Method commandContext

src/core/queryEngine.ts:767–791

* Build the CommandContext handed to extracted slash-command handlers. * Arrow functions capture `this` so handlers read live engine state at call * time; cwd/sessionId/defaultModel are effectively immutable for the session.

()

              (this.totalUsage.cache_creation_input_tokens ?? 0) + (value.usage.cache_creation_input_tokens ?? 0),
            cache_read_input_tokens:
              (this.totalUsage.cache_read_input_tokens ?? 0) + (value.usage.cache_read_input_tokens ?? 0),
          };
          this.lastCallUsage = { ...value.lastCallUsage };
          this.usageAnchorIndex = this.messages.length > 0 ? this.messages.length - 1 : -1;
          yield { type: "messages_updated", messages: [...this.messages] };
          yield {
            type: "usage_updated",
            totalUsage: { ...this.totalUsage },
            turnUsage: { ...value.usage },
            lastCallUsage: { ...this.lastCallUsage },
          };
          return { handled: true, reason: value.reason };
        }

        yield value;

        switch (value.type) {
          case "assistant_message":
          case "tool_result_message":
            this.messages = [...this.messages, value.message];
            yield { type: "messages_updated", messages: [...this.messages] };
            break;
          default:
            break;
        }
      }
    } finally {
      this.abortController = null;