Add logbook entries, data export page, and JSON import

templates/export.html

@@ -0,0 +1,70 @@
+{% extends "base.html" %}
+{% block title %}Export — Battery Tracker{% endblock %}
+
+{% block content %}
+<h1 style="margin-bottom:1.25rem;">Export Data</h1>
+
+<div class="card" style="margin-bottom:1rem;">
+  <h2 style="margin-bottom:0.5rem;">Full Export</h2>
+  <p style="color:var(--text-muted,#6b7280);margin-bottom:1rem;">
+    Download your complete dataset — batteries, devices, charge logs, capacity tests, and percentage history.
+  </p>
+  <div style="display:flex;gap:0.75rem;flex-wrap:wrap;">
+    <a href="{{ url_for('export_csv_zip') }}" class="btn btn-primary">Download All CSVs (.zip)</a>
+    <a href="{{ url_for('export_json') }}" class="btn btn-secondary">Download JSON</a>
+  </div>
+</div>
+
+<div class="card">
+  <h2 style="margin-bottom:0.5rem;">Individual CSV Files</h2>
+  <p style="color:var(--text-muted,#6b7280);margin-bottom:1rem;">Download a single table at a time.</p>
+  <table style="border-collapse:collapse;width:100%;">
+    <tbody>
+      <tr>
+        <td style="padding:0.4rem 0.75rem 0.4rem 0;">
+          <a href="{{ url_for('export_batteries_csv') }}" class="btn btn-sm btn-secondary">batteries.csv</a>
+        </td>
+        <td style="padding:0.4rem 0;color:var(--text-muted,#6b7280);font-size:0.9rem;">
+          All batteries with device name
+        </td>
+      </tr>
+      <tr>
+        <td style="padding:0.4rem 0.75rem 0.4rem 0;">
+          <a href="{{ url_for('export_devices_csv') }}" class="btn btn-sm btn-secondary">devices.csv</a>
+        </td>
+        <td style="padding:0.4rem 0;color:var(--text-muted,#6b7280);font-size:0.9rem;">
+          All devices with installed battery count
+        </td>
+      </tr>
+      <tr>
+        <td style="padding:0.4rem 0.75rem 0.4rem 0;">
+          <a href="{{ url_for('export_charge_logs_csv') }}" class="btn btn-sm btn-secondary">charge-logs.csv</a>
+        </td>
+        <td style="padding:0.4rem 0;color:var(--text-muted,#6b7280);font-size:0.9rem;">
+          All charge log entries with battery label
+        </td>
+      </tr>
+      <tr>
+        <td style="padding:0.4rem 0.75rem 0.4rem 0;">
+          <a href="{{ url_for('export_capacity_tests_csv') }}" class="btn btn-sm btn-secondary">capacity-tests.csv</a>
+        </td>
+        <td style="padding:0.4rem 0;color:var(--text-muted,#6b7280);font-size:0.9rem;">
+          All capacity test results with battery label
+        </td>
+      </tr>
+      <tr>
+        <td style="padding:0.4rem 0.75rem 0.4rem 0;">
+          <a href="{{ url_for('export_pct_logs_csv') }}" class="btn btn-sm btn-secondary">pct-logs.csv</a>
+        </td>
+        <td style="padding:0.4rem 0;color:var(--text-muted,#6b7280);font-size:0.9rem;">
+          Battery percentage history
+        </td>
+      </tr>
+    </tbody>
+  </table>
+</div>
+
+<div style="margin-top:0.75rem;">
+  <a href="{{ url_for('import_page') }}" class="btn btn-secondary">Import JSON</a>
+</div>
+{% endblock %}