Increase default auto-stop to 12h (#3631)

Resolves #3462.

And, clarify language to resolve #3509.

coderd/workspaces.go

@@ -32,7 +32,7 @@ import (
 	"github.com/coder/coder/codersdk"
 )
 
-const workspaceDefaultTTL = 2 * time.Hour
+const workspaceDefaultTTL = 12 * time.Hour
 
 var (
 	ttlMin = time.Minute //nolint:revive // min here means 'minimum' not 'minutes'

site/src/components/WorkspaceScheduleForm/WorkspaceScheduleForm.tsx

@@ -54,7 +54,7 @@ export const Language = {
   timezoneLabel: "Timezone",
   ttlLabel: "Time until shutdown (hours)",
   ttlCausesShutdownHelperText: "Your workspace will shut down",
-  ttlCausesShutdownAfterStart: "after start",
+  ttlCausesShutdownAfterStart: "after its next start",
   ttlCausesNoShutdownHelperText: "Your workspace will not automatically shut down.",
   formTitle: "Workspace schedule",
   startSection: "Start",

site/src/pages/WorkspaceSchedulePage/ttl.ts

@@ -5,7 +5,7 @@ export interface AutoStop {
 
 export const emptyTTL = 0
 
-export const defaultTTL = 8
+export const defaultTTL = 12
 
 const msToHours = (ms: number) => Math.round(ms / (1000 * 60 * 60))