+    }
+  },
+
+  hermes_prompt_caching_config_save({ form } = {}) {
+    const { configPath, config } = readHermesConfigYamlObject()
+    const next = mergeHermesPromptCachingConfig(config, form || {})
+    const backup = writeHermesConfigYamlObject(configPath, next)
+    return {
+      ok: true,
+      configPath,
+      backup,
+      values: buildHermesPromptCachingConfigValues(next),
+    }
+  },
+
   hermes_tool_loop_guardrails_config_read() {
     const { configPath, exists, config } = readHermesConfigYamlObject()
     return {