From your question to a cited answer.

A retrieval-augmented pipeline over a saved copy of 36 ISSO pages. The model only sees the passages retrieval hands it, and must cite one of them.

1. POST /chat

   Your question

   Trimmed and capped at 1,000 characters. Each visitor gets 5 questions a minute and 50 a day.

2. embed_query()

   Embed

   The question becomes a 768-number vector with gemini-embedding-001, the same model that embedded the pages.

3. retrieve()

   Retrieve

   Cosine similarity against the passages cut from those pages. The corpus holds 595, for students and scholars; this assistant searches the 393 for students. The closest 3 go forward.

4. answer()

   Generate

   gemini-3.1-flash-lite answers using only those 3 passages, and says so when they don’t cover the question.

5. More info

   Cite

   The answer ends with the heading and link of the passage it used, copied from the source, never invented.