fix(cli): silent-exit when no server running — routes, reload, test, console

[bpamiri]

GA blocker (Bucket A3 in audit)

Several LuCLI commands return an empty string when no Wheels server is detected, printing a red message via `out()` but exiting with code 0. MCP clients and automation scripts cannot distinguish "command succeeded with no output" from "command failed because server is down".

Recent PRs (#2211, #2214, #2215, #2223) fixed silent-exit paths in `wheels new` and `wheels doctor`, but these commands were missed.

Evidence

• cli/lucli/Module.cfc:508-524 — `routes()` pattern
• Same pattern in `reload()`, `runTests()`, `console()` (per audit)

Each returns `""` after an `out(...red)` call without throwing.

Fix

• Introduce a shared `$requireRunningServer()` helper (or typed exception `WheelsServerNotRunning`) in BaseModule or Module.cfc.
• Replace silent returns in `routes`, `reload`, `runTests`, `console` (and any others surfaced by audit) to throw the exception.
• Let LuCLI's error handler map the exception to a non-zero exit code + clear message.
• Add e2e test coverage: invoke each command with no server, assert non-zero exit.

Acceptance

• `wheels routes` with no server → exit 1, clear error.
• `wheels reload`, `wheels test`, `wheels console` same.
• Existing silent-exit coverage in `cli/tests/specs/e2e/` extended to catch regressions.

Refs: GA audit doc