Use default package in workspace templates

.llm/BETA_5_PACKAGE_WORKSPACE_DISCIPLINE.md

@@ -21,6 +21,8 @@ ABI promise.
 - Diagnose duplicate workspace members after path normalization before package
   loading.
 - Add workspace package and dependency summaries to `glagol doc`.
+- Teach generated workspace templates and canonical workspace examples to
+  declare `default_package = "app"`.
 - Keep dependency resolution local-path-only and deterministic.
 
 ## Acceptance Gates
@@ -28,6 +30,7 @@ ABI promise.
 - `cargo test --test project_mode workspace_default_package`
 - `cargo test --test project_mode workspace_package_boundaries`
 - `cargo test --test dx_v1_7 doc_generates_workspace_package_summary`
+- `cargo test --test dx_v1_7 new_workspace_template`
 - `cargo fmt --check`
 - `git diff --check`
 

README.md

@@ -157,9 +157,9 @@ Local workspaces may declare `[workspace] default_package = "name"` to select
 the build/run entry package when multiple packages have entry modules.
 Duplicate normalized workspace members and missing default-package references
 are now dedicated diagnostics. `glagol doc <workspace> -o <dir>` includes a
-workspace package/dependency summary. Remote registries, lockfiles,
-semantic-version solving, package publishing, and stable package ABI/layout
-remain deferred.
+workspace package/dependency summary. New workspace templates declare
+`default_package = "app"`. Remote registries, lockfiles, semantic-version
+solving, package publishing, and stable package ABI/layout remain deferred.
 
 ## Documentation
 

compiler/src/scaffold.rs

@@ -121,7 +121,7 @@ fn create_workspace_project(root: &Path, target: &str) -> Result<(), Diagnostic>
     create_dir_all_checked(&lib_src, target)?;
     write_checked(
         &root.join("slovo.toml"),
-        "[workspace]\nmembers = [\"packages/app\", \"packages/libutil\"]\n",
+        "[workspace]\nmembers = [\"packages/app\", \"packages/libutil\"]\ndefault_package = \"app\"\n",
         target,
     )?;
     write_checked(

compiler/tests/dx_v1_7.rs

@@ -228,7 +228,7 @@ fn new_workspace_template_creates_local_package_workspace() {
     assert_success("glagol new --template workspace", &output);
     assert_eq!(
         fs::read_to_string(workspace.join("slovo.toml")).expect("read workspace manifest"),
-        "[workspace]\nmembers = [\"packages/app\", \"packages/libutil\"]\n"
+        "[workspace]\nmembers = [\"packages/app\", \"packages/libutil\"]\ndefault_package = \"app\"\n"
     );
     assert!(workspace.join("packages/app/slovo.toml").is_file());
     assert!(workspace.join("packages/libutil/slovo.toml").is_file());

docs/compiler/RELEASE_NOTES.md

@@ -20,6 +20,8 @@ integration/readiness release, not the first real beta.
   that lacks its entry module with `WorkspaceDefaultPackageEntryMissing`.
 - `glagol doc <workspace> -o <dir>` now includes a deterministic workspace
   summary with members, packages, and local package dependency edges.
+- `glagol new --template workspace` and the canonical local workspace examples
+  now declare `default_package = "app"`.
 
 ## 1.0.0-beta.4
 

docs/language/RELEASE_NOTES.md

@@ -28,6 +28,8 @@ diagnostics bundle.
   `WorkspaceDefaultPackageEntryMissing` during build/run.
 - Workspace documentation generated by `glagol doc` now includes a
   deterministic summary of members, packages, and local dependency edges.
+- Generated workspace templates and the canonical local workspace examples now
+  declare `default_package = "app"`.
 
 ## 1.0.0-beta.4
 

docs/language/examples/workspaces/exp-5-local/slovo.toml

@@ -1,2 +1,3 @@
 [workspace]
 members = ["packages/app", "packages/mathlib"]
+default_package = "app"

examples/workspaces/exp-5-local/slovo.toml

@@ -1,2 +1,3 @@
 [workspace]
 members = ["packages/app", "packages/mathlib"]
+default_package = "app"