Complete workplan state model cleanup

dashboard/src/components/entity-modal.js

@@ -131,8 +131,12 @@ function _ensureStyles() {
 
 /* ── Style maps ──────────────────────────────────────────────────────────── */
 const _STATUS_STYLE = {
+  proposed:    "background:#fef3c7;color:#92400e",
+  ready:       "background:#e0f2fe;color:#075985",
   active:      "background:#d4edda;color:#155724",
   blocked:     "background:#f8d7da;color:#721c24",
+  backlog:     "background:#f1f5f9;color:#64748b",
+  finished:    "background:#cce5ff;color:#004085",
   completed:   "background:#cce5ff;color:#004085",
   archived:    "background:#e2e3e5;color:#383d41",
   open:        "background:#dbeafe;color:#1e40af",

dashboard/src/components/workplan-status.js

@@ -0,0 +1,45 @@
+export const WORKSTREAM_STATUSES = [
+  "proposed",
+  "ready",
+  "active",
+  "blocked",
+  "backlog",
+  "finished",
+  "archived",
+];
+
+export const OPEN_WORKSTREAM_STATUSES = ["ready", "active", "blocked"];
+export const CLOSED_WORKSTREAM_STATUSES = ["finished", "archived"];
+
+export const LEGACY_STATUS_ALIASES = {
+  todo: "ready",
+  done: "finished",
+  completed: "finished",
+  accepted: "finished",
+};
+
+export function normalizeWorkstreamStatus(status) {
+  const value = String(status ?? "").trim().toLowerCase();
+  return LEGACY_STATUS_ALIASES[value] ?? value;
+}
+
+export function isClosedWorkstream(status) {
+  return CLOSED_WORKSTREAM_STATUSES.includes(normalizeWorkstreamStatus(status));
+}
+
+export function isOpenWorkstream(status) {
+  return OPEN_WORKSTREAM_STATUSES.includes(normalizeWorkstreamStatus(status));
+}
+
+export function isStalledWorkstream(w, staleDays = 7) {
+  const staleAt = new Date(Date.now() - staleDays * 24 * 60 * 60 * 1000);
+  const openTasks = (w.todo ?? 0) + (w.in_progress ?? 0) + (w.blocked ?? 0);
+  return ["active", "blocked"].includes(normalizeWorkstreamStatus(w.status))
+    && new Date(w.updated_at) < staleAt
+    && (w.done ?? 0) > 0
+    && openTasks > 0;
+}
+
+export function needsReviewWorkstream(w) {
+  return Array.isArray(w.health_labels) && w.health_labels.includes("needs_review");
+}