Merge PR #2280: feat(cli): CLI v4 — Commander.js, 50+ commands, TUI, i18n, plugins (Phases 0-9)

Complete rewrite of the OmniRoute CLI:
- Commander.js-based modular architecture (50+ command files)
- Full i18n support (en + pt-BR, 1222 keys each)
- TUI interactive interface (OAuthFlow, EvalWatch, ProvidersTestAll)
- Plugin system (omniroute-cmd-*)
- OpenAPI codegen (omniroute api <tag> <op>)
- Commands: serve, combo, compression, keys, tunnel, backup, test-provider,
  health, memory, MCP, A2A, oauth, skills, webhooks, usage, cost, eval,
  context-eng, dashboard, doctor, env, files, logs, models, nodes, oneproxy,
  open, openapi, plugin, policy, pricing, providers, quota, registry, repl,
  reset-encrypted-columns, resilience, restart, runtime, sessions, setup,
  simulate, status, stop, stream, sync, tags, telemetry, translator, tray, update
- Code review fixes: C1-C3, I1-I5, M1-M4 applied

# Conflicts:
#	bin/cli/commands/config.mjs
#	bin/omniroute.mjs
#	package-lock.json
#	package.json

src/shared/constants/cliTools.ts

@@ -526,6 +526,22 @@ amp --model "{{model}}"
   },
 };
 
+// ─── Registry helpers ────────────────────────────────────────────────────────
+
+export type CliToolEntry = (typeof CLI_TOOLS)[keyof typeof CLI_TOOLS];
+
+/** Returns an ordered list of all registered CLI tools. */
+export function listCliTools(): CliToolEntry[] {
+  return Object.values(CLI_TOOLS) as CliToolEntry[];
+}
+
+/** Returns a single tool by id, or undefined if not found. */
+export function getCliTool(id: string): CliToolEntry | undefined {
+  return (CLI_TOOLS as Record<string, CliToolEntry>)[id];
+}
+
+// ─── Provider model mapping helper ───────────────────────────────────────────
+
 // Get all provider models for mapping dropdown
 export const getProviderModelsForMapping = (providers) => {
   const result = [];