fix logger and env vars config section saving

use escaped periods in keys to retain them in the config file (eg "frigate.embeddings")

frigate/util/builtin.py

@@ -195,7 +195,8 @@ def flatten_config_data(
 ) -> Dict[str, Any]:
     items = []
     for key, value in config_data.items():
-        new_key = f"{parent_key}.{key}" if parent_key else key
+        escaped_key = escape_config_key_segment(str(key))
+        new_key = f"{parent_key}.{escaped_key}" if parent_key else escaped_key
         if isinstance(value, dict):
             items.extend(flatten_config_data(value, new_key).items())
         else:
@@ -203,6 +204,41 @@ def flatten_config_data(
     return dict(items)
 
 
+def escape_config_key_segment(segment: str) -> str:
+    """Escape dots and backslashes so they can be treated as literal key chars."""
+    return segment.replace("\\", "\\\\").replace(".", "\\.")
+
+
+def split_config_key_path(key_path_str: str) -> list[str]:
+    """Split a dotted config path, honoring \\. as a literal dot in a key."""
+    parts: list[str] = []
+    current: list[str] = []
+    escaped = False
+
+    for char in key_path_str:
+        if escaped:
+            current.append(char)
+            escaped = False
+            continue
+
+        if char == "\\":
+            escaped = True
+            continue
+
+        if char == ".":
+            parts.append("".join(current))
+            current = []
+            continue
+
+        current.append(char)
+
+    if escaped:
+        current.append("\\")
+
+    parts.append("".join(current))
+    return parts
+
+
 def update_yaml_file_bulk(file_path: str, updates: Dict[str, Any]):
     yaml = YAML()
     yaml.indent(mapping=2, sequence=4, offset=2)
@@ -218,7 +254,7 @@ def update_yaml_file_bulk(file_path: str, updates: Dict[str, Any]):
 
     # Apply all updates
     for key_path_str, new_value in updates.items():
-        key_path = key_path_str.split(".")
+        key_path = split_config_key_path(key_path_str)
         for i in range(len(key_path)):
             try:
                 index = int(key_path[i])

web/src/components/config-form/sections/section-special-cases.ts

@@ -9,7 +9,7 @@
 import { RJSFSchema } from "@rjsf/utils";
 import { applySchemaDefaults } from "@/lib/config-schema";
 import { isJsonObject } from "@/lib/utils";
-import { JsonObject } from "@/types/configForm";
+import { JsonObject, JsonValue } from "@/types/configForm";
 
 /**
  * Sections that require special handling at the global level.
@@ -146,6 +146,22 @@ export function sanitizeOverridesForSection(
     };
   }
 
+  const flattenRecordWithDots = (
+    value: JsonObject,
+    prefix: string = "",
+  ): JsonObject => {
+    const flattened: JsonObject = {};
+    Object.entries(value).forEach(([key, entry]) => {
+      const nextKey = prefix ? `${prefix}.${key}` : key;
+      if (isJsonObject(entry)) {
+        Object.assign(flattened, flattenRecordWithDots(entry, nextKey));
+      } else {
+        flattened[nextKey] = entry as JsonValue;
+      }
+    });
+    return flattened;
+  };
+
   // detectors: Strip readonly model fields that are generated on startup
   // and should never be persisted back to the config file.
   if (sectionPath === "detectors") {
@@ -167,5 +183,21 @@ export function sanitizeOverridesForSection(
     return cleaned;
   }
 
+  if (sectionPath === "logger") {
+    const overridesObj = overrides as JsonObject;
+    const logs = overridesObj.logs;
+    if (isJsonObject(logs)) {
+      return {
+        ...overridesObj,
+        logs: flattenRecordWithDots(logs),
+      };
+    }
+  }
+
+  if (sectionPath === "environment_vars") {
+    const overridesObj = overrides as JsonObject;
+    return flattenRecordWithDots(overridesObj);
+  }
+
   return overrides;
 }