Add priority flag to jobs

- Migration 0010: priority BOOLEAN NOT NULL DEFAULT 0 on print_jobs
- Priority jobs sort above normal jobs in the list
- Checkbox in Add Job modal; warning icon in list; badge on detail page

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

app/routers/ui.py

@@ -135,7 +135,7 @@ def jobs_page(request: Request, q: str = "", db: Session = Depends(get_db)):
     return templates.TemplateResponse("jobs.html", {
         "request": request,
         "active": "jobs",
-        "jobs": query.order_by(PrintJob.created_at.desc()).all(),
+        "jobs": query.order_by(PrintJob.priority.desc(), PrintJob.created_at.desc()).all(),
         "q": q,
         "printers": db.query(Printer).order_by(Printer.name).all(),
         "filaments": db.query(Filament).order_by(Filament.material, Filament.color).all(),
@@ -153,6 +153,7 @@ async def create_job(
     customer: str = Form(""),
     job_material: str = Form(""),
     job_color: str = Form(""),
+    priority: str = Form(""),
     bracket_id: str = Form(""),
     amount: int = Form(1),
     notes: str = Form(""),
@@ -193,6 +194,7 @@ async def create_job(
             customer=customer_str,
             job_material=job_material or None,
             job_color=job_color or None,
+            priority=bool(priority),
             notes=notes.strip() or None,
         )
         db.add(job)