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 7

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 16

def build
  <<~PROMPT
    You are a training coach. Build a daily training schedule for the athlete using only the provided catalog.

    Return JSON only. Do not wrap it in markdown fences or commentary.

    Required schema:
    {
      "program_name": string,
      "program_length_days": integer,
      "days": [
        {
          "day_number": integer,
          "day_type": "workout" or "rest",
          "workout": {
            "title": string,
            "catalog_path": string,
            "domain": string,
            "session_duration": string
          } or null,
          "notes": string
        }
      ]
    }

    Rules:
    - Produce exactly #{generation_days} entries for the requested time period.
    - 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