From 5e2ae9de311b613771f99a72fe7375cc88bad100 Mon Sep 17 00:00:00 2001
From: Lars <Lars@stommer.de>
Date: Fri, 10 Jul 2026 14:26:14 +0200
Subject: [PATCH] Mitai analysis-split Sub-Nav und weniger Blend-UI bei
 Auspraegungen.

Modus-Subnav als linke Spalte (Plan/Kontrolle/Ausfuehren), Referenz-Auspraegungen aus Formularen entfernt, Hub-Karten auf Steuerung gestrichen.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 frontend/src/components/InitiativeForm.jsx    |  68 +-----
 .../src/components/InitiativeNavCards.jsx     |  60 ------
 .../src/components/InitiativeSteeringMeta.jsx |  36 +---
 .../src/components/MethodProfileSelect.jsx    |  56 -----
 frontend/src/components/ModeAreaNav.jsx       |  63 ++++++
 frontend/src/components/ModeAreaShell.jsx     |  11 +
 frontend/src/components/ModeSubNav.jsx        |  26 ---
 frontend/src/components/PlanOutlineNav.jsx    |  52 +----
 .../src/components/SteeringSnapshotPanel.jsx  |   9 -
 frontend/src/config/controlNav.js             |  24 +++
 frontend/src/config/modeNav.test.js           |  18 ++
 frontend/src/config/workNav.js                |  24 +++
 .../initiative/InitiativeOverviewPage.jsx     |  13 --
 frontend/src/pages/modes/ControlLayout.jsx    |  27 ++-
 frontend/src/pages/modes/PlanLayout.jsx       |  12 +-
 frontend/src/pages/modes/PlanProfilePage.jsx  |  13 --
 frontend/src/pages/modes/WorkLayout.jsx       |  22 +-
 frontend/src/styles/program-chrome.css        | 199 +++++++++---------
 18 files changed, 293 insertions(+), 440 deletions(-)
 delete mode 100644 frontend/src/components/InitiativeNavCards.jsx
 delete mode 100644 frontend/src/components/MethodProfileSelect.jsx
 create mode 100644 frontend/src/components/ModeAreaNav.jsx
 create mode 100644 frontend/src/components/ModeAreaShell.jsx
 delete mode 100644 frontend/src/components/ModeSubNav.jsx
 create mode 100644 frontend/src/config/controlNav.js
 create mode 100644 frontend/src/config/modeNav.test.js
 create mode 100644 frontend/src/config/workNav.js

diff --git a/frontend/src/components/InitiativeForm.jsx b/frontend/src/components/InitiativeForm.jsx
index 515dc4d..37c8455 100644
--- a/frontend/src/components/InitiativeForm.jsx
+++ b/frontend/src/components/InitiativeForm.jsx
@@ -8,10 +8,7 @@ import {
   getInitiativeFields,
   listArchetypeFieldDefinitions,
 } from '../api/entityFields.js'
-import { listSteeringMethods } from '../api/steering.js'
-import { listMethodProfiles } from '../api/methodProfiles.js'
 import { FieldRenderer } from './FieldRenderer.jsx'
-import { InitiativeSteeringMeta } from './InitiativeSteeringMeta.jsx'
 
 export function InitiativeForm({
   initial = {},
@@ -26,42 +23,6 @@ export function InitiativeForm({
   const [fieldDefinitions, setFieldDefinitions] = useState([])
   const [dynamicValues, setDynamicValues] = useState({})
   const [fieldsLoading, setFieldsLoading] = useState(false)
-  const [steeringMethods, setSteeringMethods] = useState([])
-  const [methodProfiles, setMethodProfiles] = useState([])
-  const [methodProfileKey, setMethodProfileKey] = useState('')
-
-  useEffect(() => {
-    let cancelled = false
-    listSteeringMethods()
-      .then((items) => {
-        if (!cancelled) setSteeringMethods(Array.isArray(items) ? items : [])
-      })
-      .catch(() => {
-        if (!cancelled) setSteeringMethods([])
-      })
-    return () => {
-      cancelled = true
-    }
-  }, [])
-
-  useEffect(() => {
-    let cancelled = false
-    setMethodProfileKey('')
-    if (!archetypeKey) {
-      setMethodProfiles([])
-      return undefined
-    }
-    listMethodProfiles(archetypeKey)
-      .then((items) => {
-        if (!cancelled) setMethodProfiles(Array.isArray(items) ? items : [])
-      })
-      .catch(() => {
-        if (!cancelled) setMethodProfiles([])
-      })
-    return () => {
-      cancelled = true
-    }
-  }, [archetypeKey])
 
   useEffect(() => {
     let cancelled = false
@@ -130,7 +91,6 @@ export function InitiativeForm({
       status: form.status.value,
       priority: form.priority.value,
       dynamicFields: dynamicValues,
-      ...(methodProfileKey ? { method_profile_key: methodProfileKey } : {}),
     })
   }
 
@@ -139,6 +99,7 @@ export function InitiativeForm({
   }
 
   const formReady = archetypes && !fieldsLoading
+  const selectedArchetype = (archetypes || []).find((item) => item.key === archetypeKey)
 
   return (
     <form className="form workspace-form" onSubmit={handleSubmit}>
@@ -160,31 +121,10 @@ export function InitiativeForm({
             </option>
           ))}
         </select>
+        {selectedArchetype?.description && (
+          <span className="muted form-hint">{selectedArchetype.description}</span>
+        )}
       </label>
-      {methodProfiles.length > 0 && (
-        <label>
-          Ausprägung (optional)
-          <select
-            name="method_profile_key"
-            value={methodProfileKey}
-            onChange={(e) => setMethodProfileKey(e.target.value)}
-          >
-            <option value="">— Standard (nur Archetyp) —</option>
-            {methodProfiles.map((item) => (
-              <option key={item.key} value={item.key}>
-                {item.label}
-              </option>
-            ))}
-          </select>
-        </label>
-      )}
-      <InitiativeSteeringMeta
-        archetypeKey={archetypeKey}
-        initiativeArchetypes={archetypes || []}
-        steeringMethods={steeringMethods}
-        methodProfiles={methodProfiles}
-        selectedMethodProfileKey={methodProfileKey}
-      />
       <label>
         Kurzbeschreibung (Ziel)
         <textarea name="goal" rows={2} defaultValue={initial.goal || ''} />
diff --git a/frontend/src/components/InitiativeNavCards.jsx b/frontend/src/components/InitiativeNavCards.jsx
deleted file mode 100644
index e737b8e..0000000
--- a/frontend/src/components/InitiativeNavCards.jsx
+++ /dev/null
@@ -1,60 +0,0 @@
-import { Link } from 'react-router-dom'
-import { scopedPath } from '../utils/routes.js'
-
-const AREAS = [
-  {
-    to: '/plan/gates',
-    title: 'Plan',
-    description: 'Roadmap, Gates und Plan-Ist — methodenneutral pflegen.',
-    countKey: 'roadmapItems',
-  },
-  {
-    to: '/work/today',
-    title: 'Ausführung',
-    description: 'Arbeitspakete, Zuweisungen, Blocker am Objekt.',
-    countKey: 'actionsOpen',
-  },
-  {
-    to: '/plan/inbox',
-    title: 'Eingang',
-    description: 'Backlog triagieren und in Arbeitspakete überführen.',
-    countKey: 'backlog',
-  },
-  {
-    to: '/control/journey',
-    title: 'Nachvollziehbarkeit',
-    description: 'Entscheidungen, Reviews, Nachweise über die Zeit.',
-    countKey: null,
-  },
-]
-
-export function InitiativeNavCards({ initiativeId, counts = {} }) {
-  return (
-    <section className="initiative-nav-cards">
-      <h2 className="initiative-nav-cards-title">Pflege & Planung</h2>
-      <div className="initiative-nav-cards-grid">
-        {AREAS.map((area) => {
-          const hint =
-            area.countKey === 'backlog' && counts.backlog
-              ? `${counts.backlog} Backlog`
-              : area.countKey === 'actionsOpen' && counts.actionsOpen
-                ? `${counts.actionsOpen} offen`
-                : area.countKey === 'roadmapItems' && counts.roadmapItems
-                  ? `${counts.roadmapItems} Plan-Elemente`
-                  : null
-          return (
-            <Link
-              key={area.to}
-              to={scopedPath(area.to, { initiativeId })}
-              className="initiative-nav-card card"
-            >
-              <h3>{area.title}</h3>
-              <p className="muted">{area.description}</p>
-              {hint && <span className="initiative-nav-card-hint">{hint}</span>}
-            </Link>
-          )
-        })}
-      </div>
-    </section>
-  )
-}
diff --git a/frontend/src/components/InitiativeSteeringMeta.jsx b/frontend/src/components/InitiativeSteeringMeta.jsx
index 46a105b..dbbe7d9 100644
--- a/frontend/src/components/InitiativeSteeringMeta.jsx
+++ b/frontend/src/components/InitiativeSteeringMeta.jsx
@@ -3,38 +3,21 @@ import {
   findArchetype,
   methodDescriptionForKey,
   methodLabelForKey,
-  methodProfileDescription,
-  methodProfileLabel,
 } from '../utils/archetypes.js'
 
 /**
- * Zeigt Archetyp → Methode → Ausprägung transparent (Capture & Lagebild).
+ * Archetyp und abgeleitete Steuerungsmethode (read-only Kontext).
  */
 export function InitiativeSteeringMeta({
   archetypeKey,
   initiativeArchetypes = [],
   steeringSnapshot = null,
   steeringMethods = [],
-  methodProfiles = [],
-  selectedMethodProfileKey = '',
   compact = false,
 }) {
   const archetype = findArchetype(archetypeKey, initiativeArchetypes)
-  const profileKey =
-    steeringSnapshot?.method_profile_key || selectedMethodProfileKey || null
-  const profileLabel =
-    steeringSnapshot?.method_profile_label ||
-    methodProfileLabel(profileKey, methodProfiles)
-  const profileDescription = methodProfileDescription(profileKey, methodProfiles)
-
-  const selectedProfile = profileKey
-    ? methodProfiles.find((item) => item.key === profileKey)
-    : null
   const methodKey =
-    steeringSnapshot?.method_key ||
-    selectedProfile?.method_key ||
-    archetype?.default_method_key ||
-    null
+    steeringSnapshot?.method_key || archetype?.default_method_key || null
   const methodLabel =
     steeringSnapshot?.method_label || methodLabelForKey(methodKey, steeringMethods)
   const methodDescription = methodDescriptionForKey(methodKey, steeringMethods)
@@ -62,19 +45,6 @@ export function InitiativeSteeringMeta({
           </span>
         </div>
       )}
-      {profileKey && (
-        <div className="initiative-steering-meta__row">
-          <span className="initiative-steering-meta__label">Ausprägung</span>
-          <span className="initiative-steering-meta__value">
-            <strong>{profileLabel}</strong>
-            {!compact && profileDescription && (
-              <span className="initiative-steering-meta__hint muted">
-                {profileDescription}
-              </span>
-            )}
-          </span>
-        </div>
-      )}
       {methodKey && (
         <div className="initiative-steering-meta__row">
           <span className="initiative-steering-meta__label">Steuerungsmethode</span>
@@ -85,7 +55,7 @@ export function InitiativeSteeringMeta({
                 {methodDescription}
               </span>
             )}
-            {!compact && !steeringSnapshot && archetype?.default_method_key && !profileKey && (
+            {!compact && !steeringSnapshot && archetype?.default_method_key && (
               <span className="initiative-steering-meta__hint muted">
                 Wird beim Anlegen automatisch vom Archetyp abgeleitet.
               </span>
diff --git a/frontend/src/components/MethodProfileSelect.jsx b/frontend/src/components/MethodProfileSelect.jsx
deleted file mode 100644
index ca0f974..0000000
--- a/frontend/src/components/MethodProfileSelect.jsx
+++ /dev/null
@@ -1,56 +0,0 @@
-import { useEffect, useState } from 'react'
-import { listMethodProfiles } from '../api/methodProfiles.js'
-
-export function MethodProfileSelect({
-  archetypeKey,
-  value = '',
-  onChange,
-  disabled = false,
-}) {
-  const [profiles, setProfiles] = useState([])
-
-  useEffect(() => {
-    if (!archetypeKey) {
-      setProfiles([])
-      return undefined
-    }
-    let cancelled = false
-    listMethodProfiles(archetypeKey)
-      .then((items) => {
-        if (!cancelled) setProfiles(Array.isArray(items) ? items : [])
-      })
-      .catch(() => {
-        if (!cancelled) setProfiles([])
-      })
-    return () => {
-      cancelled = true
-    }
-  }, [archetypeKey])
-
-  if (profiles.length === 0) {
-    return (
-      <p className="muted method-profile-select__empty">
-        Keine Referenz-Ausprägung für diesen Archetyp hinterlegt.
-      </p>
-    )
-  }
-
-  return (
-    <label className="method-profile-select">
-      Ausprägung
-      <select
-        value={value || ''}
-        disabled={disabled}
-        onChange={(e) => onChange?.(e.target.value)}
-        aria-label="Methoden-Ausprägung"
-      >
-        <option value="">— Standard (nur Archetyp) —</option>
-        {profiles.map((item) => (
-          <option key={item.key} value={item.key}>
-            {item.label}
-          </option>
-        ))}
-      </select>
-    </label>
-  )
-}
diff --git a/frontend/src/components/ModeAreaNav.jsx b/frontend/src/components/ModeAreaNav.jsx
new file mode 100644
index 0000000..d013e7b
--- /dev/null
+++ b/frontend/src/components/ModeAreaNav.jsx
@@ -0,0 +1,63 @@
+import { NavLink, useLocation } from 'react-router-dom'
+import { useProgramScope } from '../context/ProgramScopeContext.jsx'
+
+/**
+ * Bereichs-Subnav (Mitai Settings/Admin-Shell).
+ *
+ * @param {{
+ *   modeLabel: string,
+ *   items: { key: string, to: string, label: string, labelFor?: (ctx: object) => string }[],
+ *   resolveActiveKey?: (pathname: string) => string | null,
+ *   showScope?: boolean,
+ *   scopeMutedLabel?: string,
+ * }} props
+ */
+export function ModeAreaNav({
+  modeLabel,
+  items,
+  resolveActiveKey,
+  showScope = false,
+  scopeMutedLabel = 'Portfolio',
+}) {
+  const location = useLocation()
+  const { initiativeId, initiativeTitle, hrefWithScope } = useProgramScope()
+  const activeKey = resolveActiveKey?.(location.pathname)
+
+  return (
+    <nav className="analysis-split__nav" aria-label={`${modeLabel}-Navigation`}>
+      <div className="analysis-split__nav-header">
+        <span className="analysis-split__nav-eyebrow">{modeLabel}</span>
+        {showScope &&
+          (initiativeId ? (
+            <p className="analysis-split__nav-scope" title={initiativeTitle || initiativeId}>
+              {initiativeTitle || 'Vorhaben'}
+            </p>
+          ) : (
+            <p className="analysis-split__nav-scope analysis-split__nav-scope--muted">
+              {scopeMutedLabel}
+            </p>
+          ))}
+      </div>
+      <ul className="analysis-split__nav-list">
+        {items.map((item) => {
+          const label = item.labelFor ? item.labelFor({}) : item.label
+          const isActive = activeKey === item.key
+          return (
+            <li key={item.key}>
+              <NavLink
+                to={hrefWithScope(item.to)}
+                end
+                className={({ isActive: routerActive }) =>
+                  'analysis-split__nav-link' +
+                  (routerActive || isActive ? ' analysis-split__nav-link--active' : '')
+                }
+              >
+                {label}
+              </NavLink>
+            </li>
+          )
+        })}
+      </ul>
+    </nav>
+  )
+}
diff --git a/frontend/src/components/ModeAreaShell.jsx b/frontend/src/components/ModeAreaShell.jsx
new file mode 100644
index 0000000..a69f0a4
--- /dev/null
+++ b/frontend/src/components/ModeAreaShell.jsx
@@ -0,0 +1,11 @@
+/**
+ * Mitai analysis-split: linke Sub-Nav + Hauptinhalt (Desktop), gestapelt (Mobile).
+ */
+export function ModeAreaShell({ nav, children }) {
+  return (
+    <div className="analysis-split">
+      {nav}
+      <div className="analysis-split__main">{children}</div>
+    </div>
+  )
+}
diff --git a/frontend/src/components/ModeSubNav.jsx b/frontend/src/components/ModeSubNav.jsx
deleted file mode 100644
index c0702b1..0000000
--- a/frontend/src/components/ModeSubNav.jsx
+++ /dev/null
@@ -1,26 +0,0 @@
-import { NavLink } from 'react-router-dom'
-import { useProgramScope } from '../context/ProgramScopeContext.jsx'
-
-/**
- * @param {{ items: { to: string, label: string, end?: boolean }[] }} props
- */
-export function ModeSubNav({ items }) {
-  const { hrefWithScope } = useProgramScope()
-
-  return (
-    <nav className="mode-subnav" aria-label="Modus-Unternavigation">
-      {items.map((item) => (
-        <NavLink
-          key={item.to}
-          to={hrefWithScope(item.to)}
-          end={item.end !== false}
-          className={({ isActive }) =>
-            'mode-subnav__link' + (isActive ? ' mode-subnav__link--active' : '')
-          }
-        >
-          {item.label}
-        </NavLink>
-      ))}
-    </nav>
-  )
-}
diff --git a/frontend/src/components/PlanOutlineNav.jsx b/frontend/src/components/PlanOutlineNav.jsx
index 6327c75..761d48b 100644
--- a/frontend/src/components/PlanOutlineNav.jsx
+++ b/frontend/src/components/PlanOutlineNav.jsx
@@ -1,10 +1,8 @@
 import { NavLink, useLocation } from 'react-router-dom'
 import { useEffect, useState } from 'react'
-import { getInitiative, listInitiativeActions } from '../api/initiatives.js'
+import { listInitiativeActions } from '../api/initiatives.js'
 import { listInitiativeBacklog } from '../api/backlog.js'
 import { useProgramScope } from '../context/ProgramScopeContext.jsx'
-import { useEntityArchetypes } from '../hooks/useEntityArchetypes.js'
-import { InitiativeSteeringMeta } from './InitiativeSteeringMeta.jsx'
 import {
   PLAN_OUTLINE_NODES,
   resolvePlanOutlineActiveKey,
@@ -13,28 +11,8 @@ import {
 export function PlanOutlineNav() {
   const location = useLocation()
   const { initiativeId, initiativeTitle, hrefWithScope } = useProgramScope()
-  const { initiativeArchetypes } = useEntityArchetypes()
   const activeKey = resolvePlanOutlineActiveKey(location.pathname)
   const [counts, setCounts] = useState({ inbox: null, work: null })
-  const [initiativeArchetypeKey, setInitiativeArchetypeKey] = useState('')
-
-  useEffect(() => {
-    if (!initiativeId) {
-      setInitiativeArchetypeKey('')
-      return undefined
-    }
-    let cancelled = false
-    getInitiative(initiativeId)
-      .then((data) => {
-        if (!cancelled) setInitiativeArchetypeKey(data.archetype_key || '')
-      })
-      .catch(() => {
-        if (!cancelled) setInitiativeArchetypeKey('')
-      })
-    return () => {
-      cancelled = true
-    }
-  }, [initiativeId])
 
   useEffect(() => {
     if (!initiativeId) {
@@ -70,29 +48,21 @@ export function PlanOutlineNav() {
   }
 
   return (
-    <nav className="plan-outline-nav" aria-label="Plan-Outline">
-      <div className="plan-outline-nav__header">
-        <span className="plan-outline-nav__eyebrow">Planen</span>
+    <nav className="analysis-split__nav" aria-label="Plan-Navigation">
+      <div className="analysis-split__nav-header">
+        <span className="analysis-split__nav-eyebrow">Planen</span>
         {initiativeId ? (
-          <p className="plan-outline-nav__root" title={initiativeTitle || initiativeId}>
+          <p className="analysis-split__nav-scope" title={initiativeTitle || initiativeId}>
             {initiativeTitle || 'Vorhaben'}
           </p>
         ) : (
-          <p className="plan-outline-nav__root plan-outline-nav__root--muted">
+          <p className="analysis-split__nav-scope analysis-split__nav-scope--muted">
             Portfolio — Vorhaben wählen
           </p>
         )}
       </div>
 
-      {initiativeId && initiativeArchetypeKey && (
-        <InitiativeSteeringMeta
-          archetypeKey={initiativeArchetypeKey}
-          initiativeArchetypes={initiativeArchetypes}
-          compact
-        />
-      )}
-
-      <ul className="plan-outline-nav__list">
+      <ul className="analysis-split__nav-list">
         {PLAN_OUTLINE_NODES.map((node) => {
           const needsInitiative = node.requiresInitiative && !initiativeId
           const isDisabled = node.disabled || needsInitiative
@@ -102,8 +72,8 @@ export function PlanOutlineNav() {
               <li key={node.key}>
                 <span
                   className={
-                    'plan-outline-nav__link plan-outline-nav__link--disabled' +
-                    (activeKey === node.key ? ' plan-outline-nav__link--active' : '')
+                    'analysis-split__nav-link analysis-split__nav-link--disabled' +
+                    (activeKey === node.key ? ' analysis-split__nav-link--active' : '')
                   }
                   aria-disabled="true"
                   title={needsInitiative ? 'Vorhaben im Scope wählen' : node.hint}
@@ -120,8 +90,8 @@ export function PlanOutlineNav() {
                 to={hrefWithScope(node.to)}
                 end
                 className={({ isActive }) =>
-                  'plan-outline-nav__link' +
-                  (isActive ? ' plan-outline-nav__link--active' : '')
+                  'analysis-split__nav-link' +
+                  (isActive ? ' analysis-split__nav-link--active' : '')
                 }
               >
                 {nodeLabel(node)}
diff --git a/frontend/src/components/SteeringSnapshotPanel.jsx b/frontend/src/components/SteeringSnapshotPanel.jsx
index e447fa2..33b68f3 100644
--- a/frontend/src/components/SteeringSnapshotPanel.jsx
+++ b/frontend/src/components/SteeringSnapshotPanel.jsx
@@ -54,8 +54,6 @@ export function SteeringSnapshotPanel({
     method_label,
     archetype_key,
     archetype_label,
-    method_profile_key,
-    method_profile_label,
     steering_guidance,
     attention_items = [],
     signals = [],
@@ -117,13 +115,6 @@ export function SteeringSnapshotPanel({
         {(archetype_label || archetype_key) && (
           <p className="steering-archetype-row muted">
             Archetyp: <strong>{archetype_label || archetype_key}</strong>
-            {method_profile_label || method_profile_key ? (
-              <>
-                {' '}
-                · Ausprägung:{' '}
-                <strong>{method_profile_label || method_profile_key}</strong>
-              </>
-            ) : null}
           </p>
         )}
         {(method_label || canManageMethod) && (
diff --git a/frontend/src/config/controlNav.js b/frontend/src/config/controlNav.js
new file mode 100644
index 0000000..26c27a3
--- /dev/null
+++ b/frontend/src/config/controlNav.js
@@ -0,0 +1,24 @@
+/**
+ * Kontrolle-Subnav (Mitai: settingsNav / analysis-split).
+ * Pfade müssen mit Routes in App.jsx übereinstimmen.
+ *
+ * @typedef {{ key: string, to: string, label: string }} ModeNavItem
+ */
+
+/** @type {ModeNavItem[]} */
+export const CONTROL_NAV_ITEMS = [
+  { key: 'status', to: '/control/status', label: 'Steuerung' },
+  { key: 'journey', to: '/control/journey', label: 'Nachvollziehbarkeit' },
+]
+
+/**
+ * @param {string} pathname
+ * @returns {string | null}
+ */
+export function resolveControlNavActiveKey(pathname) {
+  const path = pathname.replace(/\/$/, '') || pathname
+  const match = CONTROL_NAV_ITEMS.find(
+    (item) => path === item.to || path.startsWith(`${item.to}/`),
+  )
+  return match?.key ?? null
+}
diff --git a/frontend/src/config/modeNav.test.js b/frontend/src/config/modeNav.test.js
new file mode 100644
index 0000000..da4b78a
--- /dev/null
+++ b/frontend/src/config/modeNav.test.js
@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest'
+import { resolveControlNavActiveKey } from '../config/controlNav.js'
+import { resolveWorkNavActiveKey } from '../config/workNav.js'
+
+describe('controlNav', () => {
+  it('resolves active control sub-route', () => {
+    expect(resolveControlNavActiveKey('/control/status')).toBe('status')
+    expect(resolveControlNavActiveKey('/control/journey')).toBe('journey')
+    expect(resolveControlNavActiveKey('/control')).toBe(null)
+  })
+})
+
+describe('workNav', () => {
+  it('resolves active work sub-route', () => {
+    expect(resolveWorkNavActiveKey('/work/today')).toBe('today')
+    expect(resolveWorkNavActiveKey('/work/mine')).toBe('mine')
+  })
+})
diff --git a/frontend/src/config/workNav.js b/frontend/src/config/workNav.js
new file mode 100644
index 0000000..472552b
--- /dev/null
+++ b/frontend/src/config/workNav.js
@@ -0,0 +1,24 @@
+/**
+ * Ausführen-Subnav (Mitai: settingsNav / analysis-split).
+ * Pfade müssen mit Routes in App.jsx übereinstimmen.
+ *
+ * @typedef {{ key: string, to: string, label: string }} ModeNavItem
+ */
+
+/** @type {ModeNavItem[]} */
+export const WORK_NAV_ITEMS = [
+  { key: 'today', to: '/work/today', label: 'Heute' },
+  { key: 'mine', to: '/work/mine', label: 'Meine Queue' },
+]
+
+/**
+ * @param {string} pathname
+ * @returns {string | null}
+ */
+export function resolveWorkNavActiveKey(pathname) {
+  const path = pathname.replace(/\/$/, '') || pathname
+  const match = WORK_NAV_ITEMS.find(
+    (item) => path === item.to || path.startsWith(`${item.to}/`),
+  )
+  return match?.key ?? null
+}
diff --git a/frontend/src/pages/initiative/InitiativeOverviewPage.jsx b/frontend/src/pages/initiative/InitiativeOverviewPage.jsx
index dba68c5..3659c2a 100644
--- a/frontend/src/pages/initiative/InitiativeOverviewPage.jsx
+++ b/frontend/src/pages/initiative/InitiativeOverviewPage.jsx
@@ -3,7 +3,6 @@ import { scopedPath } from '../../utils/routes.js'
 import { useInitiativeOperations } from '../../context/InitiativeOperationsContext.jsx'
 import { SteeringSnapshotPanel } from '../../components/SteeringSnapshotPanel.jsx'
 import { NextActionWidget } from '../../widgets/NextActionWidget.jsx'
-import { InitiativeNavCards } from '../../components/InitiativeNavCards.jsx'
 
 export function InitiativeOverviewPage() {
   const {
@@ -16,9 +15,6 @@ export function InitiativeOverviewPage() {
     methodBusy,
     capabilities,
     handleMethodChange,
-    backlogItems,
-    roadmapItems,
-    milestones,
   } = useInitiativeOperations()
 
   const counts = steeringSnapshot?.counts || {}
@@ -66,15 +62,6 @@ export function InitiativeOverviewPage() {
           </Link>
         </section>
       )}
-
-      <InitiativeNavCards
-        initiativeId={initiativeId}
-        counts={{
-          backlog: backlogItems.length,
-          roadmapItems: roadmapItems.length,
-          actionsOpen: counts.actions_open,
-        }}
-      />
     </>
   )
 }
diff --git a/frontend/src/pages/modes/ControlLayout.jsx b/frontend/src/pages/modes/ControlLayout.jsx
index d6c011d..0e14b32 100644
--- a/frontend/src/pages/modes/ControlLayout.jsx
+++ b/frontend/src/pages/modes/ControlLayout.jsx
@@ -1,18 +1,29 @@
 import { Navigate, Outlet } from 'react-router-dom'
+import { ModeAreaShell } from '../../components/ModeAreaShell.jsx'
+import { ModeAreaNav } from '../../components/ModeAreaNav.jsx'
 import { ModeShell } from '../../components/ModeShell.jsx'
-import { ModeSubNav } from '../../components/ModeSubNav.jsx'
-
-const CONTROL_NAV = [
-  { to: '/control/status', label: 'Steuerung', end: true },
-  { to: '/control/journey', label: 'Journey', end: true },
-]
+import {
+  CONTROL_NAV_ITEMS,
+  resolveControlNavActiveKey,
+} from '../../config/controlNav.js'
 
 export function ControlLayout() {
   return (
     <div className="app-page">
       <ModeShell modeKey="control" />
-      <ModeSubNav items={CONTROL_NAV} />
-      <Outlet />
+      <ModeAreaShell
+        nav={
+          <ModeAreaNav
+            modeLabel="Kontrolle"
+            items={CONTROL_NAV_ITEMS}
+            resolveActiveKey={resolveControlNavActiveKey}
+            showScope
+            scopeMutedLabel="Vorhaben wählen"
+          />
+        }
+      >
+        <Outlet />
+      </ModeAreaShell>
     </div>
   )
 }
diff --git a/frontend/src/pages/modes/PlanLayout.jsx b/frontend/src/pages/modes/PlanLayout.jsx
index 0b7c9fa..3fb0a32 100644
--- a/frontend/src/pages/modes/PlanLayout.jsx
+++ b/frontend/src/pages/modes/PlanLayout.jsx
@@ -1,17 +1,15 @@
 import { Outlet } from 'react-router-dom'
+import { ModeAreaShell } from '../../components/ModeAreaShell.jsx'
 import { ModeShell } from '../../components/ModeShell.jsx'
 import { PlanOutlineNav } from '../../components/PlanOutlineNav.jsx'
 
 export function PlanLayout() {
   return (
-    <div className="app-page plan-outline-shell">
+    <div className="app-page">
       <ModeShell modeKey="plan" />
-      <div className="plan-outline-shell__body">
-        <PlanOutlineNav />
-        <div className="plan-outline-shell__content">
-          <Outlet />
-        </div>
-      </div>
+      <ModeAreaShell nav={<PlanOutlineNav />}>
+        <Outlet />
+      </ModeAreaShell>
     </div>
   )
 }
diff --git a/frontend/src/pages/modes/PlanProfilePage.jsx b/frontend/src/pages/modes/PlanProfilePage.jsx
index 331d365..ae0d954 100644
--- a/frontend/src/pages/modes/PlanProfilePage.jsx
+++ b/frontend/src/pages/modes/PlanProfilePage.jsx
@@ -7,7 +7,6 @@ import { LoadingState } from '../../components/LoadingState.jsx'
 import { Modal } from '../../components/Modal.jsx'
 import { InitiativeForm } from '../../components/InitiativeForm.jsx'
 import { InitiativeSteeringMeta } from '../../components/InitiativeSteeringMeta.jsx'
-import { MethodProfileSelect } from '../../components/MethodProfileSelect.jsx'
 import { PriorityBadge } from '../../components/PriorityBadge.jsx'
 import { useInitiativeOperations } from '../../context/InitiativeOperationsContext.jsx'
 import { useProgramScope } from '../../context/ProgramScopeContext.jsx'
@@ -88,8 +87,6 @@ function PlanProfileInner() {
     formBusy,
     steeringSnapshot,
     steeringMethods,
-    methodBusy,
-    handleMethodProfileChange,
     actors,
     projects,
   } = ops
@@ -143,16 +140,6 @@ function PlanProfileInner() {
           steeringSnapshot={steeringSnapshot}
           steeringMethods={steeringMethods}
         />
-        {canManage && (
-          <div className="plan-profile__steering-edit">
-            <MethodProfileSelect
-              archetypeKey={initiative.archetype_key}
-              value={steeringSnapshot?.method_profile_key || ''}
-              disabled={methodBusy}
-              onChange={handleMethodProfileChange}
-            />
-          </div>
-        )}
         <div className="plan-profile__field">
           <h3 className="plan-profile__label">Verantwortlich (Owner)</h3>
           <p>{ownerName}</p>
diff --git a/frontend/src/pages/modes/WorkLayout.jsx b/frontend/src/pages/modes/WorkLayout.jsx
index 3d60ad3..06f9d08 100644
--- a/frontend/src/pages/modes/WorkLayout.jsx
+++ b/frontend/src/pages/modes/WorkLayout.jsx
@@ -1,18 +1,24 @@
 import { Navigate, Outlet } from 'react-router-dom'
+import { ModeAreaShell } from '../../components/ModeAreaShell.jsx'
+import { ModeAreaNav } from '../../components/ModeAreaNav.jsx'
 import { ModeShell } from '../../components/ModeShell.jsx'
-import { ModeSubNav } from '../../components/ModeSubNav.jsx'
-
-const WORK_NAV = [
-  { to: '/work/today', label: 'Heute', end: true },
-  { to: '/work/mine', label: 'Meine Queue', end: true },
-]
+import { WORK_NAV_ITEMS, resolveWorkNavActiveKey } from '../../config/workNav.js'
 
 export function WorkLayout() {
   return (
     <div className="app-page">
       <ModeShell modeKey="work" />
-      <ModeSubNav items={WORK_NAV} />
-      <Outlet />
+      <ModeAreaShell
+        nav={
+          <ModeAreaNav
+            modeLabel="Ausführen"
+            items={WORK_NAV_ITEMS}
+            resolveActiveKey={resolveWorkNavActiveKey}
+          />
+        }
+      >
+        <Outlet />
+      </ModeAreaShell>
     </div>
   )
 }
diff --git a/frontend/src/styles/program-chrome.css b/frontend/src/styles/program-chrome.css
index 529e71d..b0dfea4 100644
--- a/frontend/src/styles/program-chrome.css
+++ b/frontend/src/styles/program-chrome.css
@@ -223,28 +223,110 @@
   white-space: nowrap;
 }
 
-.mode-subnav {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 8px;
-  margin-bottom: 16px;
+/* Mitai analysis-split: Bereichs-Shell mit linker Sub-Nav (Desktop) */
+.analysis-split {
+  display: grid;
+  grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
+  gap: 20px;
+  align-items: start;
 }
 
-.mode-subnav__link {
-  padding: 8px 14px;
-  border-radius: 999px;
-  text-decoration: none;
-  font-size: 13px;
-  font-weight: 600;
-  color: var(--jk-text-muted);
+.analysis-split__main {
+  min-width: 0;
+}
+
+.analysis-split__nav {
+  position: sticky;
+  top: 12px;
+  padding: 14px;
+  border-radius: 12px;
   border: 1px solid var(--jk-border);
   background: var(--jk-surface);
 }
 
-.mode-subnav__link--active {
-  color: var(--jk-primary);
-  border-color: var(--jk-primary);
+.analysis-split__nav-header {
+  margin-bottom: 12px;
+  padding-bottom: 10px;
+  border-bottom: 1px solid var(--jk-border);
+}
+
+.analysis-split__nav-eyebrow {
+  display: block;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+  color: var(--jk-text-muted);
+}
+
+.analysis-split__nav-scope {
+  margin: 6px 0 0;
+  font-size: 15px;
+  font-weight: 700;
+  line-height: 1.3;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.analysis-split__nav-scope--muted {
+  font-weight: 600;
+  color: var(--jk-text-muted);
+}
+
+.analysis-split__nav-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: grid;
+  gap: 4px;
+}
+
+.analysis-split__nav-link {
+  display: block;
+  padding: 8px 10px;
+  border-radius: 8px;
+  text-decoration: none;
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--jk-text-muted);
+}
+
+.analysis-split__nav-link:hover {
   background: var(--jk-primary-soft);
+  color: var(--jk-text);
+}
+
+.analysis-split__nav-link--active {
+  color: var(--jk-primary);
+  background: var(--jk-primary-soft);
+}
+
+.analysis-split__nav-link--disabled {
+  opacity: 0.55;
+  cursor: not-allowed;
+}
+
+@media (max-width: 900px) {
+  .analysis-split {
+    grid-template-columns: 1fr;
+  }
+
+  .analysis-split__nav-list {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+  }
+
+  .analysis-split__nav-link {
+    padding: 8px 14px;
+    border: 1px solid var(--jk-border);
+    border-radius: 999px;
+    background: var(--jk-surface);
+  }
+
+  .analysis-split__nav-link--active {
+    border-color: var(--jk-primary);
+  }
 }
 
 .scope-picker__list {
@@ -292,93 +374,6 @@
   margin-bottom: 12px;
 }
 
-.plan-outline-shell__body {
-  display: grid;
-  grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
-  gap: 20px;
-  align-items: start;
-}
-
-@media (max-width: 900px) {
-  .plan-outline-shell__body {
-    grid-template-columns: 1fr;
-  }
-}
-
-.plan-outline-nav {
-  position: sticky;
-  top: 12px;
-  padding: 14px;
-  border-radius: 12px;
-  border: 1px solid var(--jk-border);
-  background: var(--jk-surface);
-}
-
-.plan-outline-nav__header {
-  margin-bottom: 12px;
-  padding-bottom: 10px;
-  border-bottom: 1px solid var(--jk-border);
-}
-
-.plan-outline-nav__eyebrow {
-  display: block;
-  font-size: 11px;
-  font-weight: 700;
-  letter-spacing: 0.04em;
-  text-transform: uppercase;
-  color: var(--jk-text-muted);
-}
-
-.plan-outline-nav__root {
-  margin: 6px 0 0;
-  font-size: 15px;
-  font-weight: 700;
-  line-height: 1.3;
-  overflow: hidden;
-  text-overflow: ellipsis;
-}
-
-.plan-outline-nav__root--muted {
-  font-weight: 600;
-  color: var(--jk-text-muted);
-}
-
-.plan-outline-nav__list {
-  list-style: none;
-  margin: 0;
-  padding: 0;
-  display: grid;
-  gap: 4px;
-}
-
-.plan-outline-nav__link {
-  display: block;
-  padding: 8px 10px;
-  border-radius: 8px;
-  text-decoration: none;
-  font-size: 13px;
-  font-weight: 600;
-  color: var(--jk-text-muted);
-}
-
-.plan-outline-nav__link:hover {
-  background: var(--jk-primary-soft);
-  color: var(--jk-text);
-}
-
-.plan-outline-nav__link--active {
-  color: var(--jk-primary);
-  background: var(--jk-primary-soft);
-}
-
-.plan-outline-nav__link--disabled {
-  opacity: 0.55;
-  cursor: not-allowed;
-}
-
-.plan-outline-shell__content {
-  min-width: 0;
-}
 
 .plan-profile__header {
   display: flex;