Add /api/log endpoint and WikiLog page; update site submodule

edit/server.py

@@ -231,6 +231,23 @@ app.add_middleware(
 
 # ── Auth endpoints ────────────────────────────────────────────────────────────
 
+@app.get("/api/log")
+async def get_wiki_log(user: User = Depends(require_auth)) -> JSONResponse:
+    env = _git_env()
+    proc = await asyncio.create_subprocess_exec(
+        "git", "log", "--format=%h|%ar|%aN|%s", "-n", "50", "--", "pages/", "blog/",
+        cwd=str(_ROOT), env=env,
+        stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.DEVNULL,
+    )
+    stdout, _ = await proc.communicate()
+    entries = []
+    for line in stdout.decode().strip().splitlines():
+        parts = line.split("|", 3)
+        if len(parts) == 4:
+            entries.append({"hash": parts[0], "date": parts[1], "author": parts[2], "message": parts[3]})
+    return JSONResponse({"log": entries})
+
+
 @app.get("/api/me")
 async def me(user: User = Depends(require_auth)) -> JSONResponse:
     return JSONResponse({