## Thinking Path
> - Paperclip orchestrates AI agents for zero-human companies
> - The issue thread is the operator's durable audit trail for what
changed and why
> - Workspace changes and stale disposition notices need to be visible
in that same timeline without noisy or misleading rendering
> - The local branch already contained backend activity details,
timeline conversion, and UI rendering work for those events
> - This pull request isolates the issue-thread activity work into a
standalone branch against `origin/master`
> - The benefit is a focused audit-trail PR that can merge independently
of the sidebar/operator UI polish branch
## What Changed
- Adds readable workspace-change activity details to issue update
activity events.
- Surfaces workspace-change events in issue chat/timeline rendering.
- Makes the existing issue comment migration idempotent.
- Folds and renders stale disposition notices inline so they match
activity-log styling and spacing.
- Adds focused route, timeline, and issue-thread system notice coverage.
## Verification
- `pnpm install --frozen-lockfile`
- `pnpm exec vitest run
server/src/__tests__/issue-activity-events-routes.test.ts
ui/src/lib/issue-timeline-events.test.ts
ui/src/components/IssueChatThreadSystemNotice.test.tsx` — 3 files
passed, 22 tests passed.
- Confirmed the PR changes 9 files and does not include `pnpm-lock.yaml`
or `.github/workflows/*`.
- `pnpm exec vitest run
server/src/__tests__/issue-closed-workspace-routes.test.ts` — 1 file
passed, 4 tests passed.
- `pnpm exec vitest run
server/src/__tests__/issue-activity-events-routes.test.ts
ui/src/lib/issue-timeline-events.test.ts
ui/src/components/IssueChatThreadSystemNotice.test.tsx
server/src/services/recovery/successful-run-handoff.test.ts
packages/shared/src/validators/issue.test.ts` — 5 files passed, 54 tests
passed.
- `pnpm --filter @paperclipai/shared typecheck && pnpm --filter
@paperclipai/server typecheck && pnpm --filter @paperclipai/ui
typecheck`.
- `pnpm --filter @paperclipai/ui typecheck` after adding the Storybook
screenshot fixture.
- Captured Storybook screenshots for the new UI rendering paths:
- Collapsed stale notice + workspace-change row:
`docs/pr-screenshots/pr-5356/issue-thread-notices-collapsed.png`
- Expanded stale notice details:
`docs/pr-screenshots/pr-5356/issue-thread-notices-expanded.png`
### Screenshots
Collapsed stale notice with workspace-change row:

Expanded stale notice details:

## Risks
- Moderate risk: this touches issue activity serialization and
issue-thread rendering, both of which are central operator surfaces.
- Migration risk is low: the only migration change makes an existing
migration idempotent.
- No new migrations are introduced, so there is no cross-PR migration
ordering requirement.
> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.
## Model Used
- OpenAI Codex, GPT-5 coding agent, shell/tool-use enabled, used to
split the existing branch, verify the isolated PR branch, and create
this PR.
## 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 run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
---------
Co-authored-by: Paperclip <noreply@paperclip.ing>
## Thinking Path
> - Paperclip orchestrates AI agents for zero-human companies.
> - The environment/runtime layer decides where agent work executes and
how the control plane reaches those runtimes.
> - Today Paperclip can run locally and over SSH, but sandboxed
execution needs a first-class environment model instead of one-off
adapter behavior.
> - We also want sandbox providers to be pluggable so the core does not
hardcode every provider implementation.
> - This branch adds the Sandbox environment path, the provider
contract, and a deterministic fake provider plugin.
> - That required synchronized changes across shared contracts, plugin
SDK surfaces, server runtime orchestration, and the UI
environment/workspace flows.
> - The result is that sandbox execution becomes a core control-plane
capability while keeping provider implementations extensible and
testable.
## What Changed
- Added sandbox runtime support to the environment execution path,
including runtime URL discovery, sandbox execution targeting,
orchestration, and heartbeat integration.
- Added plugin-provider support for sandbox environments so providers
can be supplied via plugins instead of hardcoded server logic.
- Added the fake sandbox provider plugin with deterministic behavior
suitable for local and automated testing.
- Updated shared types, validators, plugin protocol definitions, and SDK
helpers to carry sandbox provider and workspace-runtime contracts across
package boundaries.
- Updated server routes and services so companies can create sandbox
environments, select them for work, and execute work through the sandbox
runtime path.
- Updated the UI environment and workspace surfaces to expose sandbox
environment configuration and selection.
- Added test coverage for sandbox runtime behavior, provider seams,
environment route guards, orchestration, and the fake provider plugin.
## Verification
- Ran locally before the final fixture-only scrub:
- `pnpm -r typecheck`
- `pnpm test:run`
- `pnpm build`
- Ran locally after the final scrub amend:
- `pnpm vitest run server/src/__tests__/runtime-api.test.ts`
- Reviewer spot checks:
- create a sandbox environment backed by the fake provider plugin
- run work through that environment
- confirm sandbox provider execution does not inherit host secrets
implicitly
## Risks
- This touches shared contracts, plugin SDK plumbing, server runtime
orchestration, and UI environment/workspace flows, so regressions would
likely show up as cross-layer mismatches rather than isolated type
errors.
- Runtime URL discovery and sandbox callback selection are sensitive to
host/bind configuration; if that logic is wrong, sandbox-backed
callbacks may fail even when execution succeeds.
- The fake provider plugin is intentionally deterministic and
test-oriented; future providers may expose capability gaps that this
branch does not yet cover.
## Model Used
- OpenAI Codex coding agent on a GPT-5-class backend in the
Paperclip/Codex harness. Exact backend model ID is not exposed
in-session. Tool-assisted workflow with shell execution, file editing,
git history inspection, and local test execution.
## 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 run tests locally and they pass
- [x] I have added or updated tests where applicable
- [ ] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
## Thinking Path
> - Paperclip orchestrates AI agents for zero-human companies
> - Human operators supervise that work through issue lists, issue
detail, comments, inbox groups, markdown references, and
profile/activity surfaces
> - The branch had many small UI fixes that improve the operator loop
but do not need to ship with backend runtime migrations
> - These changes belong together as board workflow polish because they
affect scanning, navigation, issue context, comment state, and markdown
clarity
> - This pull request groups the UI-only slice so it can merge
independently from runtime/backend changes
> - The benefit is a clearer board experience with better issue context,
steadier optimistic updates, and more predictable keyboard navigation
## What Changed
- Improves issue properties, sub-issue actions, blocker chips, and issue
list/detail refresh behavior.
- Adds blocker context above the issue composer and stabilizes
queued/interrupted comment UI state.
- Improves markdown issue/GitHub link rendering and opens external
markdown links in a new tab.
- Adds inbox group keyboard navigation and fold/unfold support.
- Polishes activity/avatar/profile/settings/workspace presentation
details.
## Verification
- `pnpm exec vitest run ui/src/components/IssueProperties.test.tsx
ui/src/components/IssueChatThread.test.tsx
ui/src/components/MarkdownBody.test.tsx ui/src/lib/inbox.test.ts
ui/src/lib/optimistic-issue-comments.test.ts`
## Risks
- Low to medium risk: changes are UI-focused but cover high-traffic
issue and inbox surfaces.
- This branch intentionally does not include the backend runtime changes
from the companion PR; where UI calls newer API filters, unsupported
servers should continue to fail visibly through existing API error
handling.
- Visual screenshots were not captured in this heartbeat; targeted
component/helper tests cover the changed behavior.
> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.
## Model Used
- OpenAI Codex, GPT-5-based coding agent runtime, shell/git tool use
enabled. Exact hosted model build and context window are not exposed in
this Paperclip heartbeat environment.
## 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 run tests locally and they pass
- [x] I have added or updated tests where applicable
- [ ] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
## Thinking Path
> - Paperclip orchestrates AI agents for zero-human companies
> - A core part of that is the operator experience around reading issue
state, agent chat, and sub-task structure
> - The current branch had a long run of issue-detail and issue-list UX
fixes that all improve how humans follow and steer active work
> - Those changes mostly live in the UI/chat surface and should be
reviewed together instead of mixed with workspace/runtime work
> - This pull request packages the issue-detail, chat, markdown, and
sub-issue list improvements into one standalone change
> - The benefit is a cleaner, less jumpy, more reliable issue workflow
on desktop and mobile without coupling it to unrelated server/runtime
refactors
## What Changed
- Stabilized issue chat runtime wiring, optimistic comment handling,
queued-comment cancellation, and composer anchoring during live updates
- Fixed several issue-detail rendering and navigation regressions
including placeholder bleed, local polling scope, mobile inbox-to-issue
transitions, and visible refresh resets
- Improved markdown and rich-content handling with advisory image
normalization, editor fallback behavior, touch mention recovery, and
`issue:` quicklook links
- Refined sub-issue behavior with parent-derived defaults, current-user
inheritance fixes, empty-state cleanup, and a reusable issue-list
presentation for sub-issues
- Added targeted UI tests for the new issue-detail, chat scroll/message,
placeholder-data, markdown, and issue-list behaviors
## Verification
- `pnpm vitest run ui/src/components/IssueChatThread.test.tsx
ui/src/components/MarkdownEditor.test.tsx
ui/src/components/IssuesList.test.tsx
ui/src/context/LiveUpdatesProvider.test.tsx
ui/src/lib/issue-chat-messages.test.ts
ui/src/lib/issue-chat-scroll.test.ts
ui/src/lib/issue-detail-subissues.test.ts
ui/src/lib/query-placeholder-data.test.tsx
ui/src/hooks/usePaperclipIssueRuntime.test.tsx`
## Risks
- Medium: this branch touches the highest-traffic issue-detail UI paths,
so regressions would show up as chat/thread or sub-issue UX glitches
- The changes are UI-heavy and would benefit from reviewer screenshots
or a quick manual browser pass before merge
## Model Used
- OpenAI Codex coding agent (GPT-5-class runtime in Codex CLI; exact
deployed model ID is not exposed in this environment), reasoning
enabled, tool use and local code execution enabled
## 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 run tests locally and they pass
- [x] I have added or updated tests where applicable
- [ ] If this change affects the UI, I have included before/after
screenshots
- [ ] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
---------
Co-authored-by: Paperclip <noreply@paperclip.ing>
## Thinking Path
> - Paperclip orchestrates AI agents for zero-human companies
> - The issue detail page displays comment threads with rich timeline
rendering
> - Long threads (100+ items) cause severe typing lag in the comment
composer because every keystroke re-renders the entire timeline
> - CDP tracing confirmed 110ms avg key→paint latency and 60 long tasks
blocking the main thread for 3.7s total
> - This pull request memoizes the timeline, stabilizes callback props,
debounces editor observers, and reduces idle polling frequency
> - The benefit is responsive typing (21ms avg, 5.3× faster) even on
threads with 100+ timeline items
## What Changed
- **CommentThread.tsx**: Memoize `TimelineList` with `useMemo` so typing
state changes don't re-render 143 timeline items; extract
`handleFeedbackVote` to `useCallback`; added missing deps
(`pendingApprovalAction`, `onApproveApproval`, `onRejectApproval`) to
useMemo array
- **IssueDetail.tsx**: Extract inline callbacks (`handleCommentAdd`,
`handleCommentVote`, `handleCommentImageUpload`,
`handleCommentAttachImage`, `handleInterruptQueued`) to `useCallback`
with `.mutateAsync` deps (not full mutation objects) for stable
references; add conditional polling intervals (3s active / 30s idle) for
`liveRuns`, `activeRun`, `linkedRuns`, and timeline queries
- **MarkdownEditor.tsx**: Debounce `MutationObserver` and
`selectionchange` handlers via `requestAnimationFrame` coalescing
- **LiveRunWidget.tsx**: Accept optional `liveRunsData` and
`activeRunData` props to reuse parent-fetched data instead of duplicate
polling
## Verification
- Navigated to [IP address]:3105/PAPA/issues/PAPA-32 (thread with 100+
items)
- Typed in comment composer — lag eliminated, characters appear
instantly
- CDP trace test script (`test-typing-lag.mjs`) confirmed: avg 21ms
key→paint (was 110ms), 5 long tasks (was 60), 0.5s blocking (was 3.7s)
- Ran `pnpm test:run` locally — all tests pass
## Risks
- Low risk. All changes are additive memoization and callback
stabilization — no behavioral changes. Polling intervals are only
reduced for idle state; active runs still poll at 3–5s.
## Model Used
- Claude Opus 4.6 (`claude-opus-4-6`) via Claude Code CLI, with tool use
and extended context
## 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 run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge
---------
Co-authored-by: Paperclip <noreply@paperclip.ing>
When a comment has both helpful/needswork feedback buttons and a run link,
the run link now appears right-aligned in the same row instead of a separate
section below. Comments with only a run link (no feedback buttons) still
show the run link in its own bordered row.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
Escape `[` and `]` in filenames to prevent malformed markdown when
attaching images. Use `\n\n` instead of `\n` so the image renders
as its own paragraph instead of inline with preceding text.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The paperclip button in comments uploaded images to the issue-level
attachment section but didn't insert a markdown image reference into
the comment body. Now it uses the imageUploadHandler to get the URL
and appends an inline image to the comment text.
Fixes#272
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Adds a small copy icon to the right of each comment's date that copies
the comment body as raw markdown to the clipboard. Shows a checkmark
briefly after copying.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add renderTriggerValue/renderOption to the comment thread's assignee
selector so it shows agent icons, matching the new issue dialog. Fix
the InlineEntitySelector flash on click by only auto-opening on
keyboard focus (not pointer-triggered focus).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Comment dates are now clickable anchor links (#comment-{id})
- Pages scroll to and highlight the target comment when URL has a hash
- Added GET /api/issues/:id/comments/:commentId endpoint
- Updated skill docs with new endpoint and comment URL format
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Rename all workspace packages from @paperclip/* to @paperclipai/* and
the CLI binary from `paperclip` to `paperclipai` in preparation for
npm publishing. Bump CLI version to 0.1.0 and add package metadata
(description, keywords, license, repository, files). Update all
imports, documentation, user-facing messages, and tests accordingly.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Replace the checkbox + native <select> reassign pattern in CommentThread
with an always-visible InlineEntitySelector (matching the new issue dialog).
The selector defaults to the current assignee and only triggers reassignment
on comment submit if the user changed the selection.
- Remove ReassignOption interface, use InlineEntityOption from InlineEntitySelector
- Add currentAssigneeValue prop to track issue's current assignee
- Remove canReassignFromComment gate so selector is always visible
- Position selector to the left of the Comment button
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add project mention system using project:// URI scheme with optional
color parameter. Mentions render as colored pill chips in markdown
bodies and the WYSIWYG editor. Autocomplete in editors shows both
agents and projects. Server extracts mentioned project IDs from issue
content and returns them in the issue detail response.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Per feedback on PAP-186: containers should have hard edges but buttons,
comment containers, project icons, and company icons should keep rounding.
- Restore --radius-sm (6px) and --radius-md (8px) for buttons/inputs
- Keep --radius-lg and --radius-xl at 0 for cards/containers/dialogs
- Add rounded-sm to comment container divs in CommentThread
- Replace rounded-xl with rounded-[14px] on company icons (CompanyRail,
CompanySettings) since --radius-xl is 0
- Fix brand color dot in Sidebar (rounded → rounded-sm)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add PWA meta tags for iOS home screen. Fix mobile properties drawer with safe
area insets. Add image attachment button to comment thread. Improve sidebar
with collapsible sections, project grouping, and mobile bottom nav. Show
token and billing type breakdown on costs page. Fix inbox loading state to
show content progressively. Various mobile overflow and layout fixes.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add org chart page with tree visualization and sidebar nav link
- Restructure issue detail into tabbed layout (comments/activity/sub-issues)
- Persist comment drafts to localStorage with debounce
- Add inline assignee picker to issues list with search
- Fix assignee clear to reset both agent and user assignee
- Fix InlineEditor nesting when rendering markdown content
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add Auth sign-in/sign-up page and InviteLanding page for invite acceptance.
Add CloudAccessGate that checks deployment mode and redirects to /auth when
session is required. Add CompanyRail with drag-and-drop company switching.
Add MarkdownBody prose renderer. Redesign Inbox with category filters and
inline join-request approval. Refactor AgentDetail to overview/configure/runs
views with claude-login support. Replace navigate() anti-patterns with <Link>
components in Dashboard and MetricCard. Add live-run indicators in sidebar
agents. Fix LiveUpdatesProvider cache key resolution for issue identifiers.
Add auth, health, and access API clients.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Wraps the Identity component in comment headers with a Link to
/agents/{agentId} so users can click through to view agent details.
Applied to both CommentThread and ApprovalDetail comment sections.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Comments now show localized date+time (e.g. "Feb 20, 2026, 2:15 PM")
instead of just the date. Added formatDateTime utility to keep the
existing date-only formatDate unchanged for other contexts.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Replaced plain textarea in CommentThread with MarkdownEditor
for rich markdown editing (no toolbar, compact styling)
- Added @-mention autocomplete to MarkdownEditor:
- Detects @ trigger while typing with cursor-positioned dropdown
- Arrow key navigation, Enter/Tab to select, Escape to dismiss
- Filters mentionable names as user types after @
- Added onSubmit prop to MarkdownEditor for Cmd/Ctrl+Enter support
- Agents from the company are passed as mentionable options
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add ApprovalDetail page with comment thread, revision request/resubmit flow,
and ApprovalPayload component for structured payload display. Extend AgentDetail
with permissions management, config revision history, and duplicate action.
Add agent hire dialog with permission-gated access. Rework Costs page with
per-agent breakdown table and period filtering. Add sidebar badge counts for
pending approvals and inbox items. Enhance Dashboard with live metrics and
sparkline trends. Extend Agents list with pending_approval status and bulk
actions. Update IssueDetail with approval linking. Various component improvements
to MetricCard, InlineEditor, CommentThread, and StatusBadge.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add Identity component (avatar + name) used across agent/issue displays. Add
LiveRunWidget for real-time streaming of active heartbeat runs on issue detail
pages via WebSocket. Display issue identifiers (PAP-42) instead of UUID
fragments throughout Issues, Inbox, CommandPalette, and detail pages.
Enhance CommentThread with re-open checkbox, Cmd+Enter submit, sorted display,
and run linking. Improve Activity page with richer formatting and filtering.
Update Dashboard with live metrics. Add reports-to agent link in AgentProperties.
Various small fixes: StatusIcon centering, CopyText ref init, agent detail
run-issue cross-links.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Major AgentConfigForm rework with improved adapter configuration
fields and layout. Refine sidebar, breadcrumbs, and card/tab
components for visual consistency. Clean up page layouts across
Activity, Agents, Approvals, Costs, Dashboard, Goals, Inbox,
Issues, Org, and Projects pages. Minor heartbeat-run CLI fix.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>