fix(opencode): expand retryable error patterns

packages/opencode/src/session/retry.ts

@@ -28,6 +28,13 @@ export const RETRY_BACKOFF_FACTOR = 2
 export const RETRY_MAX_DELAY_NO_HEADERS = 30_000 // 30 seconds
 export const RETRY_MAX_DELAY = 2_147_483_647 // max 32-bit signed integer for setTimeout
 
+const RETRYABLE_MESSAGE = [
+  /\b(?:server[_\s-]?error|internal[_\s-]?error|service[_\s-]?unavailable|overloaded|too many requests|rate increased too quickly|provider[_\s-]?returned[_\s-]?error)\b|\brate[_\s-]?limit/i,
+  /\b(?:fetch failed|network error|upstream connect|connection (?:error|refused|lost)|socket connection was closed|socket hang up|reset before headers|getaddrinfo|enotfound|eai_again)\b|^timeout$|\b(?:request|response|connection|network|stream|read) (?:timeout|timed? out)\b/i,
+  /\b(?:resource[_\s-]?exhausted|please retry your request|you can retry your request|try your request again)\b/i,
+  /\b(?:429|500|502|503|504|524)\b/,
+]
+
 function cap(ms: number) {
   return Math.min(ms, RETRY_MAX_DELAY)
 }
@@ -122,32 +129,12 @@ export function retryable(error: Err, provider: string) {
     return { message: error.data.message.includes("Overloaded") ? "Provider is overloaded" : error.data.message }
   }
 
-  // Check for rate limit patterns in plain text error messages
-  const msg = isRecord(error.data) ? error.data.message : undefined
-  if (typeof msg === "string") {
-    const lower = msg.toLowerCase()
-    if (
-      lower.includes("rate increased too quickly") ||
-      lower.includes("rate limit") ||
-      lower.includes("too many requests")
-    ) {
-      return { message: msg }
-    }
-  }
-
-  const json = parseJSON(msg)
-  if (!json || typeof json !== "object") return undefined
-  const code = typeof json.code === "string" ? json.code : ""
-
-  if (json.type === "error" && json.error?.type === "too_many_requests") {
-    return { message: "Too Many Requests" }
-  }
-  if (code.includes("exhausted") || code.includes("unavailable")) {
-    return { message: "Provider is overloaded" }
-  }
-  if (json.type === "error" && typeof json.error?.code === "string" && json.error.code.includes("rate_limit")) {
-    return { message: "Rate Limited" }
-  }
+  const message = isRecord(error.data) ? error.data.message : undefined
+  if (typeof message !== "string") return undefined
+  const lower = message.toLowerCase()
+  if (lower.includes("too_many_requests")) return { message: "Too Many Requests" }
+  if (lower.includes("exhausted") || lower.includes("unavailable")) return { message: "Provider is overloaded" }
+  if (RETRYABLE_MESSAGE.some((pattern) => pattern.test(message))) return { message }
   return undefined
 }
 

packages/opencode/test/session/retry.test.ts

@@ -118,16 +118,21 @@ describe("session.retry.delay", () => {
 })
 
 describe("session.retry.retryable", () => {
-  test("maps too_many_requests json messages", () => {
+  test("retries serialized too_many_requests messages", () => {
     const error = wrap(JSON.stringify({ type: "error", error: { type: "too_many_requests" } }))
     expect(SessionRetry.retryable(error, retryProvider)).toEqual({ message: "Too Many Requests" })
   })
 
-  test("maps overloaded provider codes", () => {
+  test("retries serialized overloaded provider codes", () => {
     const error = wrap(JSON.stringify({ code: "resource_exhausted" }))
     expect(SessionRetry.retryable(error, retryProvider)).toEqual({ message: "Provider is overloaded" })
   })
 
+  test("retries serialized rate_limit messages", () => {
+    const message = JSON.stringify({ type: "error", error: { code: "rate_limit_exceeded" } })
+    expect(SessionRetry.retryable(wrap(message), retryProvider)).toEqual({ message })
+  })
+
   test("does not retry unknown json messages", () => {
     const error = wrap(JSON.stringify({ error: { message: "no_kv_space" } }))
     expect(SessionRetry.retryable(error, retryProvider)).toBeUndefined()
@@ -163,6 +168,19 @@ describe("session.retry.retryable", () => {
     expect(SessionRetry.retryable(error, retryProvider)).toEqual({ message: msg })
   })
 
+  test.each([
+    "Internal server error",
+    "Provider returned error",
+    "fetch failed",
+    "connection refused",
+    "EAI_AGAIN",
+    "response timed out",
+    "Please retry your request",
+    "upstream returned status 524",
+  ])("retries matching API error text: %s", (message) => {
+    expect(SessionRetry.retryable(wrap(message), retryProvider)).toEqual({ message })
+  })
+
   test("retries transport timeout errors", () => {
     const request = MessageV2.fromError(new ProviderError.HeaderTimeoutError(10000), { providerID })
     expect(SessionV1.APIError.isInstance(request)).toBe(true)