test: bump coverage gate from 80%% to 90%%

Update --cov-fail-under in lint workflow + docs (AGENTS, README, ARCHITECTURE). Note: A5 closeout reported 80.10%% so this run will likely fail until additional tests are added.

.gitea/workflows/lint.yml

@@ -140,9 +140,9 @@ jobs:
           & $venvPy -m mypy --strict src
           if ($LASTEXITCODE -ne 0) { throw "mypy failed" }
 
-      - name: pytest (coverage >= 80%)
+      - name: pytest (coverage >= 90%)
         shell: powershell
         run: |
           $venvPy = Join-Path $env:VENV_DIR 'Scripts\python.exe'
-          & $venvPy -m pytest tests/python --cov=ci_orchestrator --cov-fail-under=80
+          & $venvPy -m pytest tests/python --cov=ci_orchestrator --cov-fail-under=90
           if ($LASTEXITCODE -ne 0) { throw "pytest failed" }

AGENTS.md

@@ -65,7 +65,7 @@ per compatibilita' con Task Scheduler e caller esterni.
 | Venv produzione          | `F:\CI\python\venv\` (interprete `F:\CI\python\venv\Scripts\python.exe`)              |
 | Venv dev locale          | `.venv\` (NON committare; gitignored)                                                  |
 | Install editable         | `python -m pip install -e .[dev]`                                                     |
-| Test                     | `python -m pytest tests\python -q --cov=ci_orchestrator --cov-fail-under=80`          |
+| Test                     | `python -m pytest tests\python -q --cov=ci_orchestrator --cov-fail-under=90`          |
 | Lint                     | `python -m ruff check src tests\python`                                               |
 | Type-check               | `python -m mypy --strict src`                                                         |
 
@@ -106,7 +106,7 @@ Restano in PowerShell (girano sull'host fuori dal flusso CI o nel guest):
 `template/Prepare-*.ps1`, `template/Install-CIToolchain-*.ps1` e i
 `tests/Test-*.ps1` di smoke locale.
 
-**Test gate**: coverage totale ≥80% (alzato in A5). Nuovi moduli devono
+**Test gate**: coverage totale ≥90% (alzato in A5, poi a 90%). Nuovi moduli devono
 includere unit test con mock; gli errori frequenti di questa stessa
 sezione sono coperti da `tests/python/test_agents_errors.py` come
 regression test — non rimuoverli senza aggiornare la voce in

README.md

@@ -232,10 +232,10 @@ to the Python kebab-case CLI and propagate the exit code.
 ```powershell
 .\.venv\Scripts\python.exe -m ruff check src tests\python
 .\.venv\Scripts\python.exe -m mypy --strict src
-.\.venv\Scripts\python.exe -m pytest tests\python -q --cov=ci_orchestrator --cov-fail-under=80
+.\.venv\Scripts\python.exe -m pytest tests\python -q --cov=ci_orchestrator --cov-fail-under=90
 ```
 
-Coverage gate is **80%** as of Phase A5. Regression tests for the
+Coverage gate is **90%**. Regression tests for the
 `AGENTS.md` "Errori frequenti da evitare" #9–#12 live in
 [tests/python/test_agents_errors.py](tests/python/test_agents_errors.py)
 and must stay green.

docs/ARCHITECTURE.md

@@ -312,10 +312,10 @@ Enforced by `gitea/workflows/lint.yml` job `python`:
 ```powershell
 python -m ruff check src tests\python
 python -m mypy --strict src
-python -m pytest tests\python -q --cov=ci_orchestrator --cov-fail-under=80
+python -m pytest tests\python -q --cov=ci_orchestrator --cov-fail-under=90
 ```
 
-Coverage gate is **80%** as of Phase A5. Regression tests for
+Coverage gate is **90%**. Regression tests for
 `AGENTS.md` errors #9–#12 live in
 [tests/python/test_agents_errors.py](../tests/python/test_agents_errors.py).