Ladda ner MicroClaw 0.27.1

Fixes found by testing MicroClaw Code 0.27.0 in Zed and in the terminal
with Anthropic's claude-opus-5, including image prompts.
Fixed
- Anthropic usage left out prompt-cache tokens (all products).
Anthropic's input_tokens excludes cache reads and writes, so with
prompt caching a request counted only a few input tokens. Token counts
and costs were too low, /context and the context meter showed 0%, and
mid-turn context-pressure compaction measured the wrong number. Cache
reads and writes now count as input, streamed and not, as they already
did for OpenAI-compatible providers. A final message_delta that carries
only output_tokens no longer drops the input count.
- MicroClaw Code's model pickers (Zed's model selector and the TUI
/model list) offered preset family names such as claude-sonnet,
claude-opus and claude-1m. These are not model names, and choosing
one failed with not_found_error. The pickers now offer only presets
that are real model names (ModelPreset::model_name).
- In Zed, a shell command that needed approval kept the title
"Allow bash?" after the answer. The permission request now keeps the
call's own title, the command; only an approval with no visible call is
titled "Allow ?".
- A failed run in mccode acp, such as an unknown model or a provider
error, was reported as a thought or an info notice, so the turn looked
empty. It is now part of the reply ("Error: …").
- Tool titles in mccode acp are Markdown code spans, so a path like
calc/__init__.py no longer renders as bold "init".