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Devin Foley
627eef7cbd
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Plugins extend the server with sandbox providers, tools, and jobs; a loader activates them at boot > - When activation fails, the loader marks the plugin `error` and skips it on every later boot > - Activation failures are often environmental — missing package dependencies, a stale build output, a module that moved under a pull — and the fix lands on disk without any write to the plugin row > - The plugin therefore stays dead forever, and every feature behind it (sandbox destroys, cleanup sweeps, probes) silently stops working until an operator flips the row by hand > - This pull request makes `loadAll` retry errored plugins once per boot: flip to `ready`, attempt activation, and re-record the error if the attempt fails > - The benefit is that a plugin recovers on the next boot after its environment is fixed, with no manual database or lifecycle intervention ## Linked Issues or Issue Description **What happened?** Several sandbox-provider plugins sat in `error` status for weeks after a transient activation failure (a module resolution error from an older checkout state). The boot loader only loads plugins in `ready` status, so it never retried them. Environments backed by those providers lost sandbox destroys, cleanup sweeps, and probes with no visible signal other than the stale `last_error`. **Expected behavior** A plugin whose activation failure has been fixed on disk recovers on the next server boot. A plugin that still fails stays in `error` with a fresh error message. **Steps to reproduce** 1. Install a plugin whose worker cannot start (for example, delete one of its dependencies), then boot the server. The plugin lands in `error` status. 2. Restore the dependency. 3. Restart the server. Before this change, the plugin stays in `error` forever. After this change, the boot retries it and the plugin activates. ## What Changed - `server/src/services/plugin-loader.ts`: `loadAll` also fetches plugins in `error` status, flips each to `ready`, and activates it with the normal batch. The flip runs before activation because the `error` status only legally transitions to `ready` or `uninstalled`; a retry that failed while still in `error` could not re-mark itself. A failed flip logs a warning and never aborts the boot load. The stale comment at the `markError` site now describes the retry. - `server/src/__tests__/plugin-loader-error-retry.test.ts`: covers the flip-then-retry flow, the failed-flip isolation, and the empty case. ## Verification - `npx vitest run server/src/__tests__/plugin-loader-error-retry.test.ts server/src/__tests__/bundled-plugins.test.ts server/src/__tests__/plugin-lifecycle-restart.test.ts server/src/__tests__/cloud-image-bundled-plugins.test.ts` - Manual: mark an installed plugin's status to `error`, restart the server, and observe the loader log line `retrying plugins that failed activation on a previous boot` followed by a successful activation (or a fresh `last_error` if the plugin is genuinely broken). ## Risks - A genuinely broken plugin now costs one bounded activation attempt per boot (the attempts run in parallel with the ready batch under `Promise.allSettled`). It cannot crash-loop within a running process, and it returns to `error` with a fresh message. - The flip clears `last_error` before the attempt. If the process dies between the flip and the activation, the row is `ready` with no error text; the next boot simply loads it as a ready plugin. - Operators who relied on `error` as a manual "keep this off" latch should use the `disabled` status, which this change does not touch. ## Model Used - Claude (Anthropic) — Fable 5, model id `claude-fable-5`, extended thinking, agentic tool use via Claude Code CLI. ## 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 (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [ ] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [ ] All Paperclip CI gates are green - [ ] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge