feat: add web search support for Anthropic models

.github/workflows/claude-code-review.yml

@@ -38,6 +38,7 @@ jobs:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
           plugins: 'code-review@claude-code-plugins'
+          model: claude-opus-4-6
           prompt: '/code-review:code-review ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'
           # See https://github.com/anthropics/claude-code-action/blob/main/docs/usage.md
           # or https://code.claude.com/docs/en/cli-reference for available options

src/celeste/modalities/text/providers/anthropic/models.py

@@ -1,6 +1,6 @@
 """Anthropic models for text modality."""
 
-from celeste.constraints import ImagesConstraint, Range, Schema
+from celeste.constraints import Bool, ImagesConstraint, Range, Schema
 from celeste.core import Modality, Operation, Parameter, Provider
 from celeste.models import Model
 
@@ -17,6 +17,7 @@
             Parameter.MAX_TOKENS: Range(min=1, max=64000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=64000),
             TextParameter.OUTPUT_SCHEMA: Schema(),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),
@@ -30,6 +31,7 @@
             Parameter.MAX_TOKENS: Range(min=1, max=64000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=32000),
             TextParameter.OUTPUT_SCHEMA: Schema(),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),
@@ -43,6 +45,7 @@
             Parameter.MAX_TOKENS: Range(min=1, max=32000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=32000),
             TextParameter.OUTPUT_SCHEMA: Schema(),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),
@@ -56,6 +59,7 @@
             Parameter.MAX_TOKENS: Range(min=1, max=64000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=32000),
             TextParameter.OUTPUT_SCHEMA: Schema(),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),
@@ -69,6 +73,7 @@
             Parameter.MAX_TOKENS: Range(min=1, max=64000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=32000),
             TextParameter.OUTPUT_SCHEMA: Schema(),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),
@@ -81,6 +86,7 @@
         parameter_constraints={
             Parameter.MAX_TOKENS: Range(min=1, max=64000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=64000),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),
@@ -93,6 +99,7 @@
         parameter_constraints={
             Parameter.MAX_TOKENS: Range(min=1, max=32000),
             TextParameter.THINKING_BUDGET: Range(min=-1, max=32000),
+            TextParameter.WEB_SEARCH: Bool(),
             TextParameter.IMAGE: ImagesConstraint(),
         },
     ),

src/celeste/modalities/text/providers/anthropic/parameters.py

@@ -16,6 +16,9 @@
 from celeste.providers.anthropic.messages.parameters import (
     ThinkingMapper as _ThinkingMapper,
 )
+from celeste.providers.anthropic.messages.parameters import (
+    WebSearchMapper as _WebSearchMapper,
+)
 
 from ...parameters import TextParameter
 
@@ -63,11 +66,18 @@ class OutputSchemaMapper(_OutputFormatMapper):
     name = TextParameter.OUTPUT_SCHEMA
 
 
+class WebSearchMapper(_WebSearchMapper):
+    """Map web_search to Anthropic's tools parameter."""
+
+    name = TextParameter.WEB_SEARCH
+
+
 ANTHROPIC_PARAMETER_MAPPERS: list[ParameterMapper] = [
     TemperatureMapper(),
     MaxTokensMapper(),
     ThinkingBudgetMapper(),
     OutputSchemaMapper(),
+    WebSearchMapper(),
 ]
 
 __all__ = ["ANTHROPIC_PARAMETER_MAPPERS"]