feat(help): restructure /help as user-facing Help Center with Zammad integration

- Replace MkDocs redirect with a branded, SEO-optimised Help Center template
- Add sections: Quick Start, Sources, Destinations, Workflows, FAQ, Support
- Integrate optional Zammad live-chat widget and ticket form
- Add config settings: ZAMMAD_URL, ZAMMAD_CHAT_ENABLED, ZAMMAD_CHAT_ID,
  ZAMMAD_FORM_ENABLED, SUPPORT_EMAIL
- Move MkDocs developer docs from /help to /developer-docs
- Move interactive API docs (Swagger/ReDoc) to /admin/api-docs and /admin/api-redoc
- Add API Docs and Developer Docs links to Admin menu (desktop + mobile)
- Update navigation Help link from /help/ to /help
- Update .env.demo with Zammad configuration examples
- Document new settings in docs/ConfigurationGuide.md
- Rewrite tests to cover new Help Center behaviour

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

app/config.py

@@ -914,6 +914,33 @@ class Settings(BaseSettings):
         description="Allowed request headers for CORS. Use ['*'] to allow all headers.",
     )
 
+    # ---------------------------------------------------------------------------
+    # Support / Help Center – Zammad integration
+    # ---------------------------------------------------------------------------
+    zammad_url: Optional[str] = Field(
+        default=None,
+        description=(
+            "Base URL of your Zammad instance (e.g. https://zammad.example.com). "
+            "Required for the chat widget and feedback form on the Help Center page."
+        ),
+    )
+    zammad_chat_enabled: bool = Field(
+        default=False,
+        description="Show the Zammad live-chat widget on the Help Center page.",
+    )
+    zammad_chat_id: int = Field(
+        default=1,
+        description="Zammad chat topic ID to use for the live-chat widget.",
+    )
+    zammad_form_enabled: bool = Field(
+        default=False,
+        description="Show the Zammad feedback / ticket form on the Help Center page.",
+    )
+    support_email: Optional[str] = Field(
+        default=None,
+        description="Support e-mail address displayed on the Help Center page.",
+    )
+
     @model_validator(mode="before")
     @classmethod
     def strip_outer_quotes(cls, data: Any) -> Any:

app/main.py

@@ -137,7 +137,12 @@ async def lifespan(app: FastAPI):
     notify_shutdown()
 
 
-app = FastAPI(title="DocuElevate", lifespan=lifespan)
+app = FastAPI(
+    title="DocuElevate",
+    lifespan=lifespan,
+    docs_url="/admin/api-docs",
+    redoc_url="/admin/api-redoc",
+)
 
 # Initialize rate limiter and attach to app state
 limiter = create_limiter(redis_url=settings.redis_url, enabled=settings.rate_limiting_enabled)
@@ -202,14 +207,16 @@ if os.path.exists(static_dir):
 else:
     print(f"WARNING: Static directory not found at {static_dir}. Static files will not be served.")
 
-# Mount the built MkDocs documentation site at /help/
+# Mount the built MkDocs developer documentation at /developer-docs/
+# These docs target administrators and developers, not end-users.
+# The user-facing Help Center is served by the /help view instead.
 # The docs are pre-built into docs_build/ during the Docker image build.
 # When running locally, run `mkdocs build` from the repo root first.
 docs_build_dir = pathlib.Path(__file__).parents[1] / "docs_build"
 if os.path.exists(docs_build_dir):
-    app.mount("/help", StaticFiles(directory=str(docs_build_dir), html=True), name="help_docs")
+    app.mount("/developer-docs", StaticFiles(directory=str(docs_build_dir), html=True), name="developer_docs")
 else:
-    print(f"INFO: Help docs not found at {docs_build_dir}. Run 'mkdocs build' to generate them.")
+    print(f"INFO: Developer docs not found at {docs_build_dir}. Run 'mkdocs build' to generate them.")
 
 
 # Custom exception handlers that return JSON for API routes and HTML for frontend routes

app/views/help.py

@@ -1,27 +1,42 @@
 """
-Help documentation view routes.
+Help Center view routes.
 
-Serves the built MkDocs documentation site at /help.
-The static site is built during the Docker image build and placed at docs_build/.
+Renders a user-facing, SEO-optimised Help Center page at ``/help``.
+The page is designed for SaaS end-users and includes guidance on
+features, integrations, workflows, and optional Zammad support widgets
+(live-chat and feedback form).
+
+The developer-oriented MkDocs documentation is served separately at
+``/docs`` and is intentionally **not** cross-linked from this page.
 """
 
 import logging
 import pathlib
 
 from fastapi import Request
-from fastapi.responses import RedirectResponse
 
-from app.views.base import APIRouter
+from app.config import settings
+from app.views.base import APIRouter, templates
 
 logger = logging.getLogger(__name__)
 
 router = APIRouter()
 
-# Path to the built MkDocs documentation
+# Path to the built MkDocs documentation (kept for reference / backwards compat)
 _DOCS_BUILD_DIR = pathlib.Path(__file__).parents[2] / "docs_build"
 
 
 @router.get("/help", include_in_schema=False)
-async def help_redirect(request: Request) -> RedirectResponse:
-    """Redirect /help to /help/ so the MkDocs index is served correctly."""
-    return RedirectResponse(url="/help/", status_code=301)
+async def help_center(request: Request):
+    """Render the end-user Help Center page."""
+    return templates.TemplateResponse(
+        "help.html",
+        {
+            "request": request,
+            "zammad_url": settings.zammad_url,
+            "zammad_chat_enabled": settings.zammad_chat_enabled,
+            "zammad_chat_id": settings.zammad_chat_id,
+            "zammad_form_enabled": settings.zammad_form_enabled,
+            "support_email": settings.support_email,
+        },
+    )