feat: jerarquía, vínculos y suscriptores en el detalle (Fase 3)

src/lib/seed.ts

@@ -113,6 +113,7 @@ export const issues: Issue[] = [
     assigneeId: "u1",
     projectId: "p1",
     cycleId: "c3",
+    parentId: null,
     labelIds: ["l2"],
     createdAt: "2026-10-01T09:15:00Z",
     updatedAt: "2026-10-12T15:40:00Z",
@@ -129,6 +130,7 @@ export const issues: Issue[] = [
     assigneeId: "u2",
     projectId: "p1",
     cycleId: "c3",
+    parentId: null,
     labelIds: ["l1", "l4"],
     createdAt: "2026-10-03T11:00:00Z",
     updatedAt: "2026-10-10T08:20:00Z",
@@ -145,6 +147,7 @@ export const issues: Issue[] = [
     assigneeId: "u4",
     projectId: "p1",
     cycleId: "c3",
+    parentId: null,
     labelIds: ["l3"],
     createdAt: "2026-09-28T14:30:00Z",
     updatedAt: "2026-10-11T17:05:00Z",
@@ -161,6 +164,7 @@ export const issues: Issue[] = [
     assigneeId: "u3",
     projectId: "p1",
     cycleId: "c3",
+    parentId: null,
     labelIds: ["l2"],
     createdAt: "2026-09-20T10:00:00Z",
     updatedAt: "2026-10-08T12:00:00Z",
@@ -177,6 +181,7 @@ export const issues: Issue[] = [
     assigneeId: null,
     projectId: "p2",
     cycleId: null,
+    parentId: null,
     labelIds: ["l1", "l3"],
     createdAt: "2026-10-06T09:00:00Z",
     updatedAt: "2026-10-06T09:00:00Z",
@@ -193,6 +198,7 @@ export const issues: Issue[] = [
     assigneeId: "u1",
     projectId: "p2",
     cycleId: "c4",
+    parentId: "i5",
     labelIds: ["l2"],
     createdAt: "2026-10-07T16:45:00Z",
     updatedAt: "2026-10-09T10:10:00Z",
@@ -209,6 +215,7 @@ export const issues: Issue[] = [
     assigneeId: "u3",
     projectId: "p3",
     cycleId: "c2",
+    parentId: null,
     labelIds: ["l5"],
     createdAt: "2026-08-15T13:20:00Z",
     updatedAt: "2026-09-30T09:00:00Z",
@@ -225,6 +232,7 @@ export const issues: Issue[] = [
     assigneeId: "u2",
     projectId: "p1",
     cycleId: "c4",
+    parentId: null,
     labelIds: ["l5"],
     createdAt: "2026-10-09T08:00:00Z",
     updatedAt: "2026-10-09T08:00:00Z",