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+# Module 06-D — Final Local Preflight Report
+
+## Purpose
+
+This document records the **Final Local Preflight Report** for Module 06 (Cloud Run Deployment). It aggregates the local sync checks, code validation status, and compliance results before transitioning from the local sandbox toward live staging.
+
+---
+
+## 1. Environment and Synchronization Status
+
+We verified synchronization across all developer workspaces and remote origins:
+
+| Target | Branch | Active Commit | Status |
+|---|---|---|---|
+| **Local Windows** | `main` | `59935b3` | Synced |
+| **Cloud Shell** | `main` | `59935b3` | Synced |
+| **GitHub Remote** | `main` | `59935b3` | Synced |
+| **Active PRs** | — | — | **0 Open PRs** |
+
+---
+
+## 2. Local-First Preflight Verifications
+
+Before proposing deployment commands, the workspace was audited against the repository governance standards:
+
+1. **Syntax Integrity**:
+   - All Python files within the repository Modernization paths (`gae-flask-module-1/`) and Experiments directories compile successfully with zero syntax errors (`python -m py_compile`).
+2. **Hygiene Checks (CI Guardrails)**:
+   - Run results from `repo-guardrails.yml` confirm that no `.env` files, credentials, active project IDs, or `.venv`/`__pycache__` directories are tracked.
+3. **Container Readiness**:
+   - Local container configuration files (custom `Dockerfile` from Module 04 and Buildpacks `Procfile` from Module 05) are validated and ready to compile into production-ready container images.
+
+---
+
+## 3. Deployment Safety Gating
+
+This preflight report verifies that the deployment config parameters comply with the project's safety boundary:
+
+* **Resource Isolation**:
+  - Max instances: Capped at `1` (`--max-instances 1`).
+  - Min instances: Capped at `0` (`--min-instances 0`) to enforce scaled-to-zero when idle.
+  - Resource footprint: Restricted to `512MiB` Memory and `1` vCPU to ensure zero cost overruns.
+* **Network & Ingress Protection**:
+  - Public endpoint scraping prevention: The deployment script requires authentication (`--no-allow-unauthenticated`). No public-anonymous URL exposure.
+* **Secrets Governance**:
+  - API keys: Zero hardcoded keys exist in the codebase.
+  - System secrets: Configured to mount dynamically from GCP Secret Manager in the staging phase.
+
+---
+
+## 4. Preflight Verdict
+
+> [!IMPORTANT]
+> **Pre-Deploy Verdict: READY FOR MANUAL DEPLOYMENT (GATED)**
+> 
+> All local validations, branching syncs, cost caps, and security protocols are complete. The repository is in a stable, verified state.
+> 
+> Under the rules of [docs/GUARDRAILS.md](file:///C:/Users/YeniKullanici/chrome-devtools-cloud-migration-lab/docs/GUARDRAILS.md) and [AGENTS.md](file:///C:/Users/YeniKullanici/chrome-devtools-cloud-migration-lab/AGENTS.md), AI agents cannot execute live Google Cloud deployment commands. 
+> 
+> **Next Action**: The developer can manually trigger the Cloud Build and Cloud Run deploy sequence using the step-by-step instructions in [MODULE_06B_CLOUD_RUN_RUNBOOK_APPROVAL.md](file:///C:/Users/YeniKullanici/chrome-devtools-cloud-migration-lab/docs/modules/module-06-cloud-run/MODULE_06B_CLOUD_RUN_RUNBOOK_APPROVAL.md).