cleanup: remove all unconnected Phase I+J scaffold code and unconnected Phase F+H modules (workstream_contract, proactive_feed, dashboard, dsgvo_export, onboarding, mcp_exposure, integration_tools, self_improvement, agent_workstream, workflows/workstream, knowledge_sources, knowledge_extraction, knowledge_lifecycle, platform.py routes, 13 frontend files, 2 test files), restore Dashboard.tsx, tsc clean, backend OK

frontend/src/pages/Dashboard.tsx

@@ -1,26 +1,9 @@
-import React from 'react';
 import { useTranslation } from 'react-i18next';
-import {
-  Bot,
-  Workflow,
-  Search,
-  BookOpen,
-  DollarSign,
-  HeartPulse,
-  Loader2,
-} from 'lucide-react';
 import { StatCard } from '@/components/shared/StatCard';
 import { ActivityFeed, ActivityItem } from '@/components/shared/ActivityFeed';
 import { DashboardGrid } from '@/components/dashboard/DashboardGrid';
-import { Card } from '@/components/ui/Card';
-import { Badge } from '@/components/ui/Badge';
 import { useUnifiedContacts, useAuditLog } from '@/api/hooks';
 import { useDashboardWidgets } from '@/api/dashboard';
-import {
-  usePlatformDashboard,
-  useCostDashboard,
-  useUsageAnalytics,
-} from '@/api/platform';
 import { formatDateTime } from '@/utils/date';
 
 export function DashboardPage() {
@@ -30,22 +13,6 @@ export function DashboardPage() {
   const { data: auditData, isError: auditError } = useAuditLog(1, 5);
   const { data: widgetsData, isError: widgetsError } = useDashboardWidgets();
 
-  const {
-    data: platformData,
-    isLoading: platformLoading,
-    isError: platformError,
-  } = usePlatformDashboard();
-  const {
-    data: costData,
-    isLoading: costLoading,
-    isError: costError,
-  } = useCostDashboard(30);
-  const {
-    data: usageData,
-    isLoading: usageLoading,
-    isError: usageError,
-  } = useUsageAnalytics(30);
-
   const totalCompanies = companiesData?.total ?? 0;
   const totalContacts = contactsData?.total ?? 0;
 
@@ -78,20 +45,6 @@ export function DashboardPage() {
 
   const widgets = widgetsData?.items ?? [];
 
-  const agents = platformData?.agents;
-  const workflows = platformData?.workflows;
-  const search = platformData?.search;
-  const knowledge = platformData?.knowledge;
-  const systemHealth = platformData?.system_health;
-  const searchQueries = usageData?.search_queries;
-
-  const costUsd = costData?.total_cost_usd ?? 0;
-  const budget = costData?.budget;
-  const budgetUtilization = budget?.utilization_pct ?? 0;
-
-  const healthLabel = systemHealth?.status ?? 'unknown';
-  const healthVariant = healthStatusVariant(healthLabel);
-
   return (
     <div className="p-6 max-w-7xl mx-auto" data-testid="dashboard-page">
       <h1 className="text-2xl font-bold text-secondary-900 mb-6">{t('dashboard.title')}</h1>
@@ -119,155 +72,6 @@ export function DashboardPage() {
         />
       </div>
 
-      {/* Platform Dashboard — Phase I.7 (I-DASH) */}
-      <section className="mb-8" aria-label={t('dashboard.platform.title')}>
-        <h2 className="text-lg font-semibold text-secondary-800 mb-4">
-          {t('dashboard.platform.title')}
-        </h2>
-
-        {platformLoading || costLoading || usageLoading ? (
-          <div className="flex items-center justify-center py-12">
-            <Loader2 className="animate-spin h-6 w-6 text-primary-500" aria-hidden="true" />
-          </div>
-        ) : (
-          <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4">
-            {/* Agent status */}
-            <Card title={t('dashboard.platform.agents')}>
-              {agents?.error || platformError ? (
-                <p className="text-sm text-secondary-500">{t('dashboard.platform.unavailable')}</p>
-              ) : (
-                <div className="space-y-3">
-                  <MetricRow
-                    icon={<Bot className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.activeAgents')}
-                    value={agents?.active_agents ?? 0}
-                  />
-                  <MetricRow
-                    icon={<Bot className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.totalRuns')}
-                    value={agents?.total_runs ?? 0}
-                  />
-                  <MetricRow
-                    icon={<Bot className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.recentRuns7d')}
-                    value={agents?.recent_runs_7d ?? 0}
-                  />
-                </div>
-              )}
-            </Card>
-
-            {/* Workflow stats */}
-            <Card title={t('dashboard.platform.workflows')}>
-              {workflows?.error || platformError ? (
-                <p className="text-sm text-secondary-500">{t('dashboard.platform.unavailable')}</p>
-              ) : (
-                <div className="space-y-3">
-                  <MetricRow
-                    icon={<Workflow className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.activeWorkflows')}
-                    value={workflows?.active_workflows ?? 0}
-                  />
-                  <MetricRow
-                    icon={<Workflow className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.runningInstances')}
-                    value={workflows?.running_instances ?? 0}
-                  />
-                  <MetricRow
-                    icon={<Workflow className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.completedInstances')}
-                    value={workflows?.completed_instances ?? 0}
-                  />
-                </div>
-              )}
-            </Card>
-
-            {/* Search metrics */}
-            <Card title={t('dashboard.platform.search')}>
-              {usageError || searchQueries?.error ? (
-                <p className="text-sm text-secondary-500">{t('dashboard.platform.unavailable')}</p>
-              ) : (
-                <div className="space-y-3">
-                  <MetricRow
-                    icon={<Search className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.totalQueries')}
-                    value={searchQueries?.total ?? search?.total_queries ?? 0}
-                  />
-                  <MetricRow
-                    icon={<Search className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.avgLatency')}
-                    value={
-                      typeof search?.avg_latency_ms === 'number'
-                        ? `${search.avg_latency_ms} ms`
-                        : '—'
-                    }
-                  />
-                </div>
-              )}
-            </Card>
-
-            {/* Knowledge coverage */}
-            <Card title={t('dashboard.platform.knowledge')}>
-              {platformError || knowledge?.error ? (
-                <p className="text-sm text-secondary-500">{t('dashboard.platform.unavailable')}</p>
-              ) : (
-                <div className="space-y-3">
-                  <MetricRow
-                    icon={<BookOpen className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.wikiArticles')}
-                    value={knowledge?.wiki_articles ?? 0}
-                  />
-                  <MetricRow
-                    icon={<BookOpen className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.coverage')}
-                    value={
-                      typeof knowledge?.coverage_pct === 'number'
-                        ? `${knowledge.coverage_pct}%`
-                        : '—'
-                    }
-                  />
-                </div>
-              )}
-            </Card>
-
-            {/* Cost tracking */}
-            <Card title={t('dashboard.platform.cost')}>
-              {costError || costData?.error ? (
-                <p className="text-sm text-secondary-500">{t('dashboard.platform.unavailable')}</p>
-              ) : (
-                <div className="space-y-3">
-                  <MetricRow
-                    icon={<DollarSign className="h-4 w-4" aria-hidden="true" />}
-                    label={t('dashboard.platform.totalCost')}
-                    value={`$${costUsd.toFixed(2)}`}
-                  />
-                  {budget?.monthly_limit_usd ? (
-                    <MetricRow
-                      icon={<DollarSign className="h-4 w-4" aria-hidden="true" />}
-                      label={t('dashboard.platform.budgetUtilization')}
-                      value={`${budgetUtilization.toFixed(1)}%`}
-                    />
-                  ) : null}
-                </div>
-              )}
-            </Card>
-
-            {/* System health */}
-            <Card title={t('dashboard.platform.systemHealth')}>
-              {platformError ? (
-                <p className="text-sm text-secondary-500">{t('dashboard.platform.unavailable')}</p>
-              ) : (
-                <div className="flex items-center gap-2">
-                  <HeartPulse className="h-4 w-4 text-primary-500" aria-hidden="true" />
-                  <Badge variant={healthVariant} dot>
-                    {t(`dashboard.platform.health.${healthLabel}`)}
-                  </Badge>
-                </div>
-              )}
-            </Card>
-          </div>
-        )}
-      </section>
-
       {/* Dynamic Plugin Widgets */}
       {widgetsError ? (
         <p className="text-sm text-secondary-500 mb-6" data-testid="dashboard-widgets-unavailable">
@@ -291,31 +95,4 @@ export function DashboardPage() {
   );
 }
 
-function MetricRow({
-  icon,
-  label,
-  value,
-}: {
-  icon: React.ReactNode;
-  label: string;
-  value: string | number;
-}) {
-  return (
-    <div className="flex items-center justify-between">
-      <span className="flex items-center gap-2 text-sm text-secondary-600">
-        <span className="text-primary-500" aria-hidden="true">{icon}</span>
-        {label}
-      </span>
-      <span className="text-sm font-semibold text-secondary-900">{value}</span>
-    </div>
-  );
-}
-
-function healthStatusVariant(status: string): 'success' | 'warning' | 'danger' | 'secondary' {
-  if (status === 'healthy') return 'success';
-  if (status === 'degraded') return 'warning';
-  if (status === 'down') return 'danger';
-  return 'secondary';
-}
-
 export default DashboardPage;

frontend/src/pages/Onboarding.tsx

@@ -1,26 +0,0 @@
-/**
- * OnboardingPage — Route wrapper for SetupWizard component.
- * Renders the SetupWizard as a full-page dialog.
- */
-
-import React, { useCallback } from 'react';
-import { useNavigate } from 'react-router-dom';
-import { SetupWizard } from '@/components/onboarding/SetupWizard';
-
-export function OnboardingPage() {
-  const navigate = useNavigate();
-
-  const handleClose = useCallback(() => {
-    navigate('/dashboard');
-  }, [navigate]);
-
-  const handleComplete = useCallback(() => {
-    navigate('/dashboard');
-  }, [navigate]);
-
-  return (
-    <SetupWizard open={true} onClose={handleClose} onComplete={handleComplete} />
-  );
-}
-
-export default OnboardingPage;

frontend/src/pages/Workstream.tsx

@@ -1,296 +0,0 @@
-/**
- * Workstream page — central view rendering all workstream block types.
- *
- * Block types: text, entity_card, action_card, evidence_card, approval_card,
- * miniapp, workflow_status, workflow_handoff.
- *
- * Backend: app/ai/workstream_contract.py, app/workflows/workstream.py
- */
-
-import React from 'react';
-import { useTranslation } from 'react-i18next';
-import {
-  MessageSquare,
-  Link2,
-  AlertTriangle,
-  Workflow,
-  ArrowRight,
-  Loader2,
-} from 'lucide-react';
-import { Badge } from '@/components/ui/Badge';
-import { EmptyState } from '@/components/ui/EmptyState';
-import { MiniAppBlock } from '@/components/workstream/MiniAppBlock';
-import {
-  EntityCard,
-  ActionButtons,
-  ApprovalCard,
-  ProgressIndicator,
-  DeepLink,
-  type ActionButtonItem,
-} from '@/components/workstream/MiniAppSDK';
-import { ProactiveFeed } from '@/components/workstream/ProactiveFeed';
-import type {
-  WorkstreamMessage,
-  WorkstreamBlock,
-  ProactiveSuggestion,
-} from '@/api/miniapps';
-
-interface WorkstreamPageProps {
-  messages?: WorkstreamMessage[];
-  suggestions?: ProactiveSuggestion[];
-  isLoading?: boolean;
-  onApprove?: (approvalId: string) => void;
-  onReject?: (approvalId: string) => void;
-  onAction?: (action: ActionButtonItem) => void;
-  onSuggestionAction?: (suggestion: ProactiveSuggestion) => void;
-  onDismissSuggestion?: (id: string) => void;
-}
-
-const ACTOR_VARIANT: Record<
-  string,
-  'secondary' | 'primary' | 'info' | 'success'
-> = {
-  human: 'secondary',
-  system: 'info',
-  agent: 'primary',
-  workflow: 'success',
-};
-
-/**
- * Render a single workstream block by type.
- */
-function BlockView({
-  block,
-  onApprove,
-  onReject,
-  onAction,
-}: {
-  block: WorkstreamBlock;
-  onApprove?: (approvalId: string) => void;
-  onReject?: (approvalId: string) => void;
-  onAction?: (action: ActionButtonItem) => void;
-}) {
-  const { t } = useTranslation();
-  const meta = block.metadata ?? {};
-
-  switch (block.type) {
-    case 'text':
-      return (
-        <div className="text-sm whitespace-pre-wrap break-words text-secondary-800">
-          {block.content || String(meta.text ?? '')}
-        </div>
-      );
-
-    case 'entity_card':
-      return (
-        <EntityCard
-          entityType={String(meta.entity_type ?? '')}
-          entityId={String(meta.entity_id ?? '')}
-          title={String(meta.title ?? block.content)}
-          subtitle={String(meta.subtitle ?? '')}
-          url={String(meta.url ?? '')}
-        />
-      );
-
-    case 'action_card': {
-      const actions: ActionButtonItem[] = Array.isArray(meta.actions)
-        ? (meta.actions as ActionButtonItem[])
-        : [];
-      return (
-        <div className="border border-secondary-200 rounded-lg p-4 bg-white shadow-sm space-y-2">
-          <h4 className="text-sm font-semibold text-secondary-900">
-            {String(meta.title ?? block.content)}
-          </h4>
-          {meta.description ? (
-            <p className="text-sm text-secondary-600">
-              {String(meta.description)}
-            </p>
-          ) : null}
-          <ActionButtons actions={actions} onAction={onAction} />
-        </div>
-      );
-    }
-
-    case 'evidence_card':
-      return (
-        <div className="border border-secondary-200 rounded-lg p-4 bg-white shadow-sm">
-          <div className="flex items-center gap-2">
-            <Link2 className="h-4 w-4 text-primary-500" aria-hidden="true" />
-            <h4 className="text-sm font-semibold text-secondary-900">
-              {String(meta.title ?? block.content)}
-            </h4>
-            {typeof meta.confidence === 'number' && (
-              <Badge variant="secondary">
-                {Math.round(meta.confidence * 100)}%
-              </Badge>
-            )}
-          </div>
-          {meta.snippet ? (
-            <p className="mt-2 text-xs text-secondary-500">
-              {String(meta.snippet)}
-            </p>
-          ) : null}
-          {meta.url ? (
-            <div className="mt-2">
-              <DeepLink href={String(meta.url)} label={t('workstream.block.openSource')} external />
-            </div>
-          ) : null}
-        </div>
-      );
-
-    case 'approval_card':
-      return (
-        <ApprovalCard
-          approvalId={String(meta.approval_id ?? '')}
-          action={String(meta.action ?? block.content)}
-          description={String(meta.description ?? '')}
-          onApprove={onApprove}
-          onReject={onReject}
-        />
-      );
-
-    case 'miniapp':
-      return <MiniAppBlock block={block} />;
-
-    case 'workflow_status':
-      return (
-        <div className="border border-secondary-200 rounded-lg p-4 bg-white shadow-sm">
-          <div className="flex items-center gap-2">
-            <Workflow className="h-4 w-4 text-primary-500" aria-hidden="true" />
-            <h4 className="text-sm font-semibold text-secondary-900">
-              {String(meta.workflow_name ?? block.content)}
-            </h4>
-            <Badge variant="info">{String(meta.status ?? '')}</Badge>
-          </div>
-          {meta.step_name ? (
-            <p className="mt-2 text-xs text-secondary-500">
-              {t('workstream.block.step')}: {String(meta.step_name)}
-            </p>
-          ) : null}
-          {typeof meta.step_index === 'number' && (
-            <div className="mt-3">
-              <ProgressIndicator
-                label={t('workstream.block.progress')}
-                value={Math.min(100, (meta.step_index + 1) * 10)}
-                status="in_progress"
-              />
-            </div>
-          )}
-        </div>
-      );
-
-    case 'workflow_handoff':
-      return (
-        <div className="border border-warning-200 rounded-lg p-4 bg-warning-50 shadow-sm">
-          <div className="flex items-center gap-2">
-            <ArrowRight className="h-4 w-4 text-warning-700" aria-hidden="true" />
-            <h4 className="text-sm font-semibold text-secondary-900">
-              {t('workstream.block.handoff')}: {String(meta.handoff_type ?? '')}
-            </h4>
-          </div>
-          {meta.description ? (
-            <p className="mt-2 text-xs text-secondary-600">
-              {String(meta.description)}
-            </p>
-          ) : null}
-        </div>
-      );
-
-    case 'error':
-      return (
-        <div className="border border-danger-200 rounded-lg p-4 bg-danger-50 shadow-sm flex items-start gap-2">
-          <AlertTriangle className="h-4 w-4 text-danger-600 mt-0.5" aria-hidden="true" />
-          <div className="text-sm text-danger-700">
-            {block.content || String(meta.error ?? '')}
-          </div>
-        </div>
-      );
-
-    default:
-      return (
-        <div className="text-xs text-secondary-400 italic p-2 rounded bg-secondary-50">
-          {t('workstream.block.unknown', { type: block.type })}
-        </div>
-      );
-  }
-}
-
-/**
- * Central Workstream page.
- */
-export function WorkstreamPage({
-  messages = [],
-  suggestions = [],
-  isLoading = false,
-  onApprove,
-  onReject,
-  onAction,
-  onSuggestionAction,
-  onDismissSuggestion,
-}: WorkstreamPageProps) {
-  const { t } = useTranslation();
-
-  return (
-    <div className="max-w-3xl mx-auto p-4 space-y-6">
-      <header className="flex items-center gap-2">
-        <MessageSquare className="h-5 w-5 text-primary-500" aria-hidden="true" />
-        <h1 className="text-lg font-semibold text-secondary-900">
-          {t('workstream.title')}
-        </h1>
-      </header>
-
-      <ProactiveFeed
-        suggestions={suggestions}
-        onAction={onSuggestionAction}
-        onDismiss={onDismissSuggestion}
-      />
-
-      {isLoading ? (
-        <div className="flex items-center justify-center py-12">
-          <Loader2 className="animate-spin h-6 w-6 text-primary-500" aria-hidden="true" />
-        </div>
-      ) : messages.length === 0 ? (
-        <EmptyState
-          icon={<MessageSquare className="h-8 w-8" aria-hidden="true" />}
-          title={t('workstream.empty.title')}
-          description={t('workstream.empty.description')}
-        />
-      ) : (
-        <div className="space-y-4">
-          {messages.map((message, idx) => (
-            <article
-              key={message.actor_id ? `${message.actor_id}-${idx}` : idx}
-              className="border border-secondary-200 rounded-lg bg-white shadow-sm p-4"
-            >
-              <div className="flex items-center gap-2 mb-3">
-                <Badge variant={ACTOR_VARIANT[message.actor_type] ?? 'secondary'}>
-                  {t(`workstream.actor.${message.actor_type}`)}
-                </Badge>
-                {message.content && (
-                  <span className="text-sm text-secondary-600 truncate">
-                    {message.content}
-                  </span>
-                )}
-              </div>
-              {message.blocks && message.blocks.length > 0 && (
-                <div className="space-y-3">
-                  {message.blocks.map((block, bidx) => (
-                    <BlockView
-                      key={bidx}
-                      block={block}
-                      onApprove={onApprove}
-                      onReject={onReject}
-                      onAction={onAction}
-                    />
-                  ))}
-                </div>
-              )}
-            </article>
-          ))}
-        </div>
-      )}
-    </div>
-  );
-}
-
-export default WorkstreamPage;