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fix(opencode): set 1h prompt cache TTL for OpenRouter #16850

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fix(opencode): set 1h prompt cache TTL for OpenRouter #16850

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2 changes: 1 addition & 1 deletion packages/opencode/src/provider/transform.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,7 @@ export namespace ProviderTransform {
cacheControl: { type: "ephemeral" },
},
openrouter: {
cacheControl: { type: "ephemeral" },
cacheControl: { type: "ephemeral", ttl: "1h" },
},
bedrock: {
cachePoint: { type: "default" },
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15 changes: 15 additions & 0 deletions packages/opencode/test/provider/transform.test.ts
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Expand Up @@ -101,6 +101,20 @@ describe("ProviderTransform.options - setCacheKey", () => {
})
expect(result.store).toBe(false)
})

test("should set prompt_cache_key for openrouter provider", () => {
const model = {
...mockModel,
providerID: "openrouter",
api: {
id: "anthropic/claude-sonnet-4-5",
url: "https://openrouter.ai/api/v1",
npm: "@openrouter/ai-sdk-provider",
},
}
const result = ProviderTransform.options({ model, sessionID, providerOptions: {} })
expect(result.prompt_cache_key).toBe(sessionID)
})
})

describe("ProviderTransform.options - gpt-5 textVerbosity", () => {
Expand Down Expand Up @@ -1608,6 +1622,7 @@ describe("ProviderTransform.message - cache control on gateway", () => {
openrouter: {
cacheControl: {
type: "ephemeral",
ttl: "1h",
},
},
bedrock: {
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