docs: keep shared task examples in navigation (#5987)

Signed-off-by: Hongsheng Liu <liuhongsheng4@huawei.com>

docs/mkdocs/hooks/generate_examples.py

@@ -24,15 +24,22 @@ SERVING_MODE_TITLES = {
     "online_serving": "Online serving",
 }
 
-# Generated example pages keep their source-derived URLs even when their
-# navigation category changes. Quantization helpers are feature documentation,
-# not user-serving examples, so keep them under the existing Features /
-# Quantization section instead of creating a second top-level Quantization
-# category under Examples.
-EXAMPLE_NAV_TARGETS = {
-    "quantization": "quantization",
-}
-GENERATED_QUANTIZATION_EXAMPLES_TITLE = "Generated Examples"
+# Keep the Examples navigation focused on reusable modality/task entry points.
+# Model-specific scripts remain available under ``examples/`` and are surfaced
+# from these shared pages instead of getting one page per model.
+GENERAL_EXAMPLE_SLUGS = frozenset(
+    {
+        "image_to_image",
+        "image_to_video",
+        "speech_to_video",
+        "text_to_audio",
+        "text_to_image",
+        "text_to_speech",
+        "text_to_video",
+        "x_to_text",
+        "x_to_video_audio",
+    }
+)
 
 
 def load_model_display_names() -> dict[str, str]:
@@ -56,6 +63,13 @@ def load_model_display_names() -> dict[str, str]:
 MODEL_DISPLAY_NAMES = load_model_display_names()
 
 
+def is_general_example(example: "Example") -> bool:
+    """Return whether an example should get a generated serving page."""
+    if example.category not in SERVING_MODE_TITLES:
+        return True
+    return example.path.stem in GENERAL_EXAMPLE_SLUGS
+
+
 def fix_case(text: str) -> str:
     subs = {
         "api": "API",
@@ -358,12 +372,9 @@ def update_nav_file(examples: list[Example]):
             items.append({example.nav_title: rel_path.as_posix()})
         return items
 
-    # Build the new Examples section - start with preserved items. Categories
-    # not explicitly routed elsewhere retain the historical Examples behavior.
+    # Build the new Examples section - start with preserved items.
     examples_section = preserved_items.copy()
     for category in sorted(examples_by_category.keys()):
-        if EXAMPLE_NAV_TARGETS.get(category, "examples") != "examples":
-            continue
         items = category_items(category)
         if items:
             category_title = fix_case(category.replace("_", " ").title())
@@ -372,36 +383,6 @@ def update_nav_file(examples: list[Example]):
     # Update the nav structure
     nav_list[user_guide_idx]["User Guide"][examples_idx]["Examples"] = examples_section
 
-    features_content = next(
-        (item["Features"] for item in user_guide_content if isinstance(item, dict) and "Features" in item),
-        None,
-    )
-    quantization_content = None
-    if isinstance(features_content, list):
-        quantization_content = next(
-            (item["Quantization"] for item in features_content if isinstance(item, dict) and "Quantization" in item),
-            None,
-        )
-
-    if isinstance(quantization_content, list):
-        # Remove only the group owned by this hook so repeated builds are
-        # idempotent and hand-authored Quantization navigation is retained.
-        quantization_content[:] = [
-            item
-            for item in quantization_content
-            if not (isinstance(item, dict) and GENERATED_QUANTIZATION_EXAMPLES_TITLE in item)
-        ]
-
-    quantization_examples = examples_by_category.get("quantization")
-    if quantization_examples:
-        if not isinstance(quantization_content, list):
-            logger.warning(
-                "Could not find 'User Guide' -> 'Features' -> 'Quantization' section; "
-                "omitting generated quantization examples from navigation"
-            )
-        else:
-            quantization_content.append({GENERATED_QUANTIZATION_EXAMPLES_TITLE: category_items("quantization")})
-
     # Write back to file
     nav_data["nav"] = nav_list
     with open(NAV_FILE, "w", encoding="utf-8") as f:
@@ -432,6 +413,8 @@ def on_startup(command: Literal["build", "gh-deploy", "serve"], dirty: bool):
         for path in category.glob("*/*.md"):
             examples.append(Example(path.parent, category.stem))
 
+    examples = [example for example in examples if is_general_example(example)]
+
     # Generate the example documentation
     for example in sorted(examples, key=lambda e: e.path.stem):
         example_name = f"{example.path.stem}.md"