Implement cost calculator for Tuber (#471)

* Adding cost calculation in tuner for BYOK

* fix

* implement cost calculator for Tuner

* Update api/services/integrations/tuner/completion.py

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

* feat: expose render_options in node spec

* Update api/services/integrations/registry.py

Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>

---------

Co-authored-by: mohamed salem <259547077+mohamedsalem-bot@users.noreply.github.com>
Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>
Co-authored-by: Abhishek Kumar <abhishek@a6k.me>

api/services/workflow/node_specs/__init__.py

@@ -14,7 +14,10 @@ from api.services.workflow.node_specs._base import (
     NodeCategory,
     NodeExample,
     NodeSpec,
+    NumberInputOptions,
+    PropertyLayoutOptions,
     PropertyOption,
+    PropertyRendererOptions,
     PropertySpec,
     PropertyType,
     evaluate_display_options,
@@ -65,7 +68,10 @@ __all__ = [
     "NodeCategory",
     "NodeExample",
     "NodeSpec",
+    "NumberInputOptions",
+    "PropertyLayoutOptions",
     "PropertyOption",
+    "PropertyRendererOptions",
     "PropertySpec",
     "PropertyType",
     "all_specs",

api/services/workflow/node_specs/_base.py

@@ -133,6 +133,42 @@ class PropertyOption(BaseModel):
         return out
 
 
+class PropertyLayoutOptions(BaseModel):
+    """Renderer layout hints for a property in the node editor."""
+
+    column_span: Optional[int] = Field(
+        default=None,
+        ge=1,
+        le=12,
+        description="Number of columns to occupy in the editor's 12-column grid.",
+    )
+
+    model_config = ConfigDict(extra="forbid")
+
+
+class NumberInputOptions(BaseModel):
+    """Renderer hints for numeric inputs."""
+
+    fractional: bool = Field(
+        default=False,
+        description="Allow arbitrary fractional values via step='any'.",
+    )
+
+    model_config = ConfigDict(extra="forbid")
+
+
+class PropertyRendererOptions(BaseModel):
+    """Typed renderer metadata for node properties.
+
+    Add new renderer behavior here instead of using free-form property metadata.
+    """
+
+    layout: Optional[PropertyLayoutOptions] = None
+    number_input: Optional[NumberInputOptions] = None
+
+    model_config = ConfigDict(extra="forbid")
+
+
 class PropertySpec(BaseModel):
     """Single field on a node.
 
@@ -180,8 +216,9 @@ class PropertySpec(BaseModel):
     # Renderer hint, e.g. "textarea" vs single-line for `string`.
     editor: Optional[str] = None
 
-    # Free-form metadata for renderer-specific behavior. Use sparingly.
-    extra: dict[str, Any] = Field(default_factory=dict)
+    # Typed metadata for renderer-specific behavior. Extend
+    # `PropertyRendererOptions` when the renderer needs a new hint.
+    renderer_options: Optional[PropertyRendererOptions] = None
 
     model_config = ConfigDict(extra="forbid")
 
@@ -192,7 +229,7 @@ class PropertySpec(BaseModel):
         description, llm_hint, requiredness, default, enum options, nested
         row properties, and validation bounds. UI-rendering concerns
         (`display_name`, `placeholder`, `display_options`, `editor`,
-        `extra`) and null/empty fields are omitted — they're noise in the
+        `renderer_options`) and null/empty fields are omitted — they're noise in the
         model's context and never appear in authored SDK code.
         """
         out: dict[str, Any] = {

api/services/workflow/node_specs/model_spec.py

@@ -16,6 +16,7 @@ from api.services.workflow.node_specs._base import (
     NodeExample,
     NodeSpec,
     PropertyOption,
+    PropertyRendererOptions,
     PropertySpec,
     PropertyType,
 )
@@ -50,7 +51,7 @@ def spec_field(
     display_options: DisplayOptions | None = None,
     options: list[PropertyOption] | None = None,
     editor: str | None = None,
-    extra: dict[str, Any] | None = None,
+    renderer_options: PropertyRendererOptions | None = None,
     spec_exclude: bool = False,
     min_value: float | None = None,
     max_value: float | None = None,
@@ -69,7 +70,7 @@ def spec_field(
         "display_options": display_options,
         "options": options,
         "editor": editor,
-        "extra": extra or {},
+        "renderer_options": renderer_options,
         "spec_exclude": spec_exclude,
         "min_value": min_value,
         "max_value": max_value,
@@ -206,7 +207,7 @@ def _build_property_spec(
         max_length=max_length,
         pattern=pattern,
         editor=meta.get("editor"),
-        extra=meta.get("extra") or {},
+        renderer_options=meta.get("renderer_options"),
     )