feat: complete CDN elimination + SVG icon build pipeline

CDN cleanup:
- entry.html.twig: remove PhotoSwipe CDN + duplicate JS (main.js handles it)
- dailies.html.twig: remove PhotoSwipe CDN + duplicate JS
- home.html.twig: remove PhotoSwipe CDN + MapLibre CDN + maplibre-utils.js
  script tags; add {% block map_assets %} to register map bundle

SVG build pipeline:
- Add lucide-static devDependency; gen-weather-icons.js reads icon SVGs
  from node_modules and emits templates/partials/weather-icons.html.twig
- package.json build script now runs gen-weather-icons.js before esbuild
- entry-journal.html.twig includes generated partial instead of hardcoded map
- Rebuild: main.js 83.7kb, map.js 860.7kb, all fonts; zero CDN requests remain

themes/intotheeast/package.json

@@ -1,7 +1,7 @@
 {
   "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 2>/dev/null || true; } && { mv js/map.css css-compiled/map.css 2>/dev/null || true; }"
+    "build": "node scripts/gen-weather-icons.js && 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 2>/dev/null || true; } && { mv js/map.css css-compiled/map.css 2>/dev/null || true; }"
   },
   "dependencies": {
     "@fontsource-variable/dm-sans": "latest",
@@ -12,6 +12,7 @@
     "scrollama": "^3"
   },
   "devDependencies": {
-    "esbuild": "^0.21"
+    "esbuild": "^0.21",
+    "lucide-static": "latest"
   }
 }