Site Gateway v0.9.0-alpha.1

Trust and visibility milestone.

• Detailed Caddy, internal CA, and custom certificate inventory
• Certificate expiration states with 30-day and 7-day totals
• Configurable warning, critical, and stale-data thresholds
• Uploaded-certificate domain mismatch detection
• On-demand DNS, port 80/443, TLS, and upstream diagnostics
• Actionable dashboard certificate alerts
• Domain and HTTP response-class log filtering with summaries
• Redacted administrator support-report download
• Eight-character password minimum throughout
• Authentication and password forms cleared after use
• Administration layout and responsive accessibility refinements