ct-regressionlisted

# /ct-regression — Regression Testing After Code Changes **Primary request**: After a code change, confirm that existing tests still pass and report new test failures and coverage deltas. ## CT Installation Check Failure If the CT installation path is missing or validation fails, do not continue. Show the notice below. ```text The CT installation could not be verified. Provide the installation path to continue. [Installation check] • Checked CT installation path: {ctHome or "not configured"} • Requirement: CT 2026.06 or later • Note: A valid CT license is required to run CT. [If CT is already installed] • Please provide the full path to the CT installation folder. Example: C:\Program Files\Suresoft\CT 2026 [If CT is not installed] • Product and installation support: bizcenter@suresofttech.com ``` **Entry**: A CT project with a prior test-result baseline **Input (standalone)**: `workspaces.ctson` entry keyed by CWD -> `projectName`. Baseline is fetched via `ct_get_test_results(projectName)` and `ct_get_coverage(projectName)`. **Input (orchestrator-routed)**: in-memory state -> `ct_resources.project_name`, prior `test_results`, prior `coverage` **Output (orchestrator-routed)**: in-memory state update (`status=regression_done`, adds a `regression` field) **Standalone guard**: At standalone entry, verify in two steps. 1. **Project registration**: If `workspaces.ctson` has no entry keyed by CWD -> **stop immediately** and tell the user "This directory is not registered