CoWorker 0.4.5

What's Changed

• docs(release): finalize v0.4.4 changelog by @Zoupers in #223
• feat(telegram): configurable attachment limits with streaming downloads by @Zoupers in #224
• feat(weixin): deliver inbound media as attachments with configurable size limit by @Zoupers in #225
• feat(brain): support deepseek-flash model by @Zoupers in #226
• feat(channels): show inbound processing placeholders in one-to-one chats by @Zoupers in #227
• chore(release): prepare v0.4.5 by @Zoupers in #228

Full Changelog: v0.4.4...v0.4.5