Code chat, dashboard, Opencode, and shared site CSS.

Added Opencode agent harness support with CLI packaging, runtime command resolution, provider-auth detection, `opencode auth login` guidance, and documentation updates.

Reworked the local app into Studio, Chat, Dashboard, and Releases displays with hash routing, a shared bottom dock, a reusable site header, and consistent connected-agent controls.

Added GitHub repository chat with cached repo loading, activity-sorted repo cards, per-repo prompt submission, screenshot paste support, prompted-repo tabs, and pagination.

Expanded dashboard and release tracking with task duration, saved-time stats, workflow and agent rollups, merged-PR release records, prompt visibility, and PR links.

Made UI startup wait for the local server before boot diagnostics, stabilized task ordering and minimize behavior, cleared reviewer selections correctly, and smoothed dock navigation.

Moved runtime-driven emoji picker placement and connected-agent refresh progress styling into global CSS variables while preserving the existing interactive behavior.

Published the May 6 release rollup without changing existing historical release entries.

Centralized typography and shared Docker command styling for Code and Dispatch pages in global CSS, with matching page-copy and image updates.

Refreshed homepage headline rotation around small-task shipping and focus on harder engineering work.