feat(#2569): migrate matrix producer to the in-agent todo socket (unread + invites); drop dead mcp.sock/wake plumbing

hive-matrix-mcp/src/paths.rs

@@ -72,22 +72,3 @@ pub fn accounts_file() -> PathBuf {
     let state_dir = std::env::var("HYPERHIVE_STATE_DIR").unwrap_or_default();
     PathBuf::from(format!("{state_dir}/matrix-accounts.json"))
 }
-
-/// Hyperhive control socket — the daemon writes wake signals here so
-/// the harness drives a new claude turn on incoming matrix events.
-/// Mirrors the path `forge_notify` writes to.
-#[must_use]
-pub fn hyperhive_socket() -> PathBuf {
-    std::env::var_os("HIVE_CONTROL_SOCKET")
-        .map_or_else(|| PathBuf::from("/run/hive/mcp.sock"), PathBuf::from)
-}
-
-/// Directory where MCP daemons write loose-end summary files for the harness.
-/// Each daemon writes `<name>.json` here; the harness scans the dir in
-/// `get_loose_ends` to surface active work from all MCPs generically.
-/// Resolution lives in `hive_sh4re::paths` so the harness + every MCP
-/// daemon agree on the location.
-#[must_use]
-pub fn mcp_loose_ends_dir() -> PathBuf {
-    hive_sh4re::paths::mcp_loose_ends_dir()
-}