v0.28.0

What's Changed

• chore(deps): bump the dev-dependencies group with 2 updates by @dependabot[bot] in #1217
• chore(deps-dev): update setuptools requirement from >=83.0.0 to >=84.0.0 by @dependabot[bot] in #1220
• chore(deps): bump alembic from 1.19.0 to 1.19.1 in the production-dependencies group by @dependabot[bot] in #1218
• chore(deps): update uvicorn[standard] requirement from >=0.52.1 to >=0.52.3 by @dependabot[bot] in #1219
• chore: pre-commit autoupdate by @github-actions[bot] in #1216
• chore(deps): bump the dev-dependencies group with 2 updates by @dependabot[bot] in #1222
• chore: pre-commit autoupdate by @github-actions[bot] in #1221
• chore(deps): bump the production-dependencies group with 2 updates by @dependabot[bot] in #1223
• chore(deps): bump ruff from 0.16.4 to 0.16.5 in the dev-dependencies group by @dependabot[bot] in #1225
• chore(deps): bump the production-dependencies group with 4 updates by @dependabot[bot] in #1226
• chore: pre-commit autoupdate by @github-actions[bot] in #1224
• chore: pre-commit autoupdate by @github-actions[bot] in #1227
• chore(deps): bump ruff from 0.16.5 to 0.16.6 in the dev-dependencies group by @dependabot[bot] in #1228
• chore(deps): bump httpx2 from 2.9.1 to 2.12.0 by @dependabot[bot] in #1229
• refactor(ui,mcp): drop client-side api host/port in favour of base_url by @Kohei-Wada in #1231
• fix(core): run the field validator registry on task creation by @Kohei-Wada in #1232

Full Changelog: v0.27.0...v0.28.0