chore: update latest.json for 0.3.15

latest.json

@@ -1,11 +1,23 @@
-{
-  "notes": "",
-  "pub_date": "2026-06-02T22:59:04Z",
-  "version": "0.3.9",
-  "platforms": {
-    "windows-x86_64": {
-      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVTNCsrdDFmR01pWmRScHZTbG5neVZkcFhtN1cwQlJUWFFPK3RvcS9Qak5McHpjc0hXcU1FMWZheVhoWVNSbExTclJHZy9FVGJ6MzBZME5kMmk1cGx4SVk1VlRqcGxRVUFZPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzgwNDY2MzM5CWZpbGU6Z290aWZ5Qm9hcmRfMC4zLjlfeDY0LXNldHVwLmV4ZQp4UWdtdDZwdmxaNEc5OUhUcE81a2ZkTFhZSUhFU0pMMmlrOThrc212Y0RLSTUvWWFZU1JIU3JPdW5SbWhqUWU5dzVESGtWay9icVZmcmJhQklaYktCQT09Cg==",
-      "url": "https://gitea.euronvault.com/euronvault/gotifyboard-updates/releases/download/v0.3.9/gotifyBoard_0.3.9_x64-setup.exe"
-    }
-  }
-}
+{
+  "version": "0.3.15",
+  "notes": "Local message retention (SQLite), configurable policy, Load older, dark-theme countdown bar fix, suspend/wake resync",
+  "pub_date": "2026-06-11T15:15:43.801Z",
+  "platforms": {
+    "linux-x86_64": {
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVTNCsrdDFmR01pWlQwNjM5U1VPSHFJUnRwSURXTmRDR0J6d2R0bU5hTmNiSnVacVpvYWQ2clZIUTJWVEw1NlNMYnJXOFFpU3YxdUpDR3A5Y2FhTWpZQkJmbSsvWTI1c1FNPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzgxMTkwNDI5CWZpbGU6Z290aWZ5Qm9hcmRfMC4zLjE1X2FtZDY0LkFwcEltYWdlCitJOTZLUVh0RHNwdlN3SG5kbGlBR0lhUHcvTzlvSitxWHhpdDMvQ0diRXI4cHNGb3JNcTNnMDYrckNmblZCaGp0T2xTSEpXY0pOQjZhdGJNSDdxS0JRPT0K",
+      "url": "https://gitea.euronvault.com/euronvault/gotifyboard-updates/releases/download/v0.3.15/gotifyBoard_0.3.15_amd64.AppImage"
+    },
+    "linux-x86_64-deb": {
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVTNCsrdDFmR01pWmJPNUxQU3JMZm5mMDkwVHZlT2d2T1VoYTRqbVI2U2Z6R3JKWkFXTU5FK2hCZ1kvMVcxNkhnT3dBMGdVdTNvVWdldzhPRFlPSElCUWd5bGdUeU9zdmc0PQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzgxMTkwNDMwCWZpbGU6Z290aWZ5Qm9hcmRfMC4zLjE1X2FtZDY0LmRlYgpUK0UzTUpoSW1obVpPY01SaGNHeENodXc0Rk5LZTNBUnRtMStPY2hyMDNZdmJncEYyNGQ2b1BPTjRYYlJ5R0ZxdGp2aUh0VWNaWU5OamtjbTRsRFBCdz09Cg==",
+      "url": "https://gitea.euronvault.com/euronvault/gotifyboard-updates/releases/download/v0.3.15/gotifyBoard_0.3.15_amd64.deb"
+    },
+    "linux-x86_64-rpm": {
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVTNCsrdDFmR01pWmFqZ0o2Mm5wckczcmQ3WkM4Y3FiK1JMbXl4ZkhzWUV0OFdNdFkrT1VlZ0EzZW5LUzNXVEVGVzQ4MXlBYlhXUDQyWEd0LzM2NTdSdXhad3NPdXFPckFvPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzgxMTkwNDMwCWZpbGU6Z290aWZ5Qm9hcmQtMC4zLjE1LTEueDg2XzY0LnJwbQpaZlcxY09nNjNnbnJ2WVBESXF4dDVYdE53QkY5bFNjaVlyS0hkSStsV3JBMmpKNW5pWk14K1lvWElvS0NZUzFFVjZuYjJDdmRMZ05odklpYzljOU5CZz09Cg==",
+      "url": "https://gitea.euronvault.com/euronvault/gotifyboard-updates/releases/download/v0.3.15/gotifyBoard-0.3.15-1.x86_64.rpm"
+    },
+    "windows-x86_64": {
+      "url": "https://gitea.euronvault.com/euronvault/gotifyboard-updates/releases/download/v0.3.15/gotifyBoard_0.3.15_x64-setup.exe",
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVTNCsrdDFmR01pWlNwTE02NDZxSVd1Y2dNd1JmV00vU1c4STRUd2ZkNE1lSGVUS2orUWJXdjUvYjh2bjJocmJycitDY0RYcUdLTWxsZTl6WkV4cVp0RFFxclU5TFF1R2drPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzgxMTkwOTM4CWZpbGU6Z290aWZ5Qm9hcmRfMC4zLjE1X3g2NC1zZXR1cC5leGUKVW95QzhMRDZ2bDZwRUFseFUyZ2hiMmhydm8zTVNtcFBUNnRWMnFpL2hPNTN6dmZMU2lnTVl1RTF1ODBtbm5KcWg0NjduZ1ZnSFFVL0VWWlNIZ0hCREE9PQo="
+    }
+  }
+}