fixes

packages/opencode/src/provider/transform.ts

@@ -74,52 +74,12 @@ export namespace ProviderTransform {
       return result
     }
 
-    // TODO: is this actually correct??? Or should it just match the other reasoning_content handling
-    // DeepSeek: Handle reasoning_content for tool call continuations
-    // - With tool calls: Include reasoning_content in providerOptions so model can continue reasoning
-    // - Without tool calls: Strip reasoning (new turn doesn't need previous reasoning)
-    // See: https://api-docs.deepseek.com/guides/thinking_mode
-    if (model.providerID === "deepseek" || model.api.id.toLowerCase().includes("deepseek")) {
-      return msgs.map((msg) => {
-        if (msg.role === "assistant" && Array.isArray(msg.content)) {
-          const reasoningParts = msg.content.filter((part: any) => part.type === "reasoning")
-          const hasToolCalls = msg.content.some((part: any) => part.type === "tool-call")
-          const reasoningText = reasoningParts.map((part: any) => part.text).join("")
-
-          // Filter out reasoning parts from content
-          const filteredContent = msg.content.filter((part: any) => part.type !== "reasoning")
-
-          // If this message has tool calls and reasoning, include reasoning_content
-          // so DeepSeek can continue reasoning after tool execution
-          if (hasToolCalls && reasoningText) {
-            return {
-              ...msg,
-              content: filteredContent,
-              providerOptions: {
-                ...msg.providerOptions,
-                openaiCompatible: {
-                  ...(msg.providerOptions as any)?.openaiCompatible,
-                  reasoning_content: reasoningText,
-                },
-              },
-            }
-          }
-
-          // For final answers (no tool calls), just strip reasoning
-          return {
-            ...msg,
-            content: filteredContent,
-          }
-        }
-
-        return msg
-      })
-    }
-
     if (
-      model.capabilities.interleaved &&
-      typeof model.capabilities.interleaved === "object" &&
-      model.capabilities.interleaved.field === "reasoning_content"
+      model.providerID === "deepseek" ||
+      model.api.id.toLowerCase().includes("deepseek") ||
+      (model.capabilities.interleaved &&
+        typeof model.capabilities.interleaved === "object" &&
+        model.capabilities.interleaved.field === "reasoning_content")
     ) {
       return msgs.map((msg) => {
         if (msg.role === "assistant" && Array.isArray(msg.content)) {