fix(web): Push on the default branch no longer offers a feature branch the server rejects

apps/web/src/components/GitActionsControl.logic.test.ts

@@ -4,9 +4,11 @@ import { resolveAutoFeatureBranchName } from "@t3tools/shared/git";
 import { assert, describe, it } from "vite-plus/test";
 import {
   buildMenuItems,
+  type DefaultBranchConfirmableAction,
   requiresDefaultBranchConfirmation,
   resolveChangesTotals,
   resolveDefaultBranchActionDialogCopy,
+  resolveFeatureBranchUnavailableReason,
   resolveLiveThreadBranchUpdate,
   resolveQuickAction,
 } from "./GitActionsControl.logic";
@@ -93,6 +95,16 @@ describe("when: on default ref without open PR", () => {
       disabled: false,
     });
   });
+
+  it("offers a feature branch only to actions that commit the changes", () => {
+    const reason = (action: DefaultBranchConfirmableAction, hasWorkingTreeChanges: boolean) =>
+      resolveFeatureBranchUnavailableReason({ action, branchName: "main", hasWorkingTreeChanges });
+    assert.isNull(reason("commit_push", true));
+    assert.isNull(reason("commit_push_pr", true));
+    assert.isNotNull(reason("commit_push", false));
+    assert.isNotNull(reason("push", true));
+    assert.isNotNull(reason("create_pr", true));
+  });
 });
 
 describe("when: local changes are behind upstream", () => {

apps/web/src/components/GitActionsControl.logic.ts

@@ -365,13 +365,19 @@ export function resolveDefaultBranchActionDialogCopy(input: {
   };
 }
 
-/** Clean trees cannot create feature branches because the server derives names from uncommitted changes. */
+/** The server names a feature branch from the commit it makes, so the action must commit changes. */
 export function resolveFeatureBranchUnavailableReason(input: {
+  action: DefaultBranchConfirmableAction;
   branchName: string;
   hasWorkingTreeChanges: boolean;
 }): string | null {
-  if (input.hasWorkingTreeChanges) return null;
-  return `There are no changes to commit, so a feature branch can't be named. Create a branch yourself or continue on ${input.branchName}.`;
+  if (!input.hasWorkingTreeChanges) {
+    return `There are no changes to commit, so a feature branch can't be named. Create a branch yourself or continue on ${input.branchName}.`;
+  }
+  if (input.action === "push" || input.action === "create_pr") {
+    return `This action doesn't commit your changes, so a feature branch can't be named. Create a branch yourself or continue on ${input.branchName}.`;
+  }
+  return null;
 }
 
 export function resolveThreadBranchUpdate(

apps/web/src/components/GitActionsControl.tsx

@@ -1135,6 +1135,7 @@ export default function GitActionsControl({
   // Keep enabled until live status loads; the server rejects stale requests.
   const featureBranchUnavailableReason = pendingDefaultBranchAction
     ? resolveFeatureBranchUnavailableReason({
+        action: pendingDefaultBranchAction.action,
         branchName: pendingDefaultBranchAction.branchName,
         hasWorkingTreeChanges: gitStatus?.hasWorkingTreeChanges ?? true,
       })