refactor(config): migrate C2 autoexec call sites to self-identifying guard

conf.d/__fish_config_op_registry.fish

@@ -7,7 +7,10 @@
 # Source: docs/generate_component_registry.py
 
 set -g __fish_config_op_registry_keys \
+    __auto_source_fallback_venv: \
+    __fish_user_dots_link: \
     agy: \
+    auto-pull: \
     bash: \
     cat: \
     claude: \
@@ -27,7 +30,10 @@ set -g __fish_config_op_registry_keys \
     zoxide:
 
 set -g __fish_config_op_registry_values \
+    "autoexec/venv" \
+    "autoexec/sync" \
     "aliases/dev-tools" \
+    "autoexec/sync autoexec/sync" \
     "aliases/shell-tools" \
     "aliases/filesystem" \
     "aliases/dev-tools" \

conf.d/auto-pull.fish

@@ -14,8 +14,11 @@
 # Manage the registry with: auto-pull add / remove / list / status
 
 # C2 guard: when auto-execution is disabled, do not register the handler.
-__fish_config_op_enabled __fish_config_op_autoexec; or exit
+__fish_config_op_enabled (status basename); or exit
 
+# COMPONENT
+#   autoexec/sync
+#
 # SYNOPSIS
 #   __auto_pull_on_pwd (event handler, --on-variable PWD)
 #