feat(backend/blocks): Add claude opus 4.5 (#11446)

This PR adds the latest [claude opus
4.5](https://www.anthropic.com/news/claude-opus-4-5) model to the
platform

### 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] Test and use the llm to make sure it works

Author: Bentlybro

autogpt_platform/backend/backend/blocks/llm.py

@@ -106,6 +106,7 @@ class LlmModel(str, Enum, metaclass=LlmModelMeta):
     CLAUDE_4_1_OPUS = "claude-opus-4-1-20250805"
     CLAUDE_4_OPUS = "claude-opus-4-20250514"
     CLAUDE_4_SONNET = "claude-sonnet-4-20250514"
+    CLAUDE_4_5_OPUS = "claude-opus-4-5-20251101"
     CLAUDE_4_5_SONNET = "claude-sonnet-4-5-20250929"
     CLAUDE_4_5_HAIKU = "claude-haiku-4-5-20251001"
     CLAUDE_3_7_SONNET = "claude-3-7-sonnet-20250219"
@@ -216,6 +217,9 @@ def max_output_tokens(self) -> int | None:
     LlmModel.CLAUDE_4_SONNET: ModelMetadata(
         "anthropic", 200000, 64000
     ),  # claude-4-sonnet-20250514
+    LlmModel.CLAUDE_4_5_OPUS: ModelMetadata(
+        "anthropic", 200000, 64000
+    ),  # claude-opus-4-5-20251101
     LlmModel.CLAUDE_4_5_SONNET: ModelMetadata(
         "anthropic", 200000, 64000
     ),  # claude-sonnet-4-5-20250929

autogpt_platform/backend/backend/data/block_cost_config.py

@@ -76,6 +76,7 @@
     LlmModel.CLAUDE_4_OPUS: 21,
     LlmModel.CLAUDE_4_SONNET: 5,
     LlmModel.CLAUDE_4_5_HAIKU: 4,
+    LlmModel.CLAUDE_4_5_OPUS: 14,
     LlmModel.CLAUDE_4_5_SONNET: 9,
     LlmModel.CLAUDE_3_7_SONNET: 5,
     LlmModel.CLAUDE_3_HAIKU: 1,