Precompute run analysis and serve compact route previews

app/templates/activity.html

@@ -45,8 +45,8 @@
   </div>
 </section>
 <section class="panel terrain-panel" id="terrain"><div class="section-head"><div><span class="eyebrow">HILLS CHANGE THE EFFORT</span><h2>Heart rate by terrain</h2></div><span class="subtle-label">Measured HR · not adjusted</span></div><p class="section-description">See how your recorded heart rate and pace vary uphill, downhill and on the flat. Heart rate responds with a delay, so this is context rather than a correction.</p><div class="terrain-grid">{% for t in analysis.terrain %}<article><span>{{ t.label }}</span><strong>{{ '%.0f'|format(t.heart_rate) if t.heart_rate else '—' }}<small>bpm</small></strong><div>{{ '%.2f'|format(t.distance/1000) }} km <span>·</span> {{ pace_text(t.pace) }}/km</div></article>{% endfor %}</div></section>
-<div class="detail-bottom" id="splits"><section class="panel"><div class="section-head"><h2>Laps & splits</h2><span class="subtle-label">{{ activity.laps|length }} recorded laps</span></div><div class="activity-table-wrap"><table class="splits-table"><thead><tr><th>LAP</th><th>DISTANCE</th><th>TIME</th><th>PACE</th><th>GAP EST.</th><th>HR</th></tr></thead><tbody>{% for lap in analysis.laps %}<tr><td>{{ loop.index }}</td><td>{{ '%.2f'|format(lap.distance / 1000) }} km</td><td>{{ lap.duration|duration }}</td><td>{{ pace_text(lap.pace) }}</td><td>{{ pace_text(lap.gap) }}</td><td>{{ lap.heart_rate|int if lap.heart_rate else '—' }}</td></tr>{% else %}<tr><td colspan="6">No laps recorded.</td></tr>{% endfor %}</tbody></table></div></section>
+<div class="detail-bottom" id="splits"><section class="panel"><div class="section-head"><h2>Laps & splits</h2><span class="subtle-label">{{ analysis.laps|length }} recorded laps</span></div><div class="activity-table-wrap"><table class="splits-table"><thead><tr><th>LAP</th><th>DISTANCE</th><th>TIME</th><th>PACE</th><th>GAP EST.</th><th>HR</th></tr></thead><tbody>{% for lap in analysis.laps %}<tr><td>{{ loop.index }}</td><td>{{ '%.2f'|format(lap.distance / 1000) }} km</td><td>{{ lap.duration|duration }}</td><td>{{ pace_text(lap.pace) }}</td><td>{{ pace_text(lap.gap) }}</td><td>{{ lap.heart_rate|int if lap.heart_rate else '—' }}</td></tr>{% else %}<tr><td colspan="6">No laps recorded.</td></tr>{% endfor %}</tbody></table></div></section>
 {% if owner_view %}<section class="panel publishing-panel"><span class="eyebrow">YOUR RUN, YOUR CHOICE</span><h2>Sharing settings</h2><form method="post" action="{{ url_for('web.edit_activity',activity_id=activity.id) }}" class="stack"><input type="hidden" name="csrf_token" value="{{ csrf_token() }}"><label>Activity title<input name="title" value="{{ activity.title }}" maxlength="160" required></label><label>Who can see this activity in Stride?<select name="visibility"><option value="private" {{ 'selected' if activity.visibility == 'private' }}>Only me</option><option value="friends" {{ 'selected' if activity.visibility == 'friends' }}>Accepted friends</option></select></label><p class="field-help">Accepted friends see the full route and measurements of shared activities. Public link access is separate: anyone with a copied link can view this run, including its full route and measurements, until you disable the link.</p><button class="button primary">Save changes {{ icon('arrow') }}</button></form><form id="revoke-share" method="post" action="{{ url_for('web.revoke_activity_share',activity_id=activity.id) }}" {{ 'hidden' if not activity.share_token }}><input type="hidden" name="csrf_token" value="{{ csrf_token() }}"><button class="button secondary">Disable public link</button></form></section>{% endif %}</div>
-<details class="panel methodology" id="method"><summary>About these numbers <span>Recorded data vs. estimates ＋</span></summary><div><p><strong>GAP is an estimate, not a Garmin or Strava value.</strong> We use the <a href="https://doi.org/10.1152/japplphysiol.01177.2001" target="_blank" rel="noopener noreferrer">Minetti running energy-cost model</a> to estimate an equivalent flat pace from the recorded slope. Elevation uses a five-sample median and a roughly 60 m distance window. Grades outside ±30%, missing data, and recording gaps over 10 seconds are excluded. GAP is only calculated for running.</p><p>Average GAP divides time by equivalent flat distance over eligible moving samples. Coverage indicates how much recorded distance contributed; lap GAP uses the same method. Stops and missing data can make its sample coverage differ from timer pace. Wind, surface, heat, fatigue and individual running economy are not modelled.</p><p><strong>Heart rate stays measured.</strong> A universal grade correction would imply precision we don't have. Terrain summaries show time-weighted recorded HR, without trying to remove the effect of hills. Cadence is converted from running cycles/min to steps/min. Missing measurements are shown as unavailable, never zero-filled.</p><p>Map colours use this activity’s 10th–90th percentile range, with extremes saturated. Direction arrows follow recording order; they are not navigation instructions. Chart traces are sampled for display; computations use all available records.</p></div></details>
+<details class="panel methodology" id="method"><summary>About these numbers <span>Recorded data vs. estimates ＋</span></summary><div><p><strong>GAP is an estimate, not a Garmin or Strava value.</strong> We use the <a href="https://doi.org/10.1152/japplphysiol.01177.2001" target="_blank" rel="noopener noreferrer">Minetti running energy-cost model</a> to estimate an equivalent flat pace from the recorded slope. Elevation uses a five-sample median and a roughly 60 m distance window. Grades outside ±30%, missing data, and recording gaps over 10 seconds are excluded. GAP is only calculated for running.</p><p>Average GAP divides time by equivalent flat distance over eligible moving samples. Coverage indicates how much recorded distance contributed; lap GAP uses the same method. Stops and missing data can make its sample coverage differ from timer pace. Wind, surface, heat, fatigue and individual running economy are not modelled.</p><p><strong>Heart rate stays measured.</strong> A universal grade correction would imply precision we don't have. Terrain summaries show time-weighted recorded HR, without trying to remove the effect of hills. Cadence is converted from running cycles/min to steps/min. Missing measurements are shown as unavailable, never zero-filled.</p><p>Map colours use this activity’s 10th–90th percentile range, with extremes saturated. Direction arrows follow recording order; they are not navigation instructions. Routes are simplified for display, preserving segment endpoints and GPS gaps. Map measurements and chart traces are sampled for display; computations use all available records.</p></div></details>
 {% endblock %}
 {% block scripts %}<script src="{{ url_for('static',filename='vendor/leaflet.js') }}"></script><script src="{{ url_for('static',filename='vendor/chart.umd.js') }}"></script><script src="{{ url_for('static',filename='activity.js') }}"></script>{% endblock %}