fix: add retry-once logic to isSqliteBackend for startup race condition

src/shared/opencode-storage-detection.ts

@@ -4,19 +4,29 @@ import { getDataDir } from "./data-path"
 import { isOpenCodeVersionAtLeast, OPENCODE_SQLITE_VERSION } from "./opencode-version"
 
 const NOT_CACHED = Symbol("NOT_CACHED")
-let cachedResult: boolean | typeof NOT_CACHED = NOT_CACHED
+const FALSE_PENDING_RETRY = Symbol("FALSE_PENDING_RETRY")
+let cachedResult: true | false | typeof NOT_CACHED | typeof FALSE_PENDING_RETRY = NOT_CACHED
 
 export function isSqliteBackend(): boolean {
-  if (cachedResult !== NOT_CACHED) {
-    return cachedResult
+  if (cachedResult === true) return true
+  if (cachedResult === false) return false
+
+  const check = (): boolean => {
+    const versionOk = isOpenCodeVersionAtLeast(OPENCODE_SQLITE_VERSION)
+    const dbPath = join(getDataDir(), "opencode", "opencode.db")
+    return versionOk && existsSync(dbPath)
   }
-  
-  const versionOk = isOpenCodeVersionAtLeast(OPENCODE_SQLITE_VERSION)
-  const dbPath = join(getDataDir(), "opencode", "opencode.db")
-  const dbExists = existsSync(dbPath)
-  
-  cachedResult = versionOk && dbExists
-  return cachedResult
+
+  if (cachedResult === FALSE_PENDING_RETRY) {
+    const result = check()
+    cachedResult = result
+    return result
+  }
+
+  const result = check()
+  if (result) { cachedResult = true }
+  else { cachedResult = FALSE_PENDING_RETRY }
+  return result
 }
 
 export function resetSqliteBackendCache(): void {