release 0.1.0-beta.2

Bump src/version.ts and package.json together; release.ts refuses to build if
they disagree, or if the git tag disagrees with either.

Also updates the version shown in the README and MCP sample headers, and the
example in development.md so it points at the next release rather than this one.

docs/mcp.md

@@ -54,7 +54,7 @@ one tool for the session.
 A server that fails to start is reported and the session continues:
 
 ```
-shiro-neko 0.1.0-beta.1  openai/gpt-5  session 0193ab2c
+shiro-neko 0.1.0-beta.2  openai/gpt-5  session 0193ab2c
 mcp: 4 tools
 mcp db failed: spawn python ENOENT
 ```