Add raw GVL evidence storage and restore evidence purge UI

src/popup/popup.js

@@ -16,6 +16,18 @@ const evidenceDashboardButton = document.getElementById(
 const evidenceExportJsonButton = document.getElementById(
   "evidence-export-json-button"
 );
+const evidencePurgeUnlockedButton = document.getElementById(
+  "evidence-purge-unlocked-button"
+);
+const evidencePurgeConfirmModal = document.getElementById(
+  "evidence-purge-confirm-modal"
+);
+const evidencePurgeCancelButton = document.getElementById(
+  "evidence-purge-cancel-button"
+);
+const evidencePurgeConfirmButton = document.getElementById(
+  "evidence-purge-confirm-button"
+);
 const evidenceExportJsonStatus = document.getElementById(
   "evidence-export-json-status"
 );
@@ -69,6 +81,9 @@ document.addEventListener("DOMContentLoaded", async () => {
   });
 
   evidenceExportJsonButton.addEventListener("click", exportEvidenceJsonFile);
+  evidencePurgeUnlockedButton.addEventListener("click", openPurgeConfirmModal);
+  evidencePurgeCancelButton.addEventListener("click", closePurgeConfirmModal);
+  evidencePurgeConfirmButton.addEventListener("click", purgeUnlockedEvidence);
 });
 
 async function renderSettings() {
@@ -143,6 +158,48 @@ function renderEvidenceRetentionMessage(message) {
   evidenceRetentionStatus.textContent = message;
 }
 
+function openPurgeConfirmModal() {
+  evidencePurgeConfirmModal.hidden = false;
+  evidencePurgeCancelButton.focus();
+}
+
+function closePurgeConfirmModal() {
+  evidencePurgeConfirmModal.hidden = true;
+  evidencePurgeUnlockedButton.focus();
+}
+
+async function purgeUnlockedEvidence() {
+  closePurgeConfirmModal();
+  evidencePurgeUnlockedButton.disabled = true;
+  renderEvidenceRetentionMessage("Ungesperrte Evidence-Daten werden gelöscht...");
+
+  try {
+    const result = await browser.runtime.sendMessage({
+      type: "purge_unlocked_evidence_records"
+    });
+
+    if (!result?.success) {
+      throw new Error(result?.error ?? "purge_unlocked_evidence_records_failed");
+    }
+
+    await renderEvidenceRetentionStatus();
+    renderEvidenceRetentionMessage(buildPurgeUnlockedSuccessMessage(result));
+  } catch (error) {
+    renderEvidenceRetentionMessage("Löschen fehlgeschlagen");
+    console.warn("VendorGet-IV unlocked evidence purge failed", error);
+  } finally {
+    evidencePurgeUnlockedButton.disabled = false;
+  }
+}
+
+function buildPurgeUnlockedSuccessMessage(result) {
+  if (Number.isFinite(result.deletedCount)) {
+    return `Ungesperrte Evidence-Daten gelöscht: ${result.deletedCount} Records`;
+  }
+
+  return "Ungesperrte Evidence-Daten gelöscht";
+}
+
 async function exportEvidenceJsonFile() {
   evidenceExportJsonButton.disabled = true;
   renderEvidenceExportJsonMessage("Export läuft…");