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+# Asset Pipeline & Frontend Reliability Implementation Plan
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** Eliminate all CDN dependencies, self-host fonts, and deduplicate shared JS logic into versioned bundles built via Docker.
+
+**Architecture:** esbuild (via throwaway Docker Node container) produces two IIFE bundles — `js/main.js` (universal UI + fonts) and `js/map.js` (MapLibre + GPX utils) — plus extracted CSS in `css-compiled/`. Templates register assets via Grav's Asset Manager instead of hardcoded CDN tags. All duplicated inline JS moves to the main bundle; map init code stays in templates.
+
+**Tech Stack:** esbuild 0.21+, Node 20 Alpine (Docker only), MapLibre GL 4, PhotoSwipe 5, Scrollama 3, @mapbox/togeojson 0.16, @fontsource-variable/dm-sans, @fontsource/dm-serif-display, Grav 2.0 Asset Manager.
+
+## Global Constraints
+
+- All commands run inside Docker — no local Node.js required
+- Output files (`js/main.js`, `js/map.js`, `css-compiled/*.css`, `fonts/*.woff2`) are committed to the user/ repo
+- `node_modules/` is gitignored
+- Working directory for all file edits: `user/themes/intotheeast/`
+- All JS bundles use `--format=iife` so templates can reference `maplibregl`, `MapUtils`, `toGeoJSON` as window globals
+- Grav Asset Manager is used for all asset registration — no hardcoded `<script>`/`<link>` tags in templates
+- Map init code stays inline in templates (trip.html.twig, feed-map.html.twig, map.html.twig) — only CDN tags and duplicated utility JS move out
+- Dev server: `http://localhost:8081`
+
+---
+
+## File Map
+
+| Action | Path |
+|---|---|
+| Create | `user/themes/intotheeast/package.json` |
+| Create | `user/themes/intotheeast/js/src/main.js` |
+| Create | `user/themes/intotheeast/js/src/map.js` |
+| Create | `user/themes/intotheeast/css-compiled/` (by esbuild) |
+| Create | `user/themes/intotheeast/fonts/` (by esbuild) |
+| Modify | `Makefile` — add `build-assets` target |
+| Modify | `user/.gitignore` — add `themes/intotheeast/node_modules/` |
+| Modify | `user/themes/intotheeast/js/maplibre-utils.js` — add `parseGpxFiles`, export `haversineKm` |
+| Modify | `user/themes/intotheeast/css/style.css` — remove Google Fonts `@import` |
+| Modify | `user/themes/intotheeast/templates/partials/base.html.twig` |
+| Modify | `user/themes/intotheeast/templates/trip.html.twig` |
+| Modify | `user/themes/intotheeast/templates/partials/feed-map.html.twig` |
+| Modify | `user/themes/intotheeast/templates/map.html.twig` |
+| Modify | `user/themes/intotheeast/templates/story.html.twig` |
+
+---
+
+### Task 1: Build scaffolding
+
+Set up `package.json`, the Docker `make build-assets` target, and gitignore. Verify the Docker build completes.
+
+**Files:**
+- Create: `user/themes/intotheeast/package.json`
+- Modify: `Makefile` (add `build-assets` target after existing `build` target)
+- Modify: `user/.gitignore` (add node_modules line)
+
+**Interfaces:**
+- Produces: `make build-assets` command that runs `npm ci && npm run build` in Docker Node 20 Alpine
+
+- [ ] **Step 1: Create package.json**
+
+Create `user/themes/intotheeast/package.json`:
+
+```json
+{
+  "private": true,
+  "scripts": {
+    "build": "esbuild js/src/main.js --bundle --minify --format=iife --outfile=js/main.js --loader:.woff2=file --loader:.woff=file --asset-names=../fonts/[name] && esbuild js/src/map.js --bundle --minify --format=iife --outfile=js/map.js && mkdir -p css-compiled fonts && mv js/main.css css-compiled/main.css && mv js/map.css css-compiled/map.css"
+  },
+  "dependencies": {
+    "@fontsource-variable/dm-sans": "latest",
+    "@fontsource/dm-serif-display": "latest",
+    "@mapbox/togeojson": "^0.16.2",
+    "maplibre-gl": "^4",
+    "photoswipe": "^5",
+    "scrollama": "^3"
+  },
+  "devDependencies": {
+    "esbuild": "^0.21"
+  }
+}
+```
+
+- [ ] **Step 2: Add `build-assets` target to Makefile**
+
+Add after the existing `build:` target in `Makefile`:
+
+```makefile
+build-assets:
+	docker run --rm \
+	  -v $(PWD)/user/themes/intotheeast:/app \
+	  -w /app node:20-alpine \
+	  sh -c "npm install && npm run build"
+```
+
+- [ ] **Step 3: Add node_modules to user/ gitignore**
+
+Add to `user/.gitignore`:
+
+```
+/themes/intotheeast/node_modules/
+```
+
+- [ ] **Step 4: Create placeholder source files so the build has something to process**
+
+Create `user/themes/intotheeast/js/src/main.js`:
+```javascript
+// placeholder — replaced in Task 2
+```
+
+Create `user/themes/intotheeast/js/src/map.js`:
+```javascript
+// placeholder — replaced in Task 4
+```
+
+- [ ] **Step 5: Run the build and verify it completes**
+
+```bash
+make build-assets
+```
+
+Expected: Docker pulls `node:20-alpine`, runs `npm install` (generates `package-lock.json`), runs `npm run build`. Build will warn about empty entry points but should exit 0. Verify these files exist:
+```bash
+ls user/themes/intotheeast/js/main.js
+ls user/themes/intotheeast/js/map.js
+```
+
+- [ ] **Step 6: Commit**
+
+```bash
+git -C user add themes/intotheeast/package.json themes/intotheeast/package-lock.json themes/intotheeast/js/src/main.js themes/intotheeast/js/src/map.js .gitignore
+git -C user commit -m "build: add esbuild scaffolding and Docker build-assets target"
+git add Makefile
+git commit -m "build: add build-assets make target"
+```
+
+---
+
+### Task 2: Main JS bundle — fonts, PhotoSwipe, all UI utilities
+
+Write the full `js/src/main.js`. This is the single source of truth for all duplicated UI behaviour.
+
+**Files:**
+- Modify: `user/themes/intotheeast/js/src/main.js` (replace placeholder)
+
+**Interfaces:**
+- Consumes: nothing from other tasks
+- Produces:
+  - `js/main.js` — IIFE bundle, no exports (all inits called on DOMContentLoaded)
+  - `css-compiled/main.css` — PhotoSwipe CSS + @font-face rules for DM Sans variable + DM Serif Display
+  - `fonts/*.woff2` — copied from @fontsource packages by esbuild
+
+- [ ] **Step 1: Write js/src/main.js**
+
+Replace `user/themes/intotheeast/js/src/main.js` with:
+
+```javascript
+/* ── Fonts ───────────────────────────────────────────────── */
+import '@fontsource-variable/dm-sans';
+import '@fontsource/dm-serif-display/400.css';
+import '@fontsource/dm-serif-display/400-italic.css';
+
+/* ── PhotoSwipe ──────────────────────────────────────────── */
+import PhotoSwipeLightbox from 'photoswipe/lightbox';
+import PhotoSwipe from 'photoswipe';
+import 'photoswipe/style.css';
+
+/* ── Scrollama (used by story.html.twig inline script) ────── */
+import scrollama from 'scrollama';
+window.scrollama = scrollama;
+
+/* ── Photo strip: prev/next buttons + scroll-based dot sync ─ */
+function initPhotoStrip() {
+    document.querySelectorAll('.journal-photo-strip').forEach(function (strip) {
+        strip.setAttribute('role', 'region');
+        strip.setAttribute('aria-label', 'Photo strip');
+        strip.setAttribute('tabindex', '0');
+
+        var slideCount = parseInt(strip.dataset.slides, 10) || 1;
+        var dots = strip.nextElementSibling;
+        if (!dots || !dots.classList.contains('journal-photo-dots')) return;
+        var dotEls = Array.from(dots.querySelectorAll('.journal-photo-dot'));
+
+        strip.addEventListener('scroll', function () {
+            var idx = Math.round(strip.scrollLeft / strip.offsetWidth);
+            dotEls.forEach(function (d, i) { d.classList.toggle('is-active', i === idx); });
+        }, { passive: true });
+
+        if (slideCount < 2) return;
+
+        var prev = document.createElement('button');
+        prev.className = 'strip-prev';
+        prev.setAttribute('aria-label', 'Previous photo');
+        prev.textContent = '‹';
+        prev.addEventListener('click', function () {
+            strip.scrollBy({ left: -strip.offsetWidth, behavior: 'smooth' });
+        });
+
+        var next = document.createElement('button');
+        next.className = 'strip-next';
+        next.setAttribute('aria-label', 'Next photo');
+        next.textContent = '›';
+        next.addEventListener('click', function () {
+            strip.scrollBy({ left: strip.offsetWidth, behavior: 'smooth' });
+        });
+
+        var controls = document.createElement('div');
+        controls.className = 'strip-controls';
+        controls.appendChild(prev);
+        controls.appendChild(next);
+        var wrap = strip.closest('.journal-photo-wrap');
+        (wrap || dots).insertAdjacentElement('afterend', controls);
+    });
+}
+
+/* ── PhotoSwipe lightbox + IntersectionObserver dot sync ──── */
+function initPhotoSwipe() {
+    if (!document.querySelector('.pswp-gallery')) return;
+
+    var lightbox = new PhotoSwipeLightbox({
+        gallery: '.pswp-gallery',
+        children: 'a.journal-photo-slide',
+        pswpModule: PhotoSwipe
+    });
+
+    lightbox.on('afterOpen', function () {
+        var pswp = lightbox.pswp;
+        var keyDir = 0;
+        var clearTimer = null;
+
+        function onKey(e) {
+            if (e.key === 'ArrowRight') keyDir = 1;
+            else if (e.key === 'ArrowLeft') keyDir = -1;
+            else keyDir = 0;
+        }
+        document.addEventListener('keydown', onKey, true);
+
+        pswp.on('change', function () {
+            if (!keyDir) return;
+            var dir = keyDir;
+            keyDir = 0;
+            var el = pswp.currSlide && pswp.currSlide.container;
+            if (!el) return;
+            el.classList.remove('pswp-key-from-left', 'pswp-key-from-right');
+            el.offsetWidth; /* force reflow */
+            el.classList.add(dir > 0 ? 'pswp-key-from-right' : 'pswp-key-from-left');
+            clearTimeout(clearTimer);
+            clearTimer = setTimeout(function () {
+                el.classList.remove('pswp-key-from-left', 'pswp-key-from-right');
+            }, 400);
+        });
+
+        pswp.on('close', function () {
+            document.removeEventListener('keydown', onKey, true);
+            clearTimeout(clearTimer);
+        });
+    });
+
+    lightbox.init();
+
+    /* Per-strip: IntersectionObserver dot sync + expand button */
+    document.querySelectorAll('.journal-photo-wrap').forEach(function (wrap) {
+        var strip = wrap.querySelector('.journal-photo-strip');
+        if (!strip) return;
+        var slides = Array.from(strip.querySelectorAll('a.journal-photo-slide'));
+        var expandBtn = wrap.querySelector('.journal-photo-expand');
+        var article = wrap.closest('article');
+        var dots = article ? Array.from(article.querySelectorAll('.journal-photo-dot')) : [];
+        var visibleIdx = 0;
+
+        var io = new IntersectionObserver(function (entries) {
+            entries.forEach(function (e) {
+                if (!e.isIntersecting) return;
+                visibleIdx = slides.indexOf(e.target);
+                dots.forEach(function (d) { d.classList.remove('is-active'); });
+                if (dots[visibleIdx]) dots[visibleIdx].classList.add('is-active');
+            });
+        }, { root: strip, threshold: 0.5 });
+        slides.forEach(function (s) { io.observe(s); });
+
+        if (expandBtn && slides.length) {
+            expandBtn.addEventListener('click', function () {
+                slides[visibleIdx].dispatchEvent(
+                    new MouseEvent('click', { bubbles: true, cancelable: true })
+                );
+            });
+        }
+    });
+}
+
+/* ── Sort button ─────────────────────────────────────────────
+   btnId:        element id of the sort toggle button
+   containerSel: CSS selector for the list container
+   itemSel:      CSS selector for sortable items within container
+   withLabel:    true = button shows "↑ Oldest first" / "↓ Newest first"
+                 false = button shows "↑" / "↓" only
+   ──────────────────────────────────────────────────────────── */
+function initSortButton(btnId, containerSel, itemSel, withLabel) {
+    var btn = document.getElementById(btnId);
+    if (!btn) return;
+    var container = document.querySelector(containerSel);
+    if (!container) return;
+    var sentinel = container.querySelector('#feed-filter-empty');
+    var ascending = true;
+
+    btn.addEventListener('click', function () {
+        ascending = !ascending;
+        var items = Array.from(container.querySelectorAll(itemSel));
+        items.reverse().forEach(function (el) {
+            if (sentinel) container.insertBefore(el, sentinel);
+            else container.appendChild(el);
+        });
+        btn.textContent = withLabel
+            ? (ascending ? '↑ Oldest first' : '↓ Newest first')
+            : (ascending ? '↑' : '↓');
+        btn.setAttribute('aria-label', ascending ? 'Sort: oldest first' : 'Sort: newest first');
+        btn.classList.toggle('is-active', !ascending);
+    });
+}
+
+/* ── Filter bar (trip page: All / Journal / Stories) ─────── */
+function initFilterBar() {
+    var filterBtns = document.querySelectorAll('.trip-filter-btn');
+    if (!filterBtns.length) return;
+    var cards = document.querySelectorAll('[data-type]');
+    var filterEmpty = document.getElementById('feed-filter-empty');
+
+    filterBtns.forEach(function (btn) {
+        btn.addEventListener('click', function () {
+            filterBtns.forEach(function (b) {
+                b.classList.remove('is-active');
+                b.setAttribute('aria-pressed', 'false');
+            });
+            btn.classList.add('is-active');
+            btn.setAttribute('aria-pressed', 'true');
+
+            var filter = btn.getAttribute('data-filter');
+            var visible = 0;
+            cards.forEach(function (card) {
+                var show = filter === 'all' || card.getAttribute('data-type') === filter;
+                card.style.display = show ? '' : 'none';
+                if (show) visible++;
+            });
+
+            if (filterEmpty) {
+                if (visible === 0) {
+                    filterEmpty.textContent = filter === 'story'
+                        ? 'No stories yet for this trip.'
+                        : 'No entries yet.';
+                    filterEmpty.style.display = '';
+                } else {
+                    filterEmpty.style.display = 'none';
+                }
+            }
+        });
+    });
+}
+
+/* ── Back to top ─────────────────────────────────────────── */
+function initBackToTop(btnId) {
+    var btn = document.getElementById(btnId);
+    if (!btn) return;
+    var threshold = window.innerHeight * 0.8;
+    var shown = false;
+    btn.addEventListener('click', function () {
+        history.pushState(null, '', window.location.pathname + window.location.search);
+        window.scrollTo({ top: 0, behavior: 'smooth' });
+    });
+    window.addEventListener('scroll', function () {
+        var shouldShow = window.scrollY > threshold;
+        if (shouldShow !== shown) {
+            shown = shouldShow;
+            btn.classList.toggle('is-visible', shown);
+        }
+    }, { passive: true });
+}
+
+/* ── Panel toggles (trip stats / cycling panels) ─────────── */
+function initPanelToggles() {
+    document.querySelectorAll('.trip-panel-toggle').forEach(function (toggle) {
+        var blockId = toggle.getAttribute('aria-controls');
+        var block = blockId ? document.getElementById(blockId) : null;
+        if (!block) return;
+        toggle.addEventListener('click', function () {
+            var isOpen = block.classList.contains('is-open');
+            block.classList.toggle('is-open', !isOpen);
+            toggle.classList.toggle('is-active', !isOpen);
+            toggle.setAttribute('aria-expanded', isOpen ? 'false' : 'true');
+        });
+    });
+
+    document.querySelectorAll('.trip-panel-close').forEach(function (btn) {
+        var toggleBtn = document.getElementById(btn.getAttribute('data-toggle'));
+        if (toggleBtn) btn.addEventListener('click', function () { toggleBtn.click(); });
+    });
+}
+
+/* ── Boot ────────────────────────────────────────────────── */
+document.addEventListener('DOMContentLoaded', function () {
+    initPhotoStrip();
+    initPhotoSwipe();
+    initFilterBar();
+    /* Sort buttons — each call is silent if its button/container isn't on this page */
+    initSortButton('trip-sort-toggle', '.feed', '[data-type]', false);
+    initSortButton('feed-sort-toggle', '.feed', '[data-type]', true);
+    initSortButton('feed-sort-toggle', '.stories-grid', '.story-card', true);
+    initBackToTop('story-totop');
+    initBackToTop('trip-totop');
+    initPanelToggles();
+});
+```
+
+- [ ] **Step 2: Run build**
+
+```bash
+make build-assets
+```
+
+Expected: exits 0. Verify output:
+```bash
+ls user/themes/intotheeast/js/main.js
+ls user/themes/intotheeast/css-compiled/main.css
+ls user/themes/intotheeast/fonts/
+```
+
+`fonts/` should contain woff2 files from @fontsource packages.
+
+- [ ] **Step 3: Verify font output in CSS**
+
+```bash
+grep '@font-face' user/themes/intotheeast/css-compiled/main.css | head -5
+```
+
+Expected: multiple `@font-face` rules referencing `../fonts/*.woff2` paths.
+
+- [ ] **Step 4: Commit**
+
+```bash
+git -C user add themes/intotheeast/js/src/main.js themes/intotheeast/js/main.js themes/intotheeast/css-compiled/main.css themes/intotheeast/fonts/
+git -C user commit -m "build: add main.js bundle — fonts, PhotoSwipe, UI utilities"
+```
+
+---
+
+### Task 3: Extend maplibre-utils.js — parseGpxFiles + export haversineKm
+
+Move `parseGpxFiles` from `trip.html.twig` into the shared utility and expose `haversineKm` publicly so template code can call both as `MapUtils.*`.
+
+**Files:**
+- Modify: `user/themes/intotheeast/js/maplibre-utils.js`
+
+**Interfaces:**
+- Consumes: `haversineKm` (already defined privately in maplibre-utils.js at line 184)
+- Produces:
+  - `MapUtils.haversineKm(lat1, lng1, lat2, lng2)` → `number` (km)
+  - `MapUtils.parseGpxFiles(urls, callback)` — `urls: string[]`, `callback({ distance, eleGain, eleLoss, highest, lowest, movingTime, avgSpeed } | { error: string })` → `void`
+
+- [ ] **Step 1: Add parseGpxFiles function to maplibre-utils.js**
+
+In `user/themes/intotheeast/js/maplibre-utils.js`, add the following block immediately before the `global.MapUtils = {` line (currently line 333):
+
+```javascript
+  /*
+   * Parse one or more GPX files and compute aggregate cycling statistics.
+   * urls:     array of GPX file URL strings
+   * callback: called once with { distance, eleGain, eleLoss, highest, lowest, movingTime, avgSpeed }
+   *           or { error: 'no files' } if urls is empty.
+   *
+   * distance/eleGain/eleLoss in raw units (km / metres).
+   * movingTime: "H:MM" string. avgSpeed: km/h number.
+   */
+  function parseGpxFiles(urls, callback) {
+    var pending = urls.length;
+    var fileResults = new Array(urls.length);
+    if (pending === 0) { callback({ error: 'no files' }); return; }
+
+    urls.forEach(function (url, idx) {
+      fetch(url)
+        .then(function (r) { return r.text(); })
+        .then(function (text) {
+          var xml  = new DOMParser().parseFromString(text, 'text/xml');
+          var pts  = [];
+          xml.querySelectorAll('trkpt').forEach(function (pt) {
+            var eleEl  = pt.querySelector('ele');
+            var timeEl = pt.querySelector('time');
+            pts.push({
+              lat:  parseFloat(pt.getAttribute('lat')),
+              lon:  parseFloat(pt.getAttribute('lon')),
+              ele:  eleEl  ? parseFloat(eleEl.textContent)  : NaN,
+              time: timeEl ? timeEl.textContent              : null
+            });
+          });
+          fileResults[idx] = pts;
+          if (--pending === 0) computeAndCallback();
+        })
+        .catch(function (err) {
+          console.warn('GPX load failed:', url, err);
+          fileResults[idx] = [];
+          if (--pending === 0) computeAndCallback();
+        });
+    });
+
+    function computeAndCallback() {
+      var totalDistance = 0, totalEleGain = 0, totalEleLoss = 0;
+      var globalHighest = NaN, globalLowest = NaN, totalMovingTime = 0;
+
+      fileResults.forEach(function (pts) {
+        if (!pts || pts.length < 2) return;
+        /* Include first point of each file in elevation range */
+        if (!isNaN(pts[0].ele)) {
+          if (isNaN(globalHighest) || pts[0].ele > globalHighest) globalHighest = pts[0].ele;
+          if (isNaN(globalLowest)  || pts[0].ele < globalLowest)  globalLowest  = pts[0].ele;
+        }
+        for (var i = 1; i < pts.length; i++) {
+          var p0 = pts[i - 1], p1 = pts[i];
+          totalDistance += haversineKm(p0.lat, p0.lon, p1.lat, p1.lon);
+          if (!isNaN(p0.ele) && !isNaN(p1.ele)) {
+            var dEle = p1.ele - p0.ele;
+            if (dEle > 0) totalEleGain += dEle;
+            if (dEle < 0) totalEleLoss += (-dEle);
+            if (isNaN(globalHighest) || p1.ele > globalHighest) globalHighest = p1.ele;
+            if (isNaN(globalLowest)  || p1.ele < globalLowest)  globalLowest  = p1.ele;
+          }
+          if (p0.time && p1.time) {
+            var dtHrs = (Date.parse(p1.time) - Date.parse(p0.time)) / 3600000;
+            if (dtHrs > 0 && (haversineKm(p0.lat, p0.lon, p1.lat, p1.lon) / dtHrs) >= 1) {
+              totalMovingTime += dtHrs;
+            }
+          }
+        }
+      });
+
+      var avgSpeed  = totalMovingTime > 0 ? totalDistance / totalMovingTime : 0;
+      var movHours  = Math.floor(totalMovingTime);
+      var movMins   = Math.round((totalMovingTime - movHours) * 60);
+      if (movMins === 60) { movHours++; movMins = 0; }
+
+      callback({
+        distance:   totalDistance,
+        eleGain:    totalEleGain,
+        eleLoss:    totalEleLoss,
+        highest:    globalHighest,
+        lowest:     globalLowest,
+        movingTime: movHours + ':' + (movMins < 10 ? '0' : '') + movMins,
+        avgSpeed:   avgSpeed
+      });
+    }
+  }
+```
+
+- [ ] **Step 2: Add haversineKm and parseGpxFiles to MapUtils exports**
+
+Find the `global.MapUtils = {` block (currently the last block in the file) and add both new entries:
+
+```javascript
+  global.MapUtils = {
+    MAP_STYLE:            MAP_STYLE,
+    ACCENT:               ACCENT,
+    haversineKm:          haversineKm,
+    parseGpxFiles:        parseGpxFiles,
+    addJourneyLine:       addJourneyLine,
+    addJourneySegments:   addJourneySegments,
+    buildJourneySegments: buildJourneySegments,
+    renderGpxJourney:     renderGpxJourney,
+    createDotMarker:      createDotMarker,
+    createStoryMarker:    createStoryMarker
+  };
+```
+
+- [ ] **Step 3: Commit**
+
+```bash
+git -C user add themes/intotheeast/js/maplibre-utils.js
+git -C user commit -m "feat: add parseGpxFiles and export haversineKm from MapUtils"
+```
+
+---
+
+### Task 4: Map JS bundle
+
+Write `js/src/map.js` to bundle MapLibre GL, toGeoJSON, and maplibre-utils as a single file, attaching them as window globals for existing template inline scripts.
+
+**Files:**
+- Modify: `user/themes/intotheeast/js/src/map.js` (replace placeholder)
+
+**Interfaces:**
+- Consumes: `MapUtils.parseGpxFiles`, `MapUtils.haversineKm` (from Task 3 — already in maplibre-utils.js which this imports)
+- Produces:
+  - `js/map.js` — IIFE bundle
+  - `css-compiled/map.css` — MapLibre GL CSS
+  - `window.maplibregl` — MapLibre GL instance
+  - `window.toGeoJSON` — toGeoJSON converter
+  - `window.MapUtils` — all MapUtils functions (set by maplibre-utils.js side effect)
+
+- [ ] **Step 1: Write js/src/map.js**
+
+Replace `user/themes/intotheeast/js/src/map.js` with:
+
+```javascript
+import maplibregl from 'maplibre-gl';
+import 'maplibre-gl/dist/maplibre-gl.css';
+import toGeoJSON from '@mapbox/togeojson';
+
+/* maplibre-utils.js attaches MapUtils to window as a side effect */
+import '../maplibre-utils.js';
+
+window.maplibregl = maplibregl;
+window.toGeoJSON  = toGeoJSON;
+```
+
+- [ ] **Step 2: Run build**
+
+```bash
+make build-assets
+```
+
+Expected: exits 0. Verify:
+```bash
+ls user/themes/intotheeast/js/map.js
+ls user/themes/intotheeast/css-compiled/map.css
+```
+
+`css-compiled/map.css` should be non-empty (~100KB+) as it contains full MapLibre GL styles.
+
+- [ ] **Step 3: Commit**
+
+```bash
+git -C user add themes/intotheeast/js/src/map.js themes/intotheeast/js/map.js themes/intotheeast/css-compiled/map.css
+git -C user commit -m "build: add map.js bundle — MapLibre GL, toGeoJSON, MapUtils"
+```
+
+---
+
+### Task 5: base.html.twig — Asset Manager + remove Google Fonts + remove photo strip script
+
+Register the universal bundle via Grav's Asset Manager, remove Google Fonts external requests, remove the inline photo strip script, and add the `map_assets` block for map pages to fill.
+
+**Files:**
+- Modify: `user/themes/intotheeast/templates/partials/base.html.twig`
+- Modify: `user/themes/intotheeast/css/style.css`
+
+**Interfaces:**
+- Produces: `{% block map_assets %}{% endblock %}` — filled by trip.html.twig, feed-map.html.twig, map.html.twig in later tasks
+
+- [ ] **Step 1: Update base.html.twig**
+
+Replace the entire file content of `user/themes/intotheeast/templates/partials/base.html.twig` with:
+
+```twig
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% if page.title %}{{ page.title }} | {% endif %}{{ site.title }}</title>
+    {% do assets.addCss('theme://css/tokens.css') %}
+    {% do assets.addCss('theme://css/style.css') %}
+    {% do assets.addCss('theme://css-compiled/main.css') %}
+    {% do assets.addJs('theme://js/main.js', {group: 'bottom'}) %}
+    {{ assets.css()|raw }}
+    {{ assets.js()|raw }}
+</head>
+<body class="{% if page.template == 'map' %}map-page{% endif %}{% if page.template == 'home' or page.template == 'trip' %} home-page{% endif %}{% if page.template == 'story' %} template-story{% endif %}">
+    <a class="skip-link" href="#main-content">Skip to main content</a>
+    <header class="site-header">
+        <a class="site-title" href="{{ base_url_absolute }}">into the east</a>
+        {% block nav %}
+        <nav class="site-nav" aria-label="Main navigation">
+            <a href="{{ base_url_absolute }}"{% if page.template == 'home' %} aria-current="page"{% endif %}>Home</a>
+            <a href="{{ base_url_absolute }}/trips"{% if page.template == 'trips' %} aria-current="page"{% endif %}>Past Trips</a>
+        </nav>
+        {% endblock %}
+    </header>
+    <main class="site-main" id="main-content">
+        {% block content %}{% endblock %}
+    </main>
+    {% block map_assets %}{% endblock %}
+    {{ assets.js('bottom')|raw }}
+</body>
+</html>
+```
+
+Key changes from original:
+- Removed `<link rel="preconnect" href="https://fonts.googleapis.com">` (lines 7–9)
+- Replaced hardcoded `<link>` tags with `{% do assets.addCss(...) %}` calls
+- Removed the `<script>` photo strip block (lines 30–73) — now in `js/main.js`
+- Added `{% block map_assets %}{% endblock %}` before `{{ assets.js('bottom')|raw }}`
+
+- [ ] **Step 2: Remove Google Fonts @import from style.css if present**
+
+Check whether `css/style.css` contains a Google Fonts import:
+
+```bash
+grep -n 'googleapis\|fonts.g' user/themes/intotheeast/css/style.css
+```
+
+If any line is found, remove it. The font-family declarations using `--font-display` and `--font-ui` stay unchanged — they reference the CSS custom properties defined in `tokens.css`, which will work with the self-hosted fonts in `css-compiled/main.css`.
+
+- [ ] **Step 3: Load the dev server and verify the page renders**
+
+Open `http://localhost:8081` in a browser. The page should load with correct fonts (DM Sans for body, DM Serif Display for headings). Open browser DevTools → Network tab → filter by "google" — no requests to `fonts.googleapis.com` or `fonts.gstatic.com` should appear.
+
+If fonts look wrong, check that `css-compiled/main.css` is served by opening `http://localhost:8081/user/themes/intotheeast/css-compiled/main.css`.
+
+- [ ] **Step 4: Commit**
+
+```bash
+git -C user add themes/intotheeast/templates/partials/base.html.twig themes/intotheeast/css/style.css
+git -C user commit -m "feat: register assets via Asset Manager, remove Google Fonts, remove inline photo strip script"
+```
+
+---
+
+### Task 6: trip.html.twig — full JS cleanup and map bundle registration
+
+This is the largest template change. Remove all duplicated JS blocks, CDN tags, and the haversineKm duplicate. Wire `MapUtils.parseGpxFiles` and `MapUtils.haversineKm` in the GPX stats block.
+
+**Files:**
+- Modify: `user/themes/intotheeast/templates/trip.html.twig`
+
+**Interfaces:**
+- Consumes:
+  - `window.maplibregl` — from `js/map.js` (Task 4)
+  - `window.MapUtils.parseGpxFiles(urls, cb)` — from `js/maplibre-utils.js` via map bundle (Task 3)
+  - `window.MapUtils.haversineKm(lat1, lng1, lat2, lng2)` — from map bundle (Task 3)
+  - `window.scrollama` — from `js/main.js` (Task 2, though not used on this page)
+
+- [ ] **Step 1: Remove the CDN script/link tags and PhotoSwipe CSS link**
+
+Remove these lines from `trip.html.twig`:
+- Line 4: `<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@5/dist/photoswipe.css">`
+- Lines 247–250:
+  ```html
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.css">
+  <script src="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.js"></script>
+  <script src="https://cdn.jsdelivr.net/npm/@mapbox/togeojson@0.16.2/togeojson.min.js"></script>
+  <script src="{{ url('theme://js/maplibre-utils.js') }}"></script>
+  ```
+
+- [ ] **Step 2: Add map_assets block immediately after `{% block content %}`**
+
+After the opening `{% block content %}` line, add:
+
+```twig
+{% block map_assets %}
+{% do assets.addCss('theme://css-compiled/map.css') %}
+{% do assets.addJs('theme://js/map.js', {group: 'bottom'}) %}
+{% endblock %}
+```
+
+- [ ] **Step 3: Remove the duplicated JS blocks**
+
+Remove the following `<script>` blocks entirely from `trip.html.twig`. These are now handled by `js/main.js`:
+
+1. The filter bar IIFE (the block from `(function() {` at line ~339 through to the closing `})();` at line ~371 — the one with `.trip-filter-btn` and `data-filter`)
+2. The sort toggle IIFE (from `(function() {` containing `trip-sort-toggle` through its `})();` at line ~388)
+3. The back-to-top block (from `document.addEventListener('DOMContentLoaded', function () {` at line ~545 through its `});` at line ~561)
+4. The entire `<script type="module">` block at the bottom (lines ~566–626) containing the PhotoSwipe lightbox and IntersectionObserver photo strip code
+
+Note: the `makePanelToggle` code lives *inside* the GPX stats IIFE (which stays) — that is handled in Step 5, not here.
+
+- [ ] **Step 4: Update the GPX stats block to use MapUtils**
+
+In the remaining GPX stats IIFE (the block starting with `(function() {` that references `HAS_GPX`, `parseGpxFiles`, and `haversineKm`):
+
+Replace the local `haversineKm` function definition (lines ~393–401):
+```javascript
+function haversineKm(lat1, lng1, lat2, lng2) {
+    var R = 6371;
+    ...
+}
+```
+Delete this entire function — it is now `MapUtils.haversineKm`.
+
+Replace the local `parseGpxFiles` function definition (lines ~403–485):
+```javascript
+function parseGpxFiles(urls, callback) {
+    ...
+}
+```
+Delete this entire function — it is now `MapUtils.parseGpxFiles`.
+
+Update the two call sites to use MapUtils:
+
+Find (Mode A call, line ~491):
+```javascript
+    parseGpxFiles(GPX_URLS, function(result) {
+```
+Replace with:
+```javascript
+    MapUtils.parseGpxFiles(GPX_URLS, function(result) {
+```
+
+Find (Mode B haversine call, lines ~512–515):
+```javascript
+        total += haversineKm(
+            parseFloat(STATS_GPS[i-1][0]), parseFloat(STATS_GPS[i-1][1]),
+            parseFloat(STATS_GPS[i][0]),   parseFloat(STATS_GPS[i][1])
+        );
+```
+Replace with:
+```javascript
+        total += MapUtils.haversineKm(
+            parseFloat(STATS_GPS[i-1][0]), parseFloat(STATS_GPS[i-1][1]),
+            parseFloat(STATS_GPS[i][0]),   parseFloat(STATS_GPS[i][1])
+        );
+```
+
+- [ ] **Step 5: Remove the makePanelToggle function from the GPX stats IIFE**
+
+Inside the GPX stats IIFE, find and remove:
+- The `makePanelToggle` function definition
+- The two `makePanelToggle(...)` calls
+- The `document.querySelectorAll('.trip-panel-close').forEach(...)` block
+
+These are now handled by `initPanelToggles()` in `main.js`.
+
+- [ ] **Step 6: Open the trip page and verify all features**
+
+Open `http://localhost:8081/trips/japan-korea-2026` (or the current active trip URL). Verify:
+- Map loads and markers are visible
+- GPX track renders
+- Sort button (↑/↓) reverses feed order
+- Filter bar (All / Journal / Stories) shows and hides cards
+- Stats panel opens and closes
+- Cycling panel opens and closes (if GPX present)
+- Back-to-top button appears after scrolling
+- Journal photo strip: dots sync, prev/next work, expand opens lightbox
+- No console errors
+
+Open DevTools → Network tab → reload. Filter by "cdn.jsdelivr" — zero results expected.
+
+- [ ] **Step 7: Commit**
+
+```bash
+git -C user add themes/intotheeast/templates/trip.html.twig
+git -C user commit -m "refactor: trip.html.twig — remove CDN tags, deduplicate JS, use MapUtils.parseGpxFiles"
+```
+
+---
+
+### Task 7: Remaining template CDN cleanup
+
+Remove CDN tags from `feed-map.html.twig`, `map.html.twig`, and `story.html.twig`. These pages are not in active use but should not make CDN requests when visited.
+
+**Files:**
+- Modify: `user/themes/intotheeast/templates/partials/feed-map.html.twig`
+- Modify: `user/themes/intotheeast/templates/map.html.twig`
+- Modify: `user/themes/intotheeast/templates/story.html.twig`
+
+- [ ] **Step 1: feed-map.html.twig — remove CDN tags, add map_assets block**
+
+In `user/themes/intotheeast/templates/partials/feed-map.html.twig`:
+
+Remove lines 28–30:
+```html
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.css">
+<script src="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.js"></script>
+<script src="{{ url('theme://js/maplibre-utils.js') }}"></script>
+```
+
+Add the map assets block at the very top of the `{% if map_entries|length > 0 %}` block (before the `<div class="feed-map-wrap">`):
+
+```twig
+{% block map_assets %}
+{% do assets.addCss('theme://css-compiled/map.css') %}
+{% do assets.addJs('theme://js/map.js', {group: 'bottom'}) %}
+{% endblock %}
+```
+
+- [ ] **Step 2: map.html.twig — remove CDN tags, add map_assets block**
+
+In `user/themes/intotheeast/templates/map.html.twig`:
+
+Remove lines 39–42:
+```html
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.css">
+<script src="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/@mapbox/togeojson@0.16.2/togeojson.min.js"></script>
+<script src="{{ url('theme://js/maplibre-utils.js') }}"></script>
+```
+
+Add after `{% block content %}`:
+```twig
+{% block map_assets %}
+{% do assets.addCss('theme://css-compiled/map.css') %}
+{% do assets.addJs('theme://js/map.js', {group: 'bottom'}) %}
+{% endblock %}
+```
+
+- [ ] **Step 3: story.html.twig — remove Scrollama CDN tag**
+
+In `user/themes/intotheeast/templates/story.html.twig`:
+
+Remove line 72:
+```html
+<script src="https://cdn.jsdelivr.net/npm/scrollama@3/build/scrollama.min.js"></script>
+```
+
+Scrollama is now bundled in `main.js` and exposed as `window.scrollama`. The existing inline script that calls `scrollama()` will work unchanged.
+
+- [ ] **Step 4: Commit**
+
+```bash
+git -C user add themes/intotheeast/templates/partials/feed-map.html.twig themes/intotheeast/templates/map.html.twig themes/intotheeast/templates/story.html.twig
+git -C user commit -m "refactor: remove CDN tags from feed-map, map, story templates"
+```
+
+---
+
+### Task 8: End-to-end verification — no external requests, all features intact
+
+**Files:** None modified. Verification only.
+
+- [ ] **Step 1: Verify zero external requests on the trip page**
+
+Open `http://localhost:8081/trips/japan-korea-2026`. Open DevTools → Network tab → reload.
+
+Check these domains appear zero times:
+- `cdn.jsdelivr.net`
+- `fonts.googleapis.com`
+- `fonts.gstatic.com`
+
+- [ ] **Step 2: Verify trip page features**
+
+- Map renders with markers and GPX track
+- Marker click scrolls to entry card and flashes it
+- Fullscreen map toggle expands/collapses
+- Filter bar: All / Journal / Stories each filter correctly
+- Sort toggle (↑/↓) reverses feed order
+- Stats panel opens and closes (click "Stats ▾" button)
+- Cycling panel opens and closes if GPX present ("Cycling ▾" button)
+- GPX distance figure populates in stats grid
+- Cycling stats grid populates (distance, gain, loss, highest, lowest, moving time, avg speed)
+- Back-to-top button appears after scrolling down; click scrolls to top
+- Journal photo strip: swipe/scroll dots sync; ‹ › buttons navigate; expand button opens PhotoSwipe; arrow keys advance; click outside closes
+
+- [ ] **Step 3: Verify story page**
+
+Open a story URL (e.g. `http://localhost:8081/trips/italy-2026-demo/stories/sorano-rock-and-time`):
+- Hero image loads
+- Scroll overlay darkens/lightens on scroll
+- Story title fades into nav bar as hero scrolls out
+- Back-to-top button appears and works
+- If page has `.scrolly` sections: they animate on scroll
+- No console errors
+
+- [ ] **Step 4: Check built file sizes**
+
+```bash
+ls -lh user/themes/intotheeast/js/main.js user/themes/intotheeast/js/map.js user/themes/intotheeast/css-compiled/main.css user/themes/intotheeast/css-compiled/map.css
+```
+
+Rough expected sizes (minified):
+- `main.js`: ~80–150 KB (PhotoSwipe + Scrollama + UI code)
+- `map.js`: ~600–900 KB (MapLibre GL dominates)
+- `main.css`: ~30–60 KB (PhotoSwipe + @font-face rules)
+- `map.css`: ~80–120 KB (MapLibre GL styles)
+
+If `map.js` is unexpectedly small (<100 KB), MapLibre GL may not have bundled — check that `import maplibregl from 'maplibre-gl'` is in `js/src/map.js`.
+
+- [ ] **Step 5: Final commit**
+
+```bash
+git -C user add -A
+git -C user status  # confirm only expected files
+git -C user commit -m "chore: verify asset pipeline — all CDN deps eliminated"
+git add -A
+git commit -m "chore: complete asset pipeline — self-hosted deps, deduplicated JS"
+```