fix(env_reporter): fire context hybrid recent+largest, exclude tombstoned

Chat LLM context selected top-10 fires by acreage only; small fresh
incidents (IA/assist fires) ranked below the cutoff and were invisible
to chat. Also excluded: tombstoned fires were listed as active.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_env_reporter_fire_recency.py

@@ -0,0 +1,121 @@
+"""Tests for the hybrid recent+largest fire context in build_fires_detail.
+
+Validates that the env_reporter now surfaces small fresh fires alongside
+large historic ones, excludes tombstoned fires, deduplicates, and respects
+the block character cap.
+"""
+from __future__ import annotations
+
+import time
+
+import pytest
+
+from meshai.notifications.env_reporter import EnvReporter
+from meshai.persistence import get_db
+
+
+@pytest.fixture
+def reporter():
+    return EnvReporter()
+
+
+def _seed_fire(conn, *, irwin_id, name, acres, contained=None, lat=43.6, lon=-116.2,
+               county="Ada", state="ID", declared_at=None, last_event_at=None,
+               tombstoned_at=None):
+    now = int(time.time())
+    conn.execute(
+        "INSERT OR REPLACE INTO fires(irwin_id, incident_name, incident_type, "
+        "current_acres, current_contained_pct, lat, lon, county, state, "
+        "declared_at, last_event_at, tombstoned_at) "
+        "VALUES (?,?,?,?,?,?,?,?,?,?,?,?)",
+        (irwin_id, name, "WF", acres, contained, lat, lon, county, state,
+         declared_at or now, last_event_at or now, tombstoned_at),
+    )
+
+
+def _seed_scenario(conn):
+    """Seed 14 fires: 11 older large, 2 fresh tiny, 1 large tombstoned."""
+    now = int(time.time())
+    day = 86400
+
+    # 11 older large fires (3-6 days old, 50-15000 acres)
+    for i in range(11):
+        _seed_fire(conn, irwin_id=f"OLD-{i:02d}", name=f"Old Fire {i}",
+                   acres=50 + i * 1400,  # 50, 1450, 2850 ... 14050
+                   contained=100 if i < 5 else None,
+                   last_event_at=now - (3 + i % 4) * day,
+                   county="Owyhee", state="ID")
+
+    # 2 fresh tiny fires (< 1 day old, small acres)
+    _seed_fire(conn, irwin_id="FRESH-01", name="Bingham Co. Assist 3",
+               acres=0.3, contained=None,
+               last_event_at=now - 3600,  # 1 hour ago
+               county="Bingham", state="ID")
+    _seed_fire(conn, irwin_id="FRESH-02", name="IA 1",
+               acres=0.1, contained=None,
+               last_event_at=now - 7200,  # 2 hours ago
+               county="Twin Falls", state="ID")
+
+    # 1 large fire that is tombstoned
+    _seed_fire(conn, irwin_id="TOMB-01", name="Tombstoned Blaze",
+               acres=9999, contained=100,
+               last_event_at=now - 2 * day,
+               tombstoned_at=now - day,
+               county="Lincoln", state="ID")
+
+
+class TestFireRecencyHybrid:
+    """T1-T5: hybrid recent+largest query tests."""
+
+    def test_t1_fresh_tiny_fires_appear(self, reporter):
+        """T1: Both fresh tiny fires appear in build_fires_detail output."""
+        conn = get_db()
+        _seed_scenario(conn)
+        text = reporter.build_fires_detail()
+        assert "Bingham Co. Assist 3" in text, (
+            "Fresh tiny fire 'Bingham Co. Assist 3' missing from output")
+        assert "IA 1" in text, (
+            "Fresh tiny fire 'IA 1' missing from output")
+
+    def test_t2_largest_non_tombstoned_appears(self, reporter):
+        """T2: The largest non-tombstoned fire appears (hybrid keeps big fires)."""
+        conn = get_db()
+        _seed_scenario(conn)
+        text = reporter.build_fires_detail()
+        # Old Fire 10 has acres=14050, the largest non-tombstoned
+        assert "Old Fire 10" in text, (
+            "Largest non-tombstoned fire 'Old Fire 10' missing from output")
+
+    def test_t3_tombstoned_excluded(self, reporter):
+        """T3: The tombstoned fire does NOT appear."""
+        conn = get_db()
+        _seed_scenario(conn)
+        text = reporter.build_fires_detail()
+        assert "Tombstoned Blaze" not in text, (
+            "Tombstoned fire should be excluded")
+
+    def test_t4_no_duplicates(self, reporter):
+        """T4: No incident is listed twice (dedup by irwin_id)."""
+        conn = get_db()
+        _seed_scenario(conn)
+        text = reporter.build_fires_detail()
+        # Each fire name should appear at most once in the output.
+        for name in ("Bingham Co. Assist 3", "IA 1", "Old Fire 10"):
+            count = text.count(name)
+            assert count <= 1, f"'{name}' appears {count} times (expected <=1)"
+
+    def test_t5_respects_block_cap(self, reporter):
+        """T5: Output respects _block_cap() even with long names."""
+        conn = get_db()
+        now = int(time.time())
+        # Seed fires with very long names to exceed cap
+        for i in range(12):
+            long_name = f"Extremely Long Incident Name For Testing Purposes Number {i:02d} " + "X" * 100
+            _seed_fire(conn, irwin_id=f"LONG-{i:02d}", name=long_name,
+                       acres=100 + i * 500,
+                       last_event_at=now - 3600 * (i + 1),
+                       county="Test", state="ID")
+        text = reporter.build_fires_detail()
+        from meshai.notifications.env_reporter import _block_cap
+        assert len(text) <= _block_cap(), (
+            f"Output length {len(text)} exceeds cap {_block_cap()}")