fix(types): replace any types with proper TypeScript interfaces in AIConfigPopup

[Satvik77777]

Summary

Replaces all any type usages in AIConfigPopup.tsx with
proper TypeScript interfaces for better type safety.

Problem

AIConfigPopup.tsx had 7 instances of any type:

• 6 instances in API response model mappings
• 1 instance in catch block (err: any)

Using any defeats the purpose of TypeScript — it disables
type checking and hides potential bugs.

Solution

Added 4 proper TypeScript interfaces:

interface OpenAIModel { id: string; }

interface ProviderModel { id?: string; name?: string; model?: string; }

interface OpenAIModelsResponse { data?: OpenAIModel[]; }

interface ProviderModelsResponse { models?: ProviderModel[]; }

Also:

• Replaced catch (err: any) with catch (err: unknown)
  and added proper instanceof Error check
• Replaced repeated localStorage.removeItem() calls
  with array loop in handleReset

Files Changed

• src/components/AIConfigPopup.tsx

Testing

• All 75 unit tests pass
• No functional changes

Screenshots or Video

No UI changes — type safety improvement only.

Related Issues

• Improves TypeScript strictness across the codebase

Author Checklist

• Ensure you provide a DCO sign-off
• Vital features and changes captured in unit and/or integration tests
• Commits messages follow AP format
• Extend the documentation, if necessary
• Merging to main from fork:branchname

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[github-actions]

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