fix: create stub .dagger/package.json instead of copying from source

homelab-ha.ts and homelab-dependency-summary.ts tried to copy
.dagger/package.json from the homelab source directory, but that file
doesn't exist. Use the same stub creation approach as homelab-base.ts.

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

Author: claude

.dagger/src/homelab-dependency-summary.ts

@@ -46,7 +46,12 @@ function buildDependencySummaryContainer(source: Directory): Container {
       .withDirectory("src/ha", source.directory("src/ha"), {
         exclude: ["node_modules"],
       })
-      .withFile(".dagger/package.json", source.file(".dagger/package.json"))
+      // Create stub .dagger/package.json since Dagger excludes .dagger directory by default
+      .withExec([
+        "sh",
+        "-c",
+        'mkdir -p .dagger && echo \'{"name":"@homelab/dagger","type":"module","private":true}\' > .dagger/package.json',
+      ])
       // Install dependencies (cached unless dependency files change)
       .withMountedCache(
         "/root/.bun/install/cache",

.dagger/src/homelab-ha.ts

@@ -137,7 +137,12 @@ function buildHaContainer(source: Directory): Container {
       .withDirectory("src/deps-email", source.directory("src/deps-email"), {
         exclude: ["node_modules"],
       })
-      .withFile(".dagger/package.json", source.file(".dagger/package.json"))
+      // Create stub .dagger/package.json since Dagger excludes .dagger directory by default
+      .withExec([
+        "sh",
+        "-c",
+        'mkdir -p .dagger && echo \'{"name":"@homelab/dagger","type":"module","private":true}\' > .dagger/package.json',
+      ])
       // Install dependencies (cached unless dependency files change)
       .withMountedCache(
         "/root/.bun/install/cache",