sequentech · Findeton · May 10, 2026 · May 9, 2026
diff --git a/.devcontainer/minio/public-assets/participation_report.json b/.devcontainer/minio/public-assets/participation_report.json
@@ -0,0 +1,25 @@
+{
+  "execution_annotations": {
+    "date_printed": "2026-05-09T10:30:00+00:00",
+    "report_hash": "preview-report-hash",
+    "app_version": "preview",
+    "software_version": "preview",
+    "app_hash": "preview-app-hash",
+    "executer_username": "admin",
+    "results_hash": null
+  },
+  "participation": {
+    "scope": "election_event",
+    "tenant_id": "00000000-0000-0000-0000-000000000001",
+    "election_event_id": "00000000-0000-0000-0000-000000000002",
+    "election_id": null,
+    "election_event_name": "Election Event",
+    "election_name": null,
+    "generated_at": "2026-05-09T10:30:00+00:00",
+    "generated_timezone": "+00:00",
+    "total_voters": 1250,
+    "voted_voters": 895,
+    "participation_percentage": 71.6,
+    "votes_count": 910
+  }
+}
diff --git a/.devcontainer/minio/public-assets/participation_report_extra_config.json b/.devcontainer/minio/public-assets/participation_report_extra_config.json
@@ -0,0 +1,34 @@
+{
+  "pdf_options": {
+    "landscape": null,
+    "display_header_footer": null,
+    "print_background": true,
+    "scale": null,
+    "paper_width": null,
+    "paper_height": null,
+    "margin_top": null,
+    "margin_bottom": null,
+    "margin_left": null,
+    "margin_right": null,
+    "page_ranges": null,
+    "ignore_invalid_page_ranges": null,
+    "header_template": null,
+    "footer_template": null,
+    "prefer_css_page_size": null,
+    "transfer_mode": null
+  },
+  "report_options": {
+    "max_items_per_report": null,
+    "max_threads": null
+  },
+  "communication_templates": {
+    "email_config": {
+      "subject": "Participation Report",
+      "plaintext_body": "",
+      "html_body": null
+    },
+    "sms_config": {
+      "message": ""
+    }
+  }
+}
diff --git a/.devcontainer/minio/public-assets/participation_report_system.hbs b/.devcontainer/minio/public-assets/participation_report_system.hbs
@@ -0,0 +1,104 @@
+{{!--
+ SPDX-FileCopyrightText: 2025 Sequent Tech Inc <legal@sequentech.io>
+
+ SPDX-License-Identifier: AGPL-3.0-only
+--}}
+<!doctype html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <style type="text/css">
+      body {
+        background: #ffffff;
+        color: #111111;
+        font-family: Arial, sans-serif;
+        margin: 0 auto;
+        max-width: 900px;
+        padding: 36px;
+      }
+
+      .report {
+        width: 100%;
+      }
+
+      .report-header {
+        border-bottom: 2px solid #111111;
+        margin-bottom: 28px;
+        padding-bottom: 16px;
+      }
+
+      .eyebrow {
+        font-size: 11px;
+        font-weight: bold;
+        letter-spacing: 0;
+        margin: 0 0 8px;
+        text-transform: uppercase;
+      }
+
+      h1 {
+        font-size: 24px;
+        line-height: 1.25;
+        margin: 0;
+      }
+
+      h2 {
+        font-size: 16px;
+        line-height: 1.35;
+        margin: 8px 0 0;
+      }
+
+      table {
+        border-collapse: collapse;
+        width: 100%;
+      }
+
+      th,
+      td {
+        border-bottom: 1px solid #d5d5d5;
+        font-size: 14px;
+        padding: 12px 10px;
+        text-align: left;
+      }
+
+      th {
+        font-weight: bold;
+        width: 45%;
+      }
+
+      td {
+        text-align: right;
+      }
+
+      .metadata {
+        color: #333333;
+        font-size: 11px;
+        margin-top: 32px;
+        word-break: break-word;
+      }
+
+      .metadata p {
+        margin: 4px 0;
+      }
+
+      .metadata span {
+        font-family: monospace;
+      }
+
+      @media print {
+        @page {
+          margin: 0.6in;
+        }
+
+        body {
+          font-size: 11px;
+          padding: 0;
+        }
+      }
+    </style>
+  </head>
+  <body>
+    {{{rendered_user_template}}}
+  </body>
+</html>
diff --git a/.devcontainer/minio/public-assets/participation_report_user.hbs b/.devcontainer/minio/public-assets/participation_report_user.hbs
@@ -0,0 +1,52 @@
+{{!--
+ SPDX-FileCopyrightText: 2025 Sequent Tech Inc <legal@sequentech.io>
+
+ SPDX-License-Identifier: AGPL-3.0-only
+--}}
+<main class="report">
+  <header class="report-header">
+    <p class="eyebrow">Participation Report</p>
+    <h1>{{sanitize_html participation.election_event_name}}</h1>
+    {{#if participation.election_name}}
+      <h2>{{sanitize_html participation.election_name}}</h2>
+    {{/if}}
+  </header>
+
+  <section class="summary">
+    <table>
+      <tbody>
+        <tr>
+          <th>Total voters</th>
+          <td>{{format_u64 participation.total_voters}}</td>
+        </tr>
+        <tr>
+          <th>Voted voters</th>
+          <td>{{format_u64 participation.voted_voters}}</td>
+        </tr>
+        <tr>
+          <th>Participation</th>
+          <td>{{format_percentage participation.participation_percentage}}%</td>
+        </tr>
+        <tr>
+          <th>Votes</th>
+          <td>{{format_u64 participation.votes_count}}</td>
+        </tr>
+        <tr>
+          <th>Generated</th>
+          <td>{{datetime from_rfc3339=participation.generated_at output_format="%B %d, %Y %H:%M GMT %:z"}}</td>
+        </tr>
+      </tbody>
+    </table>
+  </section>
+
+  <section class="metadata">
+    <p>Tenant ID: <span>{{sanitize_html participation.tenant_id}}</span></p>
+    <p>Election event ID: <span>{{sanitize_html participation.election_event_id}}</span></p>
+    {{#if participation.election_id}}
+      <p>Election ID: <span>{{sanitize_html participation.election_id}}</span></p>
+    {{/if}}
+    <p>Report hash: <span>{{sanitize_html execution_annotations.report_hash}}</span></p>
+    <p>Software version: <span>{{sanitize_html execution_annotations.software_version}}</span></p>
+    <p>System hash: <span>{{sanitize_html execution_annotations.app_hash}}</span></p>
+  </section>
+</main>
diff --git a/hasura/migrations/backend-db/1778284800000_add_participation_report_indexes/down.sql b/hasura/migrations/backend-db/1778284800000_add_participation_report_indexes/down.sql
@@ -0,0 +1,2 @@
+DROP INDEX IF EXISTS sequent_backend.cast_vote_participation_election_idx;
+DROP INDEX IF EXISTS sequent_backend.cast_vote_participation_event_idx;
diff --git a/hasura/migrations/backend-db/1778284800000_add_participation_report_indexes/up.sql b/hasura/migrations/backend-db/1778284800000_add_participation_report_indexes/up.sql
@@ -0,0 +1,5 @@
+CREATE INDEX IF NOT EXISTS cast_vote_participation_event_idx
+ON sequent_backend.cast_vote (tenant_id, election_event_id, voter_id_string);
+
+CREATE INDEX IF NOT EXISTS cast_vote_participation_election_idx
+ON sequent_backend.cast_vote (tenant_id, election_event_id, election_id, voter_id_string);
diff --git a/packages/admin-portal/src/translations/cat.ts b/packages/admin-portal/src/translations/cat.ts
@@ -1089,6 +1089,7 @@ const catalanTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Rebut de la Papereta",
                 ELECTORAL_RESULTS: "Resultats Electorals",
                 MANUAL_VERIFICATION: "Verificació Manual",
+                PARTICIPATION_REPORT: "Informe de Participació",
                 STATISTICAL_REPORT: "Informe Estadístic",
                 OVCS_EVENTS: "Seguiment del Vot a l'Estranger - Esdeveniments OVCS",
                 AUDIT_LOGS: "Registres d'Auditoria",
@@ -2039,6 +2040,7 @@ const catalanTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Rebut de Vot",
                 ACTIVITY_LOGS: "Registres d'Activitats",
                 MANUAL_VERIFICATION: "Verificació Manual",
+                PARTICIPATION_REPORT: "Informe de Participació",
             },
             method: {
                 email: "Email",

diff --git a/packages/admin-portal/src/translations/en.ts b/packages/admin-portal/src/translations/en.ts
@@ -1068,6 +1068,7 @@ const englishTranslation = {
                 BALLOT_RECEIPT: "Ballot Receipt",
                 ELECTORAL_RESULTS: "Electoral Results",
                 MANUAL_VERIFICATION: "Manual Verification",
+                PARTICIPATION_REPORT: "Participation Report",
                 STATISTICAL_REPORT: "Statistical Report",
                 OVCS_EVENTS: "Overseas Voting Monitoring - OVCS Events",
                 AUDIT_LOGS: "Audit Logs",
@@ -2014,6 +2015,7 @@ const englishTranslation = {
                 BALLOT_RECEIPT: "Ballot Receipt",
                 ACTIVITY_LOGS: "Activity Logs",
                 MANUAL_VERIFICATION: "Manual Verification",
+                PARTICIPATION_REPORT: "Participation Report",
             },
             method: {
                 email: "Email",

diff --git a/packages/admin-portal/src/translations/es.ts b/packages/admin-portal/src/translations/es.ts
@@ -1080,6 +1080,7 @@ const spanishTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Recibo de Voto",
                 ELECTORAL_RESULTS: "Resultados Electorales",
                 MANUAL_VERIFICATION: "Verificación Manual",
+                PARTICIPATION_REPORT: "Informe de Participación",
                 STATISTICAL_REPORT: "Informe Estadístico",
                 OVCS_EVENTS: "Monitoreo de Votación en el Extranjero - Eventos OVCS",
                 AUDIT_LOGS: "Registros de Auditoría",
@@ -2032,6 +2033,7 @@ const spanishTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Recibo de Voto",
                 ACTIVITY_LOGS: "Registros de Actividades",
                 MANUAL_VERIFICATION: "Verificación Manual",
+                PARTICIPATION_REPORT: "Informe de Participación",
             },
             method: {
                 email: "Email",

diff --git a/packages/admin-portal/src/translations/eu.ts b/packages/admin-portal/src/translations/eu.ts
@@ -1074,6 +1074,7 @@ const basqueTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Bozketa Jasoagiria",
                 ELECTORAL_RESULTS: "Hauteskunde Emaitzak",
                 MANUAL_VERIFICATION: "Eskuzko Egiaztapena",
+                PARTICIPATION_REPORT: "Parte-hartze Txostena",
                 STATISTICAL_REPORT: "Txosten Estatistikoa",
                 OVCS_EVENTS: "Atzerriko Bozketa Monitorizazioa - OVCS Gertaerak",
                 AUDIT_LOGS: "Auditoria Egunkariak",
@@ -2023,6 +2024,7 @@ const basqueTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Bozketa Jasoagiria",
                 ACTIVITY_LOGS: "Jarduera Egunkariak",
                 MANUAL_VERIFICATION: "Eskuzko Egiaztapena",
+                PARTICIPATION_REPORT: "Parte-hartze Txostena",
             },
             method: {
                 email: "Emaila",

diff --git a/packages/admin-portal/src/translations/fr.ts b/packages/admin-portal/src/translations/fr.ts
@@ -1084,6 +1084,7 @@ const frenchTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Reçu de Bulletin",
                 ELECTORAL_RESULTS: "Résultats Électoraux",
                 MANUAL_VERIFICATION: "Vérification Manuelle",
+                PARTICIPATION_REPORT: "Rapport de Participation",
                 STATISTICAL_REPORT: "Rapport Statistique",
                 OVCS_EVENTS: "Suivi du Vote à l'Étranger - Événements OVCS",
                 AUDIT_LOGS: "Journaux d'Audit",
@@ -2043,6 +2044,7 @@ const frenchTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Reçu de Vote",
                 ACTIVITY_LOGS: "Journaux d'Activité",
                 MANUAL_VERIFICATION: "Vérification Manuelle",
+                PARTICIPATION_REPORT: "Rapport de Participation",
             },
             method: {
                 email: "Email",

diff --git a/packages/admin-portal/src/translations/gl.ts b/packages/admin-portal/src/translations/gl.ts
@@ -1079,6 +1079,7 @@ const galegoTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Recibo da Papeleta",
                 ELECTORAL_RESULTS: "Resultados Electorais",
                 MANUAL_VERIFICATION: "Verificación Manual",
+                PARTICIPATION_REPORT: "Informe de Participación",
                 STATISTICAL_REPORT: "Informe Estatístico",
                 OVCS_EVENTS: "Monitorización de Votación no Estranxeiro - Eventos OVCS",
                 AUDIT_LOGS: "Rexistros de Auditoría",
@@ -2031,6 +2032,7 @@ const galegoTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Recibo de Voto",
                 ACTIVITY_LOGS: "Registros de Actividades",
                 MANUAL_VERIFICATION: "Verificación Manual",
+                PARTICIPATION_REPORT: "Informe de Participación",
             },
             method: {
                 email: "Correo",

diff --git a/packages/admin-portal/src/translations/nl.ts b/packages/admin-portal/src/translations/nl.ts
@@ -1074,6 +1074,7 @@ const dutchTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Ontvangstbewijs Stembiljet",
                 ELECTORAL_RESULTS: "Verkiezingsresultaten",
                 MANUAL_VERIFICATION: "Handmatige Verificatie",
+                PARTICIPATION_REPORT: "Participatierapport",
                 STATISTICAL_REPORT: "Statistisch Rapport",
                 OVCS_EVENTS: "Monitoring Stemmen Buitenland - OVCS Gebeurtenissen",
                 AUDIT_LOGS: "Auditlogs",
@@ -2026,6 +2027,7 @@ const dutchTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Ontvangstbewijs Stembiljet",
                 ACTIVITY_LOGS: "Activiteitenlogs",
                 MANUAL_VERIFICATION: "Handmatige Verificatie",
+                PARTICIPATION_REPORT: "Participatierapport",
             },
             method: {
                 email: "E-mail",

diff --git a/packages/admin-portal/src/translations/tl.ts b/packages/admin-portal/src/translations/tl.ts
@@ -1079,6 +1079,7 @@ const tagalogTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Resibo ng Balota",
                 ELECTORAL_RESULTS: "Mga Resulta ng Eleksyon",
                 MANUAL_VERIFICATION: "Manwal na Pag-verify",
+                PARTICIPATION_REPORT: "Ulat ng Pakikilahok",
                 STATISTICAL_REPORT: "Ulat ng Istatistika",
                 OVCS_EVENTS: "Pagsubaybay ng Botohan sa Ibang Bansa - Mga Kaganapan ng OVCS",
                 AUDIT_LOGS: "Mga Talaan ng Awdit",
@@ -2035,6 +2036,7 @@ const tagalogTranslation: TranslationType = {
                 BALLOT_RECEIPT: "Resibo ng Balota",
                 ACTIVITY_LOGS: "Mga Tala ng Aktibidad",
                 MANUAL_VERIFICATION: "Manwal na Pag-verify",
+                PARTICIPATION_REPORT: "Ulat ng Pakikilahok",
             },
             method: {
                 email: "Email",

diff --git a/packages/admin-portal/src/types/reports.ts b/packages/admin-portal/src/types/reports.ts
@@ -19,6 +19,7 @@ export enum EReportType {
     BALLOT_RECEIPT = ETemplateType.BALLOT_RECEIPT,
     ACTIVITY_LOGS = ETemplateType.ACTIVITY_LOGS,
     MANUAL_VERIFICATION = ETemplateType.MANUAL_VERIFICATION,
+    PARTICIPATION_REPORT = ETemplateType.PARTICIPATION_REPORT,
 }
 
 export enum EReportElectionPolicy {
@@ -77,6 +78,18 @@ export const reportTypeConfig: {
         electionPolicy: EReportElectionPolicy.ELECTION_NOT_ALLOWED,
         associatedTemplateType: ETemplateType.MANUAL_VERIFICATION,
     },
+    [EReportType.PARTICIPATION_REPORT]: {
+        actions: [
+            ReportActions.EDIT,
+            ReportActions.DELETE,
+            ReportActions.PREVIEW,
+            ReportActions.GENERATE,
+            ReportActions.GENERATE_SCHEDULED,
+        ],
+        templateRequired: false,
+        electionPolicy: EReportElectionPolicy.ELECTION_ALLOWED,
+        associatedTemplateType: ETemplateType.PARTICIPATION_REPORT,
+    },
     default: {
         actions: [ReportActions.EDIT, ReportActions.DELETE, ReportActions.PREVIEW],
         templateRequired: false,

diff --git a/packages/admin-portal/src/types/templates.ts b/packages/admin-portal/src/types/templates.ts
@@ -23,6 +23,7 @@ export enum ETemplateType {
     BALLOT_RECEIPT = "BALLOT_RECEIPT",
     ACTIVITY_LOGS = "ACTIVITY_LOGS",
     MANUAL_VERIFICATION = "MANUAL_VERIFICATION",
+    PARTICIPATION_REPORT = "PARTICIPATION_REPORT",
 }
 
 export enum ITemplateMethod {
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		DROP INDEX IF EXISTS sequent_backend.cast_vote_participation_election_idx;
		DROP INDEX IF EXISTS sequent_backend.cast_vote_participation_event_idx;