✨ feat(playbook): add no_backup deploy controls

remove obsolete main_language placeholders and language summary template text

limit generated .agents guidance to configured langs and normalize AGENT_RULES trailing newlines

document install_skills no_backup behavior and refresh tests for deployment links and sync flows

tests/test_tsl_entrypoints_consistency.py

@@ -8,6 +8,7 @@ PLAYBOOK_EXAMPLE = ROOT / "playbook.toml.example"
 SKILLS_DOC = ROOT / "SKILLS.md"
 TEMPLATES_CI_README = ROOT / "templates" / "ci" / "README.md"
 REMOVED_TSL_GUIDE = ROOT / "codex" / "skills" / "tsl-guide"
+REFERENCE_CATALOG_SOURCE_INDEX = ROOT / "data" / "tsl_reference_catalog_source" / "index.md"
 
 
 class TslEntrypointsConsistencyTests(unittest.TestCase):
@@ -51,6 +52,11 @@ class TslEntrypointsConsistencyTests(unittest.TestCase):
         self.assertNotIn("tsl-guide", SKILLS_DOC.read_text(encoding="utf-8"))
         self.assertNotIn("$tsl-guide", RULESET_TSL.read_text(encoding="utf-8"))
 
+    def test_reference_catalog_source_index_uses_canonical_reference_entrypoint(self):
+        text = REFERENCE_CATALOG_SOURCE_INDEX.read_text(encoding="utf-8")
+        self.assertIn("docs/tsl/reference/catalog/index.md", text)
+        self.assertNotIn("docs/tsl/syntax_book/function/index.md", text)
+
 
 if __name__ == "__main__":
     unittest.main()