[sabhi128]

Summary of Changes

• Added interactive Variable Inputs form for testing prompt templates with dynamic values in PromptsDetails.vue.
• Added a "Live Rendered Output" preview panel showing real-time variable substitution.
• Included "Render Prompt", "Copy Output", and variable substitution status indicator.

Visual Evidence (Before vs After)

Before:

After:

Verification

• Verified dynamic input generation for detected variables and instantaneous output rendering.

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[zhendi]

I'm going ahead and closing this PR. The images provided are still composited mockups using the SaaS UI, which does not prove that the code in this PR functions in the open-source environment.

We need genuine proof of the code running locally. Feel free to reopen this PR only if you can provide actual, unedited screenshots or a video of the feature working locally. Thanks for your understanding.