feat: upgrade LendaSwap SDK to v0.2.25

[tiero]

Motivation

• Bring the workspace up to date with the LendaSwap SDK v0.2.25 which provides the new generic Arkade/EVM swap APIs, Permit2 coordinator funding calldata, and richer token metadata.
• Update CLI/web flows and the LendaSwap skill to correctly interoperate with the new SDK shapes and behaviors (token discovery, quote/pairs, funding calldata).

Description

• Upgrade dependency: bump @lendasat/lendaswap-sdk-pure to ^0.2.25 in cli, skills, and web, and refresh pnpm-lock.yaml.
• Skill migration: rewrite the LendaSwap skill to use the new SDK generic endpoints (createEvmToArkadeSwapGeneric, createArkadeToEvmSwapGeneric), add token discovery/lookup, normalize amounts and response fields, and adapt status/field mappings and fee calculations.
• CLI changes: convert human-friendly stablecoin amounts to smallest token units via parseStablecoinAmount (uses SDK toSmallestUnit) before creating swaps and wire the new SDK token IDs.
• Web changes: support SDK token objects, normalize them back to legacy token IDs for UI, derive Permit2 funding calldata via getCoordinatorFundingCallDataPermit2, use Permit2 as the allowance spender, and create generic EVM→Arkade swaps when needed.
• Infrastructure and compat: switch external API proxy from apilendaswap.lendasat.com to api.lendaswap.com, add the events dependency and Vite alias for browser builds required by the upgraded dependency tree, and update various type/adaptor helpers.

Testing

• Ran full typecheck with pnpm typecheck across workspaces, which completed successfully.
• Built the web app with pnpm build:web and fixed browser export/alias issues so the production build completed (note: large bundle warning only).
• Ran unit & e2e test suite with pnpm test (Vitest), and all tests passed (121 tests, 5 files in this run).

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Codex Task

[cloudflare-workers-and-pages]

Deploying claw-cash-landing-page with    Cloudflare Pages

Latest commit:	81c4eab
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Branch Preview URL:	https://codex-open-pr-to-upgrade-len.claw-cash-landing-page.pages.dev

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