GatewayService/liveGateway over the real Python tui_gateway: JSON-RPC stdio
framing (Bun.spawn), 16ms event coalescing flushed inside Solid batch(), typed
GatewayError, and a decode-once GatewayEvent Schema (~35-member tagged union;
unknown/malformed events skip via Option.none, never crash the stream).
The Solid sync-v2-style store grows to: streaming text concat (prefer
payload.text), gateway.ready{skin}/skin.changed -> fromSkin reactive re-theme,
LRU id-dedup, and hydrate-while-buffering (resume scaffold). Theming is a 1:1
port of Ink's theme.ts (DARK/LIGHT, detectLightMode, ANSI-256 normalization,
fromSkin) behind a Solid ThemeProvider so existing skins work unchanged and the
view carries NO hardcoded styles. A console-safe diagnostics log (in-memory
ring + NDJSON file) is the single logging path.
Entry gains a live launch path (default; HERMES_TUI_FAKE=1 -> scripted hello)
with an initial-prompt bootstrap (session.create -> prompt.submit) as the
Phase-2-composer stand-in, plus a minimal Ctrl+C graceful quit
(renderer.destroy -> shutdown Deferred -> scope finalizers -> client.stop) so
the engine reaps its own gateway child instead of orphaning it.
Verified: bun run check green (tsc + eslint + 12 tests / 4 files); live tmux
drive connect -> gateway.ready -> prompt -> streamed reply ("pong") -> clean
teardown with no orphan bun/python. Parity matrix + smoke P1 run log updated.
alt-glitch
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