chore: drop the em dashes this release added to prose and test titles

The notification categories' contract description, which lands in the
published API document, and a handful of new code comments and test
titles used em dashes; the house style keeps them out of new prose.

src/lib/ai/provider.ts

@@ -1355,7 +1355,7 @@ async function resolveProviderForTestUnbound(
 
   // Empty selection ("test my saved config" — the ai-section calls
   // /api/ai/test with an empty body): resolve via the SAME path generation
-  // uses — the first entry of `resolveProviderChain`. The legacy codex→admin
+  // uses, the first entry of `resolveProviderChain`. The legacy codex→admin
   // fallback used to probe a different provider than generation ran
   // (observed: test→admin-key while generation→codex), so a green test gave
   // no signal about whether overnight generation would work.

src/lib/insights/__tests__/blood-pressure-status.test.ts

@@ -346,7 +346,7 @@ describe("generateBloodPressureStatusForUser — no rate without an expectation"
   });
 });
 
-describe("generateBloodPressureStatusForUser — the person's own target", () => {
+describe("generateBloodPressureStatusForUser and the person's own target", () => {
   const readings = [1, 2, 3].flatMap((daysAgo) => {
     const measuredAt = new Date(Date.now() - daysAgo * dayMs);
     return [

src/lib/insights/__tests__/features.test.ts

@@ -422,7 +422,7 @@ describe("extractFeatures — weight target direction (#1006)", () => {
   });
 });
 
-describe("extractFeatures — blood pressure against the person's own target", () => {
+describe("extractFeatures: blood pressure against the person's own target", () => {
   // 135/85 on three days: above the age default's ceiling, inside a target
   // the person's doctor agreed (up to 140/90).
   const bpRows = [1, 2, 3].flatMap((daysAgo) => {

src/lib/openapi/routes/notifications.ts

@@ -76,7 +76,7 @@ const notificationPreferencesResponse = z
     eventTypes: z
       .array(z.string())
       .describe(
-        "The event categories this account is shown a switch for, in declaration order — the list a client renders rows for. A category nothing sends is not listed, and `preferences` carries no stored row for it.",
+        "The event categories this account is shown a switch for, in declaration order: the list a client renders rows for. A category nothing sends is not listed, and `preferences` carries no stored row for it.",
       ),
     eventDefaults: z
       .record(eventTypeEnum, z.boolean())