Fix local docs source refresh

docker/docs/entrypoint.sh

@@ -46,10 +46,28 @@ for source_url in $sources; do
 done
 
 if [ -d "$local_sources_dir" ]; then
-  python -m http.server "$local_sources_port" \
+  python - "$local_sources_port" "$local_sources_dir" >/tmp/context-kit-local-sources.log 2>&1 <<'PY' &
-    --bind 127.0.0.1 \
+import functools
-    --directory "$local_sources_dir" \
+import http.server
-    >/tmp/context-kit-local-sources.log 2>&1 &
+import sys
+
+
+class LocalSourceHandler(http.server.SimpleHTTPRequestHandler):
+    def send_head(self):
+        # llms-txt-mcp 0.2.0 treats 304 responses from local sources as fetch
+        # failures, so serve machine-local docs as plain 200 responses.
+        for header in ("If-Modified-Since", "If-None-Match"):
+            if header in self.headers:
+                del self.headers[header]
+        return super().send_head()
+
+
+port = int(sys.argv[1])
+directory = sys.argv[2]
+handler = functools.partial(LocalSourceHandler, directory=directory)
+with http.server.ThreadingHTTPServer(("127.0.0.1", port), handler) as server:
+    server.serve_forever()
+PY
   local_sources_pid="$!"
   if ! python - "$local_sources_port" <<'PY'
 import sys

scripts/release-check

@@ -21,11 +21,26 @@ export CONTEXT_KIT_DATA_DIR="${tmp_dir}/data"
 export CONTEXT_KIT_PROJECT_DIR="${ROOT}"
 export CONTEXT_KIT_SEARXNG_PORT="$(pick_port)"
 export CONTEXT_KIT_DOCS_PORT="$(pick_port)"
-export CONTEXT_KIT_DOCS_SOURCES="config/sources.default.txt"
 export CONTEXT_KIT_DOCS_LOCAL_SOURCES_DIR="${tmp_dir}/local-sources"
+export CONTEXT_KIT_DOCS_LOCAL_SOURCES_PORT="8769"
+local_sources_profile="${tmp_dir}/sources.local.txt"
+export CONTEXT_KIT_DOCS_SOURCES="config/sources.default.txt ${local_sources_profile}"
+export CONTEXT_KIT_LOCAL_SOURCE_SMOKE_URL="http://127.0.0.1:${CONTEXT_KIT_DOCS_LOCAL_SOURCES_PORT}/release-fixture/llms.txt"
 export CONTEXT_KIT_WEB_SEARCH_IMAGE="context-kit/web-search-mcp:${release_id}"
 export CONTEXT_KIT_DOCS_IMAGE="context-kit/docs-mcp:${release_id}"
 
+mkdir -p "${CONTEXT_KIT_DOCS_LOCAL_SOURCES_DIR}/release-fixture"
+printf '%s\n' \
+  '# Release Check Local Source' \
+  '' \
+  '> Exercises machine-local llms.txt serving and refresh behavior.' \
+  '' \
+  '## MCP' \
+  '' \
+  '- [Model Context Protocol](https://modelcontextprotocol.io/)' \
+  > "${CONTEXT_KIT_DOCS_LOCAL_SOURCES_DIR}/release-fixture/llms.txt"
+printf '%s\n' "${CONTEXT_KIT_LOCAL_SOURCE_SMOKE_URL}" > "${local_sources_profile}"
+
 cleanup() {
   docker compose -p "${CONTEXT_KIT_COMPOSE_PROJECT}" -f compose.yml down -v --remove-orphans >/dev/null 2>&1 || true
   docker image rm "${CONTEXT_KIT_WEB_SEARCH_IMAGE}" "${CONTEXT_KIT_DOCS_IMAGE}" >/dev/null 2>&1 || true

scripts/smoke-docs.mjs

@@ -1,6 +1,7 @@
 import { requireToolSuccess, runSmoke } from "./mcp-smoke-client.mjs";
 
 const live = process.env.CONTEXT_KIT_LIVE_CHECKS === "1";
+const localSourceSmokeUrl = process.env.CONTEXT_KIT_LOCAL_SOURCE_SMOKE_URL;
 
 runSmoke({
   usage: "usage: node scripts/smoke-docs.mjs <command> [args...]",
@@ -21,6 +22,16 @@ runSmoke({
       docs_sources: "pass"
     };
 
+    if (localSourceSmokeUrl) {
+      requireToolSuccess("docs_refresh/local_source_first", await client.callTool("docs_refresh", {
+        source: localSourceSmokeUrl
+      }));
+      requireToolSuccess("docs_refresh/local_source_second", await client.callTool("docs_refresh", {
+        source: localSourceSmokeUrl
+      }));
+      result.local_source_refresh = "pass";
+    }
+
     if (live) {
       const query = requireToolSuccess("docs_query", await client.callTool("docs_query", {
         query: "Model Context Protocol documentation",