feat(company-explorer): Initial Web UI & Backend with Enrichment Flow

This commit introduces the foundational elements for the new "Company Explorer" web application, marking a significant step away from the legacy Google Sheets / CLI system.

Key changes include:
- Project Structure: A new  directory with separate  (FastAPI) and  (React/Vite) components.
- Data Persistence: Migration from Google Sheets to a local SQLite database () using SQLAlchemy.
- Core Utilities: Extraction and cleanup of essential helper functions (LLM wrappers, text utilities) into .
- Backend Services: , ,  for AI-powered analysis, and  logic.
- Frontend UI: Basic React application with company table, import wizard, and dynamic inspector sidebar.
- Docker Integration: Updated  and  for multi-stage builds and sideloading.
- Deployment & Access: Integrated into central Nginx proxy and dashboard, accessible via .

Lessons Learned & Fixed during development:
- Frontend Asset Loading: Addressed issues with Vite's  path and FastAPI's .
- TypeScript Configuration: Added  and .
- Database Schema Evolution: Solved  errors by forcing a new database file and correcting  override.
- Logging: Implemented robust file-based logging ().

This new foundation provides a powerful and maintainable platform for future B2B robotics lead generation.

dashboard/index.html

@@ -152,6 +152,17 @@
             <!-- WICHTIG: Relativer Link für Reverse Proxy -->
             <a href="/gtm/" class="btn">Starten &rarr;</a>
         </div>
+
+        <!-- Company Explorer (Robotics) -->
+        <div class="card">
+            <span class="card-icon">🤖</span>
+            <h2>Company Explorer</h2>
+            <p>
+                Das zentrale CRM-Data-Mining Tool. Importieren, Deduplizieren und Anreichern von Firmenlisten mit Fokus auf Robotik-Potential.
+            </p>
+            <!-- Jetzt direkt zum Frontend -->
+            <a href="/ce/" class="btn">Starten &rarr;</a>
+        </div>
         
     </div>