fix: add explicit routes for platform path prefixes

Add explicit routes for /oms/ and /loyalty/ to handle path-based
platform routing in development mode. These routes are defined before
the generic /{slug} catch-all to ensure proper matching.

Routes added:
- /oms → redirect to /oms/
- /oms/ → OMS homepage
- /oms/{slug} → OMS content pages
- /loyalty → redirect to /loyalty/
- /loyalty/ → Loyalty homepage
- /loyalty/{slug} → Loyalty content pages

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

main.py

@@ -377,6 +377,8 @@ async def vendor_root_path(
 # ============================================================================
 logger.info("Registering platform public page routes:")
 logger.info("  - / (platform homepage)")
+logger.info("  - /{platform_code}/ (platform-prefixed homepage for dev mode)")
+logger.info("  - /{platform_code}/{slug} (platform-prefixed content pages)")
 logger.info("  - /{slug} (platform content pages: /about, /faq, /terms, /contact)")
 
 
@@ -465,6 +467,167 @@ async def platform_homepage(request: Request, db: Session = Depends(get_db)):
     return templates.TemplateResponse("platform/homepage-default.html", context)
 
 
+# ============================================================================
+# PLATFORM-PREFIXED ROUTES (Development mode: /oms/, /loyalty/, etc.)
+# These routes handle path-based platform routing in development.
+# In production, domain-based routing means these won't be needed.
+# ============================================================================
+
+
+async def _serve_platform_homepage(request: Request, platform_code: str, db: Session):
+    """Helper function to serve platform homepage."""
+    from app.services.content_page_service import content_page_service
+    from models.database.platform import Platform
+
+    # Get platform from middleware or query directly
+    platform = getattr(request.state, "platform", None)
+    if not platform:
+        platform = db.query(Platform).filter(
+            Platform.code == platform_code.lower(),
+            Platform.is_active == True
+        ).first()
+
+    if not platform:
+        raise HTTPException(status_code=404, detail=f"Platform not found: {platform_code}")
+
+    # Load platform homepage from CMS
+    homepage = content_page_service.get_platform_page(
+        db, platform_id=platform.id, slug="home", include_unpublished=False
+    )
+    if not homepage:
+        homepage = content_page_service.get_platform_page(
+            db, platform_id=platform.id, slug="platform_homepage", include_unpublished=False
+        )
+
+    # Load navigation
+    header_pages = content_page_service.list_platform_pages(
+        db, platform_id=platform.id, header_only=True, include_unpublished=False
+    )
+    footer_pages = content_page_service.list_platform_pages(
+        db, platform_id=platform.id, footer_only=True, include_unpublished=False
+    )
+
+    # Build context
+    language = getattr(request.state, "language", "fr")
+    i18n_globals = get_jinja2_globals(language)
+
+    if homepage:
+        template_name = homepage.template or "default"
+        template_path = f"platform/homepage-{template_name}.html"
+        logger.info(f"[PLATFORM] Rendering {platform.code} homepage: {template_path}")
+
+        context = {
+            "request": request,
+            "page": homepage,
+            "platform": platform,
+            "header_pages": header_pages,
+            "footer_pages": footer_pages,
+        }
+        context.update(i18n_globals)
+        return templates.TemplateResponse(template_path, context)
+
+    # Fallback
+    logger.info(f"[PLATFORM] No CMS homepage for {platform.code}, using default")
+    context = {
+        "request": request,
+        "platform": platform,
+        "header_pages": header_pages,
+        "footer_pages": footer_pages,
+    }
+    context.update(i18n_globals)
+    return templates.TemplateResponse("platform/homepage-default.html", context)
+
+
+async def _serve_platform_content_page(request: Request, platform_code: str, slug: str, db: Session):
+    """Helper function to serve platform content page."""
+    from app.services.content_page_service import content_page_service
+    from models.database.platform import Platform
+
+    # Get platform
+    platform = getattr(request.state, "platform", None)
+    if not platform:
+        platform = db.query(Platform).filter(
+            Platform.code == platform_code.lower(),
+            Platform.is_active == True
+        ).first()
+
+    if not platform:
+        raise HTTPException(status_code=404, detail=f"Platform not found: {platform_code}")
+
+    # Load content page
+    page = content_page_service.get_platform_page(
+        db, platform_id=platform.id, slug=slug, include_unpublished=False
+    )
+    if not page:
+        logger.warning(f"[PLATFORM] Page not found: /{platform_code}/{slug}")
+        raise HTTPException(status_code=404, detail=f"Page not found: {slug}")
+
+    # Load navigation
+    header_pages = content_page_service.list_platform_pages(
+        db, platform_id=platform.id, header_only=True, include_unpublished=False
+    )
+    footer_pages = content_page_service.list_platform_pages(
+        db, platform_id=platform.id, footer_only=True, include_unpublished=False
+    )
+
+    logger.info(f"[PLATFORM] Rendering {platform.code} page: {page.title} (/{slug})")
+
+    language = getattr(request.state, "language", "fr")
+    i18n_globals = get_jinja2_globals(language)
+
+    context = {
+        "request": request,
+        "page": page,
+        "platform": platform,
+        "header_pages": header_pages,
+        "footer_pages": footer_pages,
+    }
+    context.update(i18n_globals)
+    return templates.TemplateResponse("platform/content-page.html", context)
+
+
+# Explicit routes for OMS platform
+@app.get("/oms", response_class=RedirectResponse, include_in_schema=False)
+async def oms_redirect():
+    """Redirect /oms to /oms/"""
+    return RedirectResponse(url="/oms/", status_code=307)
+
+
+@app.get("/oms/", response_class=HTMLResponse, include_in_schema=False)
+async def oms_homepage(request: Request, db: Session = Depends(get_db)):
+    """OMS platform homepage"""
+    return await _serve_platform_homepage(request, "oms", db)
+
+
+@app.get("/oms/{slug}", response_class=HTMLResponse, include_in_schema=False)
+async def oms_content_page(request: Request, slug: str, db: Session = Depends(get_db)):
+    """OMS platform content pages"""
+    return await _serve_platform_content_page(request, "oms", slug, db)
+
+
+# Explicit routes for Loyalty platform
+@app.get("/loyalty", response_class=RedirectResponse, include_in_schema=False)
+async def loyalty_redirect():
+    """Redirect /loyalty to /loyalty/"""
+    return RedirectResponse(url="/loyalty/", status_code=307)
+
+
+@app.get("/loyalty/", response_class=HTMLResponse, include_in_schema=False)
+async def loyalty_homepage(request: Request, db: Session = Depends(get_db)):
+    """Loyalty platform homepage"""
+    return await _serve_platform_homepage(request, "loyalty", db)
+
+
+@app.get("/loyalty/{slug}", response_class=HTMLResponse, include_in_schema=False)
+async def loyalty_content_page(request: Request, slug: str, db: Session = Depends(get_db)):
+    """Loyalty platform content pages"""
+    return await _serve_platform_content_page(request, "loyalty", slug, db)
+
+
+# ============================================================================
+# GENERIC PLATFORM CONTENT PAGE (must be LAST - catches all /{slug})
+# ============================================================================
+
 @app.get("/{slug}", response_class=HTMLResponse, include_in_schema=False)
 async def platform_content_page(
     request: Request, slug: str, db: Session = Depends(get_db)