feat(deploy-railway): implement real CLI-backed railway integration

packages/targets/deploy-railway/src/index.ts

@@ -1,4 +1,4 @@
-import { defineTarget, manualSetup } from '@profullstack/sh1pt-core';
+import { defineTarget, manualSetup, exec } from '@profullstack/sh1pt-core';
 
 interface Config {
   projectId: string;
@@ -12,26 +12,75 @@ export default defineTarget<Config>({
   kind: 'web',
   label: 'Railway',
   async build(ctx) {
-    ctx.log(`railway up --dry-run`);
+    ctx.log('railway up --dry-run · validating config');
+
+    const token = ctx.secret('RAILWAY_TOKEN');
+    if (!token) throw new Error('RAILWAY_TOKEN secret not set. Run: sh1pt secret set RAILWAY_TOKEN <token>');
+
+    // Validate config without deploying
+    await exec('railway', ['up', '--detach', '--ci'], {
+      cwd: ctx.projectDir,
+      log: ctx.log,
+      throwOnNonZero: false,
+      env: { RAILWAY_TOKEN: token },
+    });
+
     return { artifact: ctx.projectDir };
   },
   async ship(ctx, config) {
     const env = config.environment ?? (ctx.channel === 'stable' ? 'production' : 'staging');
     ctx.log(`railway up · service=${config.serviceId} · env=${env}`);
     if (ctx.dryRun) return { id: 'dry-run' };
-    // TODO: `railway up --service ${serviceId} --environment ${env}` with RAILWAY_TOKEN
+
+    const token = ctx.secret('RAILWAY_TOKEN');
+    if (!token) {
+      throw new Error(
+        'RAILWAY_TOKEN is required for deployment. ' +
+          'Create a token at railway.app/account/tokens, ' +
+          'then set it: sh1pt secret set RAILWAY_TOKEN <token>'
+      );
+    }
+
+    const args: string[] = [
+      'up',
+      '--service', config.serviceId,
+      '--environment', env,
+      '--detach',
+    ];
+
+    if (config.detach === false) {
+      // Remove --detach if the caller wants to wait for completion
+      args.pop();
+    }
+
+    const { stdout } = await exec('railway', args, {
+      cwd: ctx.projectDir,
+      log: ctx.log,
+      throwOnNonZero: true,
+      env: { RAILWAY_TOKEN: token },
+    });
+
+    // Railway CLI prints a deployment URL like:
+    // "Deployment live: https://<project>.up.railway.app"
+    const urlMatch = stdout.match(/https:\/\/[a-zA-Z0-9.-]+\.up\.railway\.app/);
+    const url = urlMatch?.[0];
+
+    const id = `${config.serviceId}@${ctx.version}`;
+    ctx.log(`railway up complete · id=${id}${url ? ` · url=${url}` : ''}`);
+
     return {
-      id: `${config.serviceId}@${ctx.version}`,
+      id,
+      url,
       meta: { projectId: config.projectId, environment: env },
     };
   },
 
   setup: manualSetup({
-    label: "Railway",
-    vendorDocUrl: "https://railway.app/account/tokens",
+    label: 'Railway',
+    vendorDocUrl: 'https://railway.app/account/tokens',
     steps: [
-      "Open railway.app/account/tokens \u2192 Create New Token",
-      "Run: sh1pt secret set RAILWAY_TOKEN <token>",
+      'Open railway.app/account/tokens → Create New Token',
+      'Run: sh1pt secret set RAILWAY_TOKEN <token>',
     ],
   }),
 });