feat: added a twist

backend/graph.py

@@ -10,8 +10,8 @@ router = APIRouter()
 SOURCES_DIR = Path(os.environ.get("SOURCES_DIR", "/data/sources"))
 PAGES_DIR = Path(os.environ.get("PAGES_DIR", "/data/pages"))
 
-# Matches markdown links: [text](slug) where slug has no protocol or path separators
-_INTERNAL_LINK = re.compile(r"\[([^\]]+)\]\(([a-zA-Z0-9_-]+)\)")
+# Matches Micron links: [label`slug] or [label`slug.mu]
+_INTERNAL_LINK = re.compile(r'\[([^`\]]+)`([a-zA-Z0-9_-]+)(?:\.mu)?\]')
 
 
 class GraphNode(BaseModel):
@@ -38,16 +38,16 @@ def _all_page_names() -> set[str]:
                 names.add(f.stem)
     if SOURCES_DIR.is_dir():
         for f in SOURCES_DIR.iterdir():
-            if f.suffix == ".md" and f.is_file():
+            if f.suffix == ".mu" and f.is_file():
                 names.add(f.stem)
     return names
 
 
-def _extract_title(markdown: str) -> str | None:
-    for line in markdown.splitlines():
+def _extract_title(micron: str) -> str | None:
+    for line in micron.splitlines():
         stripped = line.strip()
-        if stripped.startswith("# "):
-            return stripped[2:].strip()
+        if stripped.startswith(">") and not stripped.startswith(">>"):
+            return stripped[1:].strip()
     return None
 
 
@@ -58,15 +58,14 @@ async def get_graph():
     edges: list[GraphEdge] = []
 
     for name in sorted(all_names):
-        md_path = SOURCES_DIR / f"{name}.md"
+        src_path = SOURCES_DIR / f"{name}.mu"
         mu_path = PAGES_DIR / f"{name}.mu"
 
         title = None
-        if md_path.is_file():
-            content = md_path.read_text(encoding="utf-8")
+        if src_path.is_file():
+            content = src_path.read_text(encoding="utf-8")
             title = _extract_title(content)
 
-            # Parse internal links
             for match in _INTERNAL_LINK.finditer(content):
                 target = match.group(2)
                 if target in all_names: