feat(game): NAVIGATION AI unlocks two-hop jumps in one action (#35)

components/mission-control.tsx

@@ -130,6 +130,7 @@ export function MissionControl() {
   // Slugs of the researched techs — drives the effective caps + build gates in the SHIP SYSTEMS
   // tab via the same pure helpers the API enforces (lib/game/tech.ts).
   const researchedSlugs = new Set((techs ?? []).filter((t) => t.state === 'RESEARCHED').map((t) => t.slug))
+  const navAi = researchedSlugs.has('NAV_AI') // #35 — two-hop systems become jumpable chart fields
 
   return (
     <div
@@ -421,7 +422,7 @@ export function MissionControl() {
                     value="world-map"
                     style={{ margin: 0, padding: '1rem', ...(!narrow ? { display: 'flex', flexDirection: 'column', flex: 1, minHeight: 0 } : {}) }}
                   >
-                    <WorldMapPanel height={380} narrow={narrow} onJumped={refreshSystem} />
+                    <WorldMapPanel height={380} narrow={narrow} navAi={navAi} onJumped={refreshSystem} />
                   </TabsContent>
 
                   {/* LOCAL SYSTEM TAB — live data (state owned by MissionControl; scans report up) */}