feat: add beta release channel

packages/server/src/server/session.ts

@@ -234,7 +234,7 @@ const MIN_VERSION_FLEXIBLE_EDITOR_IDS = "0.1.50";
 
 function isAppVersionAtLeast(appVersion: string | null, minVersion: string): boolean {
   if (!appVersion) return false;
-  // Strip RC/prerelease suffix: "0.1.45-rc.4" → "0.1.45"
+  // Strip prerelease suffix: "0.1.45-beta.4" -> "0.1.45"
   const base = appVersion.replace(/-.*$/, "");
   const parts = base.split(".").map(Number);
   const minParts = minVersion.split(".").map(Number);

packages/server/src/utils/worktree.test.ts

@@ -1089,7 +1089,7 @@ describe("slugify", () => {
   });
 
   it("keeps very long names within the hostname label length limit", () => {
-    const result = slugify("Release Candidate ".repeat(12));
+    const result = slugify("Beta Build ".repeat(12));
 
     expect(result.length).toBeLessThanOrEqual(63);
     expectValidHostnameLabel(result);
@@ -1107,7 +1107,7 @@ describe("slugify", () => {
       "feature/cool stuff",
       "  Café Launch  ",
       "__bar__",
-      "Release Candidate ".repeat(12),
+      "Beta Build ".repeat(12),
       "release***candidate",
     ];