PtcRunner.Prompts (PtcRunner v0.7.0)

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Centralized prompt loading for PtcRunner.

All prompt templates are loaded from priv/prompts/ at compile time and exposed through this module. Changes to prompt files trigger recompilation.

Prompt Files

FileFunctionUsed By
lisp-base.mdlisp_base/0LanguageSpec
lisp-addon-single_shot.mdlisp_addon_single_shot/0LanguageSpec
lisp-addon-multi_turn.mdlisp_addon_multi_turn/0LanguageSpec
json-system.mdjson_system/0JsonMode
json-user.mdjson_user/0JsonMode
json-error.mdjson_error/0JsonMode
must_return_warning.mdmust_return_warning/0TurnFeedback
retry_feedback.mdretry_feedback/0TurnFeedback
planning-examples.mdplanning_examples/0MetaPlanner
verification-predicate-guide.mdverification_guide/0MetaPlanner
verification-predicate-reminder.mdverification_reminder/0MetaPlanner

File Format

Prompt files use HTML comment markers to separate metadata from content:

# Title
Description for maintainers.

<!-- version: 1 -->
<!-- date: 2026-01-01 -->

<!-- PTC_PROMPT_START -->
Actual prompt content here.
<!-- PTC_PROMPT_END -->

Content between PTC_PROMPT_START and PTC_PROMPT_END markers is extracted. If no markers exist, the entire file (trimmed) is used.

Mustache Templates

Some prompts use Mustache templating (e.g., must_return_warning.md):

  • {{variable}} - Simple substitution
  • {{#section}}...{{/section}} - Conditional/iteration
  • {{^section}}...{{/section}} - Inverted (if falsy)

See PtcRunner.Mustache for expansion.

Adding New Prompts

  1. Create priv/prompts/my-prompt.md with markers
  2. Add to this module:
    • @my_prompt_file path
    • @external_resource @my_prompt_file
    • @my_prompt loaded content
    • def my_prompt, do: @my_prompt
  3. Document in the table above

Summary

Functions

get(arg1)

Get a prompt by key.

json_error()

JSON mode error feedback template (Mustache).

json_system()

JSON mode system prompt.

json_user()

JSON mode user message template (Mustache).

lisp_addon_multi_turn()

Multi-turn mode addon (memory, return/fail, println).

lisp_addon_multi_turn_with_header()

Raw header + content for lisp-addon-multi_turn.md.

lisp_addon_single_shot()

Single-shot mode addon (no memory, no return/fail).

lisp_addon_single_shot_with_header()

Raw header + content for lisp-addon-single_shot.md.

lisp_base()

Core PTC-Lisp language reference (always included).

lisp_base_with_header()

Raw header + content for lisp-base.md (for metadata parsing).

list()

List all available prompt keys.

must_return_warning()

Final work turn warning template (Mustache).

planning_examples()

Example plan structure for MetaPlanner.

retry_feedback()

Retry phase feedback template (Mustache).

signature_guide()

Guide for writing task signatures.

verification_guide()

Comprehensive guide for writing verification predicates.

verification_reminder()

Quick reference reminder for verification predicates.

Functions

get(arg1)

@spec get(atom()) :: String.t() | nil

Get a prompt by key.

Examples

iex> prompt = PtcRunner.Prompts.get(:lisp_base)
iex> String.contains?(prompt, "PTC-Lisp")
true

iex> PtcRunner.Prompts.get(:unknown)
nil

json_error()

@spec json_error() :: String.t()

JSON mode error feedback template (Mustache).

json_system()

@spec json_system() :: String.t()

JSON mode system prompt.

json_user()

@spec json_user() :: String.t()

JSON mode user message template (Mustache).

lisp_addon_multi_turn()

@spec lisp_addon_multi_turn() :: String.t()

Multi-turn mode addon (memory, return/fail, println).

lisp_addon_multi_turn_with_header()

@spec lisp_addon_multi_turn_with_header() :: {String.t(), String.t()}

Raw header + content for lisp-addon-multi_turn.md.

lisp_addon_single_shot()

@spec lisp_addon_single_shot() :: String.t()

Single-shot mode addon (no memory, no return/fail).

lisp_addon_single_shot_with_header()

@spec lisp_addon_single_shot_with_header() :: {String.t(), String.t()}

Raw header + content for lisp-addon-single_shot.md.

lisp_base()

@spec lisp_base() :: String.t()

Core PTC-Lisp language reference (always included).

lisp_base_with_header()

@spec lisp_base_with_header() :: {String.t(), String.t()}

Raw header + content for lisp-base.md (for metadata parsing).

list()

@spec list() :: [atom()]

List all available prompt keys.

Examples

iex> keys = PtcRunner.Prompts.list()
iex> :lisp_base in keys
true

must_return_warning()

@spec must_return_warning() :: String.t()

Final work turn warning template (Mustache).

Variables: has_retries (bool), retry_count (int).

planning_examples()

@spec planning_examples() :: String.t()

Example plan structure for MetaPlanner.

retry_feedback()

@spec retry_feedback() :: String.t()

Retry phase feedback template (Mustache).

Variables: is_final_retry, current_retry, total_retries, retries_remaining, next_turn.

signature_guide()

@spec signature_guide() :: String.t()

Guide for writing task signatures.

verification_guide()

@spec verification_guide() :: String.t()

Comprehensive guide for writing verification predicates.

verification_reminder()

@spec verification_reminder() :: String.t()

Quick reference reminder for verification predicates.