feat(gui): client diagnostics non bloquant + spool best-effort (E3)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tests/unit/test_gui_v6_diagnostics.py

@@ -44,3 +44,67 @@ def test_build_payload_counts_and_no_pii_leak():
         assert forbidden not in blob, f"fuite RGPD : {forbidden}"
     for item in payload["items"]:
         assert set(item) <= {"ordinal", "status", "error_type", "error_code", "duration_ms"}
+
+
+class _FakeResp:
+    def __init__(self, status_code):
+        self.status_code = status_code
+
+
+class _FakeSession:
+    def __init__(self, status_code=200, raise_exc=None):
+        self.status_code = status_code
+        self.raise_exc = raise_exc
+        self.calls = []
+
+    def post(self, url, json=None, timeout=None):
+        self.calls.append((url, json, timeout))
+        if self.raise_exc:
+            raise self.raise_exc
+        return _FakeResp(self.status_code)
+
+
+def test_client_report_ok_on_2xx():
+    sess = _FakeSession(status_code=200)
+    client = diagnostics.DiagnosticsClient("https://app.aivanov.eu/", session=sess)
+    assert client.report({"run_id": "r"}) is True
+    assert sess.calls[0][0] == "https://app.aivanov.eu/api/v1/diagnostics/report"
+
+
+def test_client_report_false_on_network_error_without_raising():
+    sess = _FakeSession(raise_exc=RuntimeError("no network"))
+    client = diagnostics.DiagnosticsClient("https://app.aivanov.eu", session=sess)
+    assert client.report({"run_id": "r"}) is False  # ne lève pas
+
+
+def test_report_run_diagnostics_no_send_without_license(tmp_path):
+    sess = _FakeSession()
+    ok = diagnostics.report_run_diagnostics(
+        SimpleNamespace(documents=[]), base_url="https://app.aivanov.eu",
+        license_ref=None, machine_id="m" * 12, session=sess,
+        spool_path=tmp_path / "spool.jsonl",
+    )
+    assert ok is False and sess.calls == []
+
+
+def test_report_run_diagnostics_network_down_spools(tmp_path):
+    sess = _FakeSession(raise_exc=RuntimeError("down"))
+    spool = tmp_path / "spool.jsonl"
+    summary = SimpleNamespace(documents=[_doc(ordinal=0, status="failed",
+                                              error_type="ValueError", error_code="processing_error")])
+    ok = diagnostics.report_run_diagnostics(
+        summary, base_url="https://app.aivanov.eu", license_ref="LIC-1",
+        machine_id="m" * 12, session=sess, spool_path=spool,
+    )
+    assert ok is False and spool.exists()
+    line = json.loads(spool.read_text(encoding="utf-8").splitlines()[0])
+    assert line["failed_count"] == 1
+
+
+def test_flush_spool_sends_and_clears(tmp_path):
+    spool = tmp_path / "spool.jsonl"
+    diagnostics.spool_payload(spool, {"run_id": "r1"})
+    diagnostics.spool_payload(spool, {"run_id": "r2"})
+    sent = diagnostics.flush_spool(spool, diagnostics.DiagnosticsClient(
+        "https://app.aivanov.eu", session=_FakeSession(status_code=200)))
+    assert sent == 2 and not spool.exists()