fix: quote [str]? schema types so YAML parser doesn't interpret as list

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: kingpanther13

homeassistant-addon-dev/config.yaml

@@ -30,8 +30,8 @@ schema:
   enable_skills: bool?
   enable_skills_as_tools: bool?
   enable_tool_search: bool?
-  disabled_tools: [str]?
-  pinned_tools: [str]?
+  disabled_tools: "[str]?"
+  pinned_tools: "[str]?"
   tool_search_max_results: "int(2,10)?"
 ports:
   9583/tcp: 9583

homeassistant-addon/config.yaml

@@ -36,8 +36,8 @@ schema:
   enable_skills: bool?
   enable_skills_as_tools: bool?
   enable_tool_search: bool?
-  disabled_tools: [str]?
-  pinned_tools: [str]?
+  disabled_tools: "[str]?"
+  pinned_tools: "[str]?"
   tool_search_max_results: "int(2,10)?"
 # Add-on exposes HTTP port for MCP communication (fixed internal port)
 ports: