Add Skip Tunarr cross-reference option to Export step

New users frequently hit a wall where export produces 0 results because
Tunarr shows their Plex source as connected but has not fully indexed the
library programs yet. The cross-reference skips every Plex title,
leaving them with an empty CSV and no obvious way forward.

Changes:
- backend: POST /api/pipeline/export now accepts an optional JSON body
  with {no_crossref: true}, which passes --no-crossref to export.py
  and skips the Tunarr title-matching step entirely.
- frontend: Export step gains a Skip Tunarr cross-reference checkbox
  next to the Run button. When checked, a yellow hint explains when to
  use it. The checkbox is disabled while the export is running.
- CLAUDE.md: updated /api/pipeline/export entry to document the new
  optional body parameter.

The --no-crossref flag already existed in export.py for CLI users; this
just surfaces it in the web UI so first-time users are not blocked while
they sort out their Tunarr library scan.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: AlpineArchitecture

CLAUDE.md

@@ -265,7 +265,7 @@ A title can appear on multiple channels — this is intentional and expected.
 
 | Method | Path | Description |
 |--------|------|-------------|
-| POST | `/api/pipeline/export` | SSE-stream `export.py` |
+| POST | `/api/pipeline/export` | SSE-stream `export.py`; optional JSON body `{"no_crossref": true}` passes `--no-crossref` to skip Tunarr title matching |
 | GET | `/api/pipeline/csv` | Download `plex_library.csv` |
 | GET | `/api/pipeline/csv/info` | Stats: rows, movies, tv_shows, skipped counts, preview lines |
 | GET | `/api/pipeline/prompt` | Fetch `PROMPT.md` with `{TARGET}` and preferences injected |

backend/routers/pipeline_router.py

@@ -91,9 +91,13 @@ def _sse(gen: AsyncGenerator[str, None]) -> StreamingResponse:
     )
 
 
+class ExportOptions(BaseModel):
+    no_crossref: bool = False
+
 @router.post("/pipeline/export")
-async def run_export():
-    return _sse(_stream("export.py", [], "export"))
+async def run_export(opts: ExportOptions = ExportOptions()):
+    args = ["--no-crossref"] if opts.no_crossref else []
+    return _sse(_stream("export.py", args, "export"))
 
 
 @router.get("/pipeline/csv")

frontend/src/pages/Run.tsx

@@ -68,13 +68,14 @@ function ExportStep({ onDone }: { onDone: () => void }) {
   const [done, setDone] = useState(false);
   const [success, setSuccess] = useState(false);
   const [summary, setSummary] = useState<Awaited<ReturnType<typeof api.getCsvInfo>> | null>(null);
+  const [noCrossref, setNoCrossref] = useState(false);
 
   async function run() {
     setLines([]); setDone(false); setSummary(null); setRunning(true);
     try {
       const code = await streamPipeline('/pipeline/export', {}, (ev: StreamEvent) => {
         if (ev.type === 'line') setLines(l => [...l, ev.text]);
-      });
+      }, noCrossref ? { no_crossref: true } : undefined);
       const ok = code === 0;
       setSuccess(ok); setDone(true);
       if (ok) setSummary(await api.getCsvInfo());
@@ -90,12 +91,24 @@ function ExportStep({ onDone }: { onDone: () => void }) {
 
   return (
     <Stack gap="md">
-      <Group>
+      <Group align="center">
         <Button leftSection={<IconPlayerPlay size={15} />} color="orange" onClick={run} loading={running}>
           {running ? 'Exporting…' : done ? 'Re-run Export' : 'Run Export'}
         </Button>
         {done && !success && <Button variant="subtle" color="red" onClick={run}>Retry</Button>}
+        <Checkbox
+          label="Skip Tunarr cross-reference"
+          checked={noCrossref}
+          onChange={(e) => setNoCrossref(e.currentTarget.checked)}
+          disabled={running}
+          size="sm"
+        />
       </Group>
+      {noCrossref && !running && (
+        <Text size="xs" c="yellow.5">
+          All Plex content will be exported regardless of what Tunarr has indexed. Use this if Tunarr shows your library but export is skipping everything.
+        </Text>
+      )}
 
       {done && success && summary && (
         <Card withBorder p="sm" bg="dark.8">