From 32e9c2934dfcc44cbed5b4fe806a614eca3630ac Mon Sep 17 00:00:00 2001
From: "kiloconnect[bot]" <240665456+kiloconnect[bot]@users.noreply.github.com>
Date: Tue, 14 Apr 2026 09:45:21 +0000
Subject: [PATCH] fix(cli): remove fixDuplicateReasoning workaround now that
 @openrouter/ai-sdk-provider is updated

---
 packages/opencode/src/provider/transform.ts | 46 ---------------------
 1 file changed, 46 deletions(-)

diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 551df1e507..a9f1560b3a 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -282,56 +282,10 @@ export namespace ProviderTransform {
     })
   }
 
-  // kilocode_change - function added
-  function fixDuplicateReasoning(msgs: ModelMessage[], model: Provider.Model) {
-    for (const msg of msgs) {
-      if (!Array.isArray(msg.content)) {
-        continue
-      }
-      const encryptedDataSet = new Set<string>()
-      const textSet = new Set<string>()
-      for (const part of msg.content) {
-        if (!("providerOptions" in part)) continue // kilocode_change - ToolApprovalRequest lacks providerOptions
-        const openrouterProviderOptions = part.providerOptions?.openrouter as
-          | {
-              reasoning_details?: { data?: string; text?: string; signature?: string }[]
-            }
-          | undefined
-        if (!openrouterProviderOptions || !openrouterProviderOptions.reasoning_details) {
-          continue
-        }
-        openrouterProviderOptions.reasoning_details = openrouterProviderOptions.reasoning_details.filter((rd) => {
-          if (rd.data) {
-            if (!encryptedDataSet.has(rd.data)) {
-              encryptedDataSet.add(rd.data)
-              return true
-            }
-            return false
-          }
-          if (rd.text) {
-            if ((model.family === "claude" || model.id.includes("claude")) && !rd.signature) return false
-            if (!textSet.has(rd.text)) {
-              textSet.add(rd.text)
-              return true
-            }
-            return false
-          }
-          return true
-        })
-      }
-    }
-  }
-
   export function message(msgs: ModelMessage[], model: Provider.Model, options: Record<string, unknown>) {
     msgs = unsupportedParts(msgs, model)
     msgs = normalizeMessages(msgs, model, options)
 
-    // kilocode_change - workaround for @openrouter/ai-sdk-provider v1 duplicating reasoning
-    // fixed in https://github.com/OpenRouterTeam/ai-sdk-provider/pull/344/
-    if (model.api.npm === "@openrouter/ai-sdk-provider") {
-      fixDuplicateReasoning(msgs, model)
-    }
-
     if (
       (model.providerID === "anthropic" ||
         model.providerID === "google-vertex-anthropic" ||