docs: refine landing page — version badge format and mcpd logo

docs/index.md

@@ -1,7 +1,11 @@
 # mcpd
 
+<img src="assets/mcpd-logo.png" alt="mcpd" width="200">
+
 > *Run your agents, not your infrastructure.*
 
+<!-- version-badge -->
+
 ---
 
 `mcpd` is a toolchain and runtime developed by [Mozilla AI](https://mozilla.ai) that simplifies the configuration, 

scripts/prepare_gitbook_site.py

@@ -70,29 +70,20 @@ def render_summary_commands(template: str, entries: list[str]) -> str:
     return template[:begin] + block + template[end:]
 
 
-def _inject_version_badge(content: str, docs_version: str, mcpd_version: str = "") -> str:
-    """Insert a version indicator after the first top-level heading."""
-    version_line = f"Version: {docs_version}"
-    if mcpd_version:
-        version_line += f" (documents mcpd {mcpd_version})"
-    lines = content.split("\n")
-    in_fence = False
-    for i, line in enumerate(lines):
-        if line.lstrip().startswith("```"):
-            in_fence = not in_fence
-            continue
-        if not in_fence and line.startswith("# "):
-            j = i + 1
-            while j < len(lines) and not lines[j].strip():
-                j += 1
-            lines[j:j] = [
-                '{% hint style="info" icon="tag" %}',
-                version_line,
-                "{% endhint %}",
-                "",
-            ]
-            break
-    return "\n".join(lines)
+VERSION_MARKER = "<!-- version-badge -->"
+
+
+def _render_version_badge(docs_version: str, mcpd_version: str) -> str:
+    """Return the version hint block, leading with the mcpd release when known."""
+    label = f"mcpd {mcpd_version} (docs {docs_version})" if mcpd_version else f"docs {docs_version}"
+    return f'{{% hint style="info" icon="tag" %}}\n{label}\n{{% endhint %}}'
+
+
+def _apply_version_badge(content: str, docs_version: str, mcpd_version: str) -> str:
+    """Replace the version marker with the rendered badge."""
+    if VERSION_MARKER not in content:
+        raise ValueError(f"missing {VERSION_MARKER} marker")
+    return content.replace(VERSION_MARKER, _render_version_badge(docs_version, mcpd_version))
 
 
 def generate_summary() -> None:
@@ -112,7 +103,7 @@ def stamp_version(docs_version: str, mcpd_version: str) -> None:
     index = SITE_DIR / "index.md"
     if index.exists():
         index.write_text(
-            _inject_version_badge(index.read_text(encoding="utf-8"), docs_version, mcpd_version),
+            _apply_version_badge(index.read_text(encoding="utf-8"), docs_version, mcpd_version),
             encoding="utf-8",
         )
 

scripts/test_prepare_gitbook_site.py

@@ -5,7 +5,8 @@
 import pytest
 
 from prepare_gitbook_site import (
-    _inject_version_badge,
+    _apply_version_badge,
+    _render_version_badge,
     command_nav_entries,
     command_title,
     render_summary_commands,
@@ -61,37 +62,32 @@ def test_missing_markers_raises(self) -> None:
             render_summary_commands("no markers here\n", ["* [x](commands/x.md)"])
 
 
-class TestInjectVersionBadge:
-    def test_inserts_after_heading_with_blank_line(self) -> None:
-        content = "# Title\n\nBody text"
-        result = _inject_version_badge(content, "1.2.3")
-        expected = (
-            '# Title\n\n{% hint style="info" icon="tag" %}\n'
-            "Version: 1.2.3\n{% endhint %}\n\nBody text"
+class TestRenderVersionBadge:
+    def test_leads_with_mcpd_version(self) -> None:
+        assert _render_version_badge("v0.1.0", "v0.5.0") == (
+            '{% hint style="info" icon="tag" %}\n'
+            "mcpd v0.5.0 (docs v0.1.0)\n"
+            "{% endhint %}"
         )
-        assert result == expected
-
-    def test_no_heading_returns_unchanged(self) -> None:
-        content = "No heading here"
-        assert _inject_version_badge(content, "1.0.0") == content
-
-    def test_only_first_heading_is_modified(self) -> None:
-        content = "# First\n\nText\n\n# Second\n\nMore text"
-        result = _inject_version_badge(content, "2.0.0")
-        assert result.count("Version: ") == 1
-
-    def test_heading_inside_code_fence_is_skipped(self) -> None:
-        content = "```\n# Not a heading\n```\n\n# Real heading\n\nBody"
-        result = _inject_version_badge(content, "1.0.0")
-        assert "Version: 1.0.0" in result
-        assert result.index("Version: 1.0.0") > result.index("# Real heading")
-
-    def test_heading_inside_indented_code_fence_is_skipped(self) -> None:
-        content = "    ```\n# Not a heading\n    ```\n\n# Real heading\n\nBody"
-        result = _inject_version_badge(content, "1.0.0")
-        assert "Version: 1.0.0" in result
-        assert result.index("Version: 1.0.0") > result.index("# Real heading")
-
-    def test_includes_mcpd_version_when_provided(self) -> None:
-        result = _inject_version_badge("# Title\n\nBody", "v1.2.3", "v0.4.0")
-        assert "Version: v1.2.3 (documents mcpd v0.4.0)" in result
+
+    def test_docs_only_when_no_mcpd_version(self) -> None:
+        assert _render_version_badge("v0.1.0", "") == (
+            '{% hint style="info" icon="tag" %}\n'
+            "docs v0.1.0\n"
+            "{% endhint %}"
+        )
+
+
+class TestApplyVersionBadge:
+    def test_replaces_marker_in_place(self) -> None:
+        content = "# mcpd\n\n> tagline\n\n<!-- version-badge -->\n\n---\n"
+        assert _apply_version_badge(content, "v0.1.0", "v0.5.0") == (
+            "# mcpd\n\n> tagline\n\n"
+            '{% hint style="info" icon="tag" %}\n'
+            "mcpd v0.5.0 (docs v0.1.0)\n"
+            "{% endhint %}\n\n---\n"
+        )
+
+    def test_raises_when_marker_missing(self) -> None:
+        with pytest.raises(ValueError):
+            _apply_version_badge("# mcpd\n\nno marker here\n", "v0.1.0", "v0.5.0")