fix: rebuild trustworthy local-day evidence (#99)

2026-09-28 13:09:00 +05:30
parent 7e392c4ea2
commit 017a562566
15 changed files with 1305 additions and 151 deletions
@@ -98,8 +98,8 @@ def _insert_local_day(conn, local_date, tz_name="UTC", tz_offset="+00:00",
    conn.execute(
        "INSERT INTO local_days "
        "(local_date, tz_name, tz_offset, utc_start, utc_end, "
-        " bytes_written, bytes_read, coverage, sample_count, complete) "
-        "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+        " bytes_written, bytes_read, coverage, sample_count, complete, activity_intervals) "
+        "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 1)",
        (local_date, tz_name, tz_offset, utc_start, utc_end,
         bw, br, coverage, samples, complete),
    )
@@ -166,6 +166,47 @@ class TestGateNoCompleteDay:
        # The key assertion: gate message should NOT appear when gate IS met
        assert not any("full local observation day" in f for f in result.contributing_facts)

+    def test_complete_legacy_day_without_trusted_activity_does_not_open_gate(
+        self, store,
+    ):
+        """A complete flag cannot make unavailable local activity qualify."""
+        _insert_baseline(store)
+        _insert_segment(store)
+        _open_period(store)
+        for i in range(3):
+            day = (datetime(2026, 9, 27) + timedelta(days=i)).strftime("%Y-%m-%d")
+            _insert_day(store, day, bw=1024 * 1024 * 100)
+        _insert_sample(store, "2026-09-30T10:00:00+00:00", pu=5)
+        _insert_local_day(store, "2026-09-29", complete=True)
+        store.execute(
+            "UPDATE local_days SET activity_precision = 'measured', activity_intervals = 0 "
+            "WHERE local_date = '2026-09-29'"
+        )
+        result = compute_projection(store, _clock())
+        assert result.confidence_state == ConfidenceState.UNSUPPORTED
+        assert any("full local observation day" in fact
+                   for fact in result.contributing_facts)
+
+    def test_partial_but_trusted_local_activity_opens_gate(self, store):
+        """Known local intervals can coexist with an incomplete day total."""
+        _insert_baseline(store)
+        _insert_segment(store)
+        _open_period(store)
+        for i in range(3):
+            day = (datetime(2026, 9, 27) + timedelta(days=i)).strftime("%Y-%m-%d")
+            _insert_day(store, day, bw=1024 * 1024 * 100)
+        _insert_sample(store, "2026-09-30T10:00:00+00:00", pu=5)
+        _insert_local_day(store, "2026-09-29", complete=True)
+        store.execute(
+            "UPDATE local_days SET activity_incomplete = 1 "
+            "WHERE local_date = '2026-09-29'"
+        )
+
+        result = compute_projection(store, _clock())
+
+        assert not any("full local observation day" in fact
+                       for fact in result.contributing_facts)
+

 # ---------------------------------------------------------------------------
 # Gate-2: One complete local day → Limited confidence