fix(backend): Validate 'name' attribute when constructing AgentInput/OutputBlock

Updated block costs in `backend/backend/data/block_cost_config.py`:
  - **AIShortformVideoCreatorBlock**: Updated from 50 credits to 307
  - **AIAdMakerVideoCreatorBlock**: Added cost of 714 credits
  - **AIScreenshotToVideoAdBlock**: Added cost of 612 credits

  ### Checklist 📋

  #### For code changes:
  - [x] I have clearly listed my changes in the PR description
  - [x] I have made a test plan
  - [x] I have tested my changes according to the test plan:
- [x] Verify AIShortformVideoCreatorBlock costs 307 credits when
executed
- [x] Verify AIAdMakerVideoCreatorBlock costs 714 credits when executed
- [x] Verify AIScreenshotToVideoAdBlock costs 612 credits when executed

autogpt_platform/backend/backend/data/block_cost_config.py

@@ -1,7 +1,11 @@
 from typing import Type
 
 from backend.blocks.ai_music_generator import AIMusicGeneratorBlock
-from backend.blocks.ai_shortform_video_block import AIShortformVideoCreatorBlock
+from backend.blocks.ai_shortform_video_block import (
+    AIAdMakerVideoCreatorBlock,
+    AIScreenshotToVideoAdBlock,
+    AIShortformVideoCreatorBlock,
+)
 from backend.blocks.apollo.organization import SearchOrganizationsBlock
 from backend.blocks.apollo.people import SearchPeopleBlock
 from backend.blocks.apollo.person import GetPersonDetailBlock
@@ -323,7 +327,31 @@ BLOCK_COSTS: dict[Type[Block], list[BlockCost]] = {
     ],
     AIShortformVideoCreatorBlock: [
         BlockCost(
-            cost_amount=50,
+            cost_amount=307,
+            cost_filter={
+                "credentials": {
+                    "id": revid_credentials.id,
+                    "provider": revid_credentials.provider,
+                    "type": revid_credentials.type,
+                }
+            },
+        )
+    ],
+    AIAdMakerVideoCreatorBlock: [
+        BlockCost(
+            cost_amount=714,
+            cost_filter={
+                "credentials": {
+                    "id": revid_credentials.id,
+                    "provider": revid_credentials.provider,
+                    "type": revid_credentials.type,
+                }
+            },
+        )
+    ],
+    AIScreenshotToVideoAdBlock: [
+        BlockCost(
+            cost_amount=612,
             cost_filter={
                 "credentials": {
                     "id": revid_credentials.id,

autogpt_platform/backend/backend/data/graph.py

@@ -264,7 +264,16 @@ class BaseGraph(BaseDbModel):
         schema_fields: list[AgentInputBlock.Input | AgentOutputBlock.Input] = []
         for type_class, input_default in props:
             try:
-                schema_fields.append(type_class.model_construct(**input_default))
+                constructed_obj = type_class.model_construct(**input_default)
+                # Validate that the constructed object has required 'name' attribute
+                # model_construct() bypasses validation, so we need to check manually
+                if not hasattr(constructed_obj, "name") or constructed_obj.name is None:
+                    logger.warning(
+                        f"Skipping invalid {type_class.__name__} node: missing required 'name' field. "
+                        f"Input data: {input_default}"
+                    )
+                    continue
+                schema_fields.append(constructed_obj)
             except Exception as e:
                 logger.error(f"Invalid {type_class}: {input_default}, {e}")