feat(openai-ws): 合并 WS v2 透传模式与前端 ws mode
新增 OpenAI WebSocket v2 passthrough relay 数据面与服务适配层, 支持按账号 ws mode 在 ctx_pool 与 passthrough 间路由。 同步调整前端 OpenAI ws mode 选项为 off/ctx_pool/passthrough, 并补充 i18n 文案与对应单测。 新增 Caddyfile.dmit 与 docker-compose-aicodex.yml 部署配置, 用于宿主机场景下的反向代理与服务编排。 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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backend/internal/service/openai_ws_v2/metrics.go
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29
backend/internal/service/openai_ws_v2/metrics.go
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package openai_ws_v2
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import (
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"sync/atomic"
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)
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// MetricsSnapshot 是 OpenAI WS v2 passthrough 路径的轻量运行时指标快照。
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type MetricsSnapshot struct {
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SemanticMutationTotal int64 `json:"semantic_mutation_total"`
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UsageParseFailureTotal int64 `json:"usage_parse_failure_total"`
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}
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var (
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// passthrough 路径默认不会做语义改写,该计数通常应保持为 0(保留用于未来防御性校验)。
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passthroughSemanticMutationTotal atomic.Int64
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passthroughUsageParseFailureTotal atomic.Int64
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)
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func recordUsageParseFailure() {
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passthroughUsageParseFailureTotal.Add(1)
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}
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// SnapshotMetrics 返回当前 passthrough 指标快照。
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func SnapshotMetrics() MetricsSnapshot {
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return MetricsSnapshot{
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SemanticMutationTotal: passthroughSemanticMutationTotal.Load(),
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UsageParseFailureTotal: passthroughUsageParseFailureTotal.Load(),
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}
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}
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