Prompt gallery (#957)

- [x] show prompt instead of app in autocomplete
- [x] use proper array/list for db (tags)
- [x] don't do <dyad-prompt> - replace inline

src/ipc/ipc_host.ts

@@ -28,6 +28,7 @@ import { registerProblemsHandlers } from "./handlers/problems_handlers";
 import { registerAppEnvVarsHandlers } from "./handlers/app_env_vars_handlers";
 import { registerTemplateHandlers } from "./handlers/template_handlers";
 import { registerPortalHandlers } from "./handlers/portal_handlers";
+import { registerPromptHandlers } from "./handlers/prompt_handlers";
 
 export function registerIpcHandlers() {
   // Register all IPC handlers by category
@@ -61,4 +62,5 @@ export function registerIpcHandlers() {
   registerAppEnvVarsHandlers();
   registerTemplateHandlers();
   registerPortalHandlers();
+  registerPromptHandlers();
 }