template: substitute placeholders

Taskfile.yml

@@ -7,10 +7,10 @@ tasks:
   build:
     desc: Build the binary
     deps: [generate]
-    cmds: [go build -o bin/__PROJECT_NAME__ ./cmd/__PROJECT_NAME__]
+    cmds: [go build -o bin/spatial-agent-app ./cmd/spatial-agent-app]
   run:
     deps: [build]
-    cmds: [./bin/__PROJECT_NAME__]
+    cmds: [./bin/spatial-agent-app]
   test:
     desc: Run all tests
     deps: [generate]
@@ -27,7 +27,7 @@ tasks:
       # The template guard decides whether CI runs at all in every child repo,
       # so its regression test belongs in the same gate as the Go tests.
       - bash scripts/tests/is-template_test.sh
-      # The three Go commands above cannot see cmd/__PROJECT_NAME__ -- Go's
+      # The three Go commands above cannot see cmd/spatial-agent-app -- Go's
       # ./... expansion skips directories whose names start with an underscore.
       # This gates the substituted result, which is what a child actually runs.
       - bash scripts/tests/generated-child_test.sh