feat(server): add checkModuleAvailability endpoint and contracts

client/src/contract.ts

@@ -2419,6 +2419,36 @@ export const contract = {
     }
   },
   "modules": {
+    "checkModuleAvailability": {
+      "method": "get",
+      "description": "Check if a module is available (installed)",
+      "noAuth": false,
+      "encrypted": true,
+      "isDownloadable": false,
+      "media": null,
+      "input": {
+        "query": {
+          "$schema": "https://json-schema.org/draft/2020-12/schema",
+          "type": "object",
+          "properties": {
+            "moduleId": {
+              "type": "string",
+              "minLength": 1
+            }
+          },
+          "required": [
+            "moduleId"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "output": {
+        "OK": {
+          "$schema": "https://json-schema.org/draft/2020-12/schema",
+          "type": "boolean"
+        }
+      }
+    },
     "list": {
       "method": "get",
       "description": "List installed modules with metadata",

packages/ui/src/contract.ts

@@ -2419,6 +2419,36 @@ export const contract = {
     }
   },
   "modules": {
+    "checkModuleAvailability": {
+      "method": "get",
+      "description": "Check if a module is available (installed)",
+      "noAuth": false,
+      "encrypted": true,
+      "isDownloadable": false,
+      "media": null,
+      "input": {
+        "query": {
+          "$schema": "https://json-schema.org/draft/2020-12/schema",
+          "type": "object",
+          "properties": {
+            "moduleId": {
+              "type": "string",
+              "minLength": 1
+            }
+          },
+          "required": [
+            "moduleId"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "output": {
+        "OK": {
+          "$schema": "https://json-schema.org/draft/2020-12/schema",
+          "type": "boolean"
+        }
+      }
+    },
     "list": {
       "method": "get",
       "description": "List installed modules with metadata",

server/src/lib/modules/routes/modules.ts

@@ -8,6 +8,7 @@ import forge from '../forge'
 import scanFederatedModules, {
   type ModuleManifestEntry
 } from '../utils/scanFederatedModules'
+import { checkModulesAvailability } from '@functions/utils/checkModulesAvailability'
 
 const APPS_DIR = path.join(ROOT_DIR, 'apps')
 
@@ -194,3 +195,21 @@ export const uninstall = forge
       return response.ok({ success: false, error: message })
     }
   })
+
+export const checkModuleAvailability = forge
+  .query({
+    description: 'Check if a module is available (installed)',
+    input: {
+      query: z.object({
+        moduleId: z.string().min(1)
+      })
+    },
+    output: {
+      OK: z.boolean()
+    }
+  })
+  .callback(async ({ query: { moduleId }, response }) => {
+    const available = await checkModulesAvailability(moduleId)
+
+    return response.ok(available)
+  })