{% extends "base.html" %}
{% block title %}revisions · tau-x402-cage{% endblock %}
{% block content %}
  <h1 class="question">How has the policy changed over time?</h1>
  <p class="lede">
    Append-only proof-token chain. Every admission produces a row; every
    row is content-addressed so auditors can replay.
  </p>

  <section>
    <h2>Chain ({{ total }} total)</h2>
    {% if entries %}
      <table class="dense">
        <thead>
          <tr>
            <th>#</th>
            <th>Hash</th>
            <th>Backend</th>
            <th>Strength</th>
            <th>Mode</th>
            <th>Issued</th>
            <th>Diff</th>
          </tr>
        </thead>
        <tbody>
          {% for e in entries %}
            <tr>
              <td>{{ total - offset - loop.index0 }}</td>
              <td>
                {% set rid = e.get("config_hash") or e.get("revision_id") %}
                {% if rid %}
                  <a href="/ui/revisions/{{ rid }}">{{ rid[:16] }}…</a>
                {% else %}—{% endif %}
              </td>
              <td>{{ e.get("backend", "—") }}</td>
              <td>{{ e.get("proof_strength", "—") }}</td>
              <td>{{ e.get("prover_mode", "—") }}</td>
              <td>{{ e.get("issued_at_unix", "—") }}</td>
              <td>
                {% set prev = e.get("predecessor_hash") or e.get("predecessor_revision_id") %}
                {% if prev and rid %}
                  <a href="/ui/revisions/diff?from={{ prev }}&amp;to={{ rid }}">Diff against previous</a>
                {% else %}—{% endif %}
              </td>
            </tr>
          {% endfor %}
        </tbody>
      </table>
      <nav class="pager">
        {% if has_prev %}
          <a href="?limit={{ limit }}&amp;offset={{ [offset - limit, 0] | max }}">&laquo; newer</a>
        {% else %}
          <span class="disabled">&laquo; newer</span>
        {% endif %}
        {% if has_next %}
          <a href="?limit={{ limit }}&amp;offset={{ offset + limit }}">older &raquo;</a>
        {% else %}
          <span class="disabled">older &raquo;</span>
        {% endif %}
        <span class="count">
          showing {{ offset + 1 }}–{{ [offset + limit, total] | min }} of {{ total }}
        </span>
      </nav>
    {% else %}
      <p class="empty">No revisions admitted yet.</p>
    {% endif %}
  </section>
{% endblock %}