conductor(track): Initialize testing consolidation track and add execution order

conductor/tracks/testing_consolidation_20260302/spec.md

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+# Track Specification: Testing & Simulation Consolidation
+
+## Overview
+Currently, the codebase has redundant testing paradigms. Some tests (`tests/visual_sim_gui_ux.py`) properly use the `live_gui` fixture managed by `pytest` in `conftest.py`. However, other visual verification scripts (like `tests/visual_mma_verification.py` and potentially files in `simulation/`) reinvent the wheel by manually opening subprocesses with `subprocess.Popen` to launch the GUI. This fragmentation causes tech debt and test flakiness.
+
+## Current State Audit
+1. **Redundant Subprocess Launching**: `tests/visual_mma_verification.py` manually spawns `gui_2.py` via `subprocess.Popen` instead of using the `conftest.py` `live_gui` fixture.
+2. **Simulation Redundancy**: The `simulation/` directory contains `sim_base.py`, `workflow_sim.py`, etc., that also use `ApiHookClient` but may be reinventing pytest workflows outside of the standard test runner.
+
+## Desired State
+- All "visual" or "integration" testing scripts that interact with the live GUI via `ApiHookClient` MUST use the `live_gui` pytest fixture and be executed via `pytest`.
+- Any standalone scripts in `tests/` that manually spawn `subprocess.Popen` for `gui_2.py` must be rewritten as standard pytest functions taking the `live_gui` argument.
+
+## Technical Constraints
+- No tests should manually spawn `gui_2.py`. They must rely on `conftest.py`.
+- Keep testing framework unified strictly under `pytest`.