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[FEATURE]: Add plugin session webview bridge with safe file write and global asset routing #15747
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Description
- I have verified this feature I am about to request has not been suggested before.
Plugin authors need a first-class way to render session webviews and communicate with OpenCode securely.
Today, interactive plugin UI and safe write-back flows require ad-hoc workarounds.
Proposed scope:
- Allow plugin session UI contributions (
ui.session.tabsandui.session.buttons) - Introduce a minimal webview bridge protocol:
- host handshake:
opencode.bridge.host - webview request:
opencode.bridge.request - host response:
opencode.bridge.response
- host handshake:
- Add base bridge actions:
file.readfile.writewith optimistic concurrency (expectedHash)
- Serve plugin webview assets from a stable route:
/global/plugin/<plugin-id>/<asset-path>
- Handle CORS preflight for global plugin paths used by webview integrations
Why this helps:
- Enables richer plugin UX directly in session workflows
- Makes plugin-to-host communication explicit and secure
- Supports safer plugin-driven file updates and reduces stale-write conflicts
- Improves reliability of plugin webview loading across environments
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github-actions commentedon Mar 2, 2026
This issue might be a duplicate of or significantly overlap with existing issues. Please check:
alotth commentedon Mar 2, 2026
Thanks for the duplicate check.
I believe this issue is related to #6330 but not a duplicate.
#6330 proposes a broader, generic cross-client UI intent channel.
This issue proposes a concrete, narrower implementation path focused on plugin session webviews:
ui.session.tabs/ui.session.buttonsfile.read,file.writewithexpectedHash)So this can be treated as an incremental delivery step that may complement #6330.
alotth commentedon Mar 5, 2026
Im motivate to do this, because I'm working now in orchestration of the agents by visualizing the kanban tasks and roadmaps, integrating on opencode by this plugin https://github.com/alotth/mapctx/tree/main/packages/opencode-plugin with the patterns that this PR adds.
github-actions commentedon Jul 3, 2026
To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.