feat(data-analytics): add stitch-data Stitch Connect connector

[andrei-hasna]

Summary

Adds @hasna/connect-stitch-data, a first-class open-connectors package for Stitch built on the public Stitch Connect API (v4). Rebuilt from upstream API docs and existing open-connectors patterns — no platform-alumia code copied.

What's included

• API client (src/api/client.ts): Bearer auth, URL/query building, JSON parsing, retry-with-backoff on 429 and 5xx, StitchApiError.
• Resource modules: sources (list/get/create/update/delete/pause/unpause/connection-check), destinations, source & destination type catalogs, streams, replication jobs (sync start/stop), and extraction/load reporting (paginated).
• CLI (src/cli/index.ts): Commander with --api-key/--client-id/--base-url/--format/--verbose/--profile, multi-profile credential storage.
• Types & utils, placeholder-only .env.example, README.md, CLAUDE.md.
• Registry: new stitch-data entry under Data & Analytics.
• Test: src/api/client.test.ts (URL build, Bearer header, JSON parse, 204, 429/5xx retry, error handling).

Validation

• bun run typecheck ✅
• bun run build ✅
• bun test (connector) ✅ 14 pass
• Live wiring check against api.stitchdata.com returns a parsed 401 Not Authorized with a bad token, confirming end-to-end request/auth/error handling.
• Guards: no secrets, no internal/platform-alumia references, no browser-use dependency, .env.example placeholders only.

🤖 Generated with Claude Code

[andrei-hasna]

Worker update for routed merge-review task dafbc379-0f36-44d9-95fd-6b70e6dfb59e.

Updated PR head to linear commit 842d7d4a5284cb80333827f2e982c1687907014e on top of current main and kept the PR diff scoped to connectors/stitch-data/** plus src/lib/connectors/data-analytics.ts.

Fixes applied after adversarial review:

• Corrected Stitch stream metadata update typing/payload shape and added a regression test.
• Stored Stitch profile credentials/current-profile marker with owner-only file and directory modes.
• Centralized access-token masking so short tokens are fully hidden.
• Added the required ${NPM_TOKEN} npm auth placeholder.
• Updated connector build to emit dist/index.d.ts.

Validation:

• GitHub CI build passed on 842d7d4a.
• Local root typecheck passed.
• Local root build passed.
• Local full test suite passed: 2025 tests, 0 failures with writable HOME=/tmp/open-connectors-test-home.
• gitleaks git --log-opts origin/main..HEAD --redact --no-banner --verbose passed: no leaks found.

Merge blocker: latest GitHub reviews are still empty, so this PR still needs a non-author approval before merge. Attempted to request selected reviewer kriptoburak, but GitHub returned HTTP 422 because that user is not a collaborator on hasna/connectors.