fix: homelabTestHelm and homelabHelmBuild accept homelab source directly

Same fix as renovate test - these functions were called with the
already-extracted homelab directory but internally called getHomelabSource
which tried to access packages/homelab (failing with ENOENT).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: claude

.dagger/src/homelab-index.ts

@@ -219,24 +219,22 @@ export async function ciHomelab(
 
 /**
  * Build all Helm charts.
- * @param monoRepoSource The monorepo root source directory
+ * @param homelabSource The homelab source directory (packages/homelab)
  */
 export function homelabHelmBuild(
-  monoRepoSource: Directory,
+  homelabSource: Directory,
   version: string,
 ): Directory {
-  const homelabSource = getHomelabSource(monoRepoSource);
   return buildAllCharts(homelabSource, version);
 }
 
 /**
  * Test Helm chart structure, linting, and template rendering.
- * @param monoRepoSource The monorepo root source directory
+ * @param homelabSource The homelab source directory (packages/homelab)
  */
 export async function homelabTestHelm(
-  monoRepoSource: Directory,
+  homelabSource: Directory,
 ): Promise<string> {
-  const homelabSource = getHomelabSource(monoRepoSource);
   const testVersion = "0.1.0-test";
   const helmDist = buildAllCharts(homelabSource, testVersion);
   const helmBinary = dag

.dagger/src/index.ts

@@ -345,7 +345,7 @@ export class Monorepo {
 
   @func()
   homelabHelmBuild(source: Directory, version: string): Directory {
-    return homelabHelmBuildFn(source, version);
+    return homelabHelmBuildFn(source.directory("packages/homelab"), version);
   }
 
   @func()
@@ -355,7 +355,7 @@ export class Monorepo {
 
   @func()
   async homelabTestHelm(source: Directory): Promise<string> {
-    return homelabTestHelmFn(source);
+    return homelabTestHelmFn(source.directory("packages/homelab"));
   }
 
   @func()