fix(publicenv): redact runtime host data

apps/api/src/services/public_redaction.py

@@ -0,0 +1,66 @@
+"""
+Public response redaction helpers.
+
+These helpers preserve committed evidence semantics while preventing internal
+LAN topology from being returned to browser-facing API responses.
+"""
+
+from __future__ import annotations
+
+import re
+from typing import Any
+
+_ENDPOINT_ALIASES = {
+    "192.168.0.110:3001": "host:public-gateway/gitea",
+    "192.168.0.110:3002": "host:public-gateway/grafana",
+    "192.168.0.110:3100": "host:public-gateway/langfuse",
+    "192.168.0.110:5000": "host:public-gateway/registry",
+    "192.168.0.110:9000": "host:public-gateway/sentry",
+    "192.168.0.112:8080": "host:kali-readonly/scanner",
+    "192.168.0.188:11434": "host:observability-a/ollama",
+    "192.168.0.188:8088": "host:observability-a/openclaw-legacy",
+    "192.168.0.188:8089": "host:observability-a/openclaw",
+    "192.168.0.188:3301": "host:observability-a/signoz",
+    "192.168.0.188:5432": "host:observability-a/postgres",
+    "192.168.0.188:6380": "host:observability-a/redis",
+}
+
+_HOST_ALIASES = {
+    "192.168.0.110": "host:public-gateway",
+    "192.168.0.111": "host:dev-111",
+    "192.168.0.112": "host:kali-112",
+    "192.168.0.120": "host:k3s-control-a",
+    "192.168.0.121": "host:k3s-control-b",
+    "192.168.0.125": "host:edge-vip",
+    "192.168.0.168": "host:dev-168",
+    "192.168.0.188": "host:observability-a",
+}
+
+_PRIVATE_LAN_RE = re.compile(r"192\.168\.0\.\d{1,3}(?::\d{1,5})?")
+
+
+def redact_public_lan_text(value: str) -> str:
+    """Replace internal LAN addresses with public-safe asset aliases."""
+    redacted = value
+    for endpoint, alias in _ENDPOINT_ALIASES.items():
+        redacted = redacted.replace(f"http://{endpoint}", alias)
+        redacted = redacted.replace(f"https://{endpoint}", alias)
+        redacted = redacted.replace(endpoint, alias)
+
+    for host, alias in _HOST_ALIASES.items():
+        redacted = redacted.replace(f"http://{host}", alias)
+        redacted = redacted.replace(f"https://{host}", alias)
+        redacted = redacted.replace(host, alias)
+
+    return _PRIVATE_LAN_RE.sub("host:internal-node", redacted)
+
+
+def redact_public_lan_topology(value: Any) -> Any:
+    """Recursively redact internal LAN topology from JSON-compatible values."""
+    if isinstance(value, str):
+        return redact_public_lan_text(value)
+    if isinstance(value, list):
+        return [redact_public_lan_topology(item) for item in value]
+    if isinstance(value, dict):
+        return {key: redact_public_lan_topology(nested) for key, nested in value.items()}
+    return value