generalize presets into mosaic profiles with runtime overlays

runtime/claude/settings-overlays/jarvis-ralph.json

@@ -0,0 +1,52 @@
+{
+  "_comment": "Claude runtime overlay managed by Mosaic. Merge into ~/.claude/settings.json as needed.",
+  
+  "model": "opus",
+  
+  "additionalAllowedCommands": [
+    "ralph",
+    "./ralph.sh",
+    "scripts/ralph/ralph.sh",
+    "alembic",
+    "alembic upgrade",
+    "alembic downgrade", 
+    "alembic revision",
+    "alembic history",
+    "uvicorn",
+    "fastapi",
+    "ruff",
+    "ruff check",
+    "ruff format",
+    "black",
+    "isort",
+    "httpx"
+  ],
+  
+  "projectConfigs": {
+    "jarvis": {
+      "path": "~/src/jarvis",
+      "model": "opus",
+      "skills": ["jarvis", "ralph", "prd"],
+      "guides": ["backend", "frontend", "authentication"],
+      "env": {
+        "PYTHONPATH": "packages/plugins"
+      }
+    }
+  },
+  
+  "presets": {
+    "jarvis-ralph": {
+      "description": "Ralph autonomous development for Jarvis",
+      "model": "opus",
+      "skills": ["jarvis", "ralph"],
+      "systemPrompt": "You are an autonomous coding agent following the Ralph pattern. Focus on one story at a time, run quality checks, and commit only when passing."
+    },
+    "jarvis-review": {
+      "description": "Code review mode for Jarvis PRs",
+      "model": "opus",
+      "skills": ["jarvis"],
+      "guides": ["code-review"],
+      "systemPrompt": "Review code changes for quality, security, and adherence to Jarvis patterns."
+    }
+  }
+}