chore: update LICENSE

[marcklingen]

Improve attribution by adding sentence to clarify that portions of this project are derived from posthog/posthog-js-lite.

---

Important

Update LICENSE to clarify code derivation from posthog/posthog-js-lite and update copyright holder.

• License Update:
  • Adds a sentence to LICENSE clarifying that portions of the codebase are derived from posthog/posthog-js-lite by PostHog.
  • Updates copyright holder to Langfuse GmbH for 2023-2026.

^{This description was created by for 9a5078f. You can customize this summary. It will automatically update as commits are pushed.}

Disclaimer: Experimental PR review

Greptile Summary

This PR improves the LICENSE file by adding explicit MIT License identification and a clear attribution statement for code derived from posthog/posthog-js-lite. The copyright holder has been updated from "Finto Technologies GmbH" to "Langfuse GmbH" with an extended date range of 2023-2026.

• Added "MIT License" header for clarity
• Added attribution sentence for PostHog-derived code
• Updated copyright holder to Langfuse GmbH
• Extended copyright years to 2023-2026
• Retained PostHog copyright notice

Confidence Score: 5/5

• This PR is safe to merge with no risk - it only improves legal attribution
• This is a documentation-only change to the LICENSE file that improves legal clarity and attribution without affecting any code functionality
• No files require special attention

Important Files Changed

Filename	Overview
LICENSE	Updated LICENSE to clarify MIT license and add attribution for PostHog-derived code, updated copyright to Langfuse GmbH 2023-2026

Sequence Diagram

sequenceDiagram
    participant Author as PR Author
    participant LICENSE as LICENSE File
    participant Repo as Repository
    
    Author->>LICENSE: Add "MIT License" header
    Author->>LICENSE: Add attribution statement for PostHog
    Author->>LICENSE: Update copyright: Finto Technologies → Langfuse GmbH
    Author->>LICENSE: Update copyright years: 2023 → 2023-2026
    LICENSE->>Repo: Improved legal clarity and attribution
    Repo->>Repo: Maintains dual copyright notices

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Project	Deployment	Review	Updated (UTC)
langfuse-js	Ready	Preview	Jan 3, 2026 11:12am

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