v2.2.0-beta.4

What's Changed

• fix(context): bound oversized single-line tool results by @niceIrene in #7331
• test(agent-stats): align TC-AGT-06 with current agent scope by @zhaozhuang521 in #7021
• fix(desktop): unify packaged Python runtime source by @jinglinpeng in #7372
• fix(yuanbao): restore protobuf decoding on protobuf 6+ by @hongxicheng in #7421
• ci: skip test runs on draft PRs until marked ready by @yutai78786 in #7422
• fix(plugins): avoid full module sweep after each load by @jinglinpeng in #7383
• chore: bump the version to 2.2.0b4 by @cuiyuebing in #7423

Full Changelog: v2.2.0-beta.3...v2.2.0-beta.4