revert this

Author: daniel-lxs

src/api/providers/claude-code.ts

@@ -108,16 +108,6 @@ export class ClaudeCodeHandler extends BaseProvider implements ApiHandler {
 					}
 				}
 
-				// Yield incremental usage for this message only
-				yield {
-					type: "usage" as const,
-					inputTokens: message.usage.input_tokens,
-					outputTokens: message.usage.output_tokens,
-					cacheReadTokens: message.usage.cache_read_input_tokens || 0,
-					cacheWriteTokens: message.usage.cache_creation_input_tokens || 0,
-				}
-
-				// Continue accumulating for the final result
 				usage.inputTokens += message.usage.input_tokens
 				usage.outputTokens += message.usage.output_tokens
 				usage.cacheReadTokens = (usage.cacheReadTokens || 0) + (message.usage.cache_read_input_tokens || 0)