reach own docker daemon over tcp on socket-proxy setups; re-run host detection when an environment is added or edited; keep scanner on the host socket

src/lib/server/host-path-core.ts

@@ -0,0 +1,22 @@
+/**
+ * Pure host-path helpers. NO db / docker import, so unit-testable directly
+ * (importing host-path.ts pulls in the DB layer and would boot the database).
+ */
+
+/**
+ * Whether an environment can be used to inspect Dockhand's OWN container over a
+ * plain tcp:// address (the socket-proxy fallback, #1203/#1204). Only plain-http
+ * `direct` envs qualify: socket envs give no host:port (and we have no socket to
+ * reach anyway), https/mTLS envs need certs a bare tcp:// would drop, hawser envs
+ * are remote agents.
+ */
+export function isSelfInspectCandidate(env: {
+	connectionType?: string | null;
+	protocol?: string | null;
+	host?: string | null;
+	port?: number | null;
+}): boolean {
+	return env.connectionType === 'direct'
+		&& (env.protocol ?? 'http') === 'http'
+		&& !!env.host && !!env.port;
+}