Add caption pair target routing

tools/prompt_smoke.py

@@ -188,6 +188,7 @@ def _expect_formatter_outputs(row: dict[str, Any], name: str, *, target: str = "
     caption, method = caption_naturalizer.naturalize_caption(
         "",
         metadata_json=metadata,
+        target=target,
         trigger=Trigger,
         include_trigger=True,
     )
@@ -2688,6 +2689,7 @@ def smoke_caption_format_route_policy() -> None:
         source_text="",
         metadata_json=_json(row),
         input_hint="metadata_json",
+        target="single",
         trigger=Trigger,
         include_trigger=False,
         detail_level="concise",
@@ -2702,6 +2704,7 @@ def smoke_caption_format_route_policy() -> None:
         "",
         metadata_json=metadata_request.metadata_json,
         input_hint=metadata_request.input_hint,
+        target=metadata_request.target,
         trigger=metadata_request.trigger,
         include_trigger=metadata_request.include_trigger,
         detail_level=metadata_request.detail_level,
@@ -2711,6 +2714,7 @@ def smoke_caption_format_route_policy() -> None:
     _expect(typed_metadata.as_tuple() == public_metadata, "Typed caption format route should match public metadata output")
     _expect(typed_metadata.branch == "metadata", "Typed caption format route changed metadata branch")
     _expect(typed_metadata.input_hint == "metadata_json", "Typed caption route lost input hint")
+    _expect(typed_metadata.target == "single", "Typed caption route lost target normalization")
     _expect(typed_metadata.detail_level == "dense", "Typed caption route lost training_dense detail override")
     _expect(typed_metadata.style_policy == "drop_style_tail", "Typed caption route lost training_dense style override")
     _expect(typed_metadata.include_trigger is True, "Typed caption route lost training_dense trigger override")
@@ -2719,6 +2723,7 @@ def smoke_caption_format_route_policy() -> None:
     fallback_request = caption_format_route.CaptionFormatRequest(
         source_text="woman, red dress, studio, coloured pencil comic illustration",
         input_hint="bad_hint",
+        target="weird",
         trigger=Trigger,
         include_trigger=True,
         detail_level="dense",
@@ -2732,6 +2737,7 @@ def smoke_caption_format_route_policy() -> None:
     public_fallback = caption_naturalizer.naturalize_caption(
         fallback_request.source_text,
         input_hint=fallback_request.input_hint,
+        target=fallback_request.target,
         trigger=fallback_request.trigger,
         include_trigger=fallback_request.include_trigger,
         detail_level=fallback_request.detail_level,
@@ -2741,6 +2747,7 @@ def smoke_caption_format_route_policy() -> None:
     _expect(typed_fallback.as_tuple() == public_fallback, "Typed caption format route should match public fallback output")
     _expect(typed_fallback.branch == "text", "Typed caption format route changed fallback branch")
     _expect(typed_fallback.input_hint == "auto", "Typed caption route should normalize invalid input hint")
+    _expect(typed_fallback.target == "auto", "Typed caption route should normalize invalid target")
     _expect(typed_fallback.include_trigger is False, "Typed caption browsing profile should disable trigger")
     _expect(typed_fallback.keep_style is True, "Typed caption browsing profile should keep style terms")
     _expect(not typed_fallback.caption.startswith(Trigger), "Typed caption fallback route should not prepend browsing trigger")
@@ -2898,6 +2905,34 @@ def smoke_caption_metadata_routes() -> None:
         caption_naturalizer._insta_of_pair_from_row,
         "metadata(insta_of_pair)",
     )
+    deps = caption_naturalizer._caption_metadata_route_dependencies()
+    soft_route = caption_metadata_routes.insta_of_pair_from_row_result(
+        caption_naturalizer._caption_metadata_route_request(pair, "balanced", False, target="softcore"),
+        deps,
+    )
+    hard_route = caption_metadata_routes.insta_of_pair_from_row_result(
+        caption_naturalizer._caption_metadata_route_request(pair, "balanced", False, target="hardcore"),
+        deps,
+    )
+    _expect(soft_route is not None, "Caption pair softcore target did not match")
+    _expect(hard_route is not None, "Caption pair hardcore target did not match")
+    assert soft_route is not None
+    assert hard_route is not None
+    _expect("Softcore version:" not in soft_route.prose, "Caption softcore target should not keep combined pair labels")
+    _expect("Hardcore version:" not in soft_route.prose, "Caption softcore target should not include hard label")
+    _expect("Softcore version:" not in hard_route.prose, "Caption hardcore target should not include soft label")
+    _expect("Hardcore version:" not in hard_route.prose, "Caption hardcore target should not keep combined pair labels")
+    _expect(soft_route.prose != hard_route.prose, "Caption pair soft/hard targets should produce distinct prose")
+    public_hard, public_hard_method = caption_naturalizer.naturalize_caption(
+        "",
+        metadata_json=_json(pair),
+        input_hint="metadata_json",
+        target="hardcore",
+        trigger=Trigger,
+        include_trigger=False,
+    )
+    _expect(public_hard == hard_route.prose, "Public caption hardcore target drifted from typed route")
+    _expect("metadata(insta_of_pair)" in public_hard_method, "Public caption hardcore target lost pair method")
 
 
 def smoke_sdxl_presets_policy() -> None:
@@ -5854,6 +5889,7 @@ def smoke_node_formatter_registration() -> None:
     _expect("text(" in caption_method, "Caption Naturalizer method changed unexpectedly")
     caption_inputs = sxcp_nodes.NODE_CLASS_MAPPINGS["SxCPCaptionNaturalizer"].INPUT_TYPES().get("required") or {}
     _expect("caption_profile" in caption_inputs, "Caption Naturalizer lost caption_profile input")
+    _expect("target" in caption_inputs, "Caption Naturalizer lost target input")
     _expect("tooltip" in caption_inputs["caption_profile"][1], "Caption profile tooltip injection missing")
 
     krea_output = krea_node().build(
@@ -5987,6 +6023,7 @@ def smoke_node_formatter_registration() -> None:
         "",
         metadata_json=pair_metadata,
         input_hint="metadata_json",
+        target="hardcore",
         trigger=Trigger,
         include_trigger=True,
         detail_level="balanced",
@@ -6001,6 +6038,7 @@ def smoke_node_formatter_registration() -> None:
         "drop_style_tail",
         Trigger,
         True,
+        "hardcore",
         metadata_json=pair_metadata,
     )
     _expect(