feat(market-intel): implement role-based campaign engine and gritty reporting

- Implementierung der rollenbasierten Campaign-Engine mit operativem Fokus (Grit).
- Integration von Social Proof (Referenzkunden) in die E-Mail-Generierung.
- Erweiterung des Deep Tech Audits um gezielte Wettbewerber-Recherche (Technographic Search).
- Fix des Lösch-Bugs in der Target-Liste und Optimierung des Frontend-States.
- Erweiterung des Markdown-Exports um transparente Proof-Links und Evidenz.
- Aktualisierung der Dokumentation in readme.md und market_intel_backend_plan.md.

general-market-intelligence/components/StepReport.tsx

@@ -46,8 +46,26 @@ export const StepReport: React.FC<StepReportProps> = ({ results, strategy, onRes
     const headers = ["Company", "Prio", "Rev/Emp", "Status", ...signalHeaders, "Recommendation"];
     
     const rows = sortedResults.map(r => {
-        const signalValues = strategy.signals.map(s => r.dynamicAnalysis[s.id]?.value || '-');
-        return `| ${r.companyName} | ${r.tier} | ${r.revenue} / ${r.employees} | ${r.status} | ${signalValues.join(" | ")} | ${r.recommendation} |`;
+        const signalValues = strategy.signals.map(s => {
+            const data = r.dynamicAnalysis[s.id];
+            if (!data) return '-';
+            
+            let content = data.value || '-';
+            // Sanitize content pipes
+            content = content.replace(/\|/g, '\\|');
+
+            if (data.proof) {
+                // Sanitize proof pipes and newlines
+                const safeProof = data.proof.replace(/\|/g, '\\|').replace(/(\r\n|\n|\r)/gm, ' ');
+                content += `<br><sub>*Proof: ${safeProof}*</sub>`;
+            }
+            return content;
+        });
+
+        // Helper to sanitize other fields
+        const safe = (str: string) => (str || '').replace(/\|/g, '\\|').replace(/(\r\n|\n|\r)/gm, ' ');
+
+        return `| ${safe(r.companyName)} | ${r.tier} | ${safe(r.revenue)} / ${safe(r.employees)} | ${r.status} | ${signalValues.join(" | ")} | ${safe(r.recommendation)} |`;
     });
     
     const content = `