SL2 | Night Star Source Organizer
Plain-language guide | English | 0.2.3
Currently free of charge

What is it for?
Keep your supplied source, draft, purpose notes and exact quotations together. See changed text and quotation locations, then hand over the complete data to a colleague, editor or reviewer. English and other original languages are preserved without silent translation.

If a source says the deadline has not been announced but a draft adds “October 18,” SL2 can keep both texts, show the literal change and locate the quotations you provide. Finding both sentences does not certify the rewrite. Meaning and reliability need a separate review.

Features and operation
• Use the /sl2/ page on Tianxin or the separate original SL2 ChatGPT plugin.
• The website shows plain Chinese with English directly below; control language can also switch. Supplied text is never translated.
• Select SL2, paste a source and draft, optionally add quotations and a purpose, and choose “Organize and compare.”
• Changing input invalidates the earlier result. Late old responses cannot re-enable downloads; submit the changed text again.
• Quotations bind to the submitted version. The conversation tool can also receive an earlier draft and preserve both versions.
• Download your JSON data package and readable TXT, not the complete tool source code. If the host does not support downloads, copy the complete JSON.
• Give JSON back to SL2 to check internal agreement between text, versions, hashes and quotation positions. Malformed or inconsistent packages are rejected rather than silently repaired.

Sign-in, cost and data
Text processing and package checks require a Sites-provided signed-in identity. ChatGPT/Sites handles installation and sign-in; SL2 collects no separate password. The service is currently free and requires no immediate payment. Availability and usage limits for ChatGPT Free, Pro or other plans remain platform-specific.

Plugin text travels ChatGPT → SL2 cloud Worker → ChatGPT. SL2 makes no additional model calls or external searches, creates no record store, and reads no Drive, Gmail or other user data. No SL2 record store does not mean zero platform retention; ChatGPT and hosting data policies still apply. The contact address is for your own message; the tool sends no email.

Limits
An exact match is not semantic support; no match is not falsity. There is no semantic PASS, legal advice, source-authority decision or product-quality guarantee. Hashes check internal consistency without a digital signature. A completely rewritten and rehashed package may remain consistent. Keep a trusted original or its hash separately for an external comparison.

The computation core stays on the server. The UI displays results and bridges tool calls, without offering complete source-code downloads. This reduces direct source exposure; it does not make reverse engineering impossible or withdraw previously obtained copies.

Current status
The website interface has local desktop, narrow-screen and tablet-size browser tests, including JSON/TXT downloads and JSON validation. Synthetic materials and local sign-in tests do not verify real accounts, strangers, physical phones or installation of the original plugin.

Contact: wingyanshen@gmail.com
mailto:wingyanshen@gmail.com
Name: SL2. Icon: a gold four-point star and three small white stars on deep blue.

Tianxin /sl2/ website: source, draft, purpose and up to 20 quotation pairs. Processing uses same-origin /sl2/mcp to the cloud Worker. Page memory only; no localStorage or SL2 database. Blob JSON/TXT downloads, JSON copy and validation. Positions use UTF-16 units. /sl2/session returns only a sign-in boolean. Sign-in uses top-level /signin-with-chatgpt?return_to=%2Fsl2. The host widget and four tools remain. Real sign-in and physical devices remain unverified.

JSON validation checks only the imported record, not other input fields. Sign in before pasting: sign-in or leaving clears unsaved text. Complete validation requests must fit 2 MiB and the JSON string must not exceed 1,800,000 UTF-16 units. Oversized complete output remains downloadable but cannot be revalidated by this service; it is never truncated or silently repaired.