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fix(openai): 移除已下线 Codex 模型并修复归一化兜底副作用

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- backend: 删除 gpt-5 / 5.1 / 5.1-codex / 5.1-codex-max / 5.1-codex-mini / 5.2-codex / 5.4-nano 的内置映射与 DefaultModels 条目
- backend: normalizeCodexModel 默认兜底由 gpt-5.1 改为 gpt-5.4，gpt-5.3-codex-spark 独立保留映射
- backend: 修复 isOpenAIGPT54Model 与 shouldAutoInjectPromptCacheKeyForCompat 对 claude / gpt-4o 的误判（之前依赖 gpt-5.1 作为非 GPT 族的隐式 sentinel，改后需要显式前缀守卫）
- backend: 清理 billing_service 中已不可达的 fallback 价格与 switch 分支
- frontend: 从白名单、OpenCode 配置、预设映射中移除已下线模型
- 同步更新所有相关单测

Refs: #1758, parallels upstream #1759 but adds downstream guard fixes
This commit is contained in:
erio
2026-04-20 22:01:09 +08:00
parent 23def40bc5
commit bbc4aed3d9
11 changed files with 84 additions and 265 deletions
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29
backend/internal/service/billing_service_test.go
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@@ -123,15 +123,6 @@ func TestGetModelPricing_UnknownOpenAIModelReturnsError(t *testing.T) {
require.Contains(t, err.Error(), "pricing not found")
}
func TestGetModelPricing_OpenAIGPT51Fallback(t *testing.T) {
svc := newTestBillingService()
pricing, err := svc.GetModelPricing("gpt-5.1")
require.NoError(t, err)
require.NotNil(t, pricing)
require.InDelta(t, 1.25e-6, pricing.InputPricePerToken, 1e-12)
}
func TestGetModelPricing_OpenAIGPT54Fallback(t *testing.T) {
svc := newTestBillingService()
@@ -158,18 +149,6 @@ func TestGetModelPricing_OpenAIGPT54MiniFallback(t *testing.T) {
require.Zero(t, pricing.LongContextInputThreshold)
}
func TestGetModelPricing_OpenAIGPT54NanoFallback(t *testing.T) {
svc := newTestBillingService()
pricing, err := svc.GetModelPricing("gpt-5.4-nano")
require.NoError(t, err)
require.NotNil(t, pricing)
require.InDelta(t, 2e-7, pricing.InputPricePerToken, 1e-12)
require.InDelta(t, 1.25e-6, pricing.OutputPricePerToken, 1e-12)
require.InDelta(t, 2e-8, pricing.CacheReadPricePerToken, 1e-12)
require.Zero(t, pricing.LongContextInputThreshold)
}
func TestCalculateCost_OpenAIGPT54LongContextAppliesWholeSessionMultipliers(t *testing.T) {
svc := newTestBillingService()
@@ -204,13 +183,13 @@ func TestGetFallbackPricing_FamilyMatching(t *testing.T) {
{name: "claude generic model fallback sonnet", model: "claude-foo-bar", expectedInput: 3e-6},
{name: "gemini explicit fallback", model: "gemini-3-1-pro", expectedInput: 2e-6},
{name: "gemini unknown no fallback", model: "gemini-2.0-pro", expectNilPricing: true},
{name: "openai gpt5.1", model: "gpt-5.1", expectedInput: 1.25e-6},
{name: "openai gpt5.4", model: "gpt-5.4", expectedInput: 2.5e-6},
{name: "openai gpt5.4 mini", model: "gpt-5.4-mini", expectedInput: 7.5e-7},
{name: "openai gpt5.4 nano", model: "gpt-5.4-nano", expectedInput: 2e-7},
{name: "openai gpt5.3 codex", model: "gpt-5.3-codex", expectedInput: 1.5e-6},
{name: "openai gpt5.1 codex max alias", model: "gpt-5.1-codex-max", expectedInput: 1.5e-6},
{name: "openai codex mini latest alias", model: "codex-mini-latest", expectedInput: 1.5e-6},
{name: "openai gpt5.3 codex spark", model: "gpt-5.3-codex-spark", expectedInput: 1.5e-6},
{name: "openai legacy gpt5.1 falls back to gpt5.4", model: "gpt-5.1", expectedInput: 2.5e-6},
{name: "openai legacy gpt5.1 codex falls back to gpt5.3 codex", model: "gpt-5.1-codex", expectedInput: 1.5e-6},
{name: "openai legacy codex mini latest falls back to gpt5.3 codex", model: "codex-mini-latest", expectedInput: 1.5e-6},
{name: "openai unknown no fallback", model: "gpt-unknown-model", expectNilPricing: true},
{name: "non supported family", model: "qwen-max", expectNilPricing: true},
}