v0.4.0

What's Changed

• 🔖 chore(release): start 0.2.2-dev by @chaizhenhua in #122
• ✨ feat(threads): add filtered queries and safe hierarchy management by @chaizhenhua in #123
• fix(background): support self-cancel cascade across runs by @chaizhenhua in #127
• 🐛 fix(docs): avoid rustdoc output collision for awaken-agent by @chaizhenhua in #128
• fix(stores): quarantine poison WAL and simplify flusher context by @chaizhenhua in #129
• fix(background): make task persistence failures observable by @chaizhenhua in #130
• 📐 feat(runtime): LLM error taxonomy split + Retry-After honored (1/3) by @chaizhenhua in #132
• ✨ feat(runtime): mid-stream R1-R4 recovery + parallel tool hint (2/3) by @chaizhenhua in #135
• ✨ feat(runtime): cross-process resume + failure-mode coverage + dedup (3/3) by @chaizhenhua in #136
• feat(contract): redacted secrets and adapter_options in ProviderSpec by @chaizhenhua in #138
• feat(runtime): non-blocking background context compaction by @chaizhenhua in #137
• feat(server): opt out of admin CRUD HTTP routes via AdminApiConfig by @chaizhenhua in #140
• chore(stores): bump async-nats to 0.47 to drop vulnerable rustls-webpki 0.102 by @chaizhenhua in #141
• feat(server): executor cache + change-listener debounce in ConfigRuntimeManager by @chaizhenhua in #142
• 🛠 build(deps): bundle 13 dependabot updates (rust + npm) by @chaizhenhua in #145
• docs(stores): rotating_api_key example for ConfigStore credential rotation by @chaizhenhua in #144
• fix(server): type-tighten admin and A2A bearer tokens to RedactedString by @chaizhenhua in #146
• chore(deps): patch rustls-webpki to 0.103.13 and openssl to 0.10.78 by @chaizhenhua in #143
• feat(runtime): wire per-run BackgroundTaskManager + summarizer for context auto-compaction by @chaizhenhua in #148
• 📝 docs(release): prepare 0.4.0 by @chaizhenhua in #149
• 🚀 ci(release): publish awaken facade before awaken-agent by @chaizhenhua in #150

Full Changelog: v0.2.1...v0.4.0