feat(render-mode): Rich (LibreOffice) vs Standard (pandoc) toggle for office formats (.docx/.odt/.rtf); Rich default; 5 office tests; 152/152 green"

app.py

@@ -88,7 +88,7 @@ _JOBS_LOCK = threading.Lock()
 TERMINAL_STATUSES = ("done", "error")
 
 
-def _register_job(epub_name: str) -> str:
+def _register_job(epub_name: str, render_mode: str = "rich") -> str:
     """Register a job and enforce the 50-entry cap.
 
     Eviction never touches in-flight (queued/working) jobs while any
@@ -97,9 +97,13 @@ def _register_job(epub_name: str) -> str:
     app.py:69-73). Only when no terminal entry exists at all is the oldest
     job of any status evicted, preserving the plain 50-cap contract.
     """
+    render_mode = "rich" if render_mode in (None, "") else str(render_mode).lower()
+    if render_mode not in ("rich", "standard"):
+        render_mode = "rich"
     job = {
         "id": uuid.uuid4().hex[:12],
         "epub": epub_name,
+        "render_mode": render_mode,
         "status": "queued",
         "progress": 0.0,
         "message": "queued",
@@ -575,9 +579,12 @@ def _run_job(job_id: str, epub_path: Path) -> None:
     def _cb(pct, msg):
         _set_job(job_id, progress=pct, message=msg)
 
+    # AC: route office formats (.docx/.odt/.rtf) by the mode stored on the job.
+    render_mode = JOBS.get(job_id, {}).get("render_mode", "rich")
     try:
         filename = converters.convert_file(
             epub_path, job_id, progress_cb=_cb,
+            render_mode=render_mode,
             source_name=JOBS.get(job_id, {}).get("epub"))
         _set_job(job_id, status="done", progress=100.0, message="Done",
                  filename=filename, error=None)
@@ -652,7 +659,11 @@ def convert_upload():
         return jsonify(error=f"File too large (max {MAX_UPLOAD_MB} MB)"), 400
     if not WORKER_SLOTS.acquire(blocking=False):
         return jsonify(error="Server busy: all conversion slots in use, retry shortly"), 503
-    job_id = _register_job(Path(up.filename).name)
+    # AC: render_mode defaults to "rich"; stored on the job so the worker
+    # routes office formats (.docx/.odt/.rtf) to the right converter. An
+    # omitted render_mode field therefore behaves as rich.
+    render_mode = request.form.get("render_mode", "rich")
+    job_id = _register_job(Path(up.filename).name, render_mode=render_mode)
     dest = UPLOAD_DIR / f"{job_id}{Path(up.filename).suffix.lower()}"
     try:
         with open(dest, "wb") as out: