feat(data-sources): add native Jam MCP provider

[siisee11]

One-Line Summary

Velen-compatible consumers can connect Jam as a native data source and analyze recordings, transcripts, console logs, network requests, metadata, and user events through Jam MCP.

User-Facing Changes

• Adds Jam to the native provider registry with provider icons for shared UI and the public provider catalog.
• Accepts Jam personal access tokens and validates connections against the official Jam MCP endpoint.
• Exposes approved read-only Jam MCP tools through Source API, including recording analysis, transcripts, logs, network requests, events, metadata, and workspace listings.
• Excludes comment creation, Jam updates, and binary screenshot retrieval.

Why This Changed

Jam recordings previously had no native provider contract, credential schema, connection test, or Source API adapter. Velen therefore could not discover Jam capabilities or safely execute recording and log analysis through its normal data-source workflow.

How It Changed

• Registers jam as a connectable, testable, analysis-enabled Source API provider.
• Adds a typed JamCredentials schema for workspace personal access tokens.
• Adds a Streamable HTTP MCP client for https://mcp.jam.dev/mcp with bearer authentication, timeout handling, and credential-safe errors.
• Discovers the server tool schemas dynamically while filtering them through a fixed read-only allowlist.
• Maps structured Source API field patches to MCP tool arguments and normalizes MCP responses as JSON.
• Adds connection, credential, registry, adapter, shared provider-icon, and landing-icon coverage.

Extra Context / Decisions (Optional)

The adapter deliberately omits write tools and getScreenshot. Screenshot results are binary and do not fit the current Source API agent serialization path.

Verification

• bun run format
• bun run typecheck in packages/db, packages/server, packages/ui, and apps/landing
• bunx vitest run src/credentials.test.ts src/jam-credentials.test.ts src/schema/data-sources.test.ts in packages/db (220 tests)
• bunx vitest run src/source-api/adapters/jam.test.ts src/services/testers/jam-tester.test.ts src/source-api/registry.test.ts in packages/server
• bunx vitest run src/data-sources/provider-icons.test.tsx in packages/ui
• bunx vitest run src/shared/icons/brands.test.tsx in apps/landing

Video / Screenshot (Optional)

• N/A

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	onequery-landing	d774c41	Commit Preview URL Branch Preview URL	Jul 21 2026, 02:22 AM