feat: simplify subject reconstruction layer

api/main.py

@@ -532,7 +532,7 @@ class SubjectTemplateItem(BaseModel):
     source_job_id: str = ""
     source_frame_idx: int = -1
     source_element_id: str = ""
-    subject_style: Literal["transparent_human", "source_actor"] = "transparent_human"
+    subject_style: Literal["transparent_human", "source_actor", "cartoon_subject"] = "transparent_human"
     primary_image: str = ""
     images: list[SubjectTemplateImage] = Field(default_factory=list)
     created_at: float = 0.0
@@ -599,7 +599,7 @@ class AssetLibraryItem(BaseModel):
     is_official: bool = False
     prompt_brief: str = ""
     prompt_brief_zh: str = ""
-    subject_style: Literal["transparent_human", "source_actor"] = "transparent_human"
+    subject_style: Literal["transparent_human", "source_actor", "cartoon_subject"] = "transparent_human"
     product_type: str = ""
     views: list[AssetLibraryImage] = Field(default_factory=list)
     images: list[AssetLibraryImage] = Field(default_factory=list)
@@ -619,7 +619,7 @@ class AssetLibraryPatchReq(BaseModel):
     source_job_id: str | None = None
     prompt_brief: str | None = None
     prompt_brief_zh: str | None = None
-    subject_style: Literal["transparent_human", "source_actor"] | None = None
+    subject_style: Literal["transparent_human", "source_actor", "cartoon_subject"] | None = None
     product_type: str | None = None
     asset_role: str | None = None
     aspect_ratio: str | None = None
@@ -4788,7 +4788,7 @@ class GenerateSubjectAssetsReq(BaseModel):
     views: list[str] | None = None
     character_id: str = ""
     subject_template_id: str = ""
-    subject_style: Literal["transparent_human", "source_actor"] = "transparent_human"
+    subject_style: Literal["transparent_human", "source_actor", "cartoon_subject"] = "transparent_human"
     reconstruction_mode: Literal["same", "similar"] = "same"
     subject_profile: SubjectProfilePreference | None = None
     prompt: str = ""
@@ -5340,7 +5340,12 @@ def generate_subject_assets(job_id: str, idx: int, element_id: str, req: Generat
     target = (el.name_en or el.name_zh).strip()
     bg_phrase = "pure white" if req.background == "white" else "pure black"
     similar_actor = req.subject_kind == "living" and req.subject_style == "source_actor" and req.reconstruction_mode == "similar"
-    kind_phrase = "human actor or living character" if req.subject_kind == "living" else "object or product-like subject"
+    cartoon_subject = req.subject_kind == "living" and req.subject_style == "cartoon_subject"
+    kind_phrase = (
+        "original stylized cartoon or illustrative living character"
+        if cartoon_subject else
+        "human actor or living character" if req.subject_kind == "living" else "object or product-like subject"
+    )
     transparent_character_clause = (
         TRANSPARENT_HUMAN_POSITIVE_PROMPT
         + " The generated living character must be a friendly transparent humanoid with transparent or translucent outer body and clean white skeleton visible inside the same body. "
@@ -5357,6 +5362,14 @@ def generate_subject_assets(job_id: str, idx: int, element_id: str, req: Generat
         if similar_actor
         else ""
     )
+    cartoon_style_clause = (
+        "Generate an original stylized cartoon or illustrated advertising character, not a photoreal person and not a copied likeness. "
+        "Use the source brief only for broad role, pose logic, mood, body proportion category, neck-and-shoulder readability, and commercial energy. "
+        "Change the face, exact silhouette, clothing details, marks, logos, watermarks, captions, and any identifiable source-video features. "
+        "Keep one consistent cartoon design system, proportions, materials, color language, and character identity across all requested views. "
+        if cartoon_subject
+        else ""
+    )
     identity_clause = (
         "Create a similar but non-identical original subject: match the performance role, silhouette category, styling direction, camera-readability, and commercial mood, while changing exact identity and unique personal features. "
         if req.reconstruction_mode == "similar"
@@ -5431,6 +5444,7 @@ def generate_subject_assets(job_id: str, idx: int, element_id: str, req: Generat
                 + prompt_extra_clause
                 + subject_profile_clause
                 + actor_style_clause
+                + cartoon_style_clause
                 + framing_clause
                 + f"Create a high-definition standalone asset on a solid {bg_phrase} background. "
                 "No extra objects, no props, no additional products, no background elements, no original scene fragments, no shadows from the original scene, no text, no watermark, no UI. "
@@ -6340,7 +6354,7 @@ class SaveSubjectTemplateReq(BaseModel):
     frame_idx: int
     element_id: str
     asset_ids: list[str] = Field(default_factory=list)
-    subject_style: Literal["transparent_human", "source_actor"] = "transparent_human"
+    subject_style: Literal["transparent_human", "source_actor", "cartoon_subject"] = "transparent_human"
 
 
 @app.get("/product-library/skg", response_model=list[ProductLibraryItem])