Document current coding-workflow stack state

Snapshot of where opencode + Qwen3-Coder + MCPs + Kimi-Linear + voice
  + Phoenix tracing land today, plus in-flight (oc-tree, kimi-linear
  context ramp) and next (ComfyUI) items with pointers to per-project
  NEXT_STEPS.md guides.

pyinfra/framework/compose/kimi-linear/smoke.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# Smoke-test the running kimi-linear vLLM container. Exits non-zero if
+# anything's wrong, so it doubles as a P1 health check.
+set -euo pipefail
+
+HOST="${KIMI_HOST:-127.0.0.1:8000}"
+MODEL="${KIMI_MODEL:-kimi-linear}"
+
+echo "[smoke] GET /v1/models on $HOST"
+curl -fsS "http://$HOST/v1/models" | python3 -m json.tool
+
+echo
+echo "[smoke] POST /v1/chat/completions ($MODEL) — tiny generation"
+curl -fsS "http://$HOST/v1/chat/completions" \
+    -H "Content-Type: application/json" \
+    -d "{
+        \"model\": \"$MODEL\",
+        \"messages\": [{\"role\": \"user\", \"content\": \"Reply with exactly: ok\"}],
+        \"max_tokens\": 16,
+        \"temperature\": 0.0
+    }" | python3 -m json.tool
+
+echo
+echo "[smoke] passed"