Feature/improve build time

.github/workflows/manual_build_and_deploy.yml

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+name: Manual Build and Deploy
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: 'The environment to build in'
+        required: true
+        type: string
+
+jobs:
+  build_sections:
+    strategy:
+      matrix: 
+        target: [c, emojis, mcp, mcp-pages, png_icons, png_icons_pages, svg_icons, svg_icons_pages, t, tldr]
+    uses: ./.github/workflows/targeted-build.yml
+    with:
+      build_target: ${{ matrix.target }}
+      environment: ${{ github.event.inputs.environment }}
+    secrets: inherit
+    outputs:
+      target: ${{ matrix.target }}
+
+
+  merge_build_outputs:
+    runs-on: ubuntu-latest
+    needs: build_sections
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Download all partial build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          merge-multiple: false
+          path: ./dist-sections
+
+      - name: Merge builds
+        run: |
+          mkdir -p frontend/dist
+          for part in dist-sections/*; do
+            echo "🔧 Merging $part..."
+            rsync -a "$part"/ frontend/dist/
+          done
+          echo "✅ Final merged build ready in ./frontend/dist"
+
+      # Perhaps we only want this for debugging purposes
+      - name: List content of the final dist directory
+        run: |
+          echo "📂 Listing final dist directory:"
+          cd frontend/dist
+          du -sh ./* | sort -h
+          echo ""
+          echo "🔎 Full directory structure:"
+          find . -type f | sort
+
+      # TODO: Once we are happy with the build, update this step so it deploys the
+      # merged build to the correct environment based in the "environment" variable
+      - name: Deploy (example)
+        run: echo "🚀 Deploying merged build..."

.github/workflows/targeted_build.yml

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+name: Targeted Build
+
+on: 
+  workflow_call:
+    inputs:
+      build_target:
+        description: 'The build target passed in from the caller workflow'
+        required: true
+        type: string
+      environment:
+        description: 'The environment to build in'
+        required: true
+        type: string
+
+defaults:
+  run:
+    working-directory: frontend
+
+jobs:
+  partial_build:
+    runs-on: ubuntu-latest
+    environment: ${{ github.event.inputs.environment }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: "1.1.34"
+
+      - name: Cache Bun dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-${{ hashFiles('frontend/bun.lockb') }}
+
+      - name: Install dependencies
+        run: |
+          echo "💿 Installing dependencies..."
+          bun install --frozen-lockfile --no-cache
+
+      - name: Prepare target folder
+        run: |
+          echo "⚠️ Preparing target folder..."
+          ./scripts/prepare_tmp_folders.sh ${{ github.event.inputs.build_target }}
+
+      - name: Build project
+        run: |
+          echo "🏗️ Building project..."
+          bun run build:prod --outDir "dist-${{ github.event.inputs.build_target }} --silent"
+        env:
+          PUBLIC_GA_ID: ${{ secrets.PUBLIC_GA_ID }}
+          MEILISEARCH_API_KEY: ${{ secrets.MEILISEARCH_API_KEY }}
+
+      - name: Restore tmp folders
+        if: always()
+        run: |
+          echo "♻️ Restoring tmp folders..."
+          ./scripts/restore_tmp_folders.sh ${{ github.event.inputs.build_target }}
+
+      - name: Upload partial build artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist-${{ github.event.inputs.build_target }}
+          path: frontend/dist-${{ github.event.inputs.build_target }}

frontend/benchmark.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# --------------------------------------
+# 🚀 Astro Build Benchmark
+# Sequential runs, live progress and merged JSON output
+# --------------------------------------
+
+NODE_MEMORY="--max-old-space-size=16384"
+THREADPOOL_SIZE=4
+CLEAN_CMD='rm -rf dist .astro'
+RESULTS_FILE="hyperfine_results.json"
+SPINNER_CHARS="/-\|"
+
+# Define your benchmark targets
+declare -a JOBS=(
+  "c"
+  "emojis"
+  "mcp"
+  "mcp-pages"
+  "png_icons"
+  "png_icons_pages"
+  "svg_icons"
+  "svg_icons_pages"
+  "t"
+  "tldr"
+)
+
+# Check dependencies
+if ! command -v hyperfine >/dev/null 2>&1; then
+  echo "❌ 'hyperfine' not installed!"
+  exit 1
+fi
+if ! command -v jq >/dev/null 2>&1; then
+  echo "❌ 'jq' not installed!"
+  exit 1
+fi
+
+echo "🧹 Cleaning build directories..."
+eval "$CLEAN_CMD"
+echo "⚙️  Starting sequential benchmarks..."
+echo
+
+# Start with empty results array
+echo '{"results":[]}' > "$RESULTS_FILE"
+
+# Loop through jobs
+for i in "${!JOBS[@]}"; do
+  JOB="${JOBS[$i]}"
+  printf "🔄 [%d/%d] %-15s " "$((i+1))" "${#JOBS[@]}" "$JOB"
+
+  # Run hyperfine in the background for this job
+  (
+    hyperfine \
+      --warmup 0 \
+      --runs 1 \
+      --prepare "$CLEAN_CMD" \
+      --export-json tmp_result.json \
+      "./scripts/prepare_tmp_folders.sh $JOB && UV_THREADPOOL_SIZE=$THREADPOOL_SIZE bun astro build --mode production --silent > /dev/null && ./scripts/restore_tmp_folders.sh" \
+      > /dev/null 2>&1
+  ) &
+  PID=$!
+
+  # Spinner loop
+  j=0
+  while kill -0 "$PID" 2>/dev/null; do
+    j=$(( (j+1) %4 ))
+    printf "\r🔄 [%d/%d] %-15s %s" "$((i+1))" "${#JOBS[@]}" "$JOB" "${SPINNER_CHARS:$j:1}"
+    sleep 0.15
+  done
+
+  # Wait for job and print result
+  if wait "$PID"; then
+    printf "\r✅ [%d/%d] %-15s done!\n" "$((i+1))" "${#JOBS[@]}" "$JOB"
+    # Merge JSON arrays
+    jq --slurpfile new_results tmp_result.json '.results += $new_results[0].results' "$RESULTS_FILE" > tmp_merge.json
+    mv tmp_merge.json "$RESULTS_FILE"
+  else
+    printf "\r❌ [%d/%d] %-15s failed!\n" "$((i+1))" "${#JOBS[@]}" "$JOB"
+  fi
+done
+
+# Cleanup temp files
+rm -f tmp_result.json tmp_merge.json
+
+echo
+echo "✅ Benchmark complete!"
+echo "📊 Combined results saved to: $RESULTS_FILE"