feat: add Notion connector

[decipher3114]

Pull Request Checklist

Please ensure that your PR meets the following requirements:

• I have read the CONTRIBUTING guide.
• I have updated the documentation (if applicable).
• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

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Description

Summary

This PR adds a new moss-connector-notion package for ingesting Notion pages into Moss.

The connector:

• Uses the official notion-client SDK.
• Recursively fetches nested blocks for each page.
• Handles pagination for both page search results and block children.
• Supports optional search queries and client-side filtering.
• Includes unit tests, integration tests, and documentation.

Fixes

Closes #352, closes #380

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Demo Video

moss-connector-notion-demo.mp4

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Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

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Pull request overview

Adds a new Python package, moss-connector-notion, under packages/moss-data-connector/ to ingest Notion pages into Moss by searching accessible pages, recursively fetching each page’s full block tree, mapping pages to DocumentInfo, and creating a Moss index via ingest().

Changes:

• Introduces NotionConnector (page search + recursive block fetching + pagination) and a standard ingest() helper for pushing docs into a new Moss index.
• Adds unit + integration tests for pagination and recursive block fetching behavior.
• Updates the moss-data-connector docs to list the new Notion connector package.

Reviewed changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
packages/moss-data-connector/README.md	Adds moss-connector-notion to the connector list and table.
packages/moss-data-connector/moss-connector-notion/.gitignore	Adds standard Python package/test ignores for the new connector.
packages/moss-data-connector/moss-connector-notion/README.md	Documents installation, usage, auth, pagination, and testing for the Notion connector.
packages/moss-data-connector/moss-connector-notion/pyproject.toml	Defines the new package metadata, dependencies, and tooling config (pytest/ruff/setuptools).
packages/moss-data-connector/moss-connector-notion/src/init.py	Re-exports NotionConnector and ingest.
packages/moss-data-connector/moss-connector-notion/src/connector.py	Implements the Notion page iterator, search pagination, and recursive block fetching.
packages/moss-data-connector/moss-connector-notion/src/ingest.py	Implements ingest() helper (optionally auto-generating UUID doc IDs).
packages/moss-data-connector/moss-connector-notion/tests/test_notion.py	Adds unit tests for pagination and recursive block fetching.
packages/moss-data-connector/moss-connector-notion/tests/test_notion_integration.py	Adds an env-gated integration test that creates a page, ingests it, queries it, then cleans up.
packages/moss-data-connector/moss-connector-notion/uv.lock	Adds a lockfile capturing resolved dependencies for this package.

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Pull request overview

Copilot reviewed 9 out of 10 changed files in this pull request and generated 4 comments.

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Pull request overview

Copilot reviewed 9 out of 10 changed files in this pull request and generated 4 comments.

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Pull request overview

Copilot reviewed 9 out of 10 changed files in this pull request and generated 2 comments.

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Pull request overview

Copilot reviewed 9 out of 10 changed files in this pull request and generated 3 comments.

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[decipher3114]

@HarshaNalluru I've resolved all the issues mentioned above

[HarshaNalluru]

@decipher3114 thanks for the contribution, can you sign the CLA? #353 (comment)

[decipher3114]

@HarshaNalluru I've signed the CLA