diff --git a/docs/product/Kairo_Corrected_MVP_Roadmap_v0.2.md b/docs/product/Kairo_Corrected_MVP_Roadmap_v0.2.md
index 1f379b8..e02eb97 100644
--- a/docs/product/Kairo_Corrected_MVP_Roadmap_v0.2.md
+++ b/docs/product/Kairo_Corrected_MVP_Roadmap_v0.2.md
@@ -128,7 +128,7 @@ Phase H2 PM Work Modes AP1.9                     ✓ 9a / → 9b–9e
 Phase H3 Plan Outline AP1.12 + AP1.10            ◐ 12a–d, 10c
 Phase I  Gate-Graph AP1.13 + AP1.15               ◐ 13a/b, 15a–c
 Phase I2 Plan/Ist Snapshots AP1.14               ✓
-Phase I3 Execution-Plan AP1.16                   ◐ 16a–b Code, 16c–d offen
+Phase I3 Execution-Plan AP1.16                   ◐ 16a–b ✓ / 16c UI / 16d offen
 Phase J  Portfolio AP1.8                         ◐ 8a ✓ / 8b deferred
 Phase K  Archetyp-Steuerung AP2.0                ◐ 2.0a–c ✓ / → 2.0d–f
 Phase L  Agent Interface AP1.7                     ○
diff --git a/docs/product/Kairo_Implementation_Truth_Table_v0.1.md b/docs/product/Kairo_Implementation_Truth_Table_v0.1.md
index 149c16a..3eb417b 100644
--- a/docs/product/Kairo_Implementation_Truth_Table_v0.1.md
+++ b/docs/product/Kairo_Implementation_Truth_Table_v0.1.md
@@ -115,7 +115,7 @@ Verhindert, dass Zielbild-Dokumente als Ist-Stand gelesen werden.
 | Gate Dependencies pflegen | ◐ | AP1.13b Detail |
 | Zielzustands-Designer | ◐ | AP1.15a–c; OR deferred |
 | Plan-Outline | ◐ | AP1.12a–d: Baum, Modal, Reorder, Actions; AP-Kanten AP1.16c offen |
-| Execution-Plan (AP-Graph) | ✗ | 📄 AP1.16; Outline „Arbeit“, nicht Gate-Designer |
+| Execution-Plan (AP-Graph) | ◐ | AP1.16c: Outline + Arbeit-Liste + Action-Detail |
 | Profil-Modal (Archetyp/EFS) | ◐ | AP1.10c |
 | Modal-Bearbeitung (Gates/Profil) | ◐ | viele Sektionen noch Inline-CRUD |
 | Admin-UI | ✗ | |
diff --git a/frontend/src/api/executionPlan.js b/frontend/src/api/executionPlan.js
new file mode 100644
index 0000000..d0f387e
--- /dev/null
+++ b/frontend/src/api/executionPlan.js
@@ -0,0 +1,29 @@
+import { apiFetch } from './client.js'
+
+export function getInitiativeExecutionGraphState(initiativeId, { scopeRoadmapItemId } = {}) {
+  const params = new URLSearchParams()
+  if (scopeRoadmapItemId) {
+    params.set('scope_roadmap_item_id', scopeRoadmapItemId)
+  }
+  const query = params.toString()
+  const suffix = query ? `?${query}` : ''
+  return apiFetch(`/api/initiatives/${initiativeId}/execution/graph-state${suffix}`)
+}
+
+export function listInitiativeActionDependencies(initiativeId) {
+  return apiFetch(`/api/initiatives/${initiativeId}/execution/dependencies`)
+}
+
+export function createInitiativeActionDependency(initiativeId, payload) {
+  return apiFetch(`/api/initiatives/${initiativeId}/execution/dependencies`, {
+    method: 'POST',
+    body: JSON.stringify(payload),
+  })
+}
+
+export function deleteInitiativeActionDependency(initiativeId, dependencyId) {
+  return apiFetch(
+    `/api/initiatives/${initiativeId}/execution/dependencies/${dependencyId}`,
+    { method: 'DELETE' },
+  )
+}
diff --git a/frontend/src/components/ActionDependenciesSection.jsx b/frontend/src/components/ActionDependenciesSection.jsx
new file mode 100644
index 0000000..8829fed
--- /dev/null
+++ b/frontend/src/components/ActionDependenciesSection.jsx
@@ -0,0 +1,225 @@
+import { useCallback, useEffect, useMemo, useState } from 'react'
+import { Link } from 'react-router-dom'
+import {
+  createInitiativeActionDependency,
+  deleteInitiativeActionDependency,
+  listInitiativeActionDependencies,
+} from '../api/executionPlan.js'
+import { actionPath } from '../utils/routes.js'
+import { dependenciesForAction } from '../utils/executionGraph.js'
+import { DependencyKindLabel, ExecutionFlowBadge } from './ExecutionFlowBadge.jsx'
+import { EmptyState } from './EmptyState.jsx'
+
+const DEP_KIND_OPTIONS = [
+  { value: 'requires', label: 'Benötigt (Vorgänger done)' },
+  { value: 'blocks', label: 'Blockiert solange offen' },
+  { value: 'relates', label: 'Bezug (kein Block)' },
+]
+
+export function ActionDependenciesSection({
+  initiativeId,
+  action,
+  actions = [],
+  graphState = null,
+  canManage = false,
+}) {
+  const [dependencies, setDependencies] = useState([])
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState(null)
+  const [busy, setBusy] = useState(false)
+  const [predecessorId, setPredecessorId] = useState('')
+  const [dependencyKind, setDependencyKind] = useState('requires')
+
+  const actionById = useMemo(
+    () => Object.fromEntries(actions.map((item) => [item.id, item])),
+    [actions],
+  )
+
+  const load = useCallback(async () => {
+    if (!initiativeId) return
+    setLoading(true)
+    setError(null)
+    try {
+      const rows = await listInitiativeActionDependencies(initiativeId)
+      setDependencies(Array.isArray(rows) ? rows : [])
+    } catch (err) {
+      setError(err.message)
+      setDependencies([])
+    } finally {
+      setLoading(false)
+    }
+  }, [initiativeId])
+
+  useEffect(() => {
+    load()
+  }, [load])
+
+  const { predecessors, successors } = useMemo(
+    () => dependenciesForAction(dependencies, action.id),
+    [dependencies, action.id],
+  )
+
+  const candidatePredecessors = useMemo(() => {
+    const existingPreds = new Set(predecessors.map((dep) => dep.predecessor_action_id))
+    return actions.filter(
+      (item) =>
+        item.id !== action.id &&
+        !existingPreds.has(item.id) &&
+        item.status !== 'discarded',
+    )
+  }, [actions, action.id, predecessors])
+
+  const executionMeta = graphState?.items?.[action.id] || null
+
+  async function handleAdd(e) {
+    e.preventDefault()
+    if (!predecessorId || !canManage) return
+    setBusy(true)
+    setError(null)
+    try {
+      await createInitiativeActionDependency(initiativeId, {
+        predecessor_action_id: predecessorId,
+        successor_action_id: action.id,
+        dependency_kind: dependencyKind,
+      })
+      setPredecessorId('')
+      setDependencyKind('requires')
+      await load()
+    } catch (err) {
+      setError(err.message)
+    } finally {
+      setBusy(false)
+    }
+  }
+
+  async function handleRemove(dependencyId) {
+    if (!canManage) return
+    setBusy(true)
+    setError(null)
+    try {
+      await deleteInitiativeActionDependency(initiativeId, dependencyId)
+      await load()
+    } catch (err) {
+      setError(err.message)
+    } finally {
+      setBusy(false)
+    }
+  }
+
+  return (
+    <section className="card action-dependencies-section">
+      <div className="section-header">
+        <div>
+          <h3>Durchführungsplan</h3>
+          <p className="section-lead muted">
+            Vorgänger und Nachfolger — getrennt vom Zielzustands-Graph.
+          </p>
+        </div>
+        <ExecutionFlowBadge meta={executionMeta} actionStatus={action.status} />
+      </div>
+
+      {error && <p className="error">{error}</p>}
+      {loading && <p className="muted">Lade Abhängigkeiten …</p>}
+
+      {!loading && (
+        <>
+          <div className="action-dependencies-section__block">
+            <h4 className="action-dependencies-section__subtitle">Vorgänger</h4>
+            {predecessors.length === 0 ? (
+              <EmptyState message="Keine Vorgänger — Arbeitspaket ist unabhängig oder nutzt sort_order." />
+            ) : (
+              <ul className="item-list">
+                {predecessors.map((dep) => {
+                  const pred = actionById[dep.predecessor_action_id]
+                  return (
+                    <li key={dep.id} className="list-item card-list-item">
+                      <div className="list-item-main">
+                        <Link to={actionPath(dep.predecessor_action_id)}>
+                          <strong>{pred?.title || dep.predecessor_action_id.slice(0, 8)}</strong>
+                        </Link>
+                        <p className="list-item-sub muted">
+                          <DependencyKindLabel kind={dep.dependency_kind} />
+                        </p>
+                      </div>
+                      {canManage && (
+                        <button
+                          type="button"
+                          className="btn btn-secondary btn-sm"
+                          disabled={busy}
+                          onClick={() => handleRemove(dep.id)}
+                        >
+                          Entfernen
+                        </button>
+                      )}
+                    </li>
+                  )
+                })}
+              </ul>
+            )}
+          </div>
+
+          <div className="action-dependencies-section__block">
+            <h4 className="action-dependencies-section__subtitle">Nachfolger</h4>
+            {successors.length === 0 ? (
+              <p className="muted">Keine Nachfolger.</p>
+            ) : (
+              <ul className="item-list">
+                {successors.map((dep) => {
+                  const succ = actionById[dep.successor_action_id]
+                  return (
+                    <li key={dep.id} className="list-item card-list-item">
+                      <Link to={actionPath(dep.successor_action_id)}>
+                        <strong>{succ?.title || dep.successor_action_id.slice(0, 8)}</strong>
+                      </Link>
+                      <span className="muted"> — </span>
+                      <DependencyKindLabel kind={dep.dependency_kind} />
+                    </li>
+                  )
+                })}
+              </ul>
+            )}
+          </div>
+
+          {canManage && candidatePredecessors.length > 0 && (
+            <form className="form action-dependencies-section__form" onSubmit={handleAdd}>
+              <h4 className="action-dependencies-section__subtitle">Vorgänger hinzufügen</h4>
+              <label>
+                Arbeitspaket
+                <select
+                  value={predecessorId}
+                  onChange={(e) => setPredecessorId(e.target.value)}
+                  required
+                >
+                  <option value="">— wählen —</option>
+                  {candidatePredecessors.map((item) => (
+                    <option key={item.id} value={item.id}>
+                      {item.title}
+                    </option>
+                  ))}
+                </select>
+              </label>
+              <label>
+                Art
+                <select
+                  value={dependencyKind}
+                  onChange={(e) => setDependencyKind(e.target.value)}
+                >
+                  {DEP_KIND_OPTIONS.map((opt) => (
+                    <option key={opt.value} value={opt.value}>
+                      {opt.label}
+                    </option>
+                  ))}
+                </select>
+              </label>
+              <div className="form-actions">
+                <button type="submit" className="btn btn-primary" disabled={busy || !predecessorId}>
+                  Hinzufügen
+                </button>
+              </div>
+            </form>
+          )}
+        </>
+      )}
+    </section>
+  )
+}
diff --git a/frontend/src/components/ExecutionFlowBadge.jsx b/frontend/src/components/ExecutionFlowBadge.jsx
new file mode 100644
index 0000000..264a5d4
--- /dev/null
+++ b/frontend/src/components/ExecutionFlowBadge.jsx
@@ -0,0 +1,31 @@
+const KIND_LABELS = {
+  requires: 'benötigt',
+  blocks: 'blockiert',
+  relates: 'bezogen',
+}
+
+export function ExecutionFlowBadge({ meta, actionStatus }) {
+  if (!meta) return null
+  if (actionStatus === 'done' || actionStatus === 'discarded') {
+    return null
+  }
+  if (meta.blocked) {
+    return (
+      <span className="badge execution-flow-badge execution-flow-badge--blocked" title="Vorgänger offen">
+        Wartet
+      </span>
+    )
+  }
+  if (meta.ready) {
+    return (
+      <span className="badge execution-flow-badge execution-flow-badge--ready" title="Keine offenen Vorgänger">
+        Bereit
+      </span>
+    )
+  }
+  return null
+}
+
+export function DependencyKindLabel({ kind }) {
+  return <span className="muted">{KIND_LABELS[kind] || kind}</span>
+}
diff --git a/frontend/src/components/PlanActionsSection.jsx b/frontend/src/components/PlanActionsSection.jsx
index 6379b8f..92d7d56 100644
--- a/frontend/src/components/PlanActionsSection.jsx
+++ b/frontend/src/components/PlanActionsSection.jsx
@@ -9,6 +9,12 @@ import { ActionTaskPanel } from './ActionTaskPanel.jsx'
 import { gateTitleById } from './GateSelect.jsx'
 import { buildProjectPath, collectProjectSubtreeIds } from '../utils/projectTree.js'
 import { actionPath } from '../utils/routes.js'
+import {
+  formatBlockedByTitles,
+  getActionExecutionMeta,
+  sortActionsForExecutionPlan,
+} from '../utils/executionGraph.js'
+import { ExecutionFlowBadge } from './ExecutionFlowBadge.jsx'
 
 function formatProjectContext(projects, projectId) {
   if (!projectId) return 'Direkt am Vorhaben'
@@ -31,6 +37,7 @@ export function PlanActionsSection({
   actorsUsedFallback,
   onReloadActors,
   busy,
+  executionGraph = null,
 }) {
   const [showCreate, setShowCreate] = useState(false)
   const [expandedActions, setExpandedActions] = useState(() => new Set())
@@ -45,16 +52,7 @@ export function PlanActionsSection({
       list = list.filter((a) => a.project_id && subtreeIds.has(a.project_id))
     }
 
-    return list.sort((a, b) => {
-      const projectA = a.project_id || ''
-      const projectB = b.project_id || ''
-      if (projectA !== projectB) {
-        if (!projectA) return -1
-        if (!projectB) return 1
-        return projectA.localeCompare(projectB)
-      }
-      return (a.title || '').localeCompare(b.title || '')
-    })
+    return sortActionsForExecutionPlan(list)
   }, [actions, hideDone, scopeProjectId, projects])
 
   async function handleCreate(payload) {
@@ -112,13 +110,25 @@ export function PlanActionsSection({
       )}
 
       <ul className="item-list plan-actions-list">
-        {visibleActions.map((action) => (
+        {visibleActions.map((action) => {
+          const execMeta = getActionExecutionMeta(executionGraph, action.id)
+          const blockedHint =
+            execMeta?.blocked_by?.length > 0
+              ? formatBlockedByTitles(actions, execMeta.blocked_by)
+              : null
+
+          return (
           <li key={action.id} className="list-item card-list-item plan-actions-list__item">
             <div className="plan-actions-list__header">
               <div className="list-item-main">
                 <Link to={actionPath(action.id)} className="plan-actions-list__title">
                   <strong>{action.title}</strong>
                 </Link>
+                {action.action_kind === 'planning' && (
+                  <span className="badge execution-flow-badge execution-flow-badge--planning">
+                    Planung
+                  </span>
+                )}
                 <p className="list-item-sub muted">
                   {formatProjectContext(projects, action.project_id)}
                 </p>
@@ -127,11 +137,15 @@ export function PlanActionsSection({
                     Gate: {gateTitleById(roadmapItems, action.roadmap_item_id)}
                   </p>
                 )}
+                {blockedHint && (
+                  <p className="list-item-sub muted">Wartet auf: {blockedHint}</p>
+                )}
                 {action.description && (
                   <p className="list-item-desc">{action.description}</p>
                 )}
               </div>
               <div className="list-item-meta action-controls">
+                <ExecutionFlowBadge meta={execMeta} actionStatus={action.status} />
                 <StatusBadge kind="action" status={action.status} />
                 <PriorityBadge priority={action.priority} />
                 <Link to={actionPath(action.id)} className="btn btn-secondary btn-sm">
@@ -147,7 +161,8 @@ export function PlanActionsSection({
               onToggle={() => toggleActionTasks(action.id)}
             />
           </li>
-        ))}
+          )
+        })}
       </ul>
 
       <Modal open={showCreate} title="Arbeitspaket anlegen" onClose={() => setShowCreate(false)} size="lg">
diff --git a/frontend/src/components/PlanOutlineNav.jsx b/frontend/src/components/PlanOutlineNav.jsx
index 404841c..fe24c54 100644
--- a/frontend/src/components/PlanOutlineNav.jsx
+++ b/frontend/src/components/PlanOutlineNav.jsx
@@ -3,6 +3,7 @@ import { useEffect, useMemo, useState } from 'react'
 import { listInitiativeProjects } from '../api/projects.js'
 import { listInitiativeActions } from '../api/initiatives.js'
 import { listInitiativeBacklog } from '../api/backlog.js'
+import { getInitiativeExecutionGraphState } from '../api/executionPlan.js'
 import { useProgramScope } from '../context/ProgramScopeContext.jsx'
 import { buildProjectsByParent } from '../utils/projectTree.js'
 import { projectPath } from '../utils/routes.js'
@@ -58,6 +59,7 @@ export function PlanOutlineNav() {
   const [counts, setCounts] = useState({ inbox: null, work: null })
   const [projects, setProjects] = useState([])
   const [openActions, setOpenActions] = useState([])
+  const [executionGraph, setExecutionGraph] = useState(null)
   const [structureOpen, setStructureOpen] = useState(
     activeKey === 'structure' || Boolean(activeProjectId),
   )
@@ -100,12 +102,14 @@ export function PlanOutlineNav() {
     Promise.all([
       listInitiativeBacklog(initiativeId).catch(() => []),
       listInitiativeActions(initiativeId).catch(() => []),
-    ]).then(([backlog, actions]) => {
+      getInitiativeExecutionGraphState(initiativeId).catch(() => null),
+    ]).then(([backlog, actions, graphState]) => {
       if (cancelled) return
       const open = actions.filter(
         (action) => action.status !== 'done' && action.status !== 'discarded',
       )
       setOpenActions(open)
+      setExecutionGraph(graphState)
       setCounts({
         inbox: backlog.filter((item) => item.status !== 'converted').length,
         work: open.length,
@@ -222,6 +226,7 @@ export function PlanOutlineNav() {
                   openActions={openActions}
                   activeActionId={activeActionId}
                   enabled={workOpen}
+                  executionGraph={executionGraph}
                 />
               )}
             </li>
diff --git a/frontend/src/components/PlanOutlineWorkTree.jsx b/frontend/src/components/PlanOutlineWorkTree.jsx
index be085c1..3aee374 100644
--- a/frontend/src/components/PlanOutlineWorkTree.jsx
+++ b/frontend/src/components/PlanOutlineWorkTree.jsx
@@ -3,6 +3,8 @@ import { NavLink } from 'react-router-dom'
 import { listActionTasks } from '../api/tasks.js'
 import { actionPath } from '../utils/routes.js'
 import { buildTasksByParent, countOpenTasks, MAX_TASK_UI_DEPTH } from '../utils/taskTree.js'
+import { getActionExecutionMeta } from '../utils/executionGraph.js'
+import { ExecutionFlowBadge } from './ExecutionFlowBadge.jsx'
 
 function actionTasksHref(actionId) {
   return `${actionPath(actionId)}#tasks`
@@ -80,7 +82,7 @@ function PlanOutlineTaskTree({
   )
 }
 
-function PlanOutlineActionNode({ action, tasks, activeActionId, defaultExpanded }) {
+function PlanOutlineActionNode({ action, tasks, activeActionId, defaultExpanded, executionGraph }) {
   const [actionOpen, setActionOpen] = useState(defaultExpanded)
   const [expandedTaskIds, setExpandedTaskIds] = useState(() => new Set())
 
@@ -101,6 +103,8 @@ function PlanOutlineActionNode({ action, tasks, activeActionId, defaultExpanded
     })
   }
 
+  const execMeta = getActionExecutionMeta(executionGraph, action.id)
+
   return (
     <li>
       <div className="analysis-split__nav-row">
@@ -129,6 +133,7 @@ function PlanOutlineActionNode({ action, tasks, activeActionId, defaultExpanded
             <span className="analysis-split__nav-meta"> ({openTaskCount})</span>
           )}
         </NavLink>
+        <ExecutionFlowBadge meta={execMeta} actionStatus={action.status} />
       </div>
       {hasOpenTasks && actionOpen && (
         <PlanOutlineTaskTree
@@ -145,7 +150,7 @@ function PlanOutlineActionNode({ action, tasks, activeActionId, defaultExpanded
   )
 }
 
-export function PlanOutlineWorkTree({ openActions, activeActionId, enabled }) {
+export function PlanOutlineWorkTree({ openActions, activeActionId, enabled, executionGraph = null }) {
   const [tasksByAction, setTasksByAction] = useState({})
   const actionIdsKey = useMemo(
     () => openActions.map((action) => action.id).join(','),
@@ -181,6 +186,7 @@ export function PlanOutlineWorkTree({ openActions, activeActionId, enabled }) {
           tasks={tasksByAction[action.id] || []}
           activeActionId={activeActionId}
           defaultExpanded={activeActionId === action.id}
+          executionGraph={executionGraph}
         />
       ))}
     </ul>
diff --git a/frontend/src/components/PlanningDebtBanner.jsx b/frontend/src/components/PlanningDebtBanner.jsx
new file mode 100644
index 0000000..16b7c08
--- /dev/null
+++ b/frontend/src/components/PlanningDebtBanner.jsx
@@ -0,0 +1,27 @@
+import { Link } from 'react-router-dom'
+
+export function PlanningDebtBanner({ planningDebt, hrefWithScope }) {
+  if (!planningDebt?.length || !hrefWithScope) {
+    return null
+  }
+
+  return (
+    <div className="planning-debt-banner" role="status">
+      <p className="planning-debt-banner__title">Planung ausstehend</p>
+      <ul className="planning-debt-banner__list">
+        {planningDebt.map((item) => (
+          <li key={item.roadmap_item_id}>
+            <strong>{item.title || 'Zielzustand'}</strong>
+            <span className="muted"> — {item.message || 'Durchführungsplan fehlt'}</span>
+          </li>
+        ))}
+      </ul>
+      <p className="muted planning-debt-banner__hint">
+        Lege Arbeitspakete unter dem aktiven Gate an —{' '}
+        <Link to={hrefWithScope('/plan/gates')}>Zielzustände</Link>
+        {' · '}
+        <Link to={hrefWithScope('/plan/work')}>Arbeit</Link>
+      </p>
+    </div>
+  )
+}
diff --git a/frontend/src/pages/ActionDetailPage.jsx b/frontend/src/pages/ActionDetailPage.jsx
index d6d3fb5..037938f 100644
--- a/frontend/src/pages/ActionDetailPage.jsx
+++ b/frontend/src/pages/ActionDetailPage.jsx
@@ -1,12 +1,17 @@
 import { useCallback, useEffect, useState } from 'react'
 import { Link, useParams } from 'react-router-dom'
 import { getAction } from '../api/actions.js'
-import { getInitiativeSteeringSnapshot } from '../api/initiatives.js'
+import {
+  getInitiativeSteeringSnapshot,
+  listInitiativeActions,
+} from '../api/initiatives.js'
+import { getInitiativeExecutionGraphState } from '../api/executionPlan.js'
 import { listInitiativeProjects } from '../api/projects.js'
 import { listInitiativeRoadmapItems } from '../api/roadmap.js'
 import { updateAction, setActionAssignments } from '../api/actions.js'
 import { createInitiativeBlocker } from '../api/blockers.js'
 import { ActionHubCard } from '../components/ActionHubCard.jsx'
+import { ActionDependenciesSection } from '../components/ActionDependenciesSection.jsx'
 import { ActionForm } from '../components/ActionForm.jsx'
 import { TasksSection } from '../components/TasksSection.jsx'
 import { ErrorState } from '../components/ErrorState.jsx'
@@ -32,6 +37,8 @@ function ActionDetailBody({
   actorsState,
   projects = [],
   roadmapItems = [],
+  allActions = [],
+  executionGraph = null,
 }) {
   if (editing) {
     return (
@@ -78,6 +85,13 @@ function ActionDetailBody({
         canManage={capabilities.has('kairo.action.manage')}
         roadmapItems={roadmapItems}
       />
+      <ActionDependenciesSection
+        initiativeId={action.initiative_id}
+        action={action}
+        actions={allActions}
+        graphState={executionGraph}
+        canManage={capabilities.has('kairo.action.manage')}
+      />
     </>
   )
 }
@@ -90,6 +104,8 @@ function ActionDetailStandalone() {
   const [action, setAction] = useState(null)
   const [projects, setProjects] = useState([])
   const [roadmapItems, setRoadmapItems] = useState([])
+  const [allActions, setAllActions] = useState([])
+  const [executionGraph, setExecutionGraph] = useState(null)
   const [context, setContext] = useState(null)
   const [loading, setLoading] = useState(true)
   const [error, setError] = useState(null)
@@ -110,13 +126,17 @@ function ActionDetailStandalone() {
         href: actionPath(actionData.id),
         initiativeId: actionData.initiative_id,
       })
-      const [snap, projectData, roadmapData] = await Promise.all([
+      const [snap, projectData, roadmapData, actionList, graphState] = await Promise.all([
         getInitiativeSteeringSnapshot(actionData.initiative_id),
         listInitiativeProjects(actionData.initiative_id).catch(() => []),
         listInitiativeRoadmapItems(actionData.initiative_id).catch(() => []),
+        listInitiativeActions(actionData.initiative_id).catch(() => []),
+        getInitiativeExecutionGraphState(actionData.initiative_id).catch(() => null),
       ])
       setProjects(projectData)
       setRoadmapItems(roadmapData)
+      setAllActions(Array.isArray(actionList) ? actionList : [])
+      setExecutionGraph(graphState)
       setContext((snap.actions || []).find((a) => a.id === actionId) || null)
     } catch (err) {
       setError(err.message)
@@ -232,6 +252,8 @@ function ActionDetailStandalone() {
           actorsState={actorsState}
           projects={projects}
           roadmapItems={roadmapItems}
+          allActions={allActions}
+          executionGraph={executionGraph}
         />
       </section>
     </div>
@@ -244,6 +266,25 @@ function ActionDetailNested() {
   const action = ops.actions.find((a) => a.id === actionId)
   const context = ops.actionContextById[actionId]
   const [editing, setEditing] = useState(false)
+  const [executionGraph, setExecutionGraph] = useState(null)
+
+  useEffect(() => {
+    if (!ops.initiativeId) {
+      setExecutionGraph(null)
+      return undefined
+    }
+    let cancelled = false
+    getInitiativeExecutionGraphState(ops.initiativeId)
+      .then((state) => {
+        if (!cancelled) setExecutionGraph(state)
+      })
+      .catch(() => {
+        if (!cancelled) setExecutionGraph(null)
+      })
+    return () => {
+      cancelled = true
+    }
+  }, [ops.initiativeId, ops.actions.length])
 
   if (!action) {
     return <ErrorState message="Arbeitspaket nicht in diesem Vorhaben." onRetry={ops.reload} />
@@ -274,6 +315,8 @@ function ActionDetailNested() {
         }}
         projects={ops.projects}
         roadmapItems={ops.roadmapItems}
+        allActions={ops.actions}
+        executionGraph={executionGraph}
       />
     </section>
   )
diff --git a/frontend/src/pages/modes/PlanWorkPage.jsx b/frontend/src/pages/modes/PlanWorkPage.jsx
index abd88f6..a6dc21c 100644
--- a/frontend/src/pages/modes/PlanWorkPage.jsx
+++ b/frontend/src/pages/modes/PlanWorkPage.jsx
@@ -1,13 +1,17 @@
 import { RequireInitiativeScope } from '../../components/RequireInitiativeScope.jsx'
 import { ScopedInitiativeProvider } from '../../layout/ScopedInitiativeProvider.jsx'
 import { PlanActionsSection } from '../../components/PlanActionsSection.jsx'
+import { PlanningDebtBanner } from '../../components/PlanningDebtBanner.jsx'
 import { LoadingState } from '../../components/LoadingState.jsx'
 import { useInitiativeOperations } from '../../context/InitiativeOperationsContext.jsx'
 import { useProgramScope } from '../../context/ProgramScopeContext.jsx'
+import { useEffect, useState } from 'react'
+import { getInitiativeExecutionGraphState } from '../../api/executionPlan.js'
 
 function PlanWorkInner() {
   const ops = useInitiativeOperations()
-  const { projectId: scopeProjectId } = useProgramScope()
+  const { initiativeId, projectId: scopeProjectId, hrefWithScope } = useProgramScope()
+  const [executionGraph, setExecutionGraph] = useState(null)
   const {
     actions,
     projects,
@@ -26,6 +30,24 @@ function PlanWorkInner() {
     handleCreateAction,
   } = ops
 
+  useEffect(() => {
+    if (!initiativeId) {
+      setExecutionGraph(null)
+      return undefined
+    }
+    let cancelled = false
+    getInitiativeExecutionGraphState(initiativeId)
+      .then((state) => {
+        if (!cancelled) setExecutionGraph(state)
+      })
+      .catch(() => {
+        if (!cancelled) setExecutionGraph(null)
+      })
+    return () => {
+      cancelled = true
+    }
+  }, [initiativeId, actions.length])
+
   if (loading) {
     return <LoadingState message="Lade Arbeitspakete …" />
   }
@@ -33,6 +55,10 @@ function PlanWorkInner() {
   return (
     <>
       {error && <p className="error">{error}</p>}
+      <PlanningDebtBanner
+        planningDebt={executionGraph?.planning_debt}
+        hrefWithScope={hrefWithScope}
+      />
       <PlanActionsSection
         actions={actions}
         projects={projects}
@@ -48,6 +74,7 @@ function PlanWorkInner() {
         actorsUsedFallback={actorsUsedFallback}
         onReloadActors={reloadActors}
         busy={formBusy}
+        executionGraph={executionGraph}
       />
     </>
   )
diff --git a/frontend/src/styles/program-chrome.css b/frontend/src/styles/program-chrome.css
index 02d426b..d1bd38f 100644
--- a/frontend/src/styles/program-chrome.css
+++ b/frontend/src/styles/program-chrome.css
@@ -486,6 +486,70 @@
   gap: 12px;
 }
 
+.execution-flow-badge {
+  font-size: 11px;
+  font-weight: 600;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+}
+
+.execution-flow-badge--ready {
+  background: color-mix(in srgb, var(--jk-success, #059669) 15%, transparent);
+  color: var(--jk-success, #059669);
+}
+
+.execution-flow-badge--blocked {
+  background: color-mix(in srgb, var(--jk-warning, #d97706) 15%, transparent);
+  color: var(--jk-warning, #d97706);
+}
+
+.execution-flow-badge--planning {
+  background: color-mix(in srgb, var(--jk-primary, #2563eb) 12%, transparent);
+  color: var(--jk-primary, #2563eb);
+}
+
+.analysis-split__nav-row .execution-flow-badge {
+  margin-left: 4px;
+  flex-shrink: 0;
+}
+
+.planning-debt-banner {
+  margin-bottom: 16px;
+  padding: 12px 14px;
+  border: 1px solid color-mix(in srgb, var(--jk-warning, #d97706) 35%, transparent);
+  border-radius: 8px;
+  background: color-mix(in srgb, var(--jk-warning, #d97706) 8%, transparent);
+}
+
+.planning-debt-banner__title {
+  margin: 0 0 8px;
+  font-weight: 600;
+}
+
+.planning-debt-banner__list {
+  margin: 0 0 8px;
+  padding-left: 18px;
+}
+
+.action-dependencies-section {
+  margin-top: 16px;
+}
+
+.action-dependencies-section__block + .action-dependencies-section__block {
+  margin-top: 16px;
+}
+
+.action-dependencies-section__subtitle {
+  margin: 0 0 8px;
+  font-size: 14px;
+}
+
+.action-dependencies-section__form {
+  margin-top: 16px;
+  padding-top: 16px;
+  border-top: 1px solid var(--jk-border-subtle, #e5e7eb);
+}
+
 .action-task-panel {
   margin-top: 12px;
   padding-top: 12px;
diff --git a/frontend/src/utils/executionGraph.js b/frontend/src/utils/executionGraph.js
new file mode 100644
index 0000000..246e1b2
--- /dev/null
+++ b/frontend/src/utils/executionGraph.js
@@ -0,0 +1,46 @@
+/** @typedef {import('../api/executionPlan.js').*} ExecutionPlanApi */
+
+/**
+ * @param {Record<string, unknown>|null|undefined} graphState
+ * @param {string} actionId
+ */
+export function getActionExecutionMeta(graphState, actionId) {
+  if (!graphState?.items || !actionId) return null
+  return graphState.items[actionId] || null
+}
+
+/**
+ * @param {Array<{ id: string, title?: string }>} actions
+ * @param {string[]} blockedByIds
+ */
+export function formatBlockedByTitles(actions, blockedByIds) {
+  if (!blockedByIds?.length) return ''
+  const byId = Object.fromEntries(actions.map((a) => [a.id, a]))
+  return blockedByIds
+    .map((id) => byId[id]?.title || id.slice(0, 8))
+    .join(', ')
+}
+
+/**
+ * Sort actions for Durchführungsplan display (sort_order, then title).
+ * @param {Array<{ sort_order?: number, title?: string }>} actions
+ */
+export function sortActionsForExecutionPlan(actions) {
+  return [...actions].sort((a, b) => {
+    const orderDiff = (a.sort_order ?? 0) - (b.sort_order ?? 0)
+    if (orderDiff !== 0) return orderDiff
+    return (a.title || '').localeCompare(b.title || '', 'de')
+  })
+}
+
+/**
+ * @param {Array<{ successor_action_id: string, predecessor_action_id: string, dependency_kind?: string, id: string }>} dependencies
+ * @param {string} actionId
+ */
+export function dependenciesForAction(dependencies, actionId) {
+  const list = Array.isArray(dependencies) ? dependencies : []
+  return {
+    predecessors: list.filter((dep) => dep.successor_action_id === actionId),
+    successors: list.filter((dep) => dep.predecessor_action_id === actionId),
+  }
+}
diff --git a/frontend/src/utils/executionGraph.test.js b/frontend/src/utils/executionGraph.test.js
new file mode 100644
index 0000000..db4cfd2
--- /dev/null
+++ b/frontend/src/utils/executionGraph.test.js
@@ -0,0 +1,45 @@
+import { describe, expect, it } from 'vitest'
+import {
+  dependenciesForAction,
+  formatBlockedByTitles,
+  getActionExecutionMeta,
+  sortActionsForExecutionPlan,
+} from './executionGraph.js'
+
+describe('executionGraph utils', () => {
+  it('reads action meta from graph state', () => {
+    const state = {
+      items: {
+        a1: { ready: true, blocked: false, blocked_by: [] },
+      },
+    }
+    expect(getActionExecutionMeta(state, 'a1')?.ready).toBe(true)
+    expect(getActionExecutionMeta(state, 'missing')).toBeNull()
+  })
+
+  it('formats blocked-by titles', () => {
+    const actions = [{ id: 'x', title: 'Foundation' }]
+    expect(formatBlockedByTitles(actions, ['x'])).toBe('Foundation')
+  })
+
+  it('sorts by sort_order', () => {
+    const sorted = sortActionsForExecutionPlan([
+      { id: '2', title: 'B', sort_order: 2 },
+      { id: '1', title: 'A', sort_order: 1 },
+    ])
+    expect(sorted.map((a) => a.id)).toEqual(['1', '2'])
+  })
+
+  it('splits predecessors and successors', () => {
+    const deps = [
+      {
+        id: 'd1',
+        predecessor_action_id: 'p1',
+        successor_action_id: 's1',
+        dependency_kind: 'requires',
+      },
+    ]
+    expect(dependenciesForAction(deps, 's1').predecessors).toHaveLength(1)
+    expect(dependenciesForAction(deps, 'p1').successors).toHaveLength(1)
+  })
+})