style
The typography rule every prompt in this plugin shares.
Three prompts tell a model how to render text - the agent style block (agents.DEFAULT_STYLE_INSTRUCTIONS), the summarizer, and the thread titler - and they have to AGREE, because a summary or a thread title sits beside agent prose in the same UI. Stated three times they drifted: one said “never em dashes or en dashes”, another only “no em dashes”. Keep the rule here so a change reaches every prompt.
Em dashes and emojis are the two most recognizable LLM tells, and an em dash additionally breaks the repo’s own prose style, so they are called out rather than left to the model’s defaults.