feat(core): add o4-mini model (#12175)

Close [AI-85](https://linear.app/affine-design/issue/AI-85)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
	- Enhanced AI chat experience with improved web search integration, including a new "AUTO" mode that allows the AI to search the web only when needed.
	- Updated AI model for chat to "o4-mini" for improved performance.
- **Improvements**
	- Refined instructions to reduce hallucinations and ensure the AI admits uncertainty when unsure.
	- Enhanced streaming responses to display web search queries and results more clearly.
	- Updated web search tool modes for more accurate and flexible search behavior.
	- Centralized AI provider options and improved tool selection logic for better response quality.
- **Bug Fixes**
	- Improved handling of tool calls and reasoning steps in AI chat responses.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

yarn.lock

@@ -893,7 +893,7 @@ __metadata:
     "@affine/server-native": "workspace:*"
     "@ai-sdk/anthropic": "npm:^1.2.10"
     "@ai-sdk/google": "npm:^1.2.10"
-    "@ai-sdk/openai": "npm:^1.3.18"
+    "@ai-sdk/openai": "npm:^1.3.21"
     "@ai-sdk/perplexity": "npm:^1.1.6"
     "@apollo/server": "npm:^4.11.3"
     "@aws-sdk/client-s3": "npm:^3.779.0"
@@ -1080,7 +1080,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ai-sdk/openai@npm:^1.3.18":
+"@ai-sdk/openai@npm:^1.3.21":
   version: 1.3.21
   resolution: "@ai-sdk/openai@npm:1.3.21"
   dependencies: