docs(vision): package READMEs, Model Experience, and the capability Agent Note

Document the four image-recognition packages and the vision group, register
the vision domain in the package index, add the capability decision as an
Agent Note, declare the invariants peer dep, and drop the unused agents
injection from the consumer.

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

packages/vision/tool-image-recognition/package.json

@@ -31,6 +31,9 @@
     "lib/types/**/*.d.ts"
   ],
   "license": "MIT",
+  "peerDependencies": {
+    "@deepseek-ai/dsh-invariants": "workspace:^"
+  },
   "dependencies": {
     "@deepseek-ai/schemastery": "workspace:^"
   },