v2026.9.3.0

What's Changed

• feat(image_proxy_service): migrate image proxy service to gateway by @whutchinson98 in #6145
• fix(local): derive DCS FusionAuth OAuth redirect from instance port by @whutchinson98 in #6153
• feat(new-layout): add new thin, big icon sidebar behind layout feature flag by @sedson in #6149
• fix(channel/agent): extract magic chip message + id on all reply paths by @sedson in #6157
• feat(agent_harness_service): migrate agent harness service to gateway by @whutchinson98 in #6155
• fix(web): gate the inbox notified_at sort behind a PostHog flag by @gbirman in #6158
• feat(new-layout): new channels view by @dev-rb in #6146
• feat(web): better feature flag definition and use interface by @dev-rb in #6102
• refactor(web): use new feature flag interface by @dev-rb in #6104
• fix(fusionauth): carry granted scopes onto login-issued Google refresh tokens by @gbirman in #6159
• perf(soup): linearize the notified-at candidate query by @gbirman in #6162
• feat(calendar): overlay teammates out-of-office on the calendar by @gbirman in #6156
• fix(inbox): show relative time for activity under a minute old by @gbirman in #6164
• fix(calendar): dedupe occurrences and reap wedged Google backfills by @gbirman in #6163
• feat(connection_gateway): migrate connection gateway to gateway by @whutchinson98 in #6165
• feat(activity): attribute AI tool creates and edits to the tool actor (Macro AI) by @synoet in #6050
• feat(agent_schedule_service): migrate agent schedule service to gateway by @whutchinson98 in #6171
• fix(md): fix skeleton + error bug, improve error styling by @sedson in #6169
• feat(new-layout): new tasks view by @dev-rb in #6175
• fix(channels): delete channel endpoint broken by @whutchinson98 in #6180
• fix(activity): attribute signup defaults and support channel to system by @synoet in #6049
• feat(calendar): fold the calendar side list into per-account groups by @gbirman in #6179
• feat(calendar): show one per-account toggle in the compact calendar pickers by @gbirman in #6184
• chg(theme/ui): remove --lift token use layer context + offset prop by @sedson in #6178
• feat(md): trailing/trapped paragraph plugin by @sedson in #6186
• feat(calendar_events): create out-of-office events via event type by @gbirman in #6183
• feat: custom Macro MCP via ACP --> inferred tools by @404Wolf in #6154
• fix(inbox): restore soup rows to done-filtered feeds on incoming notifications by @gbirman in #6185
• fix(calendar): distinguish failed team OOO fetch from empty result by @gbirman in #6182
• fix(channel): start typing from composer text changes by @synoet in #6187
• fix(calendar): merge consecutive working-location events into one bar by @gbirman in #6192
• chore(agents): model ui grouping by @404Wolf in #6177
• fix(agent): render dollar-delimited math correctly by @404Wolf in #5988

Full Changelog: v2026.9.2.0...v2026.9.3.0