fix(rlm): comment out fcctl-core optional path dep restoring workspace resolution Refs #3042

The fcctl-core crate is in a private firecracker-rust repo that doesn't
exist on macOS or CI machines. Even as an optional dependency, Cargo v2
resolver fails at manifest load time when the path doesn't exist,
blocking all workspace commands (cargo test/clippy/fmt/build).

Workspace check: 0.44s. All tests pass except 1 pre-existing failure in
terraphim_workspace::tests::path_inside_root_is_accepted (unrelated).

Prerequisite for #1899 memory lifecycle implementation.

Author: Test User

crates/terraphim_rlm/Cargo.toml

@@ -40,7 +40,7 @@ terraphim_mcp_search = { version = "0.1.0", registry = "terraphim", optional = t
 # Firecracker-rust core for VM and snapshot management (private repo).
 # Uncomment when building with --features firecracker on a machine with
 # access to the private firecracker-rust repository.
-fcctl-core = { path = "/home/alex/projects/terraphim/firecracker-rust/fcctl-core", optional = true }
+# fcctl-core = { path = "/home/alex/projects/terraphim/firecracker-rust/fcctl-core", optional = true }
 terraphim-firecracker = { path = "../../terraphim_firecracker", optional = true, package = "terraphim-firecracker" }
 
 # Async utilities
@@ -86,7 +86,7 @@ kg-validation = ["dep:terraphim_automata", "dep:terraphim_types", "dep:terraphim
 supervision = ["dep:terraphim_agent_supervisor"]
 llm-bridge = ["dep:hyper", "dep:hyper-util"]
 docker-backend = ["dep:bollard"]
-firecracker = ["dep:fcctl-core", "dep:terraphim-firecracker"]
+firecracker = ["dep:terraphim-firecracker"]
 e2b-backend = ["dep:reqwest"]
 mcp = ["dep:rmcp", "dep:terraphim_mcp_search", "dep:terraphim_types"]
 cli = ["dep:clap", "dep:env_logger"]