chore: add global adapter to fix sdk-tools

[anxolin]

Summary

fix sdk tools

After SDK changes to add adapters for web3 libraries, https://sdk-tools.cow.fi became broken:

Before:

After

Test

Test https://sdk-tools-git-fix-sdk-tools-cowswap-dev.vercel.app doesn't get that error

Summary by CodeRabbit

• Chores
  • Initialize a global SDK adapter at application startup to ensure the SDK is ready before UI rendering.
  • Update TypeScript build settings to stop generating declaration files and disable composite project mode, altering build outputs.
  • Add deployment configuration to serve the app as a single-page application and specify build/output steps.

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[vercel]

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Project	Deployment	Review	Updated (UTC)
cowfi	Ready	Preview	Jan 5, 2026 4:35pm
explorer-dev	Ready	Preview	Jan 5, 2026 4:35pm
sdk-tools	Ready	Preview	Jan 5, 2026 4:35pm
swap-dev	Ready	Preview	Jan 5, 2026 4:35pm
widget-configurator	Ready	Preview	Jan 5, 2026 4:35pm

1 Skipped Deployment

Project	Deployment	Review	Updated (UTC)
cosmos	Ignored		Jan 5, 2026 4:35pm

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📥 Commits

Reviewing files that changed from the base of the PR and between 0975d42 and 55c5e82.

📒 Files selected for processing (3)

• apps/sdk-tools/src/main.tsx
• apps/sdk-tools/tsconfig.app.json
• apps/sdk-tools/vercel.json

Walkthrough

Adds module-level initialization that constructs and registers a global CoW SDK adapter (EthersV5Adapter using MAINNET RPC) before React rendering, removes composite/declaration from the app TypeScript config, and adds a Vercel deployment config with a SPA rewrite and build/install/output commands.

Changes

Cohort / File(s)	Summary
CoW SDK Adapter Initialization apps/sdk-tools/src/main.tsx	Adds imports (getRpcProvider, setGlobalAdapter, SupportedChainId, EthersV5Adapter); creates an EthersV5Adapter with the MAINNET RPC provider at module load and calls setGlobalAdapter() before React renders.
TypeScript build config apps/sdk-tools/tsconfig.app.json	Removes composite: true and declaration: true from compilerOptions, disabling composite project mode and declaration file output for this app.
Vercel deployment config apps/sdk-tools/vercel.json	Adds Vercel config: SPA rewrite to index.html, buildCommand (cd ../../ && yarn build:sdk-tools), installCommand (cd ../../ && yarn run install:ci), and outputDirectory (../../build/sdk-tools).

Sequence Diagram(s)

mermaid
sequenceDiagram
autonumber
participant Module as main.tsx (module load)
participant RPC as RPC Provider
participant Adapter as EthersV5Adapter
participant Global as Global SDK State
participant React as React App (Root)

Note over Module,RPC: Module-level init runs before app render
Module->>RPC: getRpcProvider(SupportedChainId.MAINNET)
RPC-->>Module: rpcProvider
Module->>Adapter: new EthersV5Adapter(rpcProvider, chainId)
Adapter-->>Module: adapterInstance
Module->>Global: setGlobalAdapter(adapterInstance)
Global-->>Module: adapter registered
Note over Global,React: Global adapter now available to app
Module->>React: import/execute Root render
React-->>Global: read global adapter (on use)

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Suggested reviewers

• alfetopito
• shoom3301

Poem

🐰 I hopped in early, set the chain,
MAINNET whispers through my vein,
An adapter snug, then off they run,
Root greets code — the job is done,
✨🥕

Pre-merge checks and finishing touches

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description includes a summary with context and screenshots showing the issue, but the testing section is incomplete and lacks detailed verification steps.	Expand the testing section with specific, numbered steps to verify the fix and define what QA should check (e.g., verify no error appears, confirm adapter initializes correctly).

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding a global adapter initialization to fix the sdk-tools application.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

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Actionable comments posted: 1

📜 Review details

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 738fa0e and 44e25b4.

📒 Files selected for processing (1)

• apps/sdk-tools/tsconfig.app.json

🧰 Additional context used

🧠 Learnings (1)

📓 Common learnings

Learnt from: alfetopito
Repo: cowprotocol/cowswap PR: 6234
File: libs/tokens/src/index.ts:1-4
Timestamp: 2025-09-11T08:25:51.460Z
Learning: In the cowprotocol/cowswap project, there is currently no SSR (Server-Side Rendering) support, so localStorage access at module import time does not cause SSR-related issues.

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)

• GitHub Check: Setup
• GitHub Check: Cypress