refactor: extract TodayPage and Worker god files

scripts/check-code-health.mjs

@@ -19,7 +19,7 @@ const productionPaths = [
 const sourceExtensions = new Set(['.js', '.jsx', '.mjs', '.mts', '.swift', '.ts', '.tsx']);
 const baselines = {
   complexity: { violations: 30, maxCcn: 98, maxLength: 616, maxParams: 19 },
-  duplication: { clones: 18, duplicatedLines: 234 },
+  duplication: { clones: 18, duplicatedLines: 217 },
   unused: {
     files: 0,
     exports: 5,

src/lib/local-store.ts

@@ -10,6 +10,7 @@ import {
 } from './food-library';
 import { entriesWithinRange } from './history';
 import { createJournalExport } from './journal-export';
+import { sumNutrients } from './nutrients';
 import { activeMedications, upsertMedicationCheckIn } from './medications';
 import {
   calculateCompletedFasts,
@@ -321,15 +322,7 @@ export function localDashboard(): Dashboard {
     .filter((entry) => entry.drankAt >= range.start && entry.drankAt < range.end)
     .sort((a, b) => b.drankAt - a.drankAt);
   const latestWeight = [...state.weights].sort((a, b) => b.recordedAt - a.recordedAt)[0] ?? null;
-  const nutrients = entries.reduce(
-    (total, entry) => ({
-      calories: total.calories + entry.calories,
-      carbsG: total.carbsG + entry.carbsG,
-      proteinG: total.proteinG + entry.proteinG,
-      fibreG: total.fibreG + entry.fibreG,
-    }),
-    { calories: 0, carbsG: 0, proteinG: 0, fibreG: 0 }
-  );
+  const nutrients = sumNutrients(entries);
   return {
     profile: state.profile,
     foods: foodsByLifecycle(state.foods, 'active').sort(

src/lib/nutrients.ts

@@ -0,0 +1,13 @@
+import type { Nutrients } from './types';
+
+export function sumNutrients(entries: Iterable<Nutrients>): Nutrients {
+  return [...entries].reduce(
+    (total, entry) => ({
+      calories: total.calories + entry.calories,
+      carbsG: total.carbsG + entry.carbsG,
+      proteinG: total.proteinG + entry.proteinG,
+      fibreG: total.fibreG + entry.fibreG,
+    }),
+    { calories: 0, carbsG: 0, proteinG: 0, fibreG: 0 }
+  );
+}

src/mcp-source.test.ts

@@ -1,16 +1,19 @@
-import { readFileSync } from 'node:fs';
+import { readdirSync, readFileSync } from 'node:fs';
 import { describe, expect, it } from 'vitest';
 
-const worker = readFileSync(new URL('./worker.ts', import.meta.url), 'utf8');
+const worker = [
+  readFileSync(new URL('./worker.ts', import.meta.url), 'utf8'),
+  ...readdirSync(new URL('./worker/', import.meta.url))
+    .filter((name) => name.endsWith('.ts'))
+    .sort()
+    .map((name) => readFileSync(new URL(`./worker/${name}`, import.meta.url), 'utf8')),
+].join('\n');
 const migration = readFileSync(
   new URL('../migrations/0006_mcp_read_tokens.sql', import.meta.url),
   'utf8'
 );
 const tokenSource = readFileSync(new URL('./server/read-tokens.ts', import.meta.url), 'utf8');
-const mcpReads = worker.slice(
-  worker.indexOf("app.get('/api/mcp/daily'"),
-  worker.indexOf('app.notFound')
-);
+const mcpReads = readFileSync(new URL('./worker/mcp.ts', import.meta.url), 'utf8');
 
 describe('Calorie MCP source boundary', () => {
   it('stores only a hash and revokes tokens within the signed-in owner', () => {