diff --git a/.obsidian/plugins/webinar-dash/main.js b/.obsidian/plugins/webinar-dash/main.js
index 8689bde..9977e06 100644
--- a/.obsidian/plugins/webinar-dash/main.js
+++ b/.obsidian/plugins/webinar-dash/main.js
@@ -29,9 +29,16 @@ function extractRawPath(text) {
 }
 
 function derivePipeline({ rawFiles, sourcePages }) {
+  // First claim on a raw path wins. A later page claiming the same file is a
+  // duplicate claim — real catalog drift — and joins `orphaned` rather than
+  // being silently dropped. `orphaned` therefore means "source page not paired
+  // with a raw file", whatever the reason.
   const claimed = new Map();
+  const duplicates = [];
   for (const page of sourcePages) {
-    if (page.rawPath) claimed.set(page.rawPath, page);
+    if (!page.rawPath) continue;
+    if (claimed.has(page.rawPath)) duplicates.push(page);
+    else claimed.set(page.rawPath, page);
   }
 
   const processed = [];
@@ -43,7 +50,9 @@ function derivePipeline({ rawFiles, sourcePages }) {
   }
 
   const rawPaths = new Set(rawFiles.map((f) => f.path));
-  const orphaned = sourcePages.filter((p) => !p.rawPath || !rawPaths.has(p.rawPath));
+  const orphaned = sourcePages
+    .filter((p) => !p.rawPath || !rawPaths.has(p.rawPath))
+    .concat(duplicates);
 
   unprocessed.sort((a, b) => a.name.localeCompare(b.name));
   processed.sort((a, b) => b.page.name.localeCompare(a.page.name));
diff --git a/.obsidian/plugins/webinar-dash/test/pipeline.test.js b/.obsidian/plugins/webinar-dash/test/pipeline.test.js
index ebd7fe9..b5e95f9 100644
--- a/.obsidian/plugins/webinar-dash/test/pipeline.test.js
+++ b/.obsidian/plugins/webinar-dash/test/pipeline.test.js
@@ -68,6 +68,20 @@ test("derivePipeline treats a page with no raw path as orphaned", () => {
   assert.equal(out.unprocessed.length, 1);
 });
 
+test("derivePipeline routes a duplicate raw-path claim to orphaned", () => {
+  const out = derivePipeline({
+    rawFiles: [{ path: "raw/sources/a.md", name: "a.md", size: 10 }],
+    sourcePages: [
+      { path: "wiki/sources/first.md", name: "first.md", rawPath: "raw/sources/a.md" },
+      { path: "wiki/sources/second.md", name: "second.md", rawPath: "raw/sources/a.md" },
+    ],
+  });
+  assert.equal(out.processed.length, 1);
+  assert.equal(out.processed[0].page.name, "first.md");
+  assert.equal(out.unprocessed.length, 0);
+  assert.deepEqual(out.orphaned.map((p) => p.name), ["second.md"]);
+});
+
 test("derivePipeline sorts unprocessed by name and processed newest first", () => {
   const out = derivePipeline({
     rawFiles: [