fix(core): prevent agent loop from stopping after tool calls with OpenAI-compatible providers (#14973)

Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Co-authored-by: Aiden Cline <aidenpcline@gmail.com>

packages/opencode/src/session/prompt.ts

@@ -1362,9 +1362,18 @@ NOTE: At any point in time through this workflow you should feel free to ask the
             }
 
             if (!lastUser) throw new Error("No user message found in stream. This should never happen.")
+
+            const lastAssistantMsg = msgs.findLast(
+              (msg) => msg.info.role === "assistant" && msg.info.id === lastAssistant?.id,
+            )
+            // Some providers return "stop" even when the assistant message contains tool calls.
+            // Keep the loop running so tool results can be sent back to the model.
+            const hasToolCalls = lastAssistantMsg?.parts.some((part) => part.type === "tool") ?? false
+
             if (
               lastAssistant?.finish &&
               !["tool-calls"].includes(lastAssistant.finish) &&
+              !hasToolCalls &&
               lastUser.id < lastAssistant.id
             ) {
               log.info("exiting loop", { sessionID })