## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Some plugins must prepare resources before an agent can work. > - Those resources must stop or be removed when the agent pauses or terminates. > - The agent lifecycle module now owns these steps and their durable completion. > - Plugins use its required callback contract instead of a separate readiness query. > - This PR documents that contract and shows its progress and retry action on the agent page. ## Linked Issues or Issue Description Refs: #15631 **Subsystem affected** Required plugin lifecycle work and the agent detail page. **Problem or motivation** The lifecycle module exposes `onAgentLifecycle` and `agents.lifecycle.manage`, but the plugin authoring guide does not explain their use. The agent page displays legacy status. Setup therefore looks paused and offers Resume. Termination leaves the page before resource cleanup completes. **Proposed solution** Use the callback, admission guards, persisted state, and retry route supplied by the lifecycle module. Show pending phases and fixed host errors. Keep the detail page open during incomplete termination. Use lifecycle state for pause and resume controls. **Alternatives considered** A separate plugin readiness query would duplicate the module's state and admission rules. The final diff contains no readiness API, database commit hooks, or second admission check. ## What Changed - Document the manifest declaration, callback results, phase ordering, capability scope, retry behavior, and provider revision requirements. - Correct SDK comments for lifecycle, routing, and external object callbacks. - Show preparation, verification, pause, resume, termination, and cleanup progress from the existing agent fields. - Refresh pending steps every two seconds and other states every thirty seconds. Keep these reads separate from the agent record used by editable forms. Use the existing authorized retry route for failed steps. - Offer Pause during setup. Disable pause and resume while stop or cleanup is incomplete. Keep cleanup failures reachable on the detail page. Disable new work after termination starts. - Test required resource work across setup, pause, resume, and confirmed deletion. Test every worker callback phase, missing handlers, retry authorization, and UI behavior. ## Verification - Focused UI tests: 139 passed across lifecycle status, action buttons, API tests, and the configuration form. A regression preserves unsaved edits during an in-flight lifecycle refresh and a failed refresh. - Focused host and shared tests: 113 passed across lifecycle integration, retry authorization, plugin RPC, and manifest validation. The database suite used isolated local PostgreSQL 18 through a temporary loader outside the repository. - Module boundary tests: 11 passed. Module import/write checks and UI token gates passed. - Plugin SDK build, server direct TypeScript check, and UI TypeScript check passed. - `git diff --check` and an added-line secrets/private-reference scan passed. Fixtures use synthetic identities. - Full `pnpm -r typecheck` and `pnpm build` passed using the existing local Rust toolchain. - Visually checked all six progress phases with the application components and styles. Captured preparation and cleanup failure screenshots from the production UI build with synthetic API data; artifacts are kept outside git. - Full local `pnpm test:run` was attempted and stopped after a native-runner failure reproduced in isolation: `native-session-resume.test.ts` / `archives a damaged prior epoch before completing guarded same-task replacement with real runnerd` returns a failed Codex fixture result instead of success. The native-runtime and runner trees are unchanged from the base. No full local test pass is claimed. - All latest-head CI checks passed, including test shards, verification, E2E, and the canary packaging check. Greptile reviewed commit `96473e03a` at 5/5 with no unresolved comments. ## Risks - Selected required plugins remain a dependency for lifecycle completion. The lifecycle module retains their requirements when a plugin is disabled or removed. - Plugins must make repeated provider operations safe and fence older revisions. Host revision checks do not cancel external requests. - Polling adds one agent-detail read every two seconds during pending work and every thirty seconds otherwise. - No schema change, private VM provider implementation, resource backfill, or deployment is included. No live provider test was run. ## Model Used OpenAI GPT-6 through Codex, with reasoning, repository inspection, code editing, and command execution. The exact model revision and context window were not reported by the runtime. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either linked existing issues or described the issue in-PR - [x] I have not referenced internal or instance-local Paperclip issues or links - [x] My branch name describes the change and contains no internal ticket id - [x] I have run focused tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented risks - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no unresolved comments - [x] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>
@paperclipai/ui
Published static assets for the Paperclip board UI.
What gets published
The npm package contains the production build under dist/. It does not ship the UI source tree or workspace-only dependencies.
Storybook
Storybook config, stories, and fixtures live under ui/storybook/.
pnpm --filter @paperclipai/ui storybook
pnpm --filter @paperclipai/ui build-storybook
Typical use
Install the package, then serve or copy the built files from node_modules/@paperclipai/ui/dist.
Editor dependency identity
Keep the root and workspace overrides for @codemirror/state,
@codemirror/view, and @lezer/common aligned. CodeMirror requires shared
extension identity, while Lezer parsers and syntax highlighters require shared
NodeProp IDs. Multiple Lezer copies can crash code-block highlighting with
tags is not iterable. src/lib/codemirror-single-instance.test.ts checks the
installed dependency graph and highlights sample code through the editor's real
language dependencies. GitHub Actions owns regeneration of pnpm-lock.yaml.