Terraform apply requires manual approval not auto on main

[askmy-stack]

Background

Identified during OSS audit v2 of meridian.

Problem Statement

auto-approve on every push.

Proposed Solution

workflow_dispatch for apply.

Acceptance Criteria

• Implementation complete
• Tests pass
• Documented in README or docs/

Files / Modules Affected

.github/workflows/ci-cd.yml

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Suggested labels: priority:medium, difficulty:beginner, category:security
Milestone: v1.0-oss-ready
OSS Audit: Master Backlog v2