High School Musical: The Musical: The Series: Season 4

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "High School Musical: The Musical: The Series" Season 4.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown. No asterisks. No headings. No bullet points in the text (except the array in JSON). Output valid JSON only.
Goal: Factual, neutral, encyclopedic prose.
Synopsis: After an epic summer at Camp Shallow Lake, the Wildcats return to East High. They prepare a stage production of "High School Musical 3: Senior Year." Plans are disrupted when Principal Gutierrez announces Disney is making "High School Musical 4: The Reunion" movie on location at East High.
Source [1]: General info, no season 4 specifics.
Source [2]: Cast/crew credits, no season 4 specifics.
Source [3]: Premiere info, no season 4 specifics.
Source [4]: Mentions Liamani Segura, no season 4 specifics.
Source [5]: General series overview (first production of "High School Musical"), no season 4 specifics.
Overview:
The Wildcats return to East High following an epic summer spent at Camp Shallow Lake. Upon their return, the group begins preparations for a new stage production titled High School Musical 3: Senior Year. However, the group's plans face significant disruption due to an unexpected announcement from Principal Gutierrez. The principal reveals that Disney has decided to produce the long-awaited film High School Musical 4: The Reunion. This production is scheduled to take place on location at East High. This development introduces new challenges for the students as they navigate the intersection of their school theater production and the professional filming of a major Disney movie at their high school. (112 words) - Wait, the word count requirement is 160-220 words.
Refining Overview to meet 160-220 words:
I need to expand the overview using only the provided text.
The provided text is: "After an epic summer at Camp Shallow Lake, the Wildcats return to East High where they prepare a stage production of 'High School Musical 3: Senior Year.' However, plans are disrupted when Principal Gutierrez announces that Disney has decided to make the long-awaited 'High School Musical 4: The Reunion' movie on location at their beloved high school."

Problem: The source text is very short. It is impossible to