feat(prompts): v2 DB 控制面热切换 —— 版本留存 + 不重启即生效
在 v1(注册表+文件覆盖)上加 DB 管理层与热切换,镜像 model-config 控制面: - store: sundynix_prompt 表(key/version/content/active) + ActivePrompts/ListPrompts/ CreateVersion/Activate/Deactivate - 控制面: ServePrompts/RequestActivePrompts(+Retry)/PublishPromptsUpdated/SubscribePromptsUpdated; prompts.ApplyOverrides 整体替换覆盖集(DB 激活集为权威) - gateway API: GET/POST /api/v1/prompts、version/activate/deactivate;激活/撤销即广播 - dispatcher/mcp-go: 启动拉激活集 + 订阅热更新(不重启) - live: 建版本→激活→mcp-go 图谱抽取 2→0→回滚 2(全程不重启);deactivate 回退代码默认;版本可回溯 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -20,6 +20,9 @@ const (
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MemoryExtract = "memory.extract" // dispatcher:长期记忆对账
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)
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// Known 是平台受管的全部 prompt key(供管理端列出可配项;网关进程不登记默认,靠它枚举)。
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var Known = []string{GraphExtract, EvalQuality, EvalRefine, GuardJailbreak, CoordinatorLead, MemoryExtract}
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// Registry 持有默认与覆盖;Get 取覆盖优先、否则默认。并发安全。
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type Registry struct {
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mu sync.RWMutex
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@@ -53,6 +56,21 @@ func (r *Registry) SetOverride(key, text string) {
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r.overrides[key] = text
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}
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// ApplyOverrides 用给定集合整体替换当前覆盖集(控制面热下发:DB 激活集为权威)。
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// 空值条目忽略;传空 map 即清空所有覆盖、全回退内置默认。
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func ApplyOverrides(m map[string]string) { global.ApplyOverrides(m) }
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func (r *Registry) ApplyOverrides(m map[string]string) {
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r.mu.Lock()
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defer r.mu.Unlock()
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next := make(map[string]string, len(m))
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for k, v := range m {
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if v != "" {
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next[k] = v
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}
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}
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r.overrides = next
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}
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// Get 取生效内容:有覆盖用覆盖,否则用默认(都没有则空串)。
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func Get(key string) string { return global.Get(key) }
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func (r *Registry) Get(key string) string {
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