Add El source files for all client-side JS

Recovers original JS from git history and ports it into proper El source
files under src/js/. Each file wraps the original JS in a native_js call
inside a main() function, making it valid El that compiles to a
self-contained IIFE via elc --target=js --bundle.

Files added:
  src/js/account-auth.el       - Supabase OTP magic-link (sendMagicLink)
  src/js/account-dashboard.el  - Account dashboard: session, plan card, family
  src/js/chat-widget.el        - Demo chat widget (neuronDemoToggle/Send/Reset)
  src/js/checkout-auth.el      - Checkout auth: OAuth, email sign-in/up
  src/js/checkout-free.el      - Free plan: auth-badge watch -> payment reveal
  src/js/checkout-stripe.el    - Stripe Payment Element (reads NEURON_CFG)
  src/js/enterprise.el         - Enterprise inquiry form + headcount filter
  src/js/environmental.el      - Efficiency calculator slider
  src/js/gallery.el            - Gallery nav, search/sort, Supabase voting
  src/js/main.el               - Share page voting + copyForPlatform
  src/js/marketplace.el        - Developer interest form
  src/js/nav.el                - Nav hamburger + Mission dropdown
  src/js/styles.el             - Landing: nav scroll, reveal, founding counter

.gitea/workflows/dev.yaml

@@ -59,12 +59,18 @@ jobs:
       - name: Configure docker auth for Artifact Registry
         run: gcloud auth configure-docker us-central1-docker.pkg.dev --quiet
 
-      - name: Get elc (pre-built linux/amd64)
+      - name: Get elc (pre-built linux/amd64 from El repo)
         run: |
           set -euo pipefail
-          curl -fL -o "$EL_HOME/dist/platform/elc" \
-            https://git.neuralplatform.ai/neuron-technologies/el/releases/download/v1.2.1/elc-linux-amd64
-          chmod +x "$EL_HOME/dist/platform/elc"
+          ELC_SRC="$EL_HOME/dist/platform/elc-linux-amd64"
+          if [ -f "$ELC_SRC" ]; then
+            cp "$ELC_SRC" "$EL_HOME/dist/platform/elc"
+            chmod +x "$EL_HOME/dist/platform/elc"
+          else
+            curl -fL -o "$EL_HOME/dist/platform/elc" \
+              https://git.neuralplatform.ai/neuron-technologies/el/releases/download/v1.2.1/elc-linux-amd64
+            chmod +x "$EL_HOME/dist/platform/elc"
+          fi
 
       - name: Compute image tag
         id: tag
@@ -77,8 +83,6 @@ jobs:
         run: touch src/index.html src/about.html src/terms.html src/enterprise-terms.html
 
       - name: Build image (local only — no push)
-        env:
-          EXTRACT_JS: '1'
         run: ./build-stage.sh "${{ steps.tag.outputs.tag }}"
 
       - name: Local smoke test

.gitea/workflows/stage.yaml

@@ -93,13 +93,23 @@ jobs:
       - name: Configure docker auth for Artifact Registry
         run: gcloud auth configure-docker us-central1-docker.pkg.dev --quiet
 
-      - name: Get elc (pre-built linux/amd64)
+      - name: Get elc (pre-built linux/amd64 from El repo)
         if: steps.changetype.outputs.asset_only != 'true'
         run: |
           set -euo pipefail
-          curl -fL -o "$EL_HOME/dist/platform/elc" \
-            https://git.neuralplatform.ai/neuron-technologies/el/releases/download/v1.2.1/elc-linux-amd64
-          chmod +x "$EL_HOME/dist/platform/elc"
+          # Copy the El C-compiler binary from the cloned El repo into the expected path.
+          # The JS-capable elc for client-side compilation is committed in bin/elc-linux-amd64
+          # and used automatically by build-stage.sh on linux/amd64.
+          ELC_SRC="$EL_HOME/dist/platform/elc-linux-amd64"
+          if [ -f "$ELC_SRC" ]; then
+            cp "$ELC_SRC" "$EL_HOME/dist/platform/elc"
+            chmod +x "$EL_HOME/dist/platform/elc"
+          else
+            # Fallback: download v1.2.1 C-compiler if the repo binary is absent
+            curl -fL -o "$EL_HOME/dist/platform/elc" \
+              https://git.neuralplatform.ai/neuron-technologies/el/releases/download/v1.2.1/elc-linux-amd64
+            chmod +x "$EL_HOME/dist/platform/elc"
+          fi
 
       - name: Compute image tag
         id: tag
@@ -118,8 +128,6 @@ jobs:
 
       - name: Build image (build-stage.sh)
         if: steps.changetype.outputs.asset_only != 'true'
-        env:
-          EXTRACT_JS: '1'
         run: |
           ./build-stage.sh "${{ steps.tag.outputs.tag }}"
           docker tag "marketing:${{ steps.tag.outputs.tag }}" "${{ steps.tag.outputs.image }}"