Add dynamic headers for AI requests

[sam-lippert]

Summary

• make AI request helper headers configurable via referer and title
• expose AI_REFERER and AI_TITLE environment variables

Testing

• pnpm test:unit (fails: ConnectTimeoutError)

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Name	Status	Preview	Comments	Updated (UTC)
ai	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 28, 2025 3:06pm

[github-actions]

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[Copilot]

Pull Request Overview

This PR makes AI request helper headers configurable by allowing dynamic overrides via settings and corresponding environment variables. The changes expose AI_REFERER and AI_TITLE as environment variables and update three AI generation modules accordingly.

• Made header values configurable via settings and environment variables in generateText, generateObjectArray, and generateObject.
• Updated .env.example to include new environment variable placeholders.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
tasks/ai/generateText.ts	Replaces hardcoded header values with dynamic header extraction.
tasks/ai/generateObjectArray.ts	Updates header configuration to leverage dynamic settings.
tasks/ai/generateObject.ts	Implements similar dynamic header configuration logic.
.env.example	Adds AI_REFERER and AI_TITLE for environment configuration.

Comments suppressed due to low confidence (3)

tasks/ai/generateText.ts:40

• Please add unit tests to verify that the dynamic header logic works correctly when both settings and environment variables are provided or omitted.

const referer = settings?.referer || process.env.AI_REFERER

tasks/ai/generateObjectArray.ts:61

• Please add tests to ensure that the dynamic header fallback for both referer and title behaves as expected in various configurations.

const referer = settings?.referer || process.env.AI_REFERER

tasks/ai/generateObject.ts:66

• Consider adding unit tests to validate that the dynamic header values are correctly applied from settings and environment variables in all scenarios.

const referer = settings?.referer || process.env.AI_REFERER