railiance-fabric/docs/coordination-graph.md
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Qualify wait states in the coordination graph (CUST-WP-0074-T04)
Task nodes carry wait_kind (external | human | both | unqualified, null
unless wait): the hub field wins, otherwise derived from needs_human and
dependency edges (task-level depends_on, or a workplan dependency row whose
target the task cites). Workplan nodes carry blocked_kind (human | external
| none, null unless blocked). Task-level depends_on becomes a task ->
workplan/task depends_on edge; depends_on edges carry edge_kind commitment
(cyan #0891b2), human gates are marked on the node (humanGate, rose
#be123c). A needs_human=true query / "Needs human" toggle / --needs-human
flag keeps only blocked_kind=human workplans and their human-wait tasks;
the parameter survives in the shareable URL and mode switch like
include_residuals. Fabric stays a read of State Hub.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 237582@bnt-lap001
Assistant-Session: f2b3d9f1-8fb9-4b9c-bc2b-837ec5dfc826
2026-09-28 22:26:44 +02:00

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# Coordination graph (workplans and waits)
Repository files own workplans; State Hub indexes them. The Fabric explorer does not edit them. This view *projects*
open workplans and open tasks into the existing graph explorer so chokepoints
are inspectable.
```bash
# JSON payload (residuals omitted by default)
railiance-fabric export --format coordination --state-hub http://127.0.0.1:8000
# Include flavor=residual
railiance-fabric export --format coordination --include-residuals --state-hub http://127.0.0.1:8000
# UI (local registry server)
make graph-explorer
# then open
# http://127.0.0.1:8765/ui/graph-explorer?mode=coordination
# optional: &include_residuals=true
```
## Nodes
Open workplans (`proposed|ready|active|blocked|backlog`) and their open
tasks (`todo|progress|wait`).
`flavor: residual` workplans and their tasks are **omitted by default**.
Unspecified flavor stays visible. The word “residual” in a title is not a
flavor. The explorer checkbox / `include_residuals` query includes them
(parity with State Hub `include_residuals`).
Workplan nodes carry `flavor` / `nodeClass`
(`planning` | `implementation` | `refactoring` | `extension` | `residual` |
`unspecified`).
## Edges (precedence)
1. **Indexed `depends_on`** (`edgeSource: indexed`, `edgeType: depends_on`)
from State Hub workplan `depends_on` (and `/state/deps` when the list
endpoint does not yet carry the field). These do not require a wait note.
2. **Citation `waits_on`** (`edgeSource: citation`) when a wait/human task
cites another workplan id in its prose **and** no indexed `depends_on`
already exists for that pair. Fallback for files not yet backfilled
(`CUST-WP-0072`). Never the reverse: citations do not replace indexed
edges.
3. **`belongs_to`** task → workplan.
Chokepoint size is in-degree of **visible** (by default: non-residual)
workplan nodes from `depends_on` and remaining `waits_on` edges.
Solid blue = indexed `depends_on`. Dashed amber = citation `waits_on`.
## Qualified waits (CUST-WP-0074)
Open task nodes carry `wait_kind` (`external` | `human` | `both` |
`unqualified`, null unless `status: wait`). The hub's `wait_kind` field wins
when present; otherwise `needs_human: true` → `human`, a dependency edge
(task-level `depends_on`, or a workplan dependency row whose target the task
cites) → `external`, both → `both`, neither → `unqualified`. Workplan nodes
carry `blocked_kind` (`human` when any wait task is a human gate, else
`external`, else `none`; null unless `status: blocked`).
Task-level `depends_on` becomes a task → workplan/task `depends_on` edge
(`edgeSource: task`). All `depends_on` edges carry `edge_kind: commitment`
(cyan `#0891b2`); citation edges carry `edge_kind: citation`. Human gates have
no edge target, so the marker is on the node: `humanGate: true`, rose
`#be123c` (`WAIT_KIND_COLORS` in `coordination_graph.py`).
The **Needs human** checkbox / `needs_human=true` query (CLI `--needs-human`)
keeps only `blocked_kind: human` workplans and their human-wait tasks — the
operator's queue. It survives in the shareable URL like `include_residuals`.
## Switching views
The mode selector switches between topology and coordination in the same page.
Residual visibility refreshes the coordination payload and is retained in the
shareable URL. A failed refresh leaves the prior graph visible and shows an
error; an empty result can still be switched back to topology. Graph-specific
rules, selection, and zone placement reset when replacing the dataset.
The registry route is available locally. Hosted acceptance remains blocked by
RAIL-FAB-WP-0028's runtime, persistence, access, and deployment decisions; this
UI change does not establish a production authority.