Link agent operator guide from README and operator contract

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Zac

README.md

@@ -481,6 +481,8 @@ vacuum /data/models | hash | fingerprint --fp argus-model.v1
 
 ## Agent integration
 
+For the full toolchain guide, see the [Agent Operator Guide](https://github.com/cmdrvl/.github/blob/main/profile/AGENT_PROMPT.md).
+
 ```bash
 # Self-describing contract
 fingerprint --describe | jq '.refusals[] | select(.action == "retry_with_flag")'

operator.json

@@ -5,6 +5,7 @@
   "description": "Tests artifacts against fingerprint definitions and produces content hashes",
   "repository": "https://github.com/cmdrvl/fingerprint",
   "license": "MIT",
+  "agent_guide": "https://github.com/cmdrvl/.github/blob/main/profile/AGENT_PROMPT.md",
 
   "invocation": {
     "binary": "fingerprint",