From f04915ee1de95a6d46b9ae5226976a0ea1f97ca5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gerg=C5=91=20T=C3=B6rcsv=C3=A1ri?=
 <torcsvari.gergo@gmail.com>
Date: Sat, 13 Jun 2026 17:16:40 +0200
Subject: [PATCH] =?UTF-8?q?feat:=20libs=200005=20=E2=80=94=20standalone=20?=
 =?UTF-8?q?sends=20the=20project=20header=20on=20lib=20requests=20(project?=
 =?UTF-8?q?-scoped=20server-side=20resolution);=20bump=20pcbjam-shared?=
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 web/pcbjam-shared                             |  2 +-
 web/standalone/src/components/WasmTool.tsx    |  2 +-
 web/standalone/src/lib/config.ts              |  4 +--
 web/standalone/src/wasm/libs/remote-source.ts | 26 ++++++++++++-------
 4 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/web/pcbjam-shared b/web/pcbjam-shared
index a1d18b5..df29729 160000
--- a/web/pcbjam-shared
+++ b/web/pcbjam-shared
@@ -1 +1 @@
-Subproject commit a1d18b53a7b976c219a824800027c289b9e9fe2c
+Subproject commit df297291b0bdfd0228c900e9c1a0c7279ffd1533
diff --git a/web/standalone/src/components/WasmTool.tsx b/web/standalone/src/components/WasmTool.tsx
index 0c7e0e5..c7d78fb 100644
--- a/web/standalone/src/components/WasmTool.tsx
+++ b/web/standalone/src/components/WasmTool.tsx
@@ -442,7 +442,7 @@ export function WasmTool({
           log: append,
           onStatus: setStatus,
           onAbort: oom.onAbort,
-          libsSource: libsSourceConfig(),
+          libsSource: libsSourceConfig(projectId),
         });
         // Register the save sink before the file opens: from here on, every
         // editor File→Save (MEMFS write) is routed onward through saveBytes.
diff --git a/web/standalone/src/lib/config.ts b/web/standalone/src/lib/config.ts
index 2190441..9a2acb6 100644
--- a/web/standalone/src/lib/config.ts
+++ b/web/standalone/src/lib/config.ts
@@ -69,14 +69,14 @@ export function libsOwner(): string {
   return import.meta.env.VITE_LIBS_OWNER ?? "local-user";
 }
 
-export function libsSourceConfig(): LibsSource | null {
+export function libsSourceConfig(projectId?: string): LibsSource | null {
   const kind = import.meta.env.VITE_LIBS_SOURCE ?? "remote";
   const base =
     kind === "off"
       ? null
       : kind === "static"
         ? staticLibsSource()
-        : remoteLibsSource(API_BASE_URL, libsOwner());
+        : remoteLibsSource(API_BASE_URL, libsOwner(), projectId);
 
   // 0004-A spike: `?libwrite=1` adds one in-memory writable user lib so the
   // editor save path works with no backend (a dev/test aid). The real remote
diff --git a/web/standalone/src/wasm/libs/remote-source.ts b/web/standalone/src/wasm/libs/remote-source.ts
index 66a673c..a467286 100644
--- a/web/standalone/src/wasm/libs/remote-source.ts
+++ b/web/standalone/src/wasm/libs/remote-source.ts
@@ -1,4 +1,4 @@
-import { contract, OWNER_HEADER } from "@pcbjam/shared";
+import { contract, OWNER_HEADER, PROJECT_HEADER } from "@pcbjam/shared";
 import { initClient } from "@ts-rest/core";
 import type { LibInfo, LibItemInfo, LibsSource } from "./source";
 
@@ -7,16 +7,22 @@ import type { LibInfo, LibItemInfo, LibsSource } from "./source";
  * server, or the GPL example backend). Read list ops go through the ts-rest
  * client; item bodies stream from the raw text route
  * `GET /api/libs/:lib/items/:kind/:name`, and writes hit the symmetric
- * `PUT` route (binary/text doesn't round-trip ts-rest). The `owner` is carried
- * on every request via `OWNER_HEADER` (thin per-user; absent ⇒ backend default).
+ * `PUT` route (binary/text doesn't round-trip ts-rest). Every request carries
+ * the `owner` (thin per-user) and the `project` (project-scoped server-side
+ * resolution) via `OWNER_HEADER`/`PROJECT_HEADER`; absent ⇒ backend default.
  */
-export function remoteLibsSource(apiBase: string, owner?: string): LibsSource {
-  const ownerHeaders: Record<string, string> = owner
-    ? { [OWNER_HEADER]: owner }
-    : {};
+export function remoteLibsSource(
+  apiBase: string,
+  owner?: string,
+  project?: string,
+): LibsSource {
+  const reqHeaders: Record<string, string> = {
+    ...(owner ? { [OWNER_HEADER]: owner } : {}),
+    ...(project ? { [PROJECT_HEADER]: project } : {}),
+  };
   const client = initClient(contract, {
     baseUrl: apiBase,
-    baseHeaders: ownerHeaders,
+    baseHeaders: reqHeaders,
   });
 
   const itemUrl = (libId: string, kind: string, name: string) =>
@@ -47,7 +53,7 @@ export function remoteLibsSource(apiBase: string, owner?: string): LibsSource {
       name: string,
     ): Promise<string | null> {
       const res = await fetch(itemUrl(libId, kind, name), {
-        headers: ownerHeaders,
+        headers: reqHeaders,
       });
       if (!res.ok) return null;
       return await res.text();
@@ -61,7 +67,7 @@ export function remoteLibsSource(apiBase: string, owner?: string): LibsSource {
     ): Promise<boolean> {
       const res = await fetch(itemUrl(libId, kind, name), {
         method: "PUT",
-        headers: { ...ownerHeaders, "Content-Type": "text/plain; charset=utf-8" },
+        headers: { ...reqHeaders, "Content-Type": "text/plain; charset=utf-8" },
         body,
       });
       return res.ok;