fix: finalize channels rename cleanup

docs/gateway/logging.md

@@ -101,7 +101,7 @@ Behavior:
 - **Subsystem prefixes** on every line (e.g. `[gateway]`, `[canvas]`, `[tailscale]`)
 - **Subsystem colors** (stable per subsystem) plus level coloring
 - **Color when output is a TTY or the environment looks like a rich terminal** (`TERM`/`COLORTERM`/`TERM_PROGRAM`), respects `NO_COLOR`
-- **Shortened subsystem prefixes**: drops leading `gateway/` + `providers/`, keeps last 2 segments (e.g. `whatsapp/outbound`)
+- **Shortened subsystem prefixes**: drops leading `gateway/` + `channels/`, keeps last 2 segments (e.g. `whatsapp/outbound`)
 - **Sub-loggers by subsystem** (auto prefix + structured field `{ subsystem }`)
 - **`logRaw()`** for QR/UX output (no prefix, no formatting)
 - **Console styles** (e.g. `pretty | compact | json`)