docs+skills: add main UI/UX visual-truth PRD and skill links

.agents/skills/rlm-mem/brain/scripts/memory_safety.py

@@ -0,0 +1,40 @@
+"""
+Redaction and data-boundary policy helpers for layered memory.
+"""
+
+import re
+
+from .memory_policy import MemoryPolicy
+
+
+DEFAULT_REDACTION_RULES = ["api_key", "token", "password", "secret", "private_key"]
+_VALUE_PATTERN = r"([^\s,;]+)"
+
+
+def should_allow_layer_write(layer: str, policy: MemoryPolicy) -> bool:
+    if layer.startswith("user_") and not policy.allow_user_global_write:
+        return False
+    return True
+
+
+def apply_redaction_rules(text: str, rules: list[str]) -> str:
+    effective_rules = rules or DEFAULT_REDACTION_RULES
+    redacted = text
+    for rule in effective_rules:
+        escaped = re.escape(rule)
+        patterns = [
+            rf"({escaped}\s*[:=]\s*){_VALUE_PATTERN}",
+            rf"({escaped}\s+){_VALUE_PATTERN}",
+        ]
+        for pattern in patterns:
+            redacted = re.sub(
+                pattern,
+                r"\1[REDACTED]",
+                redacted,
+                flags=re.IGNORECASE,
+            )
+    return redacted
+
+
+def is_record_visible_to_project(record_project_id: str, active_project_id: str) -> bool:
+    return record_project_id == active_project_id