[Tool #126] Pipeline Builder Save does not persist recipes

[baixiangcpp]

Summary

Pipeline Builder allows the user to click Save, but the saved recipe is not available after the operation or after reloading the page. There is no save-success or save-failure feedback.

Affected tool: Pipeline Builder
Route: https://byteflow.tools/en/pipeline-builder
Observed during browser acceptance: 2026-08-18

Reproduction

1. Open the affected route.
2. Click Sample to load a recipe.
3. Confirm the recipe has runnable steps.
4. Click Save.
5. Inspect the Saved recipes area and the Load/Delete controls.
6. Reload the page and inspect the same area again.

Actual output

• Clicking Save produces no visible saved-state feedback.
• Saved recipes remains empty.
• Select saved recipe, Load, and Delete remain disabled.
• After a full page reload, the recipe is still not present and cannot be loaded or deleted.

The Run Recipe, step editing, add/remove/reorder, failure diagnostics, Recipe Gallery, template use, Log scrub template, and Export JSON paths work independently.

Expected output

After Save succeeds:

• a saved recipe should appear in Saved recipes;
• the saved recipe should have a selectable name or identifier;
• Load and Delete should become available;
• reloading the page should preserve the saved recipe if persistence is part of the feature contract;
• failures should show an actionable error instead of silently doing nothing.

Impact

Users can lose a pipeline after believing it was saved. The absence of feedback makes it impossible to know whether Save succeeded.

Regression coverage

Save a new recipe, modify and save it again, reload the page, then load and delete it. Assert that the persisted recipe contents and all save/load status messages are correct.