chore: better welcome messgae, throw on config parse error

add instructions for gateway mode, change config order, and don't
hard-code the config path, pull it from the default config

src/cli/onboard.ts

@@ -5,13 +5,19 @@ import pc from 'picocolors';
 import { ConfigSchema, type Config } from '../config/types.ts';
 import { ensureWorkspace, resolvePath, checkWorkspaceEmpty, syncTemplates } from './utils.ts';
 
+function logCreated(item: string) {
+  console.info(pc.green(`  ✓ Created ${item}`));
+}
+
 export function onboardCommand(program: Command): void {
   program
     .command('onboard [path]')
     .description('Initialize a new nanobot workspace with config and templates')
     .action(async (rawPath?: string) => {
       try {
-        const targetPath = resolvePath(rawPath ?? '~/.config/nanobot');
+        const defaultConfig: Config = ConfigSchema.parse({});
+
+        const targetPath = resolvePath(rawPath ?? defaultConfig.agent.workspacePath);
         const configPath = join(targetPath, 'config.json');
 
         console.info(pc.blue('Initializing nanobot workspace...'));
@@ -21,18 +27,17 @@ export function onboardCommand(program: Command): void {
         checkWorkspaceEmpty(targetPath);
 
         // Create workspace directory
-        ensureWorkspace(targetPath);
+        ensureWorkspace(targetPath, true);
-        console.info(pc.green('✓ Created workspace directory'));
+        logCreated('workspace directory')
 
         // Write default config
-        const defaultConfig: Config = ConfigSchema.parse({});
         writeFileSync(configPath, JSON.stringify(defaultConfig, null, 2), 'utf8');
-        console.info(pc.green('✓ Created config.json'));
+        logCreated('config.json')
 
         // Sync templates
         const createdFiles = syncTemplates(targetPath);
         for (const file of createdFiles) {
-          console.info(pc.dim(`  Created ${file}`));
+          logCreated(file)
         }
 
         console.info();
@@ -40,10 +45,13 @@ export function onboardCommand(program: Command): void {
         console.info();
         console.info(pc.bold('Next steps:'));
         console.info(`  1. Edit ${pc.cyan(configPath)} to add your API keys`);
-        console.info(`  2. Customize ${pc.cyan(join(targetPath, 'USER.md'))} with your preferences`);
+        console.info(`  2. Customize ${pc.cyan(join(targetPath, 'USER.md'))} and ${pc.cyan(join(targetPath, 'SOUL.md'))} with your preferences`);
         console.info(`  3. Start chatting: ${pc.cyan('bun run nanobot agent')}`);
         console.info();
-        console.info(pc.dim('For Mattermost integration, configure the channels.mattermost section in config.json'));
+        console.info(`  -- For gateway mode:`);
+        console.info(`  1. Edit ${pc.cyan(configPath)} to add your channel config (Mattermost)`);
+        console.info(`  2. Connect your agent: ${pc.cyan('bun run nanobot gateway')}`);
+        console.info();
       } catch (err) {
         console.error(pc.red(String(err)));
         process.exit(1);

src/config/loader.ts

@@ -20,9 +20,9 @@ export function loadConfig(configPath?: string): Config {
   let json: unknown;
   try {
     json = JSON.parse(raw);
-  } catch {
+  } catch(error) {
     console.error(`Failed to parse config at ${path}`);
-    return ConfigSchema.parse({});
+    throw error
   }
 
   // Apply NANOBOT_ env var overrides before validation

src/config/types.ts

@@ -112,6 +112,7 @@ export type HeartbeatConfig = z.infer<typeof HeartbeatConfigSchema>;
 // ---------------------------------------------------------------------------
 
 export const ConfigSchema = z.object({
+  providers: ProvidersConfigSchema.default(() => ({})),
   agent: AgentConfigSchema.default(() => ({
     model: 'anthropic/claude-sonnet-4-5',
     workspacePath: '~/.config/nanobot',
@@ -120,13 +121,12 @@ export const ConfigSchema = z.object({
     temperature: 0.7,
     maxToolIterations: 40,
   })),
-  providers: ProvidersConfigSchema.default(() => ({})),
+  heartbeat: HeartbeatConfigSchema.default(() => ({ enabled: false, intervalMinutes: 30 })),
   channels: ChannelsConfigSchema.default(() => ({ sendProgress: true, sendToolHints: true })),
   tools: ToolsConfigSchema.default(() => ({
     exec: { timeout: 120, denyPatterns: [], restrictToWorkspace: false },
     web: {},
     restrictToWorkspace: false,
   })),
-  heartbeat: HeartbeatConfigSchema.default(() => ({ enabled: false, intervalMinutes: 30 })),
 });
 export type Config = z.infer<typeof ConfigSchema>;