Detailed wiki content repair: Setup

Setup.md

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+# Setup
+
+## Proven Setup Signals
+
+| Signal | Detail |
+|---|---|
+| requirements.txt | requests, python-dotenv, schedule, colorama |
+| README files | README.md, meetme-backend-api/README.md |
+
+## Setup Path
+
+- Create a Python virtual environment and install packages from the requirements file before running project commands.
+
+## Environment Rules
+
+- Keep local secrets out of Git.
+- Put generated build output outside source control.
+- Prefer a clean checkout when validating setup instructions.
+- Record the exact command that works in the readiness issue before closing it.
+
+## Current Gaps
+
+- No setup gaps were inferred from inspected evidence.