feat: add curl/wget output filter

[bug-ops]

Parent: #717

Problem

curl -v includes verbose connection handshake. wget has download progress bars.

Acceptance Criteria

• Match curl (with -v or --verbose), wget
• Strip TLS handshake lines (* , > , < prefixes for non-status lines)
• Keep HTTP status line, response headers (configurable), response body
• Strip wget download progress bars
• Config: [tools.filters.curl] with enabled flag
• Tests
• Expected savings: 50-80%