Implement Monlet MVP stack and UI updates

server/monlet_server/redaction.py

@@ -0,0 +1,26 @@
+import re
+
+_PATTERNS: list[tuple[re.Pattern[str], object]] = [
+    (
+        re.compile(r"(?i)(authorization|set-cookie|cookie)([\"'=:]+\s*)([^\r\n]+)"),
+        lambda m: f"{m.group(1)}{m.group(2)}***",
+    ),
+    (
+        re.compile(r"(?i)(token|secret|password|api[_-]?key|credential)([\"'=:]+\s*)([^\s\"',;]+)"),
+        lambda m: f"{m.group(1)}{m.group(2)}***",
+    ),
+    (re.compile(r"(?i)(bearer)\s+\S+"), r"\1 ***"),
+]
+
+
+def redact(value: str | None) -> str | None:
+    if value is None:
+        return None
+    out = value
+    for pat, repl in _PATTERNS:
+        out = pat.sub(repl, out)
+    return out
+
+
+def redact_dict(d: dict) -> dict:
+    return {k: redact(v) if isinstance(v, str) else v for k, v in d.items()}