fix(founding-wizard): add python-docx dep + Lifecycle filter UI

- requirements.txt: python-docx==1.2.0 (Container hatte das modul nicht)
- document-generator: Lifecycle-Filter (Pre-Founding/Founding/Startup/KMU/Konzern)
  zeigt nur relevante Templates fuer aktuelle Phase

admin-compliance/app/sdk/document-generator/page.tsx

@@ -15,6 +15,8 @@ import { getGeneratorDefaults, getProfileLabel } from './scopeDefaults'
 import TemplateLibrary from './_components/TemplateLibrary'
 import GeneratorSection from './_components/GeneratorSection'
 import RecommendedDocuments from './_components/RecommendedDocuments'
+import { LifecycleFilter, filterTemplatesByStage } from './_components/LifecycleFilter'
+import type { LifecycleStage } from '@/lib/sdk/founding/template-categories'
 
 function DocumentGeneratorPageInner() {
   const { state } = useSDK()
@@ -24,6 +26,7 @@ function DocumentGeneratorPageInner() {
   const [allTemplates, setAllTemplates] = useState<LegalTemplateResult[]>([])
   const [isLoadingLibrary, setIsLoadingLibrary] = useState(true)
   const [activeCategory, setActiveCategory] = useState<string>('all')
+  const [activeStage, setActiveStage] = useState<LifecycleStage | 'all'>('all')
   const [activeLanguage, setActiveLanguage] = useState<'all' | 'de' | 'en'>('all')
   const [librarySearch, setLibrarySearch] = useState('')
   const [expandedPreviewId, setExpandedPreviewId] = useState<string | null>(null)
@@ -209,10 +212,15 @@ function DocumentGeneratorPageInner() {
     }
   }, [selectedDataPointsData])
 
-  // Filtered templates (computed)
+  // Filtered templates (computed) — Lifecycle + Category + Language + Search
   const filteredTemplates = useMemo(() => {
     const category = CATEGORIES.find((c: { key: string }) => c.key === activeCategory)
-    return allTemplates.filter((t) => {
+    // 1. Lifecycle-Phase Filter via Code-Registry (mapped auf templateType)
+    const stageFiltered = filterTemplatesByStage(
+      allTemplates.map(t => ({ ...t, document_type: t.templateType || '' })),
+      activeStage
+    )
+    return stageFiltered.filter((t) => {
       if (category && category.types !== null) {
         if (!category.types.includes(t.templateType || '')) return false
       }
@@ -225,7 +233,22 @@ function DocumentGeneratorPageInner() {
       }
       return true
     })
-  }, [allTemplates, activeCategory, activeLanguage, librarySearch])
+  }, [allTemplates, activeCategory, activeStage, activeLanguage, librarySearch])
+
+  // Counts by stage for filter UI
+  const countsByStage = useMemo(() => {
+    const counts: Record<string, number> = { pre_founding: 0, founding: 0, startup: 0, kmu: 0, konzern: 0 }
+    const stages: LifecycleStage[] = ['pre_founding', 'founding', 'startup', 'kmu', 'konzern']
+    for (const t of allTemplates) {
+      const docType = t.templateType || ''
+      for (const s of stages) {
+        if (filterTemplatesByStage([{ document_type: docType }], s).length) {
+          counts[s]++
+        }
+      }
+    }
+    return counts
+  }, [allTemplates])
 
   const handleUseTemplate = useCallback((t: LegalTemplateResult) => {
     setActiveTemplate(t)
@@ -292,6 +315,13 @@ function DocumentGeneratorPageInner() {
         </div>
       </div>
 
+      {/* Lifecycle-Phase Filter */}
+      <LifecycleFilter
+        activeStage={activeStage}
+        onChange={setActiveStage}
+        countsByStage={countsByStage}
+      />
+
       {/* Recommended documents based on scope profile */}
       <RecommendedDocuments
         allTemplates={allTemplates}