pub const HARNESS_MCP_AUDIENCE: &str = "gate4agent-harness-mcp-read-v1";Expand description
Credential audience for harness MCP read grants.
Wire string kept gate4agent-harness-mcp-read-v1 until §11.4 wave E
(digest/audience cutover). Deferred alias: hatchery-harness-mcp-read-v1.
Do not rename alone — invalidates issued credentials.