feat: complete catalog fleet management workflow

backend/src/routes/catalog-databases.ts

@@ -66,6 +66,7 @@ const secretsSchema = z.object({
   values: z.partialRecord(z.enum(secretNames), z.string().min(1).max(65_536)).refine((values) => Object.keys(values).length > 0),
 }).strict();
 const versionQuery = z.object({ version: z.coerce.number().int().positive() });
+const metricsQuery = z.object({ databaseId: z.uuid().optional() }).strict();
 
 function safeError(reply: FastifyReply, error: unknown) {
   if (error instanceof CatalogUnavailableError) {
@@ -114,6 +115,21 @@ export function catalogDatabaseRoutes(
     return { available: await deps.repository.available() };
   });
 
+  app.get("/catalog/metrics", async (request, reply) => {
+    if (!manage(request, reply)) return reply;
+    try {
+      const { databaseId } = metricsQuery.parse(request.query);
+      const metrics = await deps.repository.getCatalogMetrics(databaseId);
+      if (!metrics) {
+        return reply.code(404).send({
+          code: "database_not_found",
+          message: "Database configuration was not found.",
+        });
+      }
+      return metrics;
+    } catch (error) { return safeError(reply, error); }
+  });
+
   app.get("/catalog/databases", async (request, reply) => {
     if (!manage(request, reply)) return reply;
     try {