Feat/mantle chainid

[foodaka]

General Changes

• Fixes XYZ bug
• Adds XYZ feature
• …

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Project	Deployment	Review	Updated (UTC)
interface	Ready	Preview, Comment	Jan 25, 2026 9:20pm

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Use valid Alchemy key or handle full RPC URL

When MANTLE_RPC_API_KEY is unset, this falls back to the full https://rpc.mantle.xyz URL, but getRpcUrl always interpolates the value into an Alchemy URL (https://mantle-mainnet.g.alchemy.com/v2/${apiKey}). That produces an invalid endpoint like https://mantle-mainnet.g.alchemy.com/v2/https://rpc.mantle.xyz, so mantle RPC calls will fail in any environment without the env var set. If Mantle should use a non‑Alchemy RPC, getRpcUrl needs to accept full URLs or NETWORK_CONFIG should store a rpcUrl instead of an apiKey for this chain.

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[github-actions]

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[github-actions]

📦 Next.js Bundle Analysis for aave-ui

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This PR introduced no changes to the JavaScript bundle! 🙌