Close DV-01–04,07,09,13,14: unify operator-deck UX in server/web.

Standardize neon cyan on #00e8f5, wire SacredPageHeader across Builds/Path Tracer/LOTL, dedupe Pages.css, align Path Tracer chrome, drop dead wealth-deck CSS, add prefers-color-scheme shell + HelpTip, sidebar version from package.json build inject, and Vitest CSS regression guards.

server/web/src/help/forgeRules.ts

@@ -315,6 +315,12 @@ export function getForgeFieldMeta(form: BuildRequest): Record<string, ForgeField
     max_memory_percent: { disabled: false, badge: 'baked' },
     min_free_ram_mb: { disabled: false, badge: 'baked' },
     mining_mode: { disabled: false, badge: 'baked' },
+    miner_execution: {
+      disabled: false,
+      badge: 'baked',
+      hint:
+        'Auto/container tiers need a worker image on the host: docker build -f docker/Dockerfile.agent -t aetherforge/agent-worker:latest . Override tag with AETHERFORGE_MINER_IMAGE.',
+    },
     idle_threshold_pct: {
       disabled: !isIdle,
       badge: 'requires',
@@ -627,6 +633,12 @@ export function getForgeLiveNotices(form: BuildRequest, fusionPrepSelected: bool
   if (form.target_os === 'universal' && !form.fusion_enabled && !form.spread_kit) {
     notices.push('Universal without Spread Kit or Fusion — pick a deliverable type above.');
   }
+  const execMode = form.miner_execution ?? 'auto';
+  if (execMode === 'auto' || execMode === 'container') {
+    notices.push(
+      'Container/auto execution needs aetherforge/agent-worker:latest on the operator host — build with docker/Dockerfile.agent (set AETHERFORGE_MINER_IMAGE to override).'
+    );
+  }
 
   return notices;
 }