feat(home): add AI chat interface with OpenCode integration

api/modules/index.ts

@@ -56,6 +56,13 @@ async function getStaticModules(): Promise<ApiModule[]> {
     console.warn('[ModuleLoader] Failed to load remote module:', e)
   }
 
+  try {
+    const { createOpencodeModule } = await import('./opencode/index.js')
+    modules.push(createOpencodeModule())
+  } catch (e) {
+    console.warn('[ModuleLoader] Failed to load opencode module:', e)
+  }
+
   modules.sort((a, b) => {
     const orderA = a.metadata.order ?? 0
     const orderB = b.metadata.order ?? 0
@@ -74,3 +81,4 @@ export * from './pydemos/index.js'
 export * from './document-parser/index.js'
 export * from './ai/index.js'
 export * from './remote/index.js'
+export * from './opencode/index.js'