fix: resolve core template from package bundle, not project .specify dir

Author: kennedy-whytech

src/specify_cli/presets.py

@@ -48,7 +48,20 @@ def _substitute_core_template(
     if "{CORE_TEMPLATE}" not in body:
         return body
 
+    # Prefer the project's installed core template so project-level commands and
+    # customisations are wrapped correctly.  Fall back to the bundled core_pack or
+    # repo templates for commands that ship with the package.
     core_file = project_root / ".specify" / "templates" / "commands" / f"{short_name}.md"
+    if not core_file.exists():
+        from specify_cli import _locate_core_pack
+        core_pack = _locate_core_pack()
+        if core_pack is not None:
+            core_file = core_pack / "commands" / f"{short_name}.md"
+        else:
+            # Source / editable install: look relative to the package root
+            repo_root = Path(__file__).parent.parent.parent
+            core_file = repo_root / "templates" / "commands" / f"{short_name}.md"
+
     if not core_file.exists():
         return body