feat: pentest onboarding — streaming, browser automation, reports, user cleanup (#16)

Complete pentest feature overhaul: SSE streaming, session-persistent browser tool (CDP), AES-256 credential encryption, auto-screenshots in reports, code-level remediation correlation, SAST triage chunking, context window optimization, test user cleanup (Keycloak/Auth0/Okta), wizard dropdowns, attack chain improvements, architecture docs with Mermaid diagrams.

Co-authored-by: Sharang Parnerkar <parnerkarsharang@gmail.com>
Reviewed-on: #16

compliance-agent/src/config.rs

@@ -49,5 +49,12 @@ pub fn load_config() -> Result<AgentConfig, AgentError> {
             .unwrap_or_else(|| "/data/compliance-scanner/ssh/id_ed25519".to_string()),
         keycloak_url: env_var_opt("KEYCLOAK_URL"),
         keycloak_realm: env_var_opt("KEYCLOAK_REALM"),
+        keycloak_admin_username: env_var_opt("KEYCLOAK_ADMIN_USERNAME"),
+        keycloak_admin_password: env_secret_opt("KEYCLOAK_ADMIN_PASSWORD"),
+        pentest_verification_email: env_var_opt("PENTEST_VERIFICATION_EMAIL"),
+        pentest_imap_host: env_var_opt("PENTEST_IMAP_HOST"),
+        pentest_imap_port: env_var_opt("PENTEST_IMAP_PORT").and_then(|p| p.parse().ok()),
+        pentest_imap_username: env_var_opt("PENTEST_IMAP_USERNAME"),
+        pentest_imap_password: env_secret_opt("PENTEST_IMAP_PASSWORD"),
     })
 }