feat: register supervisor MCP server and add task targets

.context/mcp.json

@@ -3,6 +3,10 @@
     "knowledge": {
       "url": "http://localhost:3100/mcp",
       "description": "Project knowledge base — vector + graph retrieval"
+    },
+    "supervisor": {
+      "url": "http://localhost:3200/mcp",
+      "description": "Skill workers — TDD (red/green/refactor), more coming"
     }
   }
 }

Taskfile.yml

@@ -55,3 +55,21 @@ tasks:
     desc: Initialize a new project from this template
     cmds:
       - bash scripts/init.sh
+
+  supervisor:dev:
+    desc: Run supervisor MCP server (development)
+    cmds:
+      - go run ./cmd/supervisor
+
+  supervisor:build:
+    desc: Build supervisor binary
+    cmds:
+      - go build -o bin/supervisor ./cmd/supervisor
+
+  supervisor:test:smoke:
+    desc: Smoke test supervisor via MCP (requires supervisor:dev running)
+    cmds:
+      - |
+        curl -s -X POST http://localhost:${SUPERVISOR_PORT:-3200}/mcp \
+          -H "Content-Type: application/json" \
+          -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}' | jq .