Class: CoachZed::PromptBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/coach_zed/prompt_builder.rb

Instance Method Summary collapse

Constructor Details

#initialize(consultation_prompt:, catalog:, start_date:, schedule_key:, generation_days:, existing_feed_context: nil) ⇒ PromptBuilder

Returns a new instance of PromptBuilder.



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# File 'lib/coach_zed/prompt_builder.rb', line 8

def initialize(consultation_prompt:, catalog:, start_date:, schedule_key:, generation_days:, existing_feed_context: nil)
  @consultation_prompt = consultation_prompt
  @catalog = catalog
  @start_date = start_date
  @schedule_key = schedule_key
  @generation_days = generation_days
  @existing_feed_context = existing_feed_context
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/coach_zed/prompt_builder.rb', line 17

def build
  <<~PROMPT
    You are a training coach. Build a daily training schedule for the athlete using only the provided catalog.
    CoachZed manages the scheduling contract, so follow the rules below without requiring the end user to restate them.

    Return strict JSON only. Do not wrap it in markdown fences or commentary.
    Every string value must be valid JSON text on a single line. Do not emit literal newlines, tabs, or other control characters inside string values.

    Required JSON Schema:
    #{JSON.pretty_generate(CoachZed::ScheduleSchema.to_h)}

    Rules:
    - Produce exactly #{generation_days} entries for the requested time period.
    - Set `program_length_days` to exactly #{generation_days}.
    - Keep `program_length_days` equal to the number of entries in `days`.
    - Include rest days when appropriate.
    - Use only workouts that exist in the catalog.
    - Match the athlete's goals and the requested time period.
    - If existing feed context is provided, continue from the end of the prior feed and avoid changing earlier weeks.
    - Keep the JSON valid and complete.

    Schedule metadata:
    - Start date: #{@start_date.iso8601}
    - Schedule key: #{@schedule_key}

    Athlete consultation prompt:
    #{@consultation_prompt}

    Existing feed context (most recent weeks, if available):
    #{existing_feed_context || "none"}

    Catalog:
    #{JSON.pretty_generate(catalog.map(&:to_h))}
  PROMPT
end