feat(control): expose external-change actions

src/mcp.rs

@@ -29,7 +29,7 @@ const MODERN_PROTOCOL_VERSION: &str = "2026-07-28";
 /// changes, so schema drift (new params, renamed tools) is always a conscious,
 /// reviewed edit — and clients can detect a stale bridge by comparing digests.
 #[cfg(test)]
-const TOOL_SCHEMA_DIGEST: &str = "8dc370c3e4bde86a3c2f6be8488dd1ed318850303326b00e2c28e8c033006472";
+const TOOL_SCHEMA_DIGEST: &str = "e7bd01696f57143d7139aeb75d53389450b1102b603f2ba4ace8122cc692070e";
 const MAX_REQUEST: usize = 1_048_576;
 const MAX_RESPONSE: u64 = 16 * 1024 * 1024;
 const CACHE_TTL_MS: u64 = 3_600_000;