chore(07): remove deprecated bash scripts and legacy env files

.planning/phases/07-config-consolidation/07-03-SUMMARY.md

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+# Phase 7 Wave 2 Summary: Python Deployment Scripts (07-03)
+
+**Completed:** 2026-04-23
+**Status:** [COMPLETED]
+**Commits:** ce79c919, 1621625b, 63f72c11, 9253eb65
+
+---
+
+## Accomplishments
+
+1. **scripts/deploy.py Created**
+   - Replaces `deploy.sh` with a secure, robust Python implementation
+   - Implements pre-flight checks, port availability validation, and health check polling
+   - Parses YAML config from `config/docker.yaml` and `config/network.yaml`
+
+2. **scripts/run_standalone.py Created**
+   - Replaces `run_standalone.sh` for multi-process management without Docker
+   - Handles graceful shutdown (SIGINT/SIGTERM) of both backend and frontend
+   - Provides prefixed, colored console output for logs
+
+3. **scripts/install_service.py Created**
+   - Replaces `install_service.sh` for systemd service setup
+   - Generates service file from template with correct YAML-based paths
+
+4. **scripts/export_prod.py Created**
+   - Replaces `export_prod.sh` for production data backups
+   - Explicitly excludes `config/secrets.yaml` to ensure security in backups
+
+---
+
+## Technical Details
+
+- **YAML Parsing (D-05):** All scripts use PyYAML to read the new centralized configuration structure.
+- **Security:** Subprocess calls use `shell=False` with list arguments to prevent injection attacks.
+- **Tooling:** Implemented consistent logging and color output for developer experience.
+
+---
+
+## Verification
+
+- [x] All 4 Python scripts are executable (`chmod +x`)
+- [x] All scripts use the proper shebang (`#!/usr/bin/env python3`)
+- [x] All scripts correctly parse the YAML configuration files
+- [x] Subprocess execution follows security best practices
+- [x] Error handling and helpful feedback messages are present in all tools