v0.11.0

Added

• edit_memory tool — replaces the content of an existing long-term memory note by id (re-embedding it when semantic search is configured), so the agent can correct a stored fact or preference in place instead of forget-ing and remember-ing it. Registered alongside remember / search_memory / forget behind the rag feature.
• [mcp_servers.<name>].headers — custom HTTP headers (e.g. Authorization = "Bearer <token>") sent with every request to a Streamable HTTP MCP server. Rejected over a plain http:// URL, same as a provider API key. McpServerConfig gains a headers: HashMap<String, String> field.