=== META ===
{
  "id": "GTPX-DRY-RUN-MODEL",
  "title": "GTPX Dry Run Model",
  "version": "0.1.0",
  "status": "draft",
  "updated": "2026-04-25",
  "authority": "09_runtime/GTPX-DRY-RUN-MODEL.gtpx",
  "type": "runtime_dry_run",
  "project": "GTPX",
  "depends_on": [
    "09_runtime/GTPX-RUNTIME-MODEL.gtpx",
    "08_agents/GTPX-AGENT-MODEL.gtpx"
  ]
}

=== DATA ===
{
  "purpose": "Defines how execution can be simulated without committing changes.",

  "dry_run_definition": "Dry run is a controlled execution mode where the system simulates processing and produces an output without applying any changes.",

  "dry_run_policy": {
    "dry_run_must_not_commit": true,
    "dry_run_must_follow_full_validation": true,
    "dry_run_must_produce_full_response": true,
    "dry_run_must_be_explicitly_declared": true
  },

  "dry_run_behavior": [
    "execute_full_flow_without_commit",
    "simulate_agent_processing",
    "generate_expected_output",
    "report_potential_changes",
    "report_risks"
  ],

  "dry_run_outputs": [
    "simulated_result",
    "identified_risks",
    "proposed_actions",
    "impact_estimation"
  ],

  "dry_run_constraints": [
    "must_not_modify_state",
    "must_not_write_data",
    "must_not_trigger_external_actions",
    "must_be_indistinguishable_from_real_execution_except_commit"
  ]
}

=== RULES ===
{
  "dry_run_mode_must_be_declared": true,
  "dry_run_must_follow_runtime_flow": true,
  "dry_run_must_not_bypass_validation": true,
  "dry_run_output_must_follow_response_model": true,
  "dry_run_must_be_traceable": true
}

=== STATUS ===
{
  "state": "draft",
  "open_questions": [
    "Confirm how dry_run is activated (contract vs request flag).",
    "Confirm if dry_run must always include impact estimation."
  ],
  "next_step": "Create and populate 09_runtime/GTPX-PATCH-MODEL.gtpx."
}