docs: Add env field to deployment manifest documentation

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Updates the flash_manifest.json example in the deployment docs to show that environment variables defined on endpoints are persisted in the manifest. This clarifies how the env parameter is stored and deployed with your Flash application.

Trigger Events

runpod/flash PR #226: Fix: AE-2266: persist env vars in manifest and deployed endpoints

Promptless Research (6 files, 1 GitHub PR)

• Reviewed runpod/flash#226
• Viewed .long_term_context/product_knowledge/product_overview.md
• Viewed .long_term_context/doc_workflow/client_instructions.md
• Viewed .long_term_context/style/client_style_guide.md
• Viewed flash/cli/env.mdx
• Viewed flash/configuration/parameters.mdx
• Viewed flash/apps/deploy-apps.mdx

Agent Response

I've reviewed PR #226 and created a documentation update.

Summary

PR #226 fixes a bug where environment variables defined on Flash endpoints weren't being persisted in the deployment manifest. Previously, when building the resource manifest, env variables were not being saved, which meant they weren't being passed to deployed endpoints.

Documentation Impact

The existing documentation in flash/configuration/parameters.mdx already correctly describes how the env parameter works. However, the example flash_manifest.json in the deployment docs didn't show the env field, which could confuse users trying to understand how their environment variables are stored and deployed.

Changes Made

I updated flash/apps/deploy-apps.mdx to:

1. Added env to the manifest example - Shows how environment variables appear in the deployment manifest
2. Updated the manifest description - Added "Environment variables for workers" to the list of what the manifest contains

This helps users understand that their endpoint environment variables are persisted in the deployment manifest and will be available to their workers after deployment.

Suggestion URL: https://app.gopromptless.ai/suggestions/a3c3fada-d737-4486-a282-b62c26b508e8

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[promptless]

Citation: PR #226 fixes env var persistence in the manifest. Changes in manifest.py show that the env dict is now extracted and included in the deployment config (excluding RUNPOD_API_KEY for security).
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