test(guards): drop the raised size baselines and record the lower ones

Undoes the raise from the pt-BR tables commit. After the screen banks,
population-norm patterns, insights footers, settings labels and
Telegram words moved into their own modules, every file that grew is
below its old line count, outbound-screen.ts leaves the over-800 list
and buildDoseChangeClass the over-200 list.

src/__tests__/baselines/source-function-lines.json

@@ -1,7 +1,7 @@
 {
   "$comment": "Production functions over 200 lines, keyed \"file :: name\", and their length. Maintained by src/__tests__/source-size-ratchet.test.ts.",
-  "count": 410,
-  "total": 148089,
+  "count": 409,
+  "total": 147774,
   "entries": {
     "app/achievements/page.tsx :: AchievementsPage": 206,
     "app/api/admin/backups/upload/route.ts :: apiHandler(arg)": 314,
@@ -293,7 +293,6 @@
     "lib/ai/codex-client.ts :: parseResponse": 302,
     "lib/ai/local-client.ts :: generateCompletionStream": 288,
     "lib/ai/openai-client.ts :: generateCompletion": 346,
-    "lib/ai/safety/outbound-screen.ts :: buildDoseChangeClass": 315,
     "lib/analytics/bp-in-target-fast-path.ts :: computeFromRollups": 203,
     "lib/analytics/compliance/display.ts :: calculateCompliance": 212,
     "lib/analytics/correlations-fast-path.ts :: computeCorrelationHypothesesFastPath": 256,