Use one name for each thing the UI shows (closes #399)

The UI gave one thing several names. The `database` type is now Archive in the type list, on its badge and on the edit page, and its settings read "Archive expiry" and "Archive rotation" everywhere. The retry field is "Delivery attempts", with help text, errors and the target list saying it counts every attempt; a stored 0 shows as one attempt. The target list uses one capitalisation. The navbar says "Sign out", the sign-in page "Sign in", and the resubmit notice "webhook" instead of "source". The README follows. Stored values, their meaning, routes and form field names are unchanged.

Model: opus-5-5

internal/handlers/ui_copy_test.go

@@ -354,15 +354,14 @@ func TestEntrypointCopyButtonIsProgressiveEnhancement(t *testing.T) {
 // and target_http gives up once the attempt number reaches
 // max_retries), and 0 is special-cased to a single fire-and-forget
 // attempt with no circuit breaker.
-const maxRetriesHelp = "This is the total number of delivery attempts, " +
-	"not retries on top of the first: a value of 3 makes three attempts " +
-	"in all. 0 means a single attempt with no retries and no circuit " +
-	"breaker."
+const maxRetriesHelp = "How many times each delivery is attempted in " +
+	"all, the first attempt included. 0 means a single attempt with no " +
+	"retries and no circuit breaker."
 
 // TestTargetFormMaxRetriesCopyMatchesBehaviour pins the max_retries
-// help text on both the create form (the add-target form on the webhook
-// detail page) and the edit form, so the copy cannot drift back to
-// calling the number a retry count.
+// label, "Delivery attempts", and help text on both the create form
+// (the add-target form on the webhook detail page) and the edit form,
+// so the copy cannot drift back to calling the number a retry count.
 func TestTargetFormMaxRetriesCopyMatchesBehaviour(t *testing.T) {
 	t.Parallel()
 
@@ -393,6 +392,7 @@ func TestTargetFormMaxRetriesCopyMatchesBehaviour(t *testing.T) {
 		},
 	)
 
+	assert.Contains(t, createBody, "Delivery attempts:</label>")
 	assert.Contains(
 		t, createBody, maxRetriesHelp,
 		"the add-target form must explain max_retries as total attempts",
@@ -419,8 +419,33 @@ func TestTargetFormMaxRetriesCopyMatchesBehaviour(t *testing.T) {
 		},
 	)
 
+	assert.Contains(t, editBody, `class="label">Delivery attempts</label>`)
 	assert.Contains(
 		t, editBody, maxRetriesHelp,
 		"the target edit form must explain max_retries as total attempts",
 	)
 }
+
+// TestCreateFormCallsTheDatabaseTargetAnArchive pins the names the new
+// webhook page gives the database target its Archive checkbox creates,
+// and that target's settings, to the ones the target forms use.
+func TestCreateFormCallsTheDatabaseTargetAnArchive(t *testing.T) {
+	t.Parallel()
+
+	var h *handlers.Handlers
+
+	var sess *session.Session
+
+	app := newTestApp(t, &h, &sess)
+	app.RequireStart()
+
+	t.Cleanup(app.RequireStop)
+
+	body := renderPage(t, h, sess, "sources_new.html", map[string]any{
+		dataKeyError: "",
+	})
+
+	assert.Contains(t, body, "created with an archive target")
+	assert.Contains(t, body, `class="label">Archive expiry</label>`)
+	assert.Contains(t, body, `class="label">Archive rotation</label>`)
+}