fix: write Codex dev skills as files (#2988)

* fix: write Codex dev skills as files

* fix: route codex dev symlink policy through metadata

* fix: replace codex dev symlinks on refresh

* fix: migrate codex dev skill symlinks

* fix: avoid inactive shared skill dev symlinks

* fix: preserve unrelated dev skill symlinks

src/specify_cli/integrations/base.py

@@ -119,6 +119,9 @@ class IntegrationBase(ABC):
     invoke_separator: str = "."
     """Separator used in slash-command invocations (``"."`` → ``/speckit.plan``)."""
 
+    dev_no_symlink: bool = False
+    """Whether dev-mode registration should write files instead of symlinks."""
+
     multi_install_safe: bool = False
     """Whether this integration is declared safe to install alongside others.
 

src/specify_cli/integrations/codex/__init__.py

@@ -27,6 +27,7 @@ class CodexIntegration(SkillsIntegration):
         "extension": "/SKILL.md",
     }
     context_file = "AGENTS.md"
+    dev_no_symlink = True
     multi_install_safe = True
 
     def build_exec_args(