feat(byok): add Alibaba Token Plan provider

[chrarnoldus]

Summary

• Add Alibaba Token Plan as a direct BYOK provider using its OpenAI-compatible Singapore endpoint.
• Sync Alibaba's model catalog from models.dev, with Qwen3.7 Plus metadata as the resilient fallback.
• Exclude non-text-output models from models.dev-backed chat catalogs so image-generation models are not advertised as chat models.

Verification

• Not manually tested because an Alibaba Token Plan API key is not available in this environment.

Visual Changes

N/A

Reviewer Notes

The provider follows the existing Xiaomi Token Plan direct-BYOK pattern. Runtime model metadata comes from the alibaba-token-plan entry in models.dev.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (2 files)

• apps/web/src/lib/ai-gateway/providers/direct-byok/direct-byok-meta.ts
• apps/web/src/lib/notifications.ts

Previous Review Summary (commit 1b78998)

Current summary above is authoritative. Previous snapshots are kept for context only.

Previous review (commit 1b78998)

Status: 1 Issue Found | Recommendation: Address before merge

Fix these issues in Kilo Cloud

Overview

Severity	Count
CRITICAL	0
WARNING	1
SUGGESTION	0

Issue Details (click to expand)

WARNING

File	Line	Issue
apps/web/src/lib/notifications.ts	344	Alibaba BYOK notification mapping only matches the new direct-plan ID, so existing Alibaba users will not receive the rollout notification.

Files Reviewed (7 files)

• apps/web/src/lib/ai-gateway/providers/direct-byok/alibaba-token-plan.ts - 0 issues
• apps/web/src/lib/ai-gateway/providers/direct-byok/direct-byok-definitions.ts - 0 issues
• apps/web/src/lib/ai-gateway/providers/direct-byok/direct-byok-meta.ts - 0 issues
• apps/web/src/lib/ai-gateway/providers/direct-byok/sync-direct-byok.test.ts - 0 issues
• apps/web/src/lib/ai-gateway/providers/direct-byok/sync-direct-byok.ts - 0 issues
• apps/web/src/lib/ai-gateway/providers/openrouter/inference-provider-id.ts - 0 issues
• apps/web/src/lib/notifications.ts - 1 issue

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_{Review guidance: REVIEW.md from base branch main}