docs(tools): tighten the heading-wrap changelog, comments and overview

src/tools/queries/environment.js

@@ -71,7 +71,7 @@ function weatherRow(weather) {
     precipitation_mm: weather.precipitationMm ?? null,
     cloud_cover_pct: weather.cloudCoverPct ?? null,
     wind_kph: weather.windKph ?? null,
-    // Raw Open-Meteo value, like the fields above; it reports north as 360.
+    // Raw Open-Meteo value, so north reads 360.
     wind_direction_deg: weather.windDirectionDeg ?? null,
     visibility_m: weather.visibilityM ?? null,
   };

src/tools/queries/space.test.mjs

@@ -305,8 +305,8 @@ test('satellite azimuths that round to 360 read as 0', async () => {
     tools: coreTools,
     services: { satellites: satellites(), clock: CLOCK },
   });
-  // These points are chosen so the ISS's raw azimuths fall just below 360°;
-  // pin that first, so the test cannot pass on a raw value already near 0.
+  // At these points the ISS's raw azimuths fall just below 360°; check that
+  // first so the test cannot pass on a raw value near 0.
   const [, line1, line2] = TLE.split('\n');
   const iss = twoline2satrec(line1, line2);
   const nearNorth = (deg) => deg > 359.5 && deg < 360;