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Nicky LeachandPaperclip
a371ceec60
## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work > - Agent work can run in shared, isolated, or operator-branch execution workspaces > - Isolated/operator git-worktree modes require a real git checkout as their base > - A projectless issue can otherwise resolve to the agent fallback workspace directory > - That fallback is not a valid project checkout for git worktree setup > - This pull request adds a setup-time guard before workspace realization starts > - The benefit is that misconfigured work fails with a typed remediation instead of raw git errors or accidental execution from the agent home directory ## Linked Issues or Issue Description No public GitHub issue was found for this specific failure mode. Inline description follows the bug report template: **What happened?** When a Paperclip issue has no associated project (`projectId: null`) and is configured for `isolated_workspace` or operator-branch execution with `strategy: git_worktree`, the heartbeat setup silently fell back to the `agent_home` directory as the base workspace. Because `agent_home` is not a git repository checkout, the subsequent git worktree operations either failed with raw git errors or — in the degraded path — ran in the wrong directory entirely. **Expected behavior** A projectless issue requesting `git_worktree` execution should fail immediately at setup with a typed `workspace_validation_failed` result and a human-readable remediation message explaining that a project workspace or a reusable execution workspace with a valid git base is required. **Steps to reproduce** 1. Create a Paperclip issue with `projectId: null` (no project attached). 2. Assign it to an agent configured for `isolated_workspace` execution with `strategy: git_worktree`. 3. Trigger a heartbeat run. 4. Observe: the heartbeat resolves the base workspace to `agent_home` and either emits raw git errors during worktree setup or silently executes from an incorrect directory. **Paperclip version or commit** `5cdf5103c` (current `master` HEAD at time of fix) **Deployment mode** Local dev (`pnpm dev`) / built from source — reproduces in any mode because the fallback is in core workspace resolution logic. **Agent adapter(s) involved** Not adapter-specific (core bug — affects all adapters that issue heartbeats for projectless tasks) **Database mode** Not database-related **Access context** Agent (bearer API key via `agent_api_keys`) ## What Changed - Added a heartbeat setup guard that validates isolated/operator `git_worktree` base workspaces before realization. - The guard fails projectless `agent_home` fallback cases with a typed `workspace_validation_failed` result and remediation text. - The guard also fails non-git project base directories before raw git worktree operations run. - Added regression coverage for projectless isolated mode, operator-branch mode, non-git bases, valid git bases, and shared-workspace no-op behavior. ## Verification - `pnpm exec vitest run server/src/__tests__/heartbeat-workspace-session.test.ts` - `pnpm exec vitest run server/src/__tests__/workspace-runtime.test.ts` - `pnpm --filter @paperclipai/server typecheck` - `pnpm -r typecheck` - `pnpm test:run` - `pnpm build` ## Risks - Low risk. The new guard only applies to issue-backed isolated/operator execution modes using `git_worktree`; shared workspaces and non-git-worktree strategies are left unchanged. - The intentional behavior shift is that invalid git-worktree bases now fail earlier with a structured remediation instead of reaching lower-level git setup. ## Model Used - OpenAI GPT-5 Codex, coding-agent tool-use mode with local command execution; context window size not exposed by this 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 (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 - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>