Cover config prompt route in smoke tests

docs/prompt-architecture-improvement-plan.md

@@ -244,7 +244,9 @@ Near-term:
   pairs.
 - Cover camera-scene preservation through `tools/prompt_smoke.py` for single
   rows, split soft/hard pair cameras, and POV camera-scene routing. Expand it
-  next for close foreplay and POV penetration.
+- Cover config-node routing through `tools/prompt_smoke.py` for category, cast,
+  generation profile, seed lock, camera, location theme, and composition config.
+  Expand it next for close foreplay and POV penetration.
 
 Medium-term:
 
@@ -302,8 +304,8 @@ Medium-term:
 
 ## Recommended Next Passes
 
-1. Expand `tools/prompt_smoke.py` with close foreplay, POV penetration, and
+1. Expand `tools/prompt_smoke.py` with close foreplay and POV penetration
-   location-theme fixtures.
+   fixtures.
 2. Split Krea action/POV/clothing helpers into separate modules.
 3. Extract scene-camera adapters from `prompt_builder.py`.
 4. Split `__init__.py` node classes by family after behavior is covered by smoke

docs/prompt-pool-routing-map.md

@@ -678,6 +678,8 @@ pair metadata through the core Python APIs, then verifies:
 - Krea2, SDXL, and natural caption routes use metadata instead of text fallback;
 - SDXL and caption trigger handling keeps one trigger;
 - negative prompts do not duplicate comma-list items;
+- `SxCP Prompt Builder From Configs`-style wiring preserves category, cast,
+  generation profile, seed lock, camera, location theme, and composition config;
 - same-room Insta/OF continuity keeps prompt text and `hardcore_row.scene_text`
   synchronized;
 - camera-aware coworking scene text survives single-row Krea formatting;

tools/prompt_smoke.py

@@ -192,6 +192,15 @@ def _coworking_location_config() -> str:
     )
 
 
+def _classical_library_theme_configs() -> tuple[str, str]:
+    location_config, composition_config, _summary = pb.build_thematic_location_json(
+        enabled=True,
+        combine_mode="replace",
+        theme="classical_library",
+    )
+    return location_config, composition_config
+
+
 def _orbit_camera(
     *,
     horizontal_angle: int,
@@ -299,6 +308,59 @@ def smoke_camera_scene_single() -> None:
     _expect_formatter_outputs(row, "camera_scene_single", target="single")
 
 
+def smoke_config_route_location_theme() -> None:
+    location_config, composition_config = _classical_library_theme_configs()
+    row = pb.build_prompt_from_configs(
+        row_number=1,
+        start_index=1,
+        seed=3301,
+        category_config=pb.build_category_config_json("hardcore_pose", "Foreplay and teasing"),
+        cast_config=pb.build_cast_config_json("mixed_couple"),
+        generation_profile=pb.build_generation_profile_json(
+            profile="hardcore_intense",
+            trigger_policy="prepend_trigger",
+        ),
+        filter_config=pb.build_ethnicity_list_json(
+            include_french_european=True,
+            strict_excludes=True,
+        )["filter_config"],
+        seed_config=pb.build_seed_lock_config_json(
+            base_seed=3301,
+            reroll_axis="pose",
+            reroll_seed=3302,
+        ),
+        camera_config=_orbit_camera(
+            horizontal_angle=315,
+            vertical_angle=0,
+            zoom=5.0,
+            subject_focus="action",
+        ),
+        character_cast=_character_cast(),
+        hardcore_position_config=_action_filter("foreplay_only"),
+        location_config=location_config,
+        composition_config=composition_config,
+    )
+    _expect_custom_row(row, "config_route_location_theme")
+    _expect(row.get("subcategory") == "Foreplay and teasing", "config route did not preserve requested subcategory")
+    _expect(row.get("subject_type") == "configured_cast", "config route did not apply character cast")
+    scene = _expect_text("config_route_location_theme.scene_text", row.get("scene_text"), 20)
+    composition = _expect_text("config_route_location_theme.composition", row.get("composition"), 10)
+    camera = _expect_text("config_route_location_theme.camera_directive", row.get("camera_directive"), 20)
+    _expect("library" in scene.lower() or "bookshelves" in scene.lower(), "location theme did not drive scene")
+    _expect("books" in composition.lower() or "shelf" in composition.lower() or "library" in composition.lower(), "location theme did not drive composition")
+    _expect("315-degree front-left quarter view" in camera, "config route did not preserve orbit camera directive")
+    seed_config = row.get("seed_config") if isinstance(row.get("seed_config"), dict) else {}
+    _expect(seed_config.get("pose_seed") == 3302, "seed lock did not reroll pose axis")
+    _expect(seed_config.get("role_seed") == 3302, "seed lock did not reroll role axis")
+    _expect(row.get("trigger") == "sxcpinup_coloredpencil", "generation profile trigger did not apply")
+    _expect_trigger_once("config_route_location_theme.prompt", row.get("prompt"), "sxcpinup_coloredpencil")
+    krea = krea_formatter.format_krea2_prompt("", metadata_json=_json(row), target="single")
+    prompt = krea.get("krea_prompt") or ""
+    _expect("library" in prompt.lower() or "bookshelves" in prompt.lower(), "Krea config route lost theme scene")
+    _expect("315-degree front-left quarter view" in prompt, "Krea config route lost camera directive")
+    _expect_formatter_outputs(row, "config_route_location_theme", target="single")
+
+
 def smoke_hardcore_category_routes() -> None:
     cast = _character_cast()
     cases = [
@@ -520,6 +582,7 @@ def smoke_no_expression_fallback() -> None:
 SMOKE_CASES: list[tuple[str, Callable[[], None]]] = [
     ("builtin_single_woman", smoke_builtin_single),
     ("camera_scene_single", smoke_camera_scene_single),
+    ("config_route_location_theme", smoke_config_route_location_theme),
     ("hardcore_category_routes", smoke_hardcore_category_routes),
     ("insta_pair_same_cast", smoke_insta_pair),
     ("insta_pair_pov_man", smoke_insta_pair_pov),