STATE-WP-0069 T06: add workplan flow entity and prefer open_workplans

Introduce flows/workplan.yaml and /flows/workplan/* routes alongside the
legacy workstream flow. Dashboard, README, and MCP flow docs now prefer
open_workplans with open_workstreams fallback until dual-key retirement.

dashboard/src/data/summary.json.py

@@ -37,5 +37,6 @@ except urllib.error.URLError as e:
         "waiting_tasks": [],
         "blocked_tasks": [],
         "recent_progress": [],
+        "open_workplans": [],
         "open_workstreams": [],
     }))

dashboard/src/docs/dependencies.md

@@ -86,5 +86,5 @@ a cycle exists and the WHI is penalised by 50%. The WHI KPI card on the
 
 ## Data source
 
-Dependency edges are derived from the `depends_on` arrays on `open_workstreams`
+Dependency edges are derived from the `depends_on` arrays on `open_workplans`
 in `GET /state/summary`. Polls every **15 seconds**.

dashboard/src/index.md

@@ -437,7 +437,7 @@ display(html`<div class="grid grid-cols-3" style="gap:1rem;margin-bottom:1.5rem"
 
 ```js
 const waitingTasks = summary.waiting_tasks ?? summary.blocked_tasks ?? [];
-const wsById = Object.fromEntries((summary.open_workstreams ?? []).map(w => [w.id, w]));
+const wsById = Object.fromEntries((summary.open_workplans ?? summary.open_workstreams ?? []).map(w => [w.id, w]));
 const todayCount = (summary.recent_progress ?? []).filter(e =>
   e.created_at?.startsWith(new Date().toISOString().slice(0, 10))).length;
 const decCount = (decisions.open ?? 0) + (decisions.escalated ?? 0);

dashboard/src/workstreams.md

@@ -282,7 +282,7 @@ display(Plot.plot({
 display(_filtersForm);
 
 {
-  // Enrich each workplan with tasks/deps data from open_workstreams summary
+  // Enrich each workplan with tasks/deps data from open_workplans summary
   const _openWsMap = Object.fromEntries(openWs.map(w => [w.id, w]));
   const _wsTable = buildEntityTable(
     filtered,
@@ -304,7 +304,7 @@ display(_filtersForm);
 ## Dependencies
 
 ```js
-// Build dep cards from the enriched open_workstreams in the summary
+// Build dep cards from the enriched open_workplans in the summary
 const wsWithDeps = openWs.filter(w => {
   const domain = data.find(d => d.id === w.id)?.domain ?? "unknown";
   return (filters.domain.length === 0 || filters.domain.includes(domain)) &&