current state

buffer.go

@@ -0,0 +1,34 @@
+package sidekick
+
+import (
+  "fmt"
+  "os"
+)
+
+// BufferGate checks if a result is too large. If it is, it writes it to a temp file
+// and returns a pointer message instead. The path is added to tempFiles for later cleanup.
+func BufferGate(result string, tempFiles *[]string, threshold int) (string, error) {
+  if len(result) <= threshold {
+    return result, nil
+  }
+
+  tmpFile, err := os.CreateTemp("", "sidekick-buf-*.txt")
+  if err != nil {
+    return "", fmt.Errorf("failed to create temp file for buffering: %w", err)
+  }
+
+  _, err = tmpFile.WriteString(result)
+  if err != nil {
+    tmpFile.Close()
+    return "", fmt.Errorf("failed to write to temp file: %w", err)
+  }
+  tmpFile.Close()
+
+  *tempFiles = append(*tempFiles, tmpFile.Name())
+
+  msg := fmt.Sprintf(
+    "Tool result is available in file '%s'. File size: %d bytes. Use read_file or grep_file to access it.",
+    tmpFile.Name(), len(result),
+  )
+  return msg, nil
+}