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Ratification draft (Jason, 2026-07-09) extending NORTH_STAR.yaml with NS-10..NS-13 and workstreams J/K/W/P/Q/X. Written against origin/main's fleet suite (F4/F6 anchors, H2 profiles, native backlog per ASM-1). Homelab is the trial environment (D12); USC/web1 adopts post-trial. See proposals/mosaic-platform-prd/README.md for the full decision record D1-D12. Not yet merged into NORTH_STAR.yaml — landing and card decomposition are the homelab orchestrator's mission. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
53 lines
3.5 KiB
Markdown
53 lines
3.5 KiB
Markdown
# PRD — webUI Fleet Control · Workstream W (realizes F6)
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> **Status:** DRAFT for ratification · **Goals:** W1–W3 · **Upstream anchor:** `PRD-fleet-suite.md` Phase F6 ("webUI hooks — stable JSON contract + terminate/attach(butt-in) surface")
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> Confirmed gap: zero xterm/pty/tmux code in `apps/web` on either the old snapshot or `origin/main`.
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## Mission
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The user can pop in on **any** agentic tmux session from the web, and get a full top-down view of the system — fleet roster, health, work in flight, spend — without touching a terminal. This is the product surface for "user has ability to pop in on any agent session; full top-down view available."
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## Requirements
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### Attach service (W1)
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| ID | Requirement |
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| W-R1 | A gateway service exposes per-agent session streams over WebSocket: **watch** (read-only pane view, cannot type) and **butt-in** (interactive takeover), mirroring the existing CLI verbs `mosaic agent watch/attach`. |
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| W-R2 | Authz is workspace-scoped through the product auth stack (BetterAuth/Authentik); watch and butt-in are separate grants; butt-in may be `requires_approval` per workspace policy (workstream P). |
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| W-R3 | Every attach (watch or butt-in) is audited: who, which agent, when, duration. |
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| W-R4 | Butt-in visibly flags the session to the agent runtime and other viewers (no silent takeover). |
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| W-R5 | Contract is stable JSON + streaming frames per F6's "stable JSON contract" requirement, so TUI/CLI and webUI share it. |
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### Web terminal (W2)
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| ID | Requirement |
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| W-R6 | xterm.js view in `apps/web` wired to W1: session list → click → live pane; toggle watch↔butt-in per grants. |
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| W-R7 | Reconnect-safe (network blips resume the stream), mobile-usable read-only view. |
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### Top-down dashboard (W3)
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| ID | Requirement |
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| W-R8 | Fleet dashboard: roster with per-agent state (systemd + tmux + heartbeat join, as `fleet ps` provides), current card/task, last activity, drift/boot-enable warnings. |
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| W-R9 | Work-in-flight view: backlog cards by state with depends_on DAG rendering; advisory spend per card (NS-2/NS-5). |
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| W-R10 | Operator controls: PAUSE kill-switch (NS-8), per-agent terminate (killswitch service), queue pause/resume — each gated + audited; destructive controls confirm. |
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| W-R11 | Existing widget framework (`AgentStatusWidget`, `OrchestratorEventsWidget`, SSE proxy routes) is the starting point, upgraded to the fleet contract rather than rebuilt. |
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## Acceptance criteria
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1. From a browser (desktop + phone), the user watches a live coder-agent pane read-only, then butt-ins with the right grant, types a message, detaches; agent session continues; audit log shows both.
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2. Dashboard reflects an agent crash within one heartbeat interval; PAUSE flip halts dispatch within one tick (AC-NS-5) from the UI.
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3. A user without butt-in grant can watch but cannot type (enforced server-side).
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## Non-goals
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- Replacing tmux as the session substrate (tmux remains the transport; web is a view).
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- Cross-host federation of the dashboard (rides the existing federation workstream later, per upstream note "Phase 5 rides federation").
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## Assumptions
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- ASSUMPTION: pty bridging terminates at the gateway on the fleet host (web1), not in `apps/web`; Next.js only speaks WebSocket to the gateway.
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- ASSUMPTION: the jarvis-brain dashboard's node-pty/xterm work (`dashboard/server/terminal.ts`) serves as reference implementation only; code is not ported wholesale into the multi-tenant product without the authz layer above.
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