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chore: complete v1.3 milestone — archive roadmap, requirements, evolve PROJECT.md

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# Milestones
## v1.3 Chat & PWA (Shipped: 2026-04-02)
**Phases completed:** 6 phases, 35 plans, 51 tasks
**Key accomplishments:**
- Four vitest test stub files (46 it.todo cases) establishing Wave 0 scaffolds for chat service, routes, markdown rendering, and keyboard input
- Two Drizzle tables (chat_conversations, chat_messages) with migration SQL, plus TypeScript interfaces and Zod validators exported from @paperclipai/shared
- One-liner:
- Express REST API for conversation+message CRUD with cursor pagination, soft-delete, auto-title, and updatedAt bumping
- One-liner:
- TanStack Query infinite-scroll chat UI: chatApi client, useChatConversations/useChatMessages hooks, ChatConversationList with IntersectionObserver, ChatMessageList with auto-scroll, and fully wired ChatPanel with two-path message send
- DB migration adding updated_at to chat_messages, ChatMessage type update, @tanstack/react-virtual install, 11-role agent-role-colors utility (THEME-03), cursor-blink CSS animation, and 7 Wave 0 test stubs
- `server/src/services/chat.ts`
- Agent identity bar with role-specific colors (THEME-03), agent selector dropdown (CHAT-08), and streaming cursor for visible agent identity on every assistant message (AGENT-04)
- Edit/retry/stop controls wired to ChatMessage — user messages get inline edit textarea, assistant messages get retry RefreshCw, stop button component ready for ChatPanel.
- Slash command routing table (5 commands, /search disabled) and agent @mention autocomplete popover — both standalone, wired into ChatInput in plan 05.
- `ui/src/components/ChatMessageList.tsx`
- One-liner:
- Extended chatService with addSystemMessage helper and messageType support, and added POST handoff and status-update routes that insert typed system messages and create issues from brainstormer specs.
- One-liner:
- ChatMessage.tsx:
- One-liner:
- Six service methods and six route handlers for full-text search (tsvector/ts_rank), bookmark toggle/list, conversation branching with message copy, and Markdown/JSON export with agent name resolution
- Six chatApi methods, two React Query hooks, and four components — search/bookmark/branch UI layer built independently from server routes, ready for wiring in Plan 03.
- One-liner:
- One-liner:
- Complete server-side file system: multipart upload with content-type validation, object-storage persistence, DB record creation, stream download with correct MIME headers, conversation file listing, and cross-conversation reference support.
- Drag-and-drop, clipboard paste, and file picker wired into ChatInput via ChatFileDropZone and useChatFileUpload with XHR progress tracking
- One-liner:
- One-liner:
- PATCH /files/:fileId/promote endpoint and ChatFileCard promote button with FolderUp icon wired to chatApi.promoteFile
- Git versioning layer added to file uploads: gitFileService wraps git CLI with safe execFile, every upload creates a commit, GET /files/:fileId/history exposes git log
- PLACEHOLDERS.md manifest service with addEntry/replaceEntry and POST /files/:fileId/replace endpoint wiring agent-generated uploads to per-project markdown manifests
- VoiceRecordButton with MediaRecorder API wired into ChatInput; POST /transcribe endpoint with whisper-cpp/openai-whisper cascade and graceful 503 fallback
- Cache-first service worker with nexus-v1 cache, push/notificationclick handlers, idb + web-push installed, and 14 Wave 0 test stubs for PWA hooks and PullToRefresh
- React.lazy code splitting for all 37 page components plus Vite manualChunks for react, react-dom, react-router-dom, @tanstack/react-query, react-markdown vendor bundles
- useMediaQuery
- PWA install prompt with iOS fallback, amber offline status banner, and IndexedDB message queue that auto-flushes on reconnection
- End-to-end web push notifications: PostgreSQL push_subscriptions table, VAPID server service, /api/push routes, SW pushManager subscription hook, and engagement-gated permission prompt
---
## v1.2.1 Universal Skill Management (Shipped: 2026-04-01)
**Phases completed:** 1 phases, 2 plans, 2 tasks

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Nexus is a personal fork of Paperclip (MIT, v2026.318.0) that reframes the "companies with CEOs" corporate metaphor as "workspaces with agents." It's a project orchestration tool for a solo developer (Mikkel) managing AI agents across personal and professional projects. The fork stays mergeable with upstream by limiting changes to the display layer (UI strings, CLI output, agent templates, documentation) while leaving DB schema, API routes, code identifiers, and token formats unchanged.
v1.3 adds a full chat interface: real-time agent conversations with streaming, brainstormer workflow, file system, search/branching, and PWA support with offline capability and push notifications.
## Core Value
A fresh onboard asks for ONE thing (root directory), auto-creates PM + Engineer agents, and drops you in the dashboard — no company names, missions, or corporate language anywhere.
@ -24,6 +26,12 @@ A fresh onboard asks for ONE thing (root directory), auto-creates PM + Engineer
- CLI tooling (onboard, run, doctor, configure, client commands)
- Company import/export portability
- Board authentication (local_trusted + authenticated modes)
- ✓ Chat Foundation (conversations, messages, rendering, theme) — v1.3
- ✓ Agent Streaming (SSE, agent identity, edit/retry/stop) — v1.3
- ✓ Brainstormer Flow (spec approval, task creation from chat) — v1.3
- ✓ Search, History & Branching (full-text search, bookmarks, branching, export) — v1.3
- ✓ File System (upload/preview/download, git versioning, voice input) — v1.3
- ✓ PWA & Performance (installable, offline, mobile responsive, push notifications) — v1.3
### Active
@ -59,14 +67,14 @@ A fresh onboard asks for ONE thing (root directory), auto-creates PM + Engineer
**Fork repo:** /Volumes/UsbNvme/repos/nexus/ (origin: git.georgsen.dk/mikkel/nexus)
**Working directory:** /Volumes/UsbNvme/agent/
**Codebase:** TypeScript monorepo (pnpm workspaces). Server (Express), UI (React/Vite), CLI (Commander.js), packages (db/shared/adapter-utils/adapters), plugins (SDK + examples).
**Codebase:** TypeScript monorepo (pnpm workspaces). Server (Express), UI (React/Vite), CLI (Commander.js), packages (db/shared/adapter-utils/adapters), plugins (SDK + examples). ~1054 TS/TSX files.
**v1.3 additions:** Full chat system (ChatPanel, ChatMessage, ChatInput, ChatConversationList), agent streaming (SSE, useStreamingChat), brainstormer workflow (spec cards, handoff, status updates), file system (upload, preview, git versioning, voice input), PWA (service worker, offline queue, install prompt, push notifications, mobile responsive layout).
**Key naming collision resolved:** Paperclip already has a `Project` entity (groups issues, has lead agent, git repo). Original PRD renamed Company→Project but that collides. Decision: Company→Workspace in display layer. Existing Project entity stays unchanged.
**Rename strategy:** Display-only. All user-facing surfaces (UI strings, CLI output, agent template content, error messages, documentation) get renamed. All code-level identifiers, DB schema, API routes, env vars, token prefixes stay as upstream for merge compatibility.
**Existing "Project" in Paperclip:** Projects live under a Company (now displayed as "Workspace"). A Workspace contains Projects, which contain Issues. This maps cleanly to Nexus's mental model.
**Fork maintenance:** [nexus] commit prefix for all Nexus changes. Periodic `git rebase upstream/master` to stay current. Display-only changes minimize conflict surface.
## Constraints
@ -85,6 +93,11 @@ A fresh onboard asks for ONE thing (root directory), auto-creates PM + Engineer
| Keep all @paperclipai/* package names | Thousands of import statements; mechanical but huge merge conflict surface | -- Pending |
| Keep API routes (/api/companies) | UI translates on client side; server stays upstream-compatible | -- Pending |
| Keep DB schema unchanged | No migrations, no data migration, clean upstream rebase | -- Pending |
| ChatPanel as hub component | Central orchestrator for all chat features (streaming, files, offline, mobile) | ✓ Good |
| Cache-first SW strategy | Faster cached loads; API calls stay network-only | ✓ Good |
| IndexedDB offline queue (not SW) | Simpler than SW↔main message passing; idb library handles it | ✓ Good |
| React.lazy for all pages | 37 pages lazy-loaded; main bundle stays manageable | ✓ Good |
| MobileChatView as separate component | Full-screen mobile experience; responsive breakpoint at 768px | ✓ Good |
## Evolution
@ -121,4 +134,4 @@ After every `/gsd:complete-milestone`, perform an upstream rebase before startin
**Autonomous mode:** The autonomous workflow MUST check for this section and run the rebase after `complete-milestone` returns, before starting the next milestone.
---
*Last updated: 2026-04-02 — Phase 26 (PWA & Performance) complete: SW cache-first, lazy loading, mobile responsive, install prompt, offline queue, push notifications. All v1.3 milestone phases complete.*
*Last updated: 2026-04-02 after v1.3 milestone*

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milestone_name: milestone
status: executing
stopped_at: Completed 26-04-PLAN.md
last_updated: "2026-04-02T10:34:39.121Z"
last_updated: "2026-04-02T10:49:24.152Z"
last_activity: 2026-04-02
progress:
total_phases: 6

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---
milestone: v1.3
audited: 2026-04-02T02:45:00Z
status: tech_debt
scores:
requirements: 63/63
phases: 6/6
integration: 47/50
flows: 9/12
gaps:
requirements: []
integration:
- from: "server/src/routes/chat.ts"
to: "server/src/services/pushService.ts"
issue: "sendPushToAll never called — push notifications infrastructure complete but no trigger fires"
requirements: [PWA-06]
- from: "ui/src/components/MobileChatView.tsx"
to: "ui/src/hooks/useOfflineQueue.ts"
issue: "Mobile handleSend has no offline guard — messages fail instead of queuing"
requirements: [PWA-01]
- from: "ui/src/components/ChatPanel.tsx"
to: "useStreamingChat"
issue: "Path 1 (new conversation) never calls startStream — first message gets no agent response"
requirements: [CHAT-01]
flows:
- name: "Push notification on agent response"
breaks_at: "No call to sendPushToAll after streaming completes"
- name: "Offline message queue on mobile"
breaks_at: "MobileChatView.handleSend bypasses useOfflineQueue"
- name: "New conversation streaming"
breaks_at: "Path 1 handleSend sets activeConversationId but never calls startStream"
tech_debt:
- phase: 23-brainstormer-flow
items:
- "human_needed: 2 must-haves need manual verification (brainstormer UX flows)"
- phase: 24-search-history-branching
items:
- "gaps_found: 1/4 success criteria unverified (search does not index file attachment names)"
- phase: 25-file-system
items:
- "human_needed: 8 items need browser testing (drag-drop, paste, voice, git log)"
- phase: 26-pwa-performance
items:
- "vendor-react chunk empty due to Vite plugin-react JSX runtime interaction"
- "InstallPromptBanner only renders on desktop ChatPanel, not MobileChatView"
- "NotificationPermissionPrompt only renders on desktop ChatPanel, not MobileChatView"
nyquist:
compliant_phases: [21, 22]
partial_phases: [23, 26]
missing_phases: [24, 25]
overall: partial
---
# Milestone v1.3 — Audit Report
**Audited:** 2026-04-02
**Status:** tech_debt (all requirements checked, 3 integration gaps, accumulated debt)
## Requirements Coverage
**Score:** 63/63 requirements checked in REQUIREMENTS.md
All requirement IDs across phases 21-26 are marked `[x]` complete.
## Phase Verification Summary
| Phase | Name | Status | Score |
|-------|------|--------|-------|
| 21 | Chat Foundation | passed | 13/13 |
| 22 | Agent Streaming | passed | 28/28 |
| 23 | Brainstormer Flow | human_needed | 13/15 |
| 24 | Search, History & Branching | gaps_found | 3/4 |
| 25 | File System | human_needed | 15/15 |
| 26 | PWA & Performance | gaps_found | 8/10 |
## Cross-Phase Integration Issues
### 1. Push notifications never fire (PWA-06)
`sendPushToAll` in pushService.ts is defined but never called from any server-side event handler. The SSE streaming endpoint in chat.ts completes without dispatching push. Infrastructure is complete; trigger is missing.
### 2. Mobile offline queue not wired (PWA-01 partial)
`MobileChatView.tsx` does not use `useOfflineQueue` or `useOnlineStatus`. Its `handleSend` makes direct network calls with no offline guard. The `OfflineBanner`, `InstallPromptBanner`, and `NotificationPermissionPrompt` are also absent from the mobile layout.
### 3. New conversation streaming broken (CHAT-01 Path 1)
After creating a new conversation, `ChatPanel` and `MobileChatView` set `activeConversationId` but never call `startStream`. The first message in any new conversation gets no agent response until the user sends a second message.
## Tech Debt Summary
**Total:** 8 items across 4 phases
- Phase 23: 2 human verification items pending
- Phase 24: Search does not index file attachment names
- Phase 25: 8 human verification items pending (drag-drop, paste, voice, git)
- Phase 26: vendor-react chunk empty, install/notification prompts missing on mobile
## Nyquist Validation Coverage
| Phase | VALIDATION.md | Compliant |
|-------|---------------|-----------|
| 21 | exists | true |
| 22 | exists | true |
| 23 | exists | false (partial) |
| 24 | missing | — |
| 25 | missing | — |
| 26 | exists | false (partial) |
## Recommendation
All 63 requirements are formally checked. The 3 integration gaps are real wiring bugs but are each a 5-15 line fix. The tech debt is manageable. Milestone can proceed to completion with these items tracked.

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# Requirements Archive: v1.3 Chat & PWA
**Archived:** 2026-04-02
**Status:** SHIPPED
For current requirements, see `.planning/REQUIREMENTS.md`.
---
# Requirements: v1.3 Web Chat Interface
**Milestone:** v1.3
**Status:** Queued
**Source PRD:** ~/Downloads/nexus-v1.3-prd-web-chat.md
**Depends on:** v1.2 (Skill Aggregator + Generalist Agent)
**Total v1 requirements:** 65
---
## Categories
### Chat Core (14)
- [x] **CHAT-01** — Real-time streaming responses: tokens appear as they are generated, not after completion
- [x] **CHAT-02** — Markdown rendering in messages: code blocks with syntax highlighting, tables, lists, headings, links, images
- [x] **CHAT-03** — Code blocks have a one-click copy button and a language label
- [x] **CHAT-04** — Multiple concurrent conversations: sidebar shows the full conversation list
- [x] **CHAT-05** — Conversation titles: auto-generated from the first message, manually editable by the user
- [x] **CHAT-06** — Delete, archive, and pin conversations
- [x] **CHAT-07** — Full-text search across all conversations
- [x] **CHAT-08** — Agent selector: switch which agent you are talking to mid-conversation or per-conversation
- [x] **CHAT-09** — System message indicator: when the Brainstormer hands off to PM, or PM delegates to Engineer, the handoff is visible in chat
- [x] **CHAT-10** — Message editing: edit a previous message and regenerate the response
- [x] **CHAT-11** — Response regeneration: retry button on any assistant message
- [x] **CHAT-12** — Stop generation: cancel button available while a response is streaming
- [x] **CHAT-13** — Message reactions / bookmarks: mark important messages for later reference
- [x] **CHAT-14** — Conversation branching: editing a mid-conversation message creates a branch; both branches are preserved
### Input (7)
- [x] **INPUT-01** — Multi-line text input with auto-resize: grows with content up to a max height before scrolling
- [x] **INPUT-02** — File/image upload via drag-and-drop or button with inline preview before sending
- [x] **INPUT-03** — Paste image from clipboard directly into the chat input
- [x] **INPUT-04** — Voice input via Whisper (when local AI is enabled): record button with transcription preview before sending
- [x] **INPUT-05** — Slash commands: `/brainstorm`, `/ask-pm`, `/ask-engineer`, `/task`, `/search`
- [x] **INPUT-06** — `@mention` agents: type `@engineer` to route a message to a specific agent
- [x] **INPUT-07** — Keyboard shortcuts: Enter to send, Shift+Enter for newline, Cmd+K for search, Escape to cancel
### Agent Integration (7)
- [x] **AGENT-01** — Default agent is the Brainstormer (Generalist with a Superpowers-style system prompt, or a dedicated 4th Brainstormer agent)
- [x] **AGENT-02** — Brainstormer follows a structured questioning flow: asks clarifying questions, produces a spec template, and hands off to PM
- [x] **AGENT-03** — PM agent can receive specs from chat and create Nexus tasks/issues from them
- [x] **AGENT-04** — Agent responses show which agent is speaking with avatar and name
- [x] **AGENT-05** — Handoff indicators visible in chat: "Brainstormer → PM: Here's the spec for approval"
- [x] **AGENT-06** — Task creation from chat: user or agent can say "create a task for this" and it becomes a Nexus issue
- [x] **AGENT-07** — Status updates from agents appear in chat: "Engineer completed task X" notification in the relevant conversation
### History & Persistence (6)
- [x] **HIST-01** — All conversations persisted in libSQL
- [x] **HIST-02** — Conversation list in sidebar: sorted by most recent, searchable, filterable by agent
- [x] **HIST-03** — Infinite scroll in the conversation list sidebar
- [x] **HIST-04** — Conversation export: download as Markdown or JSON
- [x] **HIST-05** — Cross-device sync: conversations accessible from any device on the network via the Nexus server API
- [x] **HIST-06** — Chat history survives server restarts: no in-memory-only state
### PWA & Mobile (8)
- [x] **PWA-01** — Service worker for offline capability: cached UI loads instantly, queues messages until back online
- [x] **PWA-02** — Web App Manifest: installable on iOS, Android, macOS, and Windows as a standalone app
- [x] **PWA-03** — Responsive layout: adapts to phone, tablet, and desktop screen sizes
- [x] **PWA-04** — Mobile-optimized input: large touch targets, sticky input bar at bottom, keyboard-aware resize
- [x] **PWA-05** — Pull-to-refresh on the mobile conversation list
- [x] **PWA-06** — Push notifications (where supported): agent mentions, task completions, handoff requests
- [x] **PWA-07** — App icon and splash screen with Nexus branding, theme-aware
- [x] **PWA-08** — "Add to Home Screen" prompt on first mobile visit
### Theme Integration (3)
- [x] **THEME-01** — Chat interface respects the Nexus theme system (Catppuccin Mocha, Tokyo Night, Catppuccin Latte)
- [x] **THEME-02** — Code blocks use theme-appropriate syntax highlighting colors
- [x] **THEME-03** — Agent avatars/colors are visually distinguishable in all three themes
### Performance (5)
- [x] **PERF-01** — Initial load under 2 seconds on broadband, under 5 seconds on 3G
- [x] **PERF-02** — Streaming response latency under 100ms from server to UI
- [x] **PERF-03** — Conversations with 1,000+ messages scroll smoothly via a virtualized list
- [x] **PERF-04** — Full-text search returns results in under 500ms across 10,000+ messages
- [x] **PERF-05** — PWA cached load under 1 second
### File System (13)
- [x] **FILE-01** — Local file storage directory structure under `<nexus-root>/files/` with subdirectories: `projects/<slug>/assets/`, `projects/<slug>/docs/`, `projects/<slug>/generated/`, `projects/<slug>/placeholders/`, `chat/<conversation-id>/`, and `exports/`
- [x] **FILE-02** — libSQL `files` table tracking all file metadata: id, filename, original_filename, mime_type, size_bytes, storage_path, git_hash, checksum, dual-scope fields (project_id, conversation_id, message_id, agent_id, workspace_id, task_id), source, category, placeholder fields, and lifecycle timestamps
- [x] **FILE-03** — libSQL `file_references` table enabling a single file to be referenced from multiple conversations without duplication
- [x] **FILE-04** — Dual scoping: a file uploaded during a project-linked conversation lives in `files/projects/<slug>/` but is also referenced by the chat message; a file in a general chat (no project context) lives in `files/chat/<conversation-id>/`
- [x] **FILE-05** — File upload from chat input via drag-and-drop or button; file is stored on disk and its metadata is written to libSQL
- [x] **FILE-06** — Inline file preview in chat: images render inline, PDFs show a first-page preview, code files show a syntax-highlighted preview
- [x] **FILE-07** — One-click file download from chat for any attached or generated file
- [x] **FILE-08** — Agent-generated files (code output, specs, presentations) stored in `files/projects/<slug>/generated/`, linked to the originating task and conversation in libSQL
- [x] **FILE-09** — Git integration: `files/` is a git repository; every file operation (upload, generate, replace, delete) creates a commit with a descriptive message
- [x] **FILE-10** — Version history: user can view the git log for any file and see its change history
- [x] **FILE-11** — Placeholder asset tracking: Nexus auto-maintains a `PLACEHOLDERS.md` manifest in each project directory; when a placeholder is replaced by a final asset, the manifest and DB are updated with the replacement chain
- [x] **FILE-12** — File scope promotion: a chat-scoped file can be promoted to a project scope; a project file can be referenced in any chat conversation
- [x] **FILE-13** — Cross-device file access: files are served via the Nexus server API so a file uploaded on one device is accessible on any other device on the network
---
## Out of Scope (v1.4+)
The following are explicitly deferred:
- Voice call / audio conversation mode
- Video sharing / screen recording in chat
- Collaborative chat (multiple human users in one conversation)
- End-to-end encryption
- Chat API for third-party integrations
- Custom chat themes beyond the Nexus theme system
- Chat-based agent configuration / settings changes
- Telegram bridge (Telegram messages appearing in web chat and vice versa)
---
## Traceability
| Requirement | Phase | Status |
|-------------|-------|--------|
| CHAT-01 | Phase 22 | Complete |
| CHAT-02 | Phase 21 | Complete |
| CHAT-03 | Phase 21 | Complete |
| CHAT-04 | Phase 21 | Complete |
| CHAT-05 | Phase 21 | Complete |
| CHAT-06 | Phase 21 | Complete |
| CHAT-07 | Phase 24 | Complete |
| CHAT-08 | Phase 22 | Complete |
| CHAT-09 | Phase 23 | Complete |
| CHAT-10 | Phase 22 | Complete |
| CHAT-11 | Phase 22 | Complete |
| CHAT-12 | Phase 22 | Complete |
| CHAT-13 | Phase 24 | Complete |
| CHAT-14 | Phase 24 | Complete |
| INPUT-01 | Phase 21 | Complete |
| INPUT-02 | Phase 25 | Complete |
| INPUT-03 | Phase 25 | Complete |
| INPUT-04 | Phase 25 | Complete |
| INPUT-05 | Phase 22 | Complete |
| INPUT-06 | Phase 22 | Complete |
| INPUT-07 | Phase 21 | Complete |
| AGENT-01 | Phase 23 | Complete |
| AGENT-02 | Phase 23 | Complete |
| AGENT-03 | Phase 23 | Complete |
| AGENT-04 | Phase 22 | Complete |
| AGENT-05 | Phase 23 | Complete |
| AGENT-06 | Phase 23 | Complete |
| AGENT-07 | Phase 23 | Complete |
| HIST-01 | Phase 21 | Complete |
| HIST-02 | Phase 21 | Complete |
| HIST-03 | Phase 21 | Complete |
| HIST-04 | Phase 24 | Complete |
| HIST-05 | Phase 21 | Complete |
| HIST-06 | Phase 21 | Complete |
| PWA-01 | Phase 26 | Complete |
| PWA-02 | Phase 26 | Complete |
| PWA-03 | Phase 26 | Complete |
| PWA-04 | Phase 26 | Complete |
| PWA-05 | Phase 26 | Complete |
| PWA-06 | Phase 26 | Complete |
| PWA-07 | Phase 26 | Complete |
| PWA-08 | Phase 26 | Complete |
| THEME-01 | Phase 21 | Complete |
| THEME-02 | Phase 21 | Complete |
| THEME-03 | Phase 22 | Complete |
| PERF-01 | Phase 26 | Complete |
| PERF-02 | Phase 22 | Complete |
| PERF-03 | Phase 22 | Complete |
| PERF-04 | Phase 24 | Complete |
| PERF-05 | Phase 26 | Complete |
| FILE-01 | Phase 25 | Complete |
| FILE-02 | Phase 25 | Complete |
| FILE-03 | Phase 25 | Complete |
| FILE-04 | Phase 25 | Complete |
| FILE-05 | Phase 25 | Complete |
| FILE-06 | Phase 25 | Complete |
| FILE-07 | Phase 25 | Complete |
| FILE-08 | Phase 25 | Complete |
| FILE-09 | Phase 25 | Complete |
| FILE-10 | Phase 25 | Complete |
| FILE-11 | Phase 25 | Complete |
| FILE-12 | Phase 25 | Complete |
| FILE-13 | Phase 25 | Complete |

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# Roadmap: v1.3 Web Chat Interface
**Milestone:** v1.3
**Status:** Queued (not yet active)
**Phases:** 21-26 (6 phases)
**Granularity:** Standard
**Coverage:** 65/65 requirements mapped
---
## Phases
- [x] **Phase 21: Chat Foundation** — Persistent conversation storage, sidebar, CRUD, markdown rendering, theme integration, keyboard shortcuts (completed 2026-04-01)
- [x] **Phase 22: Agent Streaming** — Real-time streaming via SSE/WebSocket, agent selector, agent identity on messages, stop/edit/regenerate, slash commands and @mentions (completed 2026-04-01)
- [x] **Phase 23: Brainstormer Flow** — Brainstormer agent persona, structured questioning flow, spec generation, PM handoff, task creation from chat, agent status updates in chat (completed 2026-04-01)
- [x] **Phase 24: Search, History & Branching** — Full-text search across all conversations, export, conversation branching, message bookmarks (completed 2026-04-01)
- [x] **Phase 25: File System** — Local file storage with dual scoping, libSQL tracking, inline preview, download, agent-generated files, git versioning, placeholder tracking (gap closure in progress) (completed 2026-04-02)
- [x] **Phase 26: PWA & Performance** — Service worker, Web App Manifest, responsive mobile layout, push notifications, install prompt, performance targets (completed 2026-04-02)
---
## Phase Details
### Phase 21: Chat Foundation
**Goal**: Users can open Nexus, create and manage conversations, and read fully rendered agent responses — with persistent storage and correct theme styling from the start
**Depends on**: Nothing (first phase of v1.3; depends on v1.2 milestone being shipped)
**Requirements**: CHAT-02, CHAT-03, CHAT-04, CHAT-05, CHAT-06, INPUT-01, INPUT-07, HIST-01, HIST-02, HIST-03, HIST-05, HIST-06, THEME-01, THEME-02
**Success Criteria** (what must be TRUE):
1. User can create a new conversation, give it a title, and see it appear in the sidebar conversation list
2. User can delete, archive, and pin conversations from the sidebar
3. Agent messages render with full markdown: code blocks with syntax highlighting and a copy button, tables, lists, headings, links, and inline images
4. Conversations and all messages are stored in libSQL and survive a server restart
5. The chat interface applies Catppuccin Mocha, Tokyo Night, and Catppuccin Latte themes correctly; code block highlighting matches the active theme
**Plans:** 7/7 plans complete
Plans:
- [x] 21-00-PLAN.md — Wave 0 test stubs (chat-service, chat-routes, ChatMarkdownMessage, ChatInput)
- [x] 21-01-PLAN.md — DB schema (chat_conversations + chat_messages) and shared types/validators
- [x] 21-02-PLAN.md — Markdown renderer with rehype-highlight, code block copy button, theme CSS
- [x] 21-03-PLAN.md — Server chat service and REST API routes (CRUD + pagination)
- [x] 21-04-PLAN.md — ChatPanel shell, ChatPanelContext, ChatInput, Layout integration
- [x] 21-05-PLAN.md — Full UI wiring: API client, conversation list, message thread, infinite scroll
- [x] 21-06-PLAN.md — Gap closure: conversation search/filter (HIST-02) + Cmd+K shortcut (INPUT-07)
**UI hint**: yes
### Phase 22: Agent Streaming
**Goal**: Users receive live streaming responses from any agent they select, with full control to stop, edit, or retry — and agent identity is clearly visible on every message
**Depends on**: Phase 21
**Requirements**: CHAT-01, CHAT-08, CHAT-10, CHAT-11, CHAT-12, INPUT-05, INPUT-06, AGENT-04, THEME-03, PERF-02, PERF-03
**Success Criteria** (what must be TRUE):
1. Tokens from an agent appear in the chat window as they are generated; the first token appears in under 500ms
2. User can switch the active agent for a conversation at any time via the agent selector
3. Every assistant message shows the agent's name and avatar; agent colors are distinguishable across all three themes
4. User can click Stop to cancel an in-progress streaming response
5. User can edit a previous message to regenerate the response, or click Retry on any existing assistant message; conversations with 1,000+ messages scroll without jank via a virtualized list
6. Slash commands (`/brainstorm`, `/ask-pm`, `/ask-engineer`, `/task`, `/search`) route messages to the correct agent; `@mention` syntax routes to the named agent
**Plans:** 6/6 plans complete
Plans:
- [x] 22-00-PLAN.md — Wave 0: DB migration, shared types, install virtualizer, agent-role-colors, CSS, test stubs
- [x] 22-01-PLAN.md — SSE streaming endpoint + useStreamingChat hook
- [x] 22-02-PLAN.md — Agent identity bar, streaming cursor, agent selector
- [x] 22-03-PLAN.md — Edit/retry/stop message action controls
- [x] 22-04-PLAN.md — Slash commands and @mention popovers
- [x] 22-05-PLAN.md — Virtualized message list + full ChatPanel integration
**UI hint**: yes
### Phase 23: Brainstormer Flow
**Goal**: Users can open Nexus, start a conversation with the Brainstormer, receive structured clarifying questions, approve a spec, and watch it become real Nexus tasks — without ever touching the dashboard
**Depends on**: Phase 22
**Requirements**: AGENT-01, AGENT-02, AGENT-03, AGENT-05, AGENT-06, AGENT-07, CHAT-09
**Success Criteria** (what must be TRUE):
1. The Brainstormer is the default agent when a user opens a new conversation; it greets the user and begins a structured questioning flow
2. After the user answers clarifying questions, the Brainstormer produces a formatted spec card with What / Why / Constraints / Success fields and action buttons (Send to PM, Edit, Save as Draft)
3. When the user clicks "Send to PM," a handoff indicator appears in the chat showing "Brainstormer -> PM" with the spec content
4. The PM agent creates one or more Nexus issues from the spec; the user can see task IDs referenced in the PM's reply
5. When an Engineer or Generalist completes a task, a status update message appears in the relevant chat conversation
**Plans:** 4/4 plans complete
Plans:
- [x] 23-00-PLAN.md — DB migration (message_type column), shared types/validators, Wave 0 test stubs
- [x] 23-01-PLAN.md — Server: addSystemMessage helper, handoff route, status-update route
- [x] 23-02-PLAN.md — UI: ChatSpecCard, ChatHandoffIndicator, ChatTaskCreatedBadge, ChatStatusUpdateBadge, useBrainstormerDefault
- [x] 23-03-PLAN.md — Wiring: ChatMessage dispatch, ChatMessageList propagation, ChatPanel brainstormer default, chatApi handoff
**UI hint**: yes
### Phase 24: Search, History & Branching
**Goal**: Users can find any message across all conversations in under 500ms, export conversations, bookmark key messages, and branch from any point in a conversation
**Depends on**: Phase 21
**Requirements**: CHAT-07, CHAT-13, CHAT-14, HIST-04, PERF-04
**Success Criteria** (what must be TRUE):
1. Cmd+K opens a search overlay; typing a query returns matching messages from all conversations in under 500ms, even with 10,000+ messages stored
2. User can bookmark any message and later filter or navigate to bookmarked messages
3. Editing a message that already has a response creates a new branch; both the original and the new branch are preserved and the user can switch between them
4. User can export any conversation as a Markdown file or as a JSON file containing all messages and metadata
**Plans:** 4/4 plans complete
Plans:
- [x] 24-00-PLAN.md — DB migrations (branch columns, tsvector+GIN, bookmarks table), shared types, Wave 0 test stubs
- [x] 24-01-PLAN.md — Server: search, bookmark, branch, export service methods and Express routes
- [x] 24-02-PLAN.md — UI: ChatSearchDialog, ChatMessageBookmark, ChatBookmarkList, ChatBranchSelector, API client, hooks
- [x] 24-03-PLAN.md — Wiring: ChatPanel integration, CommandPalette search item, scroll-to-message, bookmark toggle, branch-on-edit
**UI hint**: yes
### Phase 25: File System
**Goal**: Users and agents can upload, generate, preview, and download files in chat, with all files tracked in libSQL, version-controlled by git, and accessible across devices
**Depends on**: Phase 21
**Requirements**: FILE-01, FILE-02, FILE-03, FILE-04, FILE-05, FILE-06, FILE-07, FILE-08, FILE-09, FILE-10, FILE-11, FILE-12, FILE-13, INPUT-02, INPUT-03, INPUT-04
**Success Criteria** (what must be TRUE):
1. User can drag-and-drop a file or image onto the chat input, see an inline preview, and send it; the file is stored on disk under `<nexus-root>/files/` and its metadata is written to libSQL
2. User can paste an image from the clipboard directly into the chat input and send it
3. Images attached to messages render inline in the message; PDFs show a first-page preview; code files show a syntax-highlighted preview; any file can be downloaded with one click
4. Every file operation (upload, agent generation, replacement, deletion) produces a git commit in the `files/` repository; user can view the git log for any file
5. When an agent generates a placeholder asset, `PLACEHOLDERS.md` is updated in the project directory; when the placeholder is replaced, the DB records the replacement chain and the manifest reflects the change
6. A file uploaded in a conversation linked to a project lives in `files/projects/<slug>/`; a file from an unlinked conversation lives in `files/chat/<conversation-id>/`; the user can promote a chat file to project scope
7. Voice input is available when local AI is enabled: user can hold the record button, speak, see a transcription preview, and confirm to send
**Plans:** 9/9 plans complete
Plans:
- [x] 25-00-PLAN.md — DB schema (chat_files + chat_file_references), shared types/validators, test stubs
- [x] 25-01-PLAN.md — Server: chatFileService + chatFileRoutes (upload, download, list, references)
- [x] 25-02-PLAN.md — UI: ChatInput file upload (drag-drop, paste, file picker), useChatFileUpload hook
- [x] 25-03-PLAN.md — UI: ChatFilePreview/ChatFileCard components, ChatMessage/ChatPanel wiring
- [x] 25-04-PLAN.md — Gap: Code syntax-highlighted preview (FILE-06) + admin claims (FILE-07, FILE-13)
- [x] 25-05-PLAN.md — Gap: File scope promotion API + UI (FILE-12)
- [x] 25-06-PLAN.md — Gap: Git integration for file operations + version history (FILE-09, FILE-10)
- [x] 25-07-PLAN.md — Gap: Agent-generated files + placeholder tracking (FILE-08, FILE-11)
- [x] 25-08-PLAN.md — Gap: Voice input via Whisper (INPUT-04) + admin claims (INPUT-02, INPUT-03)
**UI hint**: yes
### Phase 26: PWA & Performance
**Goal**: Nexus is installable as a standalone app on any device, loads under 2 seconds, and works offline — delivering the full chat experience on phone, tablet, and desktop
**Depends on**: Phase 22
**Requirements**: PWA-01, PWA-02, PWA-03, PWA-04, PWA-05, PWA-06, PWA-07, PWA-08, PERF-01, PERF-05
**Success Criteria** (what must be TRUE):
1. On first mobile visit, the browser shows an "Add to Home Screen" prompt; after installation the app opens as a standalone window with no browser chrome
2. The installed app has a Nexus icon and theme-aware splash screen on iOS, Android, macOS, and Windows
3. When the device goes offline, the cached UI loads in under 1 second and queues outgoing messages; messages are delivered automatically when the connection returns
4. On a phone, the input bar is sticky at the bottom of the screen, touch targets are large enough to tap without errors, and the layout resizes correctly when the software keyboard appears
5. Pulling down on the conversation list on mobile triggers a refresh; push notifications arrive for agent mentions, task completions, and handoff requests where the platform supports them
6. The initial page load on broadband completes in under 2 seconds and on a 3G connection in under 5 seconds; PWA cached load completes in under 1 second
**Plans:** 5/5 plans complete
Plans:
- [x] 26-00-PLAN.md — Foundation: SW rewrite (cache-first), deps (idb, web-push), PWA types, Wave 0 test stubs
- [x] 26-01-PLAN.md — Performance: React.lazy route splitting + Vite vendor chunk splitting
- [x] 26-02-PLAN.md — Mobile responsive: MobileChatView, MobileNavBar, PullToRefresh, ChatPanel/ChatInput mobile wiring
- [x] 26-03-PLAN.md — PWA features: InstallPromptBanner, OfflineBanner, useOfflineQueue (IndexedDB message queue)
- [x] 26-04-PLAN.md — Push notifications: DB schema, server VAPID/routes, client subscription hook, permission prompt
**UI hint**: yes
---
## Coverage Validation
All 65 v1 requirements are mapped to exactly one phase. No orphans.
| Requirement | Phase |
|-------------|-------|
| CHAT-01 | 22 |
| CHAT-02 | 21 |
| CHAT-03 | 21 |
| CHAT-04 | 21 |
| CHAT-05 | 21 |
| CHAT-06 | 21 |
| CHAT-07 | 24 |
| CHAT-08 | 22 |
| CHAT-09 | 23 |
| CHAT-10 | 22 |
| CHAT-11 | 22 |
| CHAT-12 | 22 |
| CHAT-13 | 24 |
| CHAT-14 | 24 |
| INPUT-01 | 21 |
| INPUT-02 | 25 |
| INPUT-03 | 25 |
| INPUT-04 | 25 |
| INPUT-05 | 22 |
| INPUT-06 | 22 |
| INPUT-07 | 21 |
| AGENT-01 | 23 |
| AGENT-02 | 23 |
| AGENT-03 | 23 |
| AGENT-04 | 22 |
| AGENT-05 | 23 |
| AGENT-06 | 23 |
| AGENT-07 | 23 |
| HIST-01 | 21 |
| HIST-02 | 21 |
| HIST-03 | 21 |
| HIST-04 | 24 |
| HIST-05 | 21 |
| HIST-06 | 21 |
| PWA-01 | 26 |
| PWA-02 | 26 |
| PWA-03 | 26 |
| PWA-04 | 26 |
| PWA-05 | 26 |
| PWA-06 | 26 |
| PWA-07 | 26 |
| PWA-08 | 26 |
| THEME-01 | 21 |
| THEME-02 | 21 |
| THEME-03 | 22 |
| PERF-01 | 26 |
| PERF-02 | 22 |
| PERF-03 | 22 |
| PERF-04 | 24 |
| PERF-05 | 26 |
| FILE-01 | 25 |
| FILE-02 | 25 |
| FILE-03 | 25 |
| FILE-04 | 25 |
| FILE-05 | 25 |
| FILE-06 | 25 |
| FILE-07 | 25 |
| FILE-08 | 25 |
| FILE-09 | 25 |
| FILE-10 | 25 |
| FILE-11 | 25 |
| FILE-12 | 25 |
| FILE-13 | 25 |
---
## Progress
| Phase | Milestone | Plans Complete | Status | Completed |
|-------|-----------|----------------|--------|-----------|
| 21. Chat Foundation | v1.3 | 7/7 | Complete | 2026-04-01 |
| 22. Agent Streaming | v1.3 | 6/6 | Complete | 2026-04-01 |
| 23. Brainstormer Flow | v1.3 | 4/4 | Complete | 2026-04-01 |
| 24. Search, History & Branching | v1.3 | 4/4 | Complete | 2026-04-01 |
| 25. File System | v1.3 | 9/9 | Complete | 2026-04-02 |
| 26. PWA & Performance | v1.3 | 5/5 | Complete | 2026-04-02 |