mein-solar: full feature set

- Schema: companyType, topics, salesScore, salesReason, offerPackage, approved, approvedAt, SearchHistory table
- /api/search-history: GET (by mode) + POST (save query)
- /api/ai-search: stadtwerke/industrie/custom prompts with history dedup
- /api/enrich-leads: website scraping + GPT-4o-mini enrichment (fire-and-forget after each job)
- /api/generate-email: personalized outreach via GPT-4o
- Suche page: 3 mode tabs (Stadtwerke/Industrie/Freie Suche), Alle-Bundesländer queue button, AiSearchModal gets searchMode + history
- Leadspeicher: Bewertung dots column, Paket badge column, Freigeben toggle button, email generator in SidePanel, approved-only export option
- Leads API: approvedOnly + companyType filters, new fields in PATCH

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/api/leads/[id]/route.ts

@@ -13,6 +13,8 @@ export async function PATCH(req: NextRequest, { params }: { params: Promise<{ id
       "status", "priority", "notes", "tags", "country", "headcount",
       "industry", "contactedAt", "companyName", "contactName", "contactTitle",
       "email", "phone", "linkedinUrl", "domain",
+      "companyType", "topics", "salesScore", "salesReason", "offerPackage",
+      "approved", "approvedAt",
     ];
 
     const data: Record<string, unknown> = {};