diff --git a/apps/canvas/front/src/lib/state.ts b/apps/canvas/front/src/lib/state.ts
index 8ada938..3733e56 100644
--- a/apps/canvas/front/src/lib/state.ts
+++ b/apps/canvas/front/src/lib/state.ts
@@ -46,7 +46,7 @@
 			case "volume":
 				return n.data.label || "Volume";
 			case undefined:
-				throw new Error("MUST NOT REACH!");
+				throw new Error(`nodeLabel: Node type is undefined. Node ID: ${n.id}, Data: ${JSON.stringify(n.data)}`);
 		}
 	} catch (e) {
 		console.error("opaa", e);
@@ -106,7 +106,9 @@
 			}
 			return true;
 		case undefined:
-			throw new Error("MUST NOT REACH!");
+			throw new Error(
+				`nodeIsConnectable: Node type is undefined. Node ID: ${n.id}, Handle: ${handle}, Data: ${JSON.stringify(n.data)}`,
+			);
 	}
 }
 
@@ -153,12 +155,12 @@
 };
 
 const defaultEnv: Env = {
-	managerAddr: undefined,
 	deployKeyPublic: undefined,
 	instanceId: undefined,
 	networks: [],
 	integrations: {
 		github: false,
+		gemini: false,
 	},
 	services: [],
 	user: {
@@ -225,7 +227,6 @@
 const projectIdSelector = (state: AppState) => state.projectId;
 const categoriesSelector = (state: AppState) => state.categories;
 const messagesSelector = (state: AppState) => state.messages;
-const githubServiceSelector = (state: AppState) => state.githubService;
 const envSelector = (state: AppState) => state.env;
 const zoomSelector = (state: AppState) => state.zoom;
 const githubRepositoriesSelector = (state: AppState) => state.githubRepositories;
@@ -268,8 +269,12 @@
 	return useStateStore(envSelector);
 }
 
-export function useGithubService(): GitHubService | null {
-	return useStateStore(githubServiceSelector);
+export function useGithubService(): boolean {
+	return useStateStore(envSelector).integrations.github;
+}
+
+export function useGeminiService(): boolean {
+	return useStateStore(envSelector).integrations.gemini;
 }
 
 export function useGithubRepositories(): GitHubRepository[] {
@@ -457,7 +462,9 @@
 			if (c.sourceHandle === "env_var" && c.targetHandle === "env_var") {
 				const sourceEnvVars = nodeEnvVarNames(sn);
 				if (sourceEnvVars.length === 0) {
-					throw new Error("MUST NOT REACH!");
+					throw new Error(
+						`onConnect (env_var): Source node ${sn.id} (type: ${sn.type}) has no env vars to connect from.`,
+					);
 				}
 				const id = uuidv4();
 				if (sourceEnvVars.length === 1) {