Meta: Web Client / SDK for v0.15

[Dominik1999]

Web Client / SDK for v0.15

Tracking issue for web client and SDK work in the v0.15 release.

Existing issues

• Further isolate WebClient #1234 - Further isolate WebClient (blocked)
• Add node.js support to the web client #1667 - Add Node.js support to the web client (PR feat(WebClient): add Node.js support #1908)
• Decouple rpc sync state and fetch notes from NTL for client.syncState #1930 - Decouple rpc sync state and fetch notes from NTL for client.syncState
• Retrieve account items individually in web-client #1746 - Retrieve account items individually in web-client
• Bug: send({ returnNote: true }) broken: OutputNoteArray vs NoteArray type mismatch #2011 - Bug: send({ returnNote: true }) broken: OutputNoteArray vs NoteArray type mismatch

DevEx & improvements

• Web SDK: DevEx improvements for contracts #2024 - DevEx improvements for contracts (simplify API, MASP artifacts, error handling, perf metrics)
• Web SDK: Improve error handling and error display #2025 - Improve error handling and error display
• Web SDK: Documentation improvements #2026 - Documentation improvements (React SDK discoverability, WASM error guide)
• Web SDK: Agentic experience #2027 - Agentic experience (agent discoverability, MCP server)
• Web SDK: Feature parity with Rust client #2028 - Feature parity with Rust client (block headers, nullifiers, raw RPC)
• Web SDK: gRPC-web proxy for local installs #2029 - gRPC-web proxy for local installs
• Web SDK: Quality of life improvements #2030 - Quality of life (remove TLA, heartbeat, sync progress, Sentry/OTel)

Related PRs

• refactor: split web/WASM components into web-sdk repo #1992 - Split web/WASM components into web-sdk repo
• feat(web-client): add StorageView JS wrapper for developer-friendly storage access #1955 - StorageView JS wrapper
• fix(web-client): classic Worker + TLA-free WASM glue for Safari/WKWebView #2010 - Classic Worker + TLA-free WASM glue for Safari/WKWebView