Extract SDXL tag policy

tools/prompt_smoke.py

@@ -76,6 +76,7 @@ import row_subject_route  # noqa: E402
 import server_routes  # noqa: E402
 import sdxl_formatter  # noqa: E402
 import sdxl_presets  # noqa: E402
+import sdxl_tag_policy  # noqa: E402
 import sdxl_tag_routes  # noqa: E402
 import seed_config  # noqa: E402
 import krea_pov  # noqa: E402
@@ -2489,6 +2490,41 @@ def smoke_sdxl_presets_policy() -> None:
     _expect("score_9" not in profiled_prompt, "SDXL photo profile should switch away from Pony score quality tail")
 
 
+def smoke_sdxl_tag_policy() -> None:
+    row = _fixture_hardcore_row(
+        action_family="oral",
+        position_family="oral",
+        position_key="kneeling_oral",
+        position_keys=["kneeling_oral"],
+        formatter_hints={"sdxl": ["policy route tag"]},
+    )
+    _expect(
+        sdxl_formatter._split_tag_text("Woman A with camera, Man A")
+        == sdxl_tag_policy.split_tag_text("Woman A with camera, Man A"),
+        "SDXL formatter split helper should delegate to sdxl_tag_policy",
+    )
+    _expect(
+        sdxl_formatter._metadata_family_tags(row) == sdxl_tag_policy.metadata_family_tags(row),
+        "SDXL formatter metadata-family helper should delegate to sdxl_tag_policy",
+    )
+    _expect(
+        sdxl_formatter._camera_tags(row) == sdxl_tag_policy.camera_tags(row),
+        "SDXL formatter camera helper should delegate to sdxl_tag_policy",
+    )
+    _expect(
+        sdxl_formatter._combine_tags("a, b", "a", "c")
+        == sdxl_tag_policy.combine_tags("a, b", "a", "c")
+        == "a, b, c",
+        "SDXL tag combining changed",
+    )
+    deps = sdxl_formatter._sdxl_tag_route_dependencies()
+    _expect(deps.tag_key is sdxl_tag_policy.tag_key, "SDXL route deps lost policy tag_key")
+    _expect(deps.normal_character_tags is sdxl_tag_policy.normal_character_tags, "SDXL route deps lost character tag policy")
+    _expect(deps.metadata_family_tags is sdxl_tag_policy.metadata_family_tags, "SDXL route deps lost metadata family policy")
+    _expect(deps.camera_tags is sdxl_tag_policy.camera_tags, "SDXL route deps lost camera tag policy")
+    _expect(deps.explicit_tags is sdxl_tag_policy.explicit_tags, "SDXL route deps lost explicit tag policy")
+
+
 def smoke_sdxl_tag_routes() -> None:
     row = _fixture_hardcore_row(
         formatter_hints={
@@ -5315,6 +5351,7 @@ SMOKE_CASES: list[tuple[str, Callable[[], None]]] = [
     ("caption_policy", smoke_caption_policy),
     ("caption_metadata_routes", smoke_caption_metadata_routes),
     ("sdxl_presets_policy", smoke_sdxl_presets_policy),
+    ("sdxl_tag_policy", smoke_sdxl_tag_policy),
     ("sdxl_tag_routes", smoke_sdxl_tag_routes),
     ("hardcore_position_config_policy", smoke_hardcore_position_config_policy),
     ("row_route_metadata_policy", smoke_row_route_metadata_policy),